Exclusive stripper
(Accessory)
10 mm
0.394 in
67mm
(2.638 in)
31.5 mm
(1.240 in)
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
386
SU-7SERIES SHSERIES
Slim Body Automatic Sensitivity Setting Photoelectric Sensor
Conforming to EMC Directive
In combination with sensor
heads SH-3
(
(
Self-diagnosis
Diagnosis
Test input
PNP output
type available
Timer
External sync.
Interference
prevention
Automatic sensitivity
setting
Simple and suitable
for compact design
Simple automatic sensitivity setting
Anyone can achieve the optimum sen-
sitivity by just pressing two buttons.
Quick wire connection
A snap of the lever secures the connection of the sensor head cables on the SU-7
amplifier. It is no longer required to strip the wire insulation. Further, the exclusive
stripper (accessory) can be used to easily peel off the sensor cable outer sheath.
Thickness: 10 mm 0.394 in
Installation space can be greatly
reduced as the SU-7 amplifier is just
10 mm 0.394 in thick.
Nine advanced functions for versatile sensing
1Limit sensitivity setting
Sensitivity for detection of minute
differences can be set by the press of
one button without an object being
present.
2Sensitivity shift
The set threshold level can be shifted from
the center towards either ON or OFF level.
3
Remote sensitivity selection
The amplifier stores four channels of
sensitivities. They can be selected by
the remote inputs.
4Remote sensitivity setting
The sensitivity can be adjusted from a
remote place.
5External synchronization
The timing for sensing can be spec-
ified by an external input.
SU-75
SU-77
SU-79
All models
All models
6Test input (emission halt)
Convenient for start-up inspection.
7Sensitivity margin indication
The number of blinks of the stability
indicator indicates the degree of
sensitivity margin.
8ON-delay / OFF-delay timer
The timer can be selected for either
ON-delay or OFF-delay of 0 to 5 sec.
9Interference prevention
Two sensor heads can be mounted close together.
Refer to ‘PRECAUTIONS FOR PROPER
USE’ on p.396lfor further details.
All models
SU-7JSU-79SU-77SU-7
All models
SU-75
1Aligning with the mark to be detected,
press the ‘ON’ button. 1
Strip the cable sheaths
with the exclusive stripper.
2Insert the wires into the
holes. 3Flip up and lock the lever.
2Aligning with the background, press the
‘OFF’ button.
Caution: The outer fluorine sheath of the chemical resistant type sensor head, SH-61R, cannot be cut off
with the dedicated stripper.
Amplifier-separated
Light intensity
monitor
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
387
APPLICATIONS
Determining position of lead frame Identifying top face from bottom
face of chip components Detecting red mark on white paper
Detecting transparent glass substrates
in cassette
Detecting IC height Detecting wafer cassette in quartz
tank containing cleaning liquid
SH-84R
SH-82R
SH-82G
SH-72
Cassette
Transparent
glass substrate
SH-33R
SH-61R
Line-focus type / SH-84R
•
Suitable for detecting
printed characters
•
It can be used to
detect printed char-
acters because of its
line shaped projected
area of 14 mm
0.0390.157 in.
•
Strong against
position deviation
•
Since it makes a judg-
ment based upon the
total light incident on the
sensing area, it is not
easily affected by a
deviation in sensing
object position.
Pinpoint type with red LED beam / SH-82R
•Suitable for tiny
object sensing
Pinpoint type with green LED beam / SH-82G
Glass substrate detection type / SH-72
Ultra-slim type / SH-2Ultra-small type / SH-3
Chemical resistant type / SH-61R
•Red / white color
discrimination
•
Discrimination between
red / white, red / yellow or
red / orange, which is
difficult with the red LED
type, is easy with SH-82G.
Spot size
14 mm
0.0390.157 in
(e.g.) Detecting polarity marks
on capacitors
"0. 7 mm
"0.028 in
Chip
component
Spot diameter
"0.7 mm "0.028 in
•
Spot diameter: "0.7 mm "0.028 in
•
Top / bottom face of a chip component
can be easily discriminated.
•Strong against
chemicals
Spot diameter
"1 mm
"0.039 in
Since the sensor
heads and the atta-
ched cables are cov-
ered by fluorine resin,
SH-61R can be used
in a harsh chemical
environment.
Moreover, it has a
long sensing range of
2.5 m 8.202 ft.
•
Compact size: 0.3cm
3
Thickness: 3 mm 0.118 in
•
Versatile mounting
Diffuse reflective type
sensor head
•Front sensing
Thru-beam type sensor head
•
Front sensing
•
Side sensing
•Sensor head with indicator
•An operation indicator, which enables
an easy check of the operation at
site, has been incorporated.
•2 m 6.562 ft long sensing range
with red LED beam (SH-33R)
•Visible red LED beam makes align-
ment easy.
Operation
indicator
(Red)
•Reliable glass sub-
strate detection
•
Its unique optical system
enables detection of
transparent glass plate,
as well as, specular film
deposited glass plate at
the same distance.
•No dead zone
•
Repeatability: 0.03 mm
0.001 in
•Not affected by
background
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-75
SU-7J ————
SU-75 ———
SU-77 ———
SU-79 ———
SU-7P ————
Standard type
Plug-in connector type
External synchro-
nization input type
Remote sensitivity
adjustment type
Remote sensitivity
selection type
Standard type
PNP output
type
NPN output
type
Front sensing Side sensing Front sensing
Thru-beam
Diffuse reflective
Thru-beam
Ultra-slim typeUltra-small type
Chemical resistant type
Mark sensor
Diffuse
reflective
Thru-beam
Convergent reflective
Using optional mounting
bracket MS-SH6-2
PinpointLine-focus
Glass substrate
detection sensor
SU-7/SH
388
ORDER GUIDE
Sensor heads
Amplifiers
Type Appearance Sensing range Model No.
Emitting element
Operation
indicator
300 mm
11.811 in
50 mm
1.969 in
1 m
3.281 ft
100 mm
3.937 in 2 m
6.562 ft
100 mm
3.937 in
2.5 m
8.202 ft
10 to 14 mm 0.394 to 0.551 in (Convergent point: 12 mm
0.472 in) (Spot diameter: "0.7 mm "0.028 in)
5 to 80 mm 0.197 to 3.150 in
(Convergent point: 25 mm 0.984 in)
10 to 14 mm 0.394 to 0.551 in (Convergent point: 12 mm
0.472 in) (Spot diameter: "1 mm "0.039 in)
17 to 23 mm 0.669 to 0.906 in (Convergent point: 20 mm
0.787 in) (Spot size: 14 mm 0.0390.157 in)
0.5 to 7.5 mm 0.020 to 0.295 in
(with transparent glass substrate)
Incorporated
Automatic
sensitivity setting
Sensitivity shift
Limit sensitivity
setting
Remote sensitivity
setting
Remote sensitivity
selection
Sensitivity margin
indication
External
synchronization
Test input
(emission halt)
Timer
Interference
prevention
Functions (: Incorporated)
Type Appearance Model No.
()
Infrared LED
Red LED
Red LED
Red LED
Green LED
Red LED
Infrared LED
SH-21
SH-21E
SH-22
SH-32R
SH-61R
SH-82R
SH-82G
SH-84R
SH-72
SH-31R
SH-31G
Red LED
Green LED
SH-33R
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
389
ORDER GUIDE
Plug-in connector type
It is usable with the sensor & wire-saving link system S-LINK, sensor block for simple wiring SL-BMW or SL-BW, or with connector attached cable CN-54-C2 or
CN-54-C5.
SU-7J
SU-7J
SU-7J
Sensor & wire-saving link system
S-LINK
(Refer to p.1030 l for details.)
Sensor block for simple wiring
SL-BMW, SL-BW
(Refer to p.882 l for details.)
Connector attached cable
CN-54-C2 (2 m 6.562 ft long)
CN-54-C5 (5 m 16.404 ft long)
Accessories
OPTIONS
Slit mask
• OS-SS3
• MS-DIN-2 (Amplifier mounting bracket) • SU-CT1 (Exclusive stripper) • MS-SH6-1
(Sensor head mounting bracket for SH-61R)
Sensor checker
(Note)
Slit size Fitting Sensing range
SH-31R SH-31G SH-33R
Sensor head
mounting bracket
For
SH-61R only
Sensor head
mounting bracket
For the mark-
sensor only
()
MS-DS-1
Mounting bracket for the ultra-small sensor head
(The thru-beam type sensor head needs two brackets)
Mounting bracket for the mark sensor head
The emitter and the receiver are fixed together at an angle for use as
a convergent reflective type sensor.
It is useful for beam alignment of thru-beam type sensors.
The optimum receiver position is given by indicators, as well as an
audio signal.
Designation Model No. Description
Slit mask
For SH-31R,
SH-31G and
SH-33R only
Sensor head
mounting bracket
For the ultra-
small type only
Note: Refer to p.414l for details of the sensor checker CHX-SC2.
()
()
()
OS-SS3
MS-SS3-1
MS-SH6-2
CHX-SC2
This is a convenient slit mask having four types of slits.
Min.
sensing
object
0.53 mm
0.0200.118 in
One side
Both sides
One side
Both sides
500 mm
19.685 in 50 mm
1.969 in 750 mm
29.528 in "3 mm
"0.118 in
250 mm
9.843 in 25 mm
0.984 in 400 mm
15.748 in
0.53 mm
0.0200.118 in
700 mm
27.559 in 70 mm
2.756 in 1,000 mm
39.370 in "3 mm
"0.118 in
500 mm
19.685 in 50 mm
1.969 in 750 mm
29.528 in 13 mm
0.0390.118 in
The sensor head and the slit mask are mounted
together.
Sensor head mounting bracket
•MS-SS3-1 •MS-DS-1
Two M3 (length 12 mm 0.472 in)
screws with washers are
attached.
Two M3 (length 14 mm 0.551 in)
screws with washers are
attached.
•MS-SH6-2
No screw is attached.
Sensor checker
•CHX-SC2
LEVEL
POWER
CHX-SC2
Sensor
checker
13 mm
0.0390.118 in
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
Min. "0.3 mm
"0.012 in
copper wire
with 3 mm 0.118 in
setting distance
and at the max.
sensitivity
SU-7 series
300 mm 11.811 in 1 m 3.281 ft
100 mm 3.937 in
2 m 6.562 ft
0.03 mm 0.001 in or less 0.1 mm 0.004 in or less
Red LED
lights up when the sensing output of the amplifier is ON,
incorporated on the emitter of the thru-beam type sensor head
3 (Industrial environment)
IP62 (IEC) IP66 (IEC)
35 to 85 % RH, Storage: 35 to 85 % RH
Sunlight: 11,000 ?x at the light-receiving face, Incandescent light: 3,500 ?x at the light-receiving face
10 to 55 Hz frequency, 1.5 mm 0.059 in amplitude in X, Y and Z directions for two hours each
500 m/s2acceleration (50 G approx.) in X, Y and Z directions for three times each
Infrared LED (modulated) Red LED Green LED Red LED (modulated)
(modulated) (modulated)
Enclosure: Polycarbonate (glass fiber reinforced) Enclosure: ABS, Lens: Polycarbonate
0.089 mm
2
(ultra-slim type: 0.057 mm
2
) single core (diffuse reflective type: two parallel single core wires) shielded cable, 3 m 9.843 ft long
Extension up to total 5 m 16.404 ft (ultra-small type: 10 m 32.808 ft) is possible with an equivalent cable (thru-beam type: both emitter and receiver).
24 g approx. 20 g approx.
Sensor head mounting screw: 2 sets (SH-22: 1 set)
Min. "1 mm
"0.039 in
opaque object
with 1 m 3.281 ft
setting distance
and at the optimum
sensitivity
(Note 3)
Min. "1 mm
"0.039 in
opaque object
with 100 mm
3.937 in setting
distance and at the
optimum sensitivity
(Note 3)
Ultra-slim type Ultra-small type
Thru-beam Thru-beam
Front sensing Side sensing Red LED Green LED Red LED
SH-21 SH-21E SH-22 SH-31R SH-31G SH-33R SH-32R
Type
Item Model No.
Applicable amplifiers
Sensing range
Sensing object
Hysteresis
Repeatability
(perpendicular to sensing axis)
Operation indicator
Pollution degree
Protection
Ambient temperature
Ambient humidity
Ambient illuminance
Vibration resistance
Shock resistance
Emitting element
Material
Cable
Cable extension
Weight
Accessory
SU-7/SH
390
SPECIFICATIONS
Sensor heads (for general use)
Environmental resistance
Diffuse
reflective Diffuse
reflective
()
Emitter: 12 g approx.
Receiver: 12 g approx. Emitter: 10 g approx.
Receiver: 10 g approx.
10 to60 C 14 to140 F
(No dew condensation or icing allowed)
Storage:20 to70C 4 to158 F
25 to60 C 13 to140 F
(No dew condensation or icing allowed)
Storage:30 to70C 22 to158 F
15 % or less of
operation
distance
15 % or less of
operation
distance
Min. "0.3 mm "0.012 in opaque object
(under the optimum condition)
(Note 2)
Min. "1 mm
"0.039 in
opaque object
with 2 m 6.562 ft
setting distance
and at the optimum
sensitivity
(Note 3)
Opaque,
translucent or
transparent
object
Notes: 1) The sensing range of the diffuse reflective type sensor is specified for white non-glossy paper (5050 mm 1.9691.969 in) as the object.
Notes: 2) The optimum condition is the condition when the sensitivity is adjusted so that the operation indicator just lights up at the given distance in the light
received condition.
Notes: 3) The optimum sensitivity stands for the sensitivity level when the operation indicator just lights up in the light received condition.
50 mm 1.969 in
(Note 1)
100 mm 3.937 in
(Note 1)
0.15 mm 0.006 in
or less
0.5 mm 0.020 in
or less
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
()
SU-7 series
Min. "5 mm "0.197 in
opaque object
Min. "1 mm "0.039 in steel wire
when mounted on optional
mounting bracket (MS-SH6-2) and
used as convergent reflective type
with 25 mm 0.984 in setting distance
and at the max. sensitivity (Note 3)
10 % or less of operation distance 5 % or less of operation
distance
Red LED
(lights up when the sensing output of the amplifier is ON)
IP67 (IEC)
10 to55 C 14 to131 F(No dew condensation or icing allowed),
Storage:20 to70 C 4 to158 F
35 to 85 % RH, Storage: 35 to 85 % RH
Sunlight: 11,000 ?x (SH-61R: 7,000 ?x) at the light-receiving face, Incandescent light: 3,500 ?x (SH-61R: 2,000 ?x) at the light-receiving face
10 to 500 Hz frequency, 3 mm 0.118 in amplitude (SH-72: 10 to 55 Hz frequency, 1.5 mm 0.059 in amplitude) in X, Y and Z directions for two hours each
500 m/s2acceleration (50 G approx.) in X, Y and Z directions for three times each
Red LED (modulated) Green LED (modulated) Red LED (modulated)
Infrared LED (modulated)
Enclosure: Fluorine resin
Enclosure: Polycarbonate, Lens: Acrylic
Enclosure: Polycarbonate
Cable sheath: Fluorine resin
0.089 mm
2
single core, two parallel (SH-61R: 0.089 mm
2
single core) shielded cables, 2 m 6.562 ft long (SH-72: 3 m 9.843 ft long)
Extension up to total 5 m 16.404 ft is possible with an equivalent cable (SH-61R: both emitter and receiver).
20 g approx. 25 g approx.
0.1 mm 0.004 in or less
0.1 mm 0.004 in or less of operation
distance when mounted on optional
mounting bracket (MS-SH6-2) and
used as convergent reflective type.
with 25 mm 0.984 in setting distance
and at the optimum sensitivity (Note 3)
Type
Item Model No.
Chemical resistant type
Mark sensor
Thru-beam Pinpoint Line-focus
Red LED Green LED
SH-61R SH-82R SH-82G SH-84R SH-72
Glass substrate
detection sensor
Applicable amplifiers
Sensing range
Sensing object
Hysteresis
Repeatability
(perpendicular to sensing axis)
Operation indicator
Protection
Ambient temperature
Ambient humidity
Ambient illuminance
Vibration resistance
Shock resistance
Emitting element
Material
Cable
Cable extension
Weight
Accessory
Environmental resistance
Emitter: 15 g approx.
Receiver: 15 g approx.
MS-SH6-1(Sensor head
mounting bracket): 2 pcs.
10 to 14 mm 0.394 to 0.551 in
(Convergent point: 12 mm 0.472 in)
(Spot diameter: "0.7 mm "0.028 in)
(Note 1)
15 % or less of operation distance
when mounted on optional mount-
ing bracket (MS-SH6-2) and used
as convergent reflective type.
2.5 m 8.202 ft
5 to 80 mm 0.197 to 3.150 in when
mounted on optional mounting
bracket (MS-SH6-2) and used as
convergent reflective type
(Conv. point: 25 mm 0.984 in) (Note 2)
Min. 0.07 mm 0.003 in
width black line on
white paper
with 12 mm 0.472 in
setting distance and at
the optimum sensitivity
(Note 3)
Min. 0.2 mm 0.008 in
width black line on
white paper
with 12 mm 0.472 in
setting distance and at
the optimum sensitivity
(Note 3)
Min. 0.07 mm 0.003 in
width black line on white
paper (Note 4)
with 20 mm 0.787 in
setting distance and at
the optimum sensitivity
(Note 3)
24 mm 0.945 in or
more transparent glass,
aluminum-evaporated
mirror, etc.
10 to 14 mm 0.394 to 0.551 in
(Convergent point: 12 mm 0.472 in)
(Spot diameter: "1 mm "0.039 mm)
(Note 1)
17 to 23 mm 0.669 to 0.906 in
(Convergent point: 20 mm 0.787 in)
(Spot size: 14 mm 0.0390.157 in)
(Note 1)
0.5 to 7.5 mm 0.020 to 0.295 in
with transparent
glass plate
10 to60 C 14 to140 F
No dew condensation
or icing allowed
Storage:10 to60
C
14 to140 F
SU-7/SH
391
SPECIFICATIONS
Sensor heads (for special use)
()
()()()
Notes: 1) The sensing range of the mark sensor is specified for white non-glossy paper (5050 mm 1.9691.969 in) as the object.
Notes:2)
The sensing range for the chemical resistant type sensor used in the convergent reflective mode is specified for white non-glossy paper (150150 mm
5.9065.906 in
) as the object.
Notes: 3) The optimum sensitivity stands for the sensitivity level when the operation indicator just lights up in the light received condition.
Notes: 4) The minimum sensing object for SH-84R is specified for the case when the sensor detects a black line with respect to the spot as shown below.
Notes: 5)
The repeatability for SH-84R is specified for the case when the sensing object approaches the spot sideways as shown below (0.12 mm
0.005 in
if it
approaches from above or below).
Spot
Black line
Spot
Sensing
object
()
()
0.02 mm
0.0008 in
or less
0.03 mm
0.001 in
or less
0.03 mm
0.001 in
or less
(Note 5)
0.03 mm
0.001 in
or less
(along sensing axis)
Orange LED
lights up when the sensing
output of the amplifier is ON,
incorporated on the emitter
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
392
SPECIFICATIONS
Amplifiers
Applicable sensor heads
Supply voltage
Current consumption
Sensing output
Utilization category
Output operation
Short-circuit protection
Self-diagnosis output
Output operation
Short-circuit protection
Response time
Operation indicator
Stability indicator
Test input (emission halt) function
External synchronization function
Remote sensitivity setting function
Remote sensitivity selection
function
Sensitivity shift & limit
sensitivity setting functions
Interference prevention function
Timer function
Pollution degree
Ambient temperature
Ambient humidity
EMC
Voltage withstandability
Insulation resistance
Vibration resistance
Shock resistance
Material
Cable
Cable extension
Weight
Accessories
NPN output type PNP output type
Standard type Standard type
SU-7 SU-75 SU-77 SU-79 SU-7P
Remote sensitivity
setting type
External synchroniza-
tion input type Remote sensitivity
selection type
Type
Item Model No.
Environmental resistance
SH series
12 to 24 V DC10 % Ripple P-P 10 % or less
35 mA or less
NPN open-collector transistor
•Maximum sink current: 100 mA
•Applied voltage: 30 V DC or less (between sensing output and 0 V)
•Residual voltage: 1.0 V or less (at 100 mA sink current)
0.4 V or less (at 16 mA sink current)
PNP open-collector transistor
•
Maximum source current:
100 mA
•Applied voltage:
30 V DC or less
(between sensing output and V)
•Residual voltage:
2.0 V or less
(at 100 mA source current)
1.0 V or less
(at 16 mA source current)
DC-12 or DC-13
Selectable either Light-ON or Dark-ON with the ON and OFF buttons (Selectable with the external inputs for SU-77)
Incorporated
NPN open-collector transistor
•Maximum sink current: 50 mA
•Applied voltage: 30 V DC or less (between self-diagnosis output and 0 V)
•Residual voltage: 1.0 V or less (at 50 mA sink current)
0.4 V or less (at 16 mA sink current)
PNP open-collector transistor
•
Maximum source current:
50 mA
•Applied voltage:
30 V DC or less
(between self-diagnosis output and V)
•Residual voltage:
2.0 V or less
(at 50 mA source current)
1.0 V or less
(at 16 mA source current)
ON under unstable sensing condition (restored automatically after 40 ms approx.), or if the sensing output is short-circuited
(restored when short-circuit is rectified).
(For the remote sensitivity adjustment type, it turns ON for 40 ms approx. also after the remote sensitivity input is received.)
0.6 ms or less (0.8 ms or less when the interference prevention function is used)
Red LED (lights up when the sensing output is ON)
‘RUN’mode: Lights up under stable light received condition or stable dark condition
‘SET’mode : At the time of sensitivity setting, blinks twice when the difference between ON and OFF levels is
greater than the hysteresis, but blinks 15 times when it is equal to or less than the hysteresis.
Also blinks twice after the interference prevention is set
‘SET’mode ➝When ‘SIF’or ‘RUN’mode is selected: Blinks from 0 to 5 times according to the sensitivity margin
Green LED
( )
Incorporated
Incorporated
Incorporated
Either gate or edge
trigger is selectable
Incorporated
Stores four
sensitivities
()
()
Shifts the set sensitivity level
Incorporated
ON-delay / OFF-delay timer
(variable 0 to 5 sec.)
ON-delay / OFF-delay timer (variable 0 to 5 sec.)
3 (Industrial environment)
10 to55 C 14 to131 F(No dew condensation or icing allowed), Storage:20 to70 C 4 to158 F
35 to 85 % RH, Storage: 35 to 85 % RH
EN 50081-2, EN 50082-2, EN 60947-5-2 (in combination with sensor heads SH-3.)
1,000V AC for one min. between all supply terminals connected together and enclosure
20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
10 to 150 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
100 m/s2acceleration (10 G approx.) in X, Y and Z directions for five times each
Enclosure: Heat-resistant ABS, Cover: Polycarbonate, Cable lock lever: PPS
0.15 mm26-core (SU-7 and SU-7P: 0.2 mm24-core) cabtyre cable, 2 m 6.562 ft long
Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable.
65 g approx.
MS-DIN-2 (Amplifier mounting bracket): 1 pc., SU-CT1 (Stripper): 1 pc.
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
393
I/O CIRCUIT AND WIRING DIAGRAMS
SU-7
SU-7J Standard type •NPN output
I/O circuit diagram Wiring diagram
D
ZD2 Tr1
Tr2
100 mA max.
50 mA max.
Color code
Load
ZD1
(Brown)V
(Black)
Sensing output
(Blue) 0 V
Users’ circuitInternal circuit
12 to 24 V DC
10 %
(Orange) Self-diagnosis output
Load
Sensor circuit
Brown
Black
Orange
Blue
Load
Load
12 to 24 V DC
10 %
Symbols ... D: Reverse supply polarity protection diode
ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2: NPN output transistor
SU-75 External synchronization input type
I/O circuit diagram Wiring diagram
ZD2
Tr1
Tr2
100 mA max.
50 mA max.
ZD1
Color code
Sensor circuit
Users’ circuitInternal circuit
(Brown)V
(Pink) External synchronization inpu
t
(Violet) Test input (emission halt)
(Black) Sensing output
(Orange) Self-diagnosis output
(Blue) 0 V
Load
Load
D
5 V
10 kΩ
5 V
10 kΩ
12 to 24 V DC
10 %
Brown
Black
Orange
Blue
Pink
Violet
Load
Load
12 to 24 V DC
10 %
m1
Symbols ... D: Reverse supply polarity protection diode
ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2: NPN output transistor
m1
or
Non-voltage contact or
NPN open-collector transistor
Low: 0 to 1 V
High: 4.5 V to 30 V, or open
Brown
Black
Orange
Blue
Pink
Violet
m1
Load
Load
12 to 24 V DC
10 %
SU-77 Remote sensitivity setting type
I/O circuit diagram Wiring diagram
Prevent wrong setting by
installing a switch to control
effectiveness of setting switch
ZD2
Tr1
Tr2
100 mA max.
50 mA max.
ZD1
Color code
Users’ circuitInternal circuit
(Brown)V
(Black) Sensing output
(Orange) Self-diagnosis output
(Blue) 0 V
Load
Load
D
5 V
5 V
(Pink) Remote sensitivity ON input
(Violet) Remote sensitivity
OFF input
10 kΩ
10 kΩ
12 to 24 V DC
10 %
Sensor circuit
Symbols ... D: Reverse supply polarity protection diode
ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2: NPN output transistor
m1
or
Non-voltage contact or
NPN open-collector transistor
Low: 0 to 1 V
High: 4.5 V to 30 V, or open
SU-79 Remote sensitivity selection type
I/O circuit diagram Wiring diagram
Z
D2
Tr1
Tr2
100 mA max.
50 mA max.
Z
D1
Color code
Sensor circuit
Users’ circuitInternal circuit
(Brown)V
(Pink) Remote sensitivity selection input 1
(Violet) Remote sensitivity
selection input 2
(Black) Sensing output
(Orange) Self-diagnosis output
(Blue) 0 V
D
5 V
10 kΩ
5 V
10 kΩLoad Load
12 to 24 V DC
10 %
Brown
Black
Orange
Blue
Pink
Violet
Load
Load
12 to 24 V DC
10 %
m1
Symbols ... D: Reverse supply polarity protection diode
ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2: NPN output transistor
m1
or
Non-voltage contact or
NPN open-collector transistor
Low: 0 to 1 V
High: 4.5 V to 30 V, or open
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
394
I/O CIRCUIT AND WIRING DIAGRAMS
SU-7P Standard type •PNP output
I/O circuit diagram
SENSING CHARACTERISTICS (TYPICAL)
SH-21
SH-21E Thru-beam type
Parallel deviation Angular deviation
Wiring diagram
D
ZD2
Tr1
Tr2
100 mA max.
50 mA max.
Color code
Load
Load
ZD1
(Brown)V
(Black) Sensing output
(Orange) Self-diagnosis
output
(Blue) 0 V
Users’ circuitInternal circuit
12 to 24 V DC
10 %
Sensor circuit
12 to 24 V DC
10 %
Load
Load
Brown
Black
Orange
Blue
Symbols ... D: Reverse supply polarity protection diode
ZD1, ZD2: Surge absorption zener diode
Tr1, Tr2: PNP output transistor
100
3.937 50
1.969 050
1.969 100
3.937
0
100
3.937
200
7.874
300
11.811
400
15.748
L
Receiver
Left Right
Center
Operating point ?(mm in)
Setting distance L (mm in)
Emitter
100 50 050 100
0
100
3.937
200
7.874
400
15.748
300
11.811
L
Emitter
Receiver
$
Left Right
Center
Operating angle $( ° )
Setting distance L (mm in)
SH-31R Thru-beam type
Parallel deviation Angular deviation
Parallel deviation with slit masks
(0.53 mm 0.0200.118 in)
Parallel deviation with slit masks
(13 mm
0.0390.118 in
)
100
3.937 50
1.969 050
1.969 100
3.937
0
0.5
1.640
1.0
3.281
L
Emitter
Receiver
Left Right
Center
Operating point #(mm in)
Setting distance L (m ft)
10 5 0 5 10
0
0.5
1.640
1.0
3.281
L
$
Receiver
Emitter
Left Right
Center
Operating angle $( ° )
Setting distance L (m ft)
100
3.937 50
1.969 050
1.969 100
3.937
0
200
7.874
400
15.748
600
23.622
800
31.496
L
Receiver
Emitter
Slit on
emitter
Slit on
both sides
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
100
3.937 50
1.969 050
1.969 100
3.937
0
200
7.874
400
15.748
600
23.622
800
31.496
L
Receiver
Emitter
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
Slit on
emitter
Slit on
both sides
SH-31G Thru-beam type
Parallel deviation Angular deviation
Parallel deviation with slit masks
(0.53 mm 0.0200.118 in)
Parallel deviation with slit masks
(13 mm
0.0390.118 in
)
10
0.394 5
0.197 05
0.197 10
0.394
0
50
1.969
100
3.937
L
Receiver
Emitter
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
10 5 0 5 10
0
50
1.969
100
3.937
L
$
Receiver
Emitter
Left Right
Center
Operating angle $( ° )
Setting distance L (mm in)
10
0.394 5
0.197 05
0.197 10
0.394
0
20
0.787
40
1.575
60
2.362
80
3.150
L
Receiver
Emitter
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
Slit on
emitter
Slit on
both sides
10
0.394 5
0.197 05
0.197 10
0.394
0
20
0.787
40
1.575
60
2.362
80
3.150
L
Receiver
Emitter
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
Slit on
emitter
Slit on
both sides
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
395
SENSING CHARACTERISTICS (TYPICAL)
SH-33R Thru-beam type
SH-22
Diffuse
reflective type
SH-32R Diffuse reflective type
Parallel deviation Angular deviation
Parallel deviation with slit masks
(0.53 mm 0.0200.118 in)
Parallel deviation with slit masks
(13 mm
0.0390.118 in
)
Left Right
Center
Operating point ?(mm in)
200
7.874 100
3.937 0 100
3.937 200
7.874
0
1
3.281
2
6.562
L
Emitter
Receiver
Setting distance L (m ft)
20 10 0 10 20
0
1
3.281
2
6.562
L
$
L
$
Emitter
Emitter
Receiver
Receiver
Emitter angular
deviation
Emitter angular
deviation
Receiver angular
deviation
Receiver angular
deviation
Left Right
Center
Operating angle $( ° )
Setting distance L (m ft)
SH-61R Chemical resistant type
Parallel deviation Angular deviation
3
9.843
4
13.123
2
6.562
1
3.281
0
400
15.748 200
7.874 400
15.748
200
7.874
0
CenterLeft Right
Operating point #(mm in)
Receiver
Emitter
L
#
Setting distance L (m ft)
20 10 0 10 20
0
1
3.281
2
6.562
3
9.843
4
13.123
Left Right
Center
Operating angle $( ° )
Setting distance L (m ft)
Receiver
Emitter
$L$
Receiver
Emitter
L
Receiver
angular
deviation
Emitter
angular
deviation
Receiver angular
deviation Emitter angular
deviation
Sensing field with optional mounting bracket (MS-SH6-2)
40
1.575 20
0.787 020
0.787 40
1.575
0
50
1.969
100
3.937
Sensor
head
Horizontal &
vertical directions
White non-
glossy paper
(Down) Left Right (Up)
Center
Operating point ?(mm in)
Setting distance L (mm in)
Vertical
direction
Horizontal
direction
1.0
3.281
0.5
1.640
0
100
3.937 50
1.969 100
3.937
50
1.969
0
CenterLeft Right
Operating point ?(mm in)
Slit on
one side
Slit on
both sides
L
#
Receiver
Emitter
Setting distance L (m in)
1.0
3.281
0.5
1.640
0
100
3.937 50
1.969 100
3.937
50
1.969
0
CenterLeft Right
Operating point #(mm in)
L
#
Receiver
Emitter
Setting distance L (m ft)
Slit on
one side
Slit on
both sides
Sensing field
SH-72
Glass substrate
detection
sensor
Sensing field
SH-82R
Mark sensor Mark sensor Mark sensor
Sensing field
SH-82G
Sensing field
SH-84R
Sensing field
Sensing field Correlation between sensing object size and sensing range
0
5050 mm
1.9691.969 in
White non-glossy paper
L
Sensor
head
10
0.394 5
0.197 10
0.394
5
0.197
0
Left Right
Center
Operating point ?(mm in)
20
0.787
40
1.575
80
3.150
60
2.362
Setting distance L (mm in)
10
0.394 5
0.197 05
0.197 10
0.394
0
50
1.969
100
3.937
L
Sensor
head
5050mm
1.9691.969 in
White non-glossy
paper
Left Right
Center
Operating point #(mm in)
Setting distance L (mm in)
100
3.937
20
0.787 40
1.575 60
2.362 80
3.150
50
1.969
L
aa mm aa in
White
non-glossy paper
White non-glossy paper
side length a (mm in)
Sensor
head
0
Sensing range L (mm in)
As the sensing object size
becomes smaller than the standard
size (white non-glossy paper
5050 mm 1.9691.969 in), the
sensing range shortens, as shown
in the left graph.
For plotting the left graph, the
sensitivity has been set such that
a 5050 mm 1.9691.969 in
white non-glossy paper is just
detectable at a distance of
100 mm 3.937 in.
4
0.157 2
0.079 02
0.079 4
0.157
0
4
0.157
8
0.315
2424 mm
0.9450.945 in
Transparent glass plate
L
Center RightLeft
Sensor
head
Operating point # (mm in)
#
Setting distance L (mm in)
0
5
0.197
10
0.394
15
0.591
20
0.787
1
0.039 0.5
0.020 00.5
0.020 1
0.039
L
#
9 mm
0.354 in
L
#
5050 mm
1.9691.969 in
White non-glossy
paper
5050 mm
1.9691.969 in
White non-glossy paper
(Down) Left Right (Up)
Center
Operating point ?(mm in)
Setting distance L (mm in)
Vertical direction Horizontal
direction
Sensor
head
Sensor
head
Horizontal
direction
Vertical
direction
(Down) Left Right (Up)
Center
Operating point ?(mm in)
0
5
0.197
10
0.394
15
0.591
20
0.787
1
0.039 0.5
0.020 00.5
0.020 1
0.039
L
#
L
#
9 mm
0.354 in
Horizontal
direction
Vertical
direction
5050 mm
1.9691.969 in
White non-glossy
paper
5050 mm
1.9691.969 in
White non-glossy paper
Setting distance L (mm in)
Vertical
direction Horizontal
direction
Sensor
head Sensor
head
0
10
0.394
20
0.787
30
1.181
40
1.575
4
0.157 2
0.079 02
0.079 4
0.157
L
#
L
#
9 mm
0.354 in
Horizontal
direction
Vertical
direction
5050 mm 1.9691.969 in
White non-glossy paper
(Down) Left Right (Up)
Center
Operating point ?(mm in)
Setting distance L (mm in)
Vertical
direction
Horizontal
direction
Sensor
head
Sensor
head
5050 mm
1.9691.969 in
White non-glossy
paper
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
396
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Sensor head
This product is not a safety sensor. Its use is not
intended or designed to protect life and prevent body
injury or property damage from dangerous parts of
machinery. It is a normal object detection sensor.
Always use the sensor head and the exclusive amplifier
together as a set.
Mounting
Ultra-slim type
For ultra-small type, mark sensor & glass substrate detection sensor
•With tapped screws
<Side sensing><Front sensing>
The tightening torque should be 0.14 Nm or less.
•With attached screws and nuts
<Side sensing><Front sensing>
•The tightening torque should be 0.29 Nm or less when
mounting the sensor head with the screws.
Chemical resistant type
•
Use M3 screws to mount the sensor head with the attached
sensor head mounting bracket.
The tightening torque should be 0.14 Nm or less.
Attached
mounting
screws
Sensing
direction
[M2 (length 8 mm
0.315 in)]
M20.4 0.016 holes,
tapped 6 0.236 deep
7.5
0.295
7.5
0.295
M20.4 0.016 holes,
tapped 7 0.276 deep
Sensing
direction
[M2 (length 8 mm
0.315 in)]
Attached
mounting
screws
7.5
0.295
7.5
0.295
Spring washers
Nuts
Plain washers
Attached
mounting
screws Attached
mounting
screws
[M2 (length 8 mm
0.315 in)]
Mounting board thickness:
3 mm 0.118 in or less
Mounting board thickness:
1.5 mm 0.059 in or less
[M2 (length 8 mm
0.315 in)]
M3 (length 12 mm
0.472 in) screws
with washers
Sensor head
mounting bracket
MS-SS3-1
(Optional)
20 mm
0.787 in
M3 screws [Material: Stainless steel (SUS304)]
(Please arrange separately.)
Sensor head mounting bracket
MS-SH6-1 (Accessory)
[Material: Stainless steel (SUS304)]
•Use M4 screws to assemble the sensor head with the
optional sensor head mounting bracket MS-SH6-2, in
order to form the convergent sensing mode.
M4 screws [Material: Stainless steel (SUS304)]
(Please arrange separately.)
Sensor head mounting bracket
MS-SH6-2 (Optional)
[Material: Stainless steel (SUS304)]
Wiring
•Trim the cable ends
The stripper SU-CT1 helps
you to cut the cable and peel
the sheath off the cable.
To cut the cable or to strip the
sheath, insert the cable into an
appropriate hole as shown in
the right figure and press the
blade down.
Note: The outer fluorine resin sheath of SH-61R cannot be peeled off with
SU-CT1.
Holes for cutting
the cable
Holes for stripping the sheath
In case of chemical resistant type sensor head
•Do not use where it can be exposed to molten alkali
metals (natrium, potassium, lithium, etc.), fluorine gas (F2),
CIF3, OF2(including gaseous state), etc.
•In case of cable extension, the extended portion should be
placed in an area where it is not exposed to chemicals.
(Unit: mm in)
(Unit: mm in)
Connection with metal connector
The beam-emitting
cable and the
beam-receiving
cable must not be
connected to one
metal connector.
Use two separate
metal connectors.
Beam-
emitting
cable
NG
Beam-
receiving
cable
Beam-
emitting
cable
Beam-
receiving
cable
OK
Connection with joint terminal
The beam-emitting
cable and the
beam-receiving
cable should be
separated from
each other as
much as possible.
This distance
should be as
short as pos-
sible.
Beam-
emitting
cable
NG
Beam-
receiving
cable
Beam-
emitting
cable
Beam-
receiving
cable
OK
•If the attached sensor head cables need to be extended,
use two single core shielded cables of at least equivalent
quality.
If a joint terminal or connector is used for extension, refer
to the figures below. (The shielded extension cable must
be of "1.45 mm "0.057 in outer diameter.)
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
397
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Amplifier
Connection with the sensor head cable
Follow the procedure given below to connect the sensor
heads. If the connection is not secure, the sensor will not
work properly.
Step
Operation
Remove the cover.
Trim the cable ends with the stripper
SU-CT1 or a pair of nippers as shown on
the right. Do not peel the insulating sleeve
off the inner conductor.
A cable stripping gauge appears on the
side of the SU-7 amplifier. Using this
gauge, it is possible to obtain the given
cable dimensions.
Insulating
sleeve
Outer conductor
5 to 9 mm
0.197 to 0.354 in
5 to 9 mm
0.197 to 0.354 in
Cable stripping
gauge
Snap the cable lock
lever down and put
the cables into the
insertion holes of the
amplifier with the
outer shield wires
facing each other.
Cables should be
inserted straight
without bending.
Gray
(Beam-emitting cable)
Chemical resistant
type: Transparent Chemical resistant
type: Transparent
Cable
inlets
Cable lock
lever
Black
(Beam-receiving cable)
Brown
(Beam-emitting cable) Yellow
(Beam-receiving cable)
()()
Pull the cable lock lever back to lock the
cables.
Put the cover on the SU-7 amplifier.
1
2
3
4
5
Caution
•After locking, if the lock is released and the cable is
removed, it can be locked again, as it is, only once. If
the locking is repeated three times or more, repeat the
process from Step 2. If the cables are locked and
released repeatedly, note that the cable ends may
break, resulting in a bad connection.
•If there is a shred of the cable left inside the cable inlet,
remove it before connecting the sensor head cables.
Turn the amplifier
upside down, and tap it
around the holes. If
the shred still remains,
peel the bottom seal
off the amplifier, and
drop it out.
(The seal is reusable.)
Broken cable end
Seal Seal
Mounting
How to mount the amplifier
1Fit the rear part of the
amplifier on the attached
amplifier mounting bracket
(MS-DIN-2) or a 35 mm
1.378 in width DIN rail.
2
Press down the front part of
the amplifier on the amplifier
mounting bracket (MS-DIN-2)
or the DIN rail to fit it.
How to remove the amplifier
1Push the amplifier forward.
2Lift up the front part of the
amplifier to remove it.
Attached amplifier mounting bracket
or 35 mm 1.378 in width DIN rail
21
1
2
Wiring
•The self-diagnosis output does not incorporate a short-
circuit protection circuit. Do not connect it directly to a
power supply or a capacitive load.
Part description
Mode selection switch
Timer adjuster (Note)
Operation
indicator (Red)
Stability
indicator (Green)
ON button
OFF button
Sensitivity
setting buttons
RUN
SIF
SET
ON
OFF
STB
OUT
SU-7
TIMER
OND
OFD
0
Note: In case of SU-75, this is the external synchronization selection switch.
At the time of shipment, the
inner conductor is stripped
and cannot be used as it is.
Make sure to trim the cables.
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
398
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Amplifier
Sensitivity setting
iNormal sensitivity setting —————————————
Standard setting
The sensor recognizes the ON and OFF levels by your pressing of the
buttons. The threshold level is automatically set at the middle between
ON and OFF levels.
High
Low
Incident
light
intensity
Without
detecting
an object
While detecting
an object
OFF input
Threshold
level
ON input
Setting procedure
<In case of sensing output ON with object present>
Step
Operation
Set the sensor heads within the sensing range.
Set the mode selection switch to ‘SET’.
Press the ON button with the object present.
(Release it within 3 sec.)
When the ON level is recognized by the
sensor, the stability indicator (green) blinks.
Press the OFF button with the object absent.
(Release it within 3 sec.)
Set the mode selection switch to ‘RUN’. Now the
sensitivity setting buttons (ON / OFF buttons) become
ineffective. Even if the buttons are touched by mistake,
the set sensitivity does not change.
•The stability indicator blinks twice if the difference between the ON
and OFF levels is sufficient for stable detection.
•The stability indicator blinks continuously if the difference between
the ON and OFF levels is so small that stable detection is not
possible.
Even though the sensitivity can be set and the sensor can work,
the sensing will be ambiguous.
()
Thru-beam type Diffuse reflective type
RUN
SIF
SET
STB
OUT
Thru-beam type Diffuse reflective type
RUN
SIF
SET
1
2
3
4
5
6
7
<In case of sensing output ON with object absent>
In the above procedure, press the ON button with the object absent, and
press the OFF button with the object present.
Full power setting
Maximum sensitivity setting ————————————
Remote sensitivity setting (SU-77 only)
mHow to set sensitivity with external inputs——————
The maximum sensitivity is set. Take
care that, in case of the diffuse reflective
type, if a background object is present,
the sensing output may turn ON even
without the sensing object.
High
Low
Incident light
intensity
Threshold
level
Setting procedure
Make sure that the sensor receives no light.
Set the mode selection switch to ‘SET’.
When the input is recognized by the sensor, the
stability indicator (green) blinks.
When the input is recognized by the sensor, the stability indicator
(green) blinks.
Set the mode selection switch to ‘RUN’.
Press the ‘ON’
button in the
Light-ON mode.
Press the ‘OFF’
button in the
Dark-ON mode.
1
2
3
4
5
6
7
Press the ‘OFF’
button in the
Light-ON mode.
Press the ‘ON’
button in the
Dark-ON mode.
RUN
SIF
SET
STB
OUT
RUN
SIF
SET
Instead of pressing buttons, the sensitivity can be set with the remote
sensitivity setting inputs.
(There is no external sensitivity shift mode.)
The procedure is the same as for setting with sensitivity buttons, except that
instead of pressing the buttons, the remote sensitivity setting input wire is short-
circuited to 0 V. The mode selection switch is set to either the ‘SET’or ‘RUN’side.
•Time chart
The self-diagnosis output stays ON for approx. 40 ms after ON input or
OFF input is recognized by the sensor.
If the difference between the ON and OFF levels (the difference between incident
light levels) is so small that stable detection is not possible, it does not turn ON.
Notes: 1) Signal condition ... Low: 0 to 1 V, High: 4.5 to 30 V, or open
Input impedance: 10 kΩ
Notes: 2)
Do not move the object, etc., or change the incident light intensity during T
3
.
Setting procedure
Self-diagnosis output
Sensing output
V
Black
Brown
Blue
Pink
Violet
Orange
Remote sensitivity ON input
Remote sensitivity OFF input
0 V
ON
OFF
High
Low
High
Low
ON
OFF
T1T2
T3
T4
T5T2
T3
T4
Sensing
possible
Power supply
Remote sensitivity
ON input
Remote sensitivity
OFF input
Self-diagnosis output
(Answer back function)
Sensing output
T1j1,000 ms, 3,000 mseT2j5 ms, T3c310 ms, T4c40 ms, T5j500 ms
(Note 2) (Note 2)
Step
Operation
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
399
1
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Amplifier
Limit sensitivity setting
Sensitivity for detecting minute differences—————
Setting for minute detection is possible just by pressing a button once
without the object being present.
For detecting
a tiny object
For stable detection of an object without detecting
the background
Back-
ground
Step
Operation
Set the sensor without an object and under stable light receiving
condition.
Set the mode selection switch to ‘SET’.
Set the mode selection switch to ‘RUN’.
1
2
3
4
Thru-beam type Diffuse reflective type Mark sensor
Back-
ground
RUN
SIF
SET
By pressing either ON or
OFF button for 3 sec. or
more, the threshold level is
set 15 % either lower or
higher than the object
absent level as shown in
the right figure.
Please note that the
output operation cannot
be reversed.
For example, press the ON button for detecting a tiny object.
Threshold
level
15 %
15 %
ON
OFF
High
Low
100 %
Press OFF button for 3 sec. or more
Press ON button for 3 sec. or more
OFF
ON
0
Threshold
level
Incident light
intensity
Object absent
level
RUN
SIF
SET
Sensitivity shift
For applications in which beam intensity fluctuates
———
If the incident light is stable in either the object present or object absent
state, by shifting the threshold level towards this state, stable sensing is
possible even if the incident light is unstable in the other state.
The setting level is the same as for limit sensitivity setting. However, since
the operating level is shifted after the normal sensitivity setting, output
operation is selectable.
Step
Operation
Set the sensitivity by following the standard setting procedure.
(If the sensitivity margin is small, sensitivity shift cannot be done.)
Press the sensitivity setting button which was pressed in the stable
light received condition. For example, for a diffuse reflective type
sensor, in case a background object is present, press the button
which was pressed with only the background object being sensed.
Set the mode selection switch to ‘SIF’.
Set the mode selection switch to ‘RUN’.
2
4
3
RUN
SIF
SET
RUN
SIF
SET
Background
ON
ON input
Shift
OFF
100 %
0
15 % approx.
High
Low
Incident light
intensity
OFF input
Threshold level
before shift
Threshold level
after shift
Unstable
light intensity
Stable
light intensity
Remote sensitivity selection function (SU-79 only)
•SU-79 can store four channels of sensitivity levels, which
can be selected as per your requirement.
Stability margin indication function
•After setting the sensitivity, the margin of stability can be
determined. When the mode selection switch is changed
from ‘SET’to ‘SIF’or ‘RUN’, the stability indicator (green)
blinks. The number of blinks indicates the margin of
stability.
Sensitivity storage
Wiring
Signal condition
Sensitivity selection
Channel selection
Step
Operation
Step
Operation
Set the mode selection switch to ‘SET’.
Set the sensitivity.
Designate another channel and set the sensitivity again.
Set the mode selection switch to ‘RUN’.
Designate the channel that is to store the sensitivity by making the
remote sensitivity selection inputs 1 and 2 suitably High or Low.
RUN
SIF
SET
Black
Brown
Blue
Pink
Violet
Orange
0 V
Self-diagnosis output
Sensing output
V
Remote sensitivity selection input 1
Remote sensitivity selection input 2
Low: 0 to 1 V
High: 4.5 to 30 V, or open
Input impedance: 10 kΩ
Remote
sensitivity
selection input 1
Remote
sensitivity
selection input 2
1 Low Low
2 Low High
3 High Low
4 High High
RUN
SIF
SET
Set the mode selection switch to ‘RUN’.
Designate the channel you wish to select by making the remote
sensitivity selection inputs 1 and 2 suitably High or Low.
RUN
SIF
SET
1
2
3
4
5
1
2
Number of blinks
Margin (%)
Margin with respect
to threshold level
012345
Under
15 to 30 30 to 45 45 to 60 60 to 75
Over
15 75
()
Input
Channel
Setting procedure
Setting procedure
()
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
400
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Amplifier
External synchronization function (SU-75 only)
•
The external synchronization function can be used to control the
timing of sensing. Edge trigger or gate trigger are available.
Interference prevention function
•Every SU-7 amplifier is incorporated with an interference
prevention function. By setting different emission
frequencies, sensor heads can be mounted close together
(up to 2 units.).
Test input (emission halt) function (SU-75 only)
•When the test input (emission halt input) (violet) is short-
circuited to 0 V (Low), the beam emission is halted. This
function is useful for a start-up test since the sensing
output can be made ON / OFF without the sensing object.
Short-circuit to 0 V and open the input, repeatedly. If the
sensing output follows this operation, the sensor is
working well, else not.
Timer function (Except for SU-75)
•Every SU-7 series amplifier (except for SU-75) is
incorporated with a variable ON / OFF delay timer for 0 to
5 sec.
ON
OFF
ON
OFF
40 ms approx.
High
Low
ON
OFF
ON
OFF
High
Low
Edge trigger Gate trigger
Tj0.6 ms (Tj0.8 ms when the interference prevention function is used)
Sensing
signal
T T
External
sync. input
Sensing
output
External sync.
selection switch
Note: The external synchronization selection switch must be turned fully
clockwise or counterclockwise.
High
Low
ON
OFF
Normal Failure
Test input
(emission halt input)
Tj0.6 ms
Tj0.8 ms
when the interference
prevention function
is used
T T T
Sensing output
in the Dark-ON
mode
ON-delay
As only longer sig-
nals are extracted,
this function is
useful for detecting
if a line is clogged,
or for sensing only
objects taking a
long time to travel.
OFF-delay
Since the output
signal is extended for
a fixed time interval,
this function is useful
if the output signal is
so short that the
connected device
cannot respond.
Sensing
Non-
sensing
ON
OFF
ON
OFF
ON
OFF
TT
ON
OFF
T
T T T
T
T
ON
OFF
ON
OFF
Sensing
condition
Operation
Normal
operation
ON-delay
OFF-delay
ON-delay
OFF-delay
Normal
operation
Timer period: T0 to 5 sec.
ON at the non-sensing state ON at the sensing state
•Timer period setting
Adjust the time duration of ON or OFF delay
by turning the timer adjuster.
Note: Adjust the timer under ‘SET’mode. Adjustment is not
allowed in ‘SIF’or ‘RUN’mode.
OND
OFD
0
5s
5s
0
OFF-delay
ON-delay
Step
Operation
Setting
1
2
3
4
5
6
7
Set the mode selection switch to ‘SET’.
Apply steps 1and 2to the second amplifier.
Press ‘ON’button.
(The stability indicator blinks twice.)
[Response time: 0.6 ms or less (Note 1)]
Press the ‘OFF’button.
(The stability indicator blinks twice.)
[Response time: 0.8 ms or less (Note 1)]
Set the mode selection switch to ‘RUN’.
(This completes the setting for one amplifier.)
Set the mode selection switch to ‘RUN’.
(The completes the setting.)
RUN
SIF
SET
OFF
ON
RUN
SIF
SET
RUN
SIF
SET
Cancellation
Step
Operation
Press both ‘ON’and ‘OFF’buttons simultaneously again.
(The stability indicator blinks twice.)
OFF
ON
1
2
Notes: 1) The interference prevention function increases the hysteresis and
the response time. After it is set, make sure to check the operation.
Notes: 2) When the interference prevention function is used with thru-beam
type sensors, set the sensitivity by standard setting, limit setting of
shift setting.
Press both ‘ON’and ‘OFF’buttons simultaneously
for 2 sec. or more. The stability indicator (green)
blinks.
Press both ‘ON’and ‘OFF’buttons simulta-
neously for 2 sec. or more. The stability indicator
(green) blinks.
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
401
PRECAUTIONS FOR PROPER USE Refer to p.1135l for general precautions.
Amplifier
Self-diagnosis function
•The sensor checks the incident light intensity, and if it is
reduced due to dirt or dust, or beam misalignment, an
output is generated.
Stable light received level
Sensing output threshold level
Stable dark level
Sensing condition
Stability indicator
Self-diagnosis output
ON (Lights up)
OFF (Lights off)
Lights up
Lights off
OFF
ON
Insufficient beam intensity Insufficient beam interruption
Sensing output
(operation indicator)
(in the Light-ON mode)
40 ms approx. 40 ms approx.
1132
1The self-diagnosis output transistor stays in the ‘OFF’
state during stable sensing.
2When the sensing output changes, if the incident light
intensity does not reach the stable light received level or
the stable dark level, the self-diagnosis output becomes
ON. It is automatically restored after 40 ms approx.
Further, the self-diagnosis output changes state when
the sensing output changes from Light to Dark state.
It is not affected by the output operation of the sensing
output.
3In case of insufficient beam interruption, there will be a
time lag before the self-diagnosis output turns ON.
Others
•Do not use during the initial transient time (0.5 sec.) after
the power supply is switched on.
()
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
402
DIMENSIONS (Unit: mm in)
SU-7MS-DIN-2
Amplifier
SH-21 Sensor head
SH-31R SH-31G
SH-33R
Sensor head
Amplifier mounting bracket
(Accessory for amplifier)
SH-21E Sensor head
SH-22 Sensor head
SH-32R Sensor head
Assembly dimensions with attached amplifier mounting bracket
GY BK
8.9
0.350
9
0.354
11.4
0.449
4.2
0.165
5
0.197
5.6
0.220
3.5
0.138
5
0.197
5.5
0.217
6.2
0.244
6.3
0.248
3.1
0.122
Stability indicator
(Green)
Operation indicator
(Red)
Sensitivity
setting buttons
Timer adjuster (Note 1)
Mode selection switch
Cable for receiver
Cable for emitter
Cable lock lever
67
2.638 3
0.118
31.5
1.240
8
0.315
9
0.354
19.1
0.752
2
0.079
4.2
0.165
2
0.079
3.2
0.126
3.2
0.126
28.6
1.126
4.5
0.177 16
0.630
2
0.079
2
0.079
2.1
0.083
28.6
1.126 16
0.630
24.3
0.957
5.8
0.228
10
0.394
Attached amplifier mounting
bracket (MS-DIN-2)
"7.6
"0.299
2-
"
3.2
"
0.126 mounting holes
The cable output
section of the
connector type
sensor differs
"4.2 "0.165 cable,
2 m 6.562 ft long
Suitable for 35 mm 1.378 in width DIN rail
3
0.118
The tail of SU-7J
7.2
0.283
12.2
0.480
8.2
0.323
36.5
1.437
23
0.906
35
1.378
27
1.063
2
0.079
t1
t 0.039
0.4
0.016
7.5
0.295
4.2
0.165
2
0.079
"1.8
"0.071
2
-"
3.2
"
0.126 holes
3.2
0.126 5.2
0.205
8.5
0.335
5.2
0.205
21.6
0.850
3.2
0.126
5
0.197
10
0.394
16
0.630
Beam-emitting part or beam-receiving part
3
0.118 12
0.472 3
0.118
5
0.197
8
0.315
2.2
0.087 2.25
0.089
7.5
0.295 2-"2.2 "0.087 mounting holes
5.6
0.220
"1.45 "0.057, single core
shielded cable, 3 m 9.843 ft long
Note: The above dimensions are identical for the emitter and the receiver.
3
0.118 12
0.472 3
0.118
5
0.197
8
0.315
2.25
0.089 7.5
0.295
2-"2.2 "0.087 mounting holes,
"3.6 "0.142 spot facing, 1.4 0.055 deep
"1.45 "0.057, single core
shielded cable, 3 m 9.843 ft long
5.7
0.224
Beam-emitting part
Beam-receiving part
"1.45"0.057, single core
shielded cable, 3 m 9.843 ft long
Note: The dimensions are identical with those
for the emitter.
Emitter
Receiver
3.5
0.138
3
0.118
12
0.472 6.2
0.244
3.2
0.126
3
0.118
12
0.472
5
0.197
(100)
(3.937)
Beam-receiving part
Beam-emitting part
4
0.157
2.25
0.089 7.5
0.295 2-"2.2 "0.087 mounting holes,
"3.6 "0.142 spot facing, 1.4 0.055 deep
7.8
0.307
"1.45 "0.057, single core two parallel
shielded cables, 3 m 9.843 m long
Beam-
receiving part
Beam-
emitting part
7.5
0.295
6.4
0.252 Operation indicator
(Red)
16.5
0.650 7.5
0.295 3
0.118
6.5
0.256
2.5
0.098 7.5
0.295
3.2
0.126
"3.2 "0.126 hole
"1.45 "0.057, single
core two parallel
shielded cables,
3 m 9.843 in long
12.5
0.492
5.5
0.217
6.4
0.252
Operation indicator
(Red)
(Emitter only)
12.5
0.492 7.5
0.295
2.5
0.098
2.5
0.098 7.5
0.295
12.5
0.492 2-"3.2 "0.126
mounting holes
Beam axis
"1.45 "0.057, single
core shielded cable,
3 m 9.843 ft long
Notes: 1) It is the external synchronization selection switch on SU-75.
Notes: 2) The top view is shown without the cover or the sensor head cable.
Material: Cold rolled carbon steel (SPCC)
Material: (Uni-chrome plated)
The CAD data in the dimensions can be downloaded from the SUNX website: http://www.sunx.co.jp/
PHOTOELECTRIC SENSORS
SS-A5
Sensor Checker
CHX-SC2 SU-7/SH
Amplifier-separated
SU-7/SH
403
SH-82R SH-82G
SH-84R
Sensor head SU-CT1 Stripper (Accessory for amplifier)
SH-72 Sensor head MS-DS-1
Sensor head mounting bracket (Optional)
SH-61R Sensor head MS-SS3-1
Sensor head mounting bracket (Optional)
MS-SH6-1 Sensor head mounting bracket
(Accessory for SH-61R)MS-SH6-2
Sensor head mounting bracket (Optional)
7
0.276
16
0.630
3.6
0.142
5
0.197
5
0.197
1.8
0.071
19
0.748
15
0.591
25
0.984
3
0.118
3
0.118
19
0.748
Beam-emitting part
Beam-receiving part
Operation indicator
(Red)
Center of
sensing
2-"3.2 "0.126 mounting holes
8
0.315
"1.45 "0.057, single core two parallel
shielded cables, 2 m 6.562 ft long
cut
strip
cut
4
0.157
24
0.945
2
0.079
5.1
0.201
4.1
0.161
3.5
0.138
13
0.512
29.4
1.157
45
1.772
4
0.157
3-"2.2 "0.087 4
0.157
25.9 1.020
when pressed
()
2-"3.5 "0.138
mounting holes
Beam-emitting part
Beam-receiving part
36.5
1.437
40
1.575
19
0.748
62.5
2.461
"1.45 "0.057, single core two parallel
shielded cables, 3 m 9.843 ft long
12
0.472
3.2
0.126 3.2
0.126
8
0.315
3.2
0.126
t 1.6
t 0.063
t 1.2
t 0.047
2-M3
0.5 0.020
tapped holes
2
1
19
0.748
26
1.024
16
0.630
19
0.748
26
1.024
9
0.354
13
0.512
8
0.315
20
0.787
7
0.276
Beam axis
"1.44 "0.057, single core shielded
cable, 2 m 6.562 ft long
Operation indicator
(Orange)
21
0.827 3
0.118
"3.6
"0.142
"10
"0.394
17.5
0.689
10
0.394
5
5
R10.6
R0.417
2-"3.2 "0.126
7.5
0.295
12.5
0.492
15 0.591
15
0.591
20
0.787
t 1.2
t 0.047
115.6
0.614
10.6
0.417
5
0.197
2-M30.5 0.020
t 1.6
t 0.063
2
12
0.472
6.5
0.256
3.2
0.126
3.2
0.126
8
0.315
3.75
0.148 7.5
0.295
3.5
0.138
3.6
0.142
20
0.787
28
1.102
20
0.787
10
0.394
1.6 0.063
9
0.354
t 0.8
t 0.031
1.6
0.063
3.6
0.142
3
0.118
10.2
0.402
2-"4.2 "0.165
11
0.433
20
0.787
1
0.039
5.5 0.217
2.5
0.098
(3.8)
(0.150)
6
0.236
t 0.6
t 0.024
(16.35)
(0.644) (37.22)
(1.465)
30
9
0.354
Material: Stainless steel (SUS304) Material: Stainless steel (SUS304)
Material: Cold rolled carbon steel (SPCC)
Material: (Uni-chrome palted)
Two M3 (length 12 mm 0.472 in) screws with washers are attached.
Material: POM
Material: Cold rolled carbon steel (SPCC)
Material: (Uni-chrome plated)
Two M3 (length 14 mm 0.551 in) screws with washers are attached.
DIMENSIONS (Unit: mm in)
The CAD data in the dimensions can be downloaded from the SUNX website: http://www.sunx.co.jp/
