Encoders
7–31
Square Flange Mount
845H–SJDZ14CRY2
Description656
The
Bulletin 845H optical incremental
encoders electronically digitize shaft
motion of a rotating element by
converting mechanical motion to an
electronic digital format. Incremental
square waves are accumulated in a
counter as position feedback. The
encoder provides code disk resolutions
up to 5000 pulses per revolution at a
signal frequency response of 210 kHz.
The Bulletin 845H encoder is housed in
a size 25, NEMA T
ype 4 and 13, IP66
(IEC 529), enclosure making it suitable
for many of today’
s industrial
environments.
Features
S
Code disk resolution up to 5000 PPR
S
Optional sink, source, open collector
or dif
ferential line driver output
configurations
S
English and metric options
S
Input reverse polarity protection
S
CE marked for all applicable
directives
Specifications
Accessories
Description Page
Number
Flexible Couplings 7–50
Measuring Wheels 7–51
Servo Clamps 7–51
Pre-Wired Cables
7–52
Mating Connectors 7–55
Mounting Plates 7–55
Differential Encoder
Buffer Board
7–58
Bulletin
845H Optical Incremental Encoders
NEMA Type 4/Type 13, Size 25, High Performance
Code Format
Quadrature
Symmetry
Zero Index Channel
Power Requirements
Frequency Response
Operating Speed (Data)
Resolution
Output Drive Capability
Starting & Running Torque
Moment of Inertia
Slew Speed
Shaft Loading
(3/8I & 10mm Dia.)
Shaft Size
Housing
Temperature
Humidity
Shock
Vibration
Approximate Ship Weight
Incremental, 2 channels with zero index
90° ±22°; Channel A leads B CCW
50%
±10%
1/2 cycle, gated to channel B
Determined by catalog number: 5V DC ±5% @ 150mA maximum
8–24V DC @ 150mA maximum
Data: 210kHz Zero index: 125kHz
(210kHz x 60)/pulses per rev. = RPM or 6000 RPM, whichever is lower
Up to 5000 PPR on code disk
PNP current source = 20mA; NPN current sink = 20mA;
Differential line driver = ±20mA; NPN open collector = 20mA
2.5Ncm typical [3.5in-oz]
15gcm (2.1 x 10–4oz-in–sec2)
6000 RPM
Axial 89N [20lbs] (10lbs 5000 PPR);
Radial 178N [40lbs] (20lbs 5000 PPR)
6mm, 10mm, 6.4mm [1/4in] 9.517mm [3/8in] diameter
NEMA Type 4,13, IP66 (IEC 529)
0°C to +60°C (+32°F to +140°F)—operating
–25°C to +90°C (–13°F to +194°F)—storage
98%, noncondensing
50g (1
1ms duration)
20g (4 to 2000Hz)
0.91kg (2lbs)
Electrical
Mechanical
Environmental
Encoders
7–32
657Selection Guide
845H —S J H Z 1 4 CR Y 2 C
a b c d e f g
a
Mounting Configuration Ê
Code Description
DSquare Flange
E70mm Diameter Flange
F90mm Diameter Flange
GMetric Servo 48mm B.C.
H
English Servo
JMetric Servo 42mm B.C.
b
Shaft Options Ê
Code Description
A6mm Diameter
B10mm Diameter
C1/4in Diameter
Z3/8in Diameter
K6mm w/Flat
L10mm w/Flat
M1/4in w/Flat
N3/8in w/Flat
P3/8in w/Double Flat
Ê
Standard catalog numbers consist of either
English Mounting Configurations with
English Shaft Options or Metric Mounting
Configurations with Metric Shaft Options.
c
Power Supply
Code Description
15V DC ±5%
28–24V DC Unregulated
d
Output Configuration Ë
Code Description
2PNP Current Source
3NPN Current Sink
4DLD 5V DC RS–422
5NPN Open Collector
24V DC Max Ì
6DLD 8–24V DC Í
Ë
DLD = Dif
ferential Line Driver
Ì
External pull-up resistor required
Í
Can not be ordered with 5V DC power
supply (code 1 above)
e
Resolution
Code Descriptio
n (
PPR)
CA 50
CB 60
CE 64
CF 80
CG 100
DB 120
EB 180
CH 200
CJ 250
CC 254
CW 256
EG 300
CK 360
CL 400
CM 500
DW 512
EH 600
LG 900
CN 1000
FW 1024
EL 1200
CD 1250
RF 1280
CU 1472
FL 1600
CP 1800
DN 2000
CS 2048
HL 2400
CR 2500
CY 2540
CT 3600
DR 5000
f
Connection Options
Code Description
1Axial Connector (End)
2Radial Connector (Side)
A
Axial Cable (End)
R
Radial Cable (Side)
g
Connection Options
Code Description
Blank Without Mating Connector Î
CWith Mating Connector Î
11m (3.28ft) Cable Length Ï
55m (16.4ft) Cable Length Ï
99m (29.52ft) Cable Length Ï
Î
These options not available with
Connection Options code: “A” & “R.”
Ï
These options not available with
Connection Options code: “1” & “2.”
Bulletin
845H Optical Incremental Encoders
NEMA Type 4/Type 13, Size 25, High Performance
Encoders
7–33
Electrical Connections
7-Pin
Connector
(ACS02E16S–1P (023))
Current
Source, Current Sink,
Open Collector Outputs
Pin Function Pin Function
A Channel A Output EÊ—
B Channel B Output F DC Return
CChannel Z Output GCase
Ground
DÊDC+ Input — —
10-Pin
Connector
(ACS02E18–1P (023))
Differential
Line-Driver Outputs
Pin Function Pin Function
A Channel A Output F DC Return
B Channel B Output G Case
Ground
CChannel Z Output H
Channel A
Output
DÊDC+ Input I
Channel B
Output
EÊ—JChannel Z
Output
Ê
Pins D and E internally connected
Shaft Diameter Options658
Code Shaft
Diameter
A or K 6mm +0.00mm, –0.013mm
B or L 10mm +0.00mm, –0.013mm
C or M 6.35 (0.2499) +0.0000, –0.0005
Z or N 9.52 (0.3749) +0.0000, –0.0005
Cable
Current Source, Current Sink,
Open Collector Outputs
Wire Pair
Wire Color
Function
Red/Bl ck
Red DC+ Input
Red/Black Black DC Return
White/Bl ck
White Channel A Output
White/Black Black Not Connected
Bl e/Bl ck
Blue Channel B Output
Blue/Black Black Not Connected
Green/Bl ck
Green Channel Z Output
Green/Black Black Not Connected
Differential Line Driver Outputs
Wire Pair
Wire Color
Function
Red/Bl ck
Red DC+ Input
Red/Black Black DC Return
White/Bl ck
White Channel A Output
White/Black Black
Channel A
Output
Bl e/Bl ck
Blue Channel B Output
Blue/Black Black
Channel B
Output
Green/Bl ck
Green Channel Z Output
Green/Black Black Channel Z Output
18.3
(0.72)
3/8I
Dia. Double Flat Shaft
9.1
(0.36)
19.05
(0.75)
Shaft with Flat Option
A
Flexible
Shaft Couplings
Angle
Parallel
Off-Set
Flat Dimensions
Code Dimension
“A”
K5.3mm (0.21in)
L9.1mm (0.36in)
M5.5mm (0.22in)
N8.6mm (0.34in)
ATTENTION:
Rigidly coupling
the encoder shaft to the
machine shaft
will cause a
failure
in either the bearings of
the encoder or the bearings of
the machine shaft.
Bulletin
845H Optical Incremental Encoders
NEMA Type 4/Type 13, Size 25, High Performance
Encoders
7–34
Dimensions—mm (inches)
63.5
(2.50)
M4
x 5.0 Deep on a
42.0 Dia. Bolt Circle
3 Places—120
° Apart
31.75
(1.250) Dia.
5 (0.21) Dia.—
4 Mounting Holes
52.40
(2.063)
26.21
(1.032)
26.21
(1.032)
Square Flange Mount
21.59/22.86
(0.85/0.90)
52.40
(2.063)
8–32 UNC-2B x 4.6 (0.18)
Deep on a 47.6(1.875) Dia.
Bolt Circle,
3 Places—120
° Apart
7.62
(0.300)
6.35 (0.25)
66.5
(2.62)
Sq.
Axial Mount
Connector
Radial Mount
Connector
Metric Flange Mount
6.35
Radial Mount
Connector
3.05
20.0
M4 x 5.0 Deep on a
70.0 Dia. Bolt Circle,
4 Places—90
° Apart
M4 x 5.0 Deep on
a 64.0 Dia. Bolt
Circle, 4 Places—
90° Apart
68.3
70.0
Dia.
31.75 Dia.
20.0
68.3
31.75 Dia.
Axial Mount
Connector
Axial Mount
Connector
6.35
Radial Mount
Connector
3.05
90.0
Dia.
B
B B
See T
able on bottom
of page
7–33. See T
able on bottom
of page
7–33.
See T
able on bottom
of page
7–33.
65
(2.56) Dia.
65.0
(2.56) Dia.
65.0
(2.56) Dia.
English Servo Mount
21.59/22.86 (0.85/0.90)
8–32 UNC-2B x 4.6 (0.18)
Deep on a 47.6 (1.875)
Dia. Bolt Circle,
3 Places—120
° Apart
7.62 (0.300)
2.54 (0.100)
31.75
(1.250) Dia.
Axial Mount
Connector
Radial Mount
Connector
63.5
(2.50)
58.67 (2.31) Dia.
2.54 (0.100)
63.50
(2.500) Dia.
Metric Servo Mount
63.5
M3 x 5.0 Deep on a
48.0 Dia. Bolt Circle,
3 Places—120
° Apart
20.0
8.0
2.54
31.75 Dia.
63.50 Dia.
Axial Mount
Connector
Radial Mount
Connector
58.67 Dia.
2.54
20.0
2.54
31.75 Dia.
63.50 Dia.
Axial Mount
Connector
Radial Mount
Connector
63.5
58.67 Dia.
2.54
8.0
B
B B
See T
able on bottom
of page
7–33.
See T
able on bottom
of page
7–33. See T
able on bot
-
tom of page 7–33.
Connector Type
Output Code Output Type Connector Type
Number of Pins
Dimension “B”
2 Current Source
ACS02E16S–1P (023)
7
63 (2.48)
3Current Sink
ACS02E16S–1P (023)
7
63 (2.48)
4Diff. Line Driver
ACS02E18–1P (023)
10 73.9 (2.91)
5 Open Collector
ACS02E16S–1P (023)
7
63 (2.48)
Bulletin
845H Optical Incremental Encoders
NEMA Type 4/Type 13, Size 25, High Performance
