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Small Cable Sensor with
Complementary Outputs
■ Universal AC/DC supply voltage
■ Relay or NPN/PNP transistor
output, light-on or dark-on operation
■ Polarized retroreflective models to
accurately detect shiny objects
■ Cabled models with 2 m (6.56 ft) of cable
Universal Voltage Cabled Photoelectric E3JK
Ordering Information
■ SENSORS
Method of detection Polarized retroreflective Retroreflective
Sensing distance 2.5 m (8.2 ft) 4 m (13.12 ft)
Output type Relay NPN/PNP transistor Relay
Part Light-ON operation E3JK-R2M1-US E3JK-R2H1-G E3JK-R4M1-US
number Dark-ON operation E3JK-R2M2-US E3JK-R2H2-G E3JK-R4M2-US
Method of detection Through-beam Diffuse reflective
Sensing distance 5 m (16.4 ft) 30 cm (11.81 in)
Output type Relay NPN Relay
Part Light-ON operation E3JK-5M1-US E3JK-5S3 2M E3JK-DS30M1-US
number Dark-ON operation E3JK-5M2-US — E3JK-DS30M2-US
■ ACCESSORIES
Description Part number
Reflector adapter for stud-mounting E39-R1 reflector E39-L7
Optional large reflector for increased sensing distance E39-R2
■ REPLACEMENT PARTS
Description Part number
Reflector (supplied with retroreflective sensors) E39-R1
Mounting bracket (supplied with each sensor) E39-L40
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Specifications
■ THROUGH-BEAM AND DIFFUSE REFLECTIVE TYPES
Part number E3JK-5M❑-US E3JK-5S3 2M E3JK-DS30M❑-US
Method of detection Through-beam Diffuse reflective
Supply voltage 24 to 240 VAC, 50/60 Hz; 12 to 240 VDC
Power AC operation Emitter: 1.5 VA max. 2 VA max.
consumption Receiver: 1.5 VA max.
DC operation Emitter: 1.5 W max. 2 W max.
Receiver: 1.5 W max.
Sensing distance 5 m (16.4 ft) 30 cm (11.8 in)
with 10 x 10 cm (3.94 x 3.94 in)
90% reflectance white mat paper
Light source Pulse modulated infrared LED Pulse modulated infrared LED
Detectable object type Opaque materials, 16 mm (0.63 in) Opaque and translucent
minimum dimension materials
Operation mode E3JK-❑❑❑1-US: Light-ON
E3JK-❑❑❑2-US: Dark-ON
Sensitivity Fixed Adjustable
Mutual interference protection Not provided
Control Relay Type SPDT — SPDT
output Max. load 3 A, 250 VAC — 3 A, 250 VAC
Min. load 10 mA, 5 VDC — 10 mA, 5 VDC
DC Type — NPN —
solid Max. load — 100 mA @ 30 VDC —
state Max. on-state — 1 V —
voltage drop
Response time On 30 ms max. 3 ms 30 ms, 3 ms solid state
Off 30 ms max. 3 ms 30 ms, 3 ms solid state
Circuit Output Not provided
protection short-circuit
DC power Provided
supply reverse
polarity
Indicators Emitter: Power On (red LED Light Incident (red LED)
Receiver: Light Incident (red LED)
Materials Lens Plastic
Case Plastic
Cable sheath Plastic
Mounting Side surface mount with two through holes; Bracket E39-L40 and hardware included
Connections Prewired Emitter: 2-conductor cable, 2 m (6.56 ft) 5-conductor cable, 2 m (6.56 ft)
Receiver: 5-conductor cable, 2 m (6.56 ft)
Weight Emitter: 140 g (5 oz.) 140 g (5 oz.)
Receiver: 140 g (5 oz.)
Enclosure NEMA 1, 2, 12
ratings IEC 144 IP64
Approvals UL Recognized, File Number E41515
CSA Certified, File Number LR45951
Ambient Operating -25° to 55°C (-13° to 131°F)
temperature Storage -30° to 70°C (-22° to 158°F)
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■ RETROREFLECTIVE TYPES
Part number E3JK-R2❑❑-US E3JK-R4M❑-US
Method of detection Retroreflective
Supply voltage 24 to 240 VAC, 50/60 Hz; 12 to 240 VDC
Power AC operation 2 VA max.
consumption DC operation 2 W max.
Sensing distance 2.5 m (8.2 ft) with E39-R1 4 m (13.1 ft) with E39-R1
reflector (included) reflector (included)
3 m (9.8 ft) with E39-R2 5 m (16.4 ft) with E39-R2
optional reflector optional reflector
Light source Polarized, pulse modulated Pulse modulated red LED
red LED
Detectable object type Opaque materials and Opaque materials 56 mm (2.2 in)
mirror surface materials minimum dimension
56 mm (2.2 in)
minimum dimension
Operation mode E3JK-❑❑❑1-US: Light-ON
E3JK-❑❑❑2-US: Dark-ON
Sensitivity Fixed
Mutual interference protection Not provided
Control Relay Type SPDT (E3JK-R❑M❑-US)
output Max. load 3 A, 250 VAC
Min. load 10 mA, 5 VDC
DC Type NPN and PNP (E3JK-R2H❑)
solid- Max. load 100 mA at 300 VDC
state Max. on-state 1 VDC
voltage drop
Response time On 30 ms max. for relay; 3 ms max. for transistor
Off 30 ms max. for relay, 3 ms max. for transistor
Circuit Output Not provided
protection short-circuit
DC power Provided
supply reverse
polarity
Indicators Light Incident (red LED)
Materials Lens Plastic
Case Plastic
Cable sheath Plastic
Mounting Side surface mount with two through holes; Bracket E39-L40 and hardware included
Connections Prewired 5-conductor cable, 2 m (6.56 ft) length
Weight 140 g (5 oz.)
Enclosure NEMA 1, 2, 12
ratings IEC 144 IP64
Approvals UL Recognized, File Number E41515
CSA Certified, File Number LR45951
Ambient Operating -25° to 55°C (-13° to 131°F)
temperature Storage -30° to 70°C (-22° to 158°F)
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■ OUTPUT CIRCUIT DIAGRAMS
Relay output types E3JK-❑❑M❑-US Transistor output types E3JK-❑❑H❑-US
■ TIMING CHART
Through-beam models Diffuse and retroreflective models
■ CONNECTIONS
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Engineering Data
■ EXCESS GAIN RATIO
Through-beam type (E3JK-5M❑-US) Retroreflective type (E3JK-R4M-US) Retroreflective type with
polarized light source (E3JK-R2M❑)
Detecting distance (m)
with E39-R1 reflector Detecting distance (m)
with E39-R1 reflector
Detecting distance (m)
Diffuse reflective type
(E3JK-DS30M❑-US)
Excess gain ratio
Excess gain ratio
Excess gain ratio
Through-beam type (E3JK-5M❑-US)
■ OPERATING RANGE
Retroreflective type (E3JK-R4M❑-US) Retroreflective type with polarized
light source (E3JK-R2M❑)
Detecting distance X (m)
with E39-R1 reflector
Detecting distance X (m) Detecting distance X (m)
with E39-R1 reflector
Parallel offset distance Y (cm)
Parallel offset distance Y (cm)
Detecting distance (cm)
with 10 x 10 cm)
90% reflectance mat paper
Excess gain ratio
Parallel offset distance Y (cm)
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Diffuse reflective type
(E3JK-DS30M❑-US)
OPERATING RANGE (continued) ■ SIZE OF TARGET vs. DETECTING DISTANCE
(at maximum sensitivity)
Diffuse reflective type
(E3JK-DS30M❑-US)
Detecting distance X (cm)
with 10 x 10 cm
90% reflectance mat paper
Parallel offset distance Y (mm)
Dimensions
■ SENSORS
Unit: mm (inch)
Mounting holes
Through-beam type Sensitivity adjuster
(Diffuse reflective type only)
Retroreflective and
Diffuse reflective types
6 mm OD cable,
2 m (6.56 ft) length
17.6
(0.69)
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■ REFLECTORS
E39-R1 Reflector (included with
retroreflective sensors) E39-L7 Reflector Adapter for E39-R1
(optional)
OMRON ELECTRONICS LLC. OMRON CANADA, INC.
One East Commerce Drive 885 Milner Avenue
Schaumburg, IL 60173 Scarborough, Ontario M1B 5V8
1-800-55-OMRON 416-286-6465
Cat. No. CEDSAX4 11/01 Specifications subject to change without notice. Printed in the U.S.A.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
