Technical Overview
The Omron E3JK-RN12-C is a pre-wired E3JK retro-reflective, with msr photoelectric sensor, rated for 6 m with E39-R1 reflector or 10 m with E39-R2 reflector. This configuration uses red led, 624 nm, 10–30 vdc including 10% p-p ripple and npn open collector output; the stated response time is 1 ms max. and enclosure rating is IP64. The -C version includes a mounting bracket, and retro-reflective -C versions include an E39-R1 reflector. Current supply status is not established by the consulted manufacturer material and is recorded as Unknown.
A pre-wired retro-reflective with msr sensor with 6 m with E39-R1 reflector or 10 m with E39-R2 reflector sensing distance.
Key Features
- Exact model E3JK-RN12-C 2M; E3JK built-in power supply photoelectric sensor
- Retro-reflective with MSR sensing, rated 6 m with E39-R1 reflector or 10 m with E39-R2 reflector
- NPN open collector with Light-ON/Dark-ON selectable
- Red LED, 624 nm sensing element
- 10–30 VDC including 10% p-p ripple; 30 mA max.
- 1 ms max. response; one-turn adjuster
- IP64; ABS case with methacrylic lens/display window
- 2 m pre-wired cable; -C package includes mounting bracket and E39-R1 reflector
- Approx. 0.160 kg packed (manufacturer value is packed state)
- Current manufacturer supply status not established; recorded as Unknown
6 m with E39-R1 reflector or 10 m with E39-R2 reflector sensing with a pre-wired E3JK sensor and built-in supply options.
Technical Specification Matrix
| Parameter | Value |
|---|
| Sensing method | Retro-reflective, with MSR |
| Sensing distance | 6 m with E39-R1 reflector or 10 m with E39-R2 reflector |
| Standard sensing object | 75 mm minimum opaque object with E39-R1; 100 mm minimum with E39-R2 |
| Light source | Red LED, 624 nm |
| Power supply | 10–30 VDC including 10% p-p ripple |
| Power consumption | 30 mA max. |
| Output | 30 V max. load supply; 100 mA max. load; 3 V max. residual; Light-ON/Dark-ON selectable |
| Response time | 1 ms max. |
| Sensitivity adjustment | One-turn adjuster |
| Ambient temperature | Operating −25 to +55 °C; storage −40 to +70 °C; no icing/condensation |
| Ambient humidity | Operating 35–85% RH; storage 35–95% RH; no condensation |
| Enclosure rating | IP64 |
| Housing material | ABS; methacrylic resin lens/display; POM adjuster; PVC cable |
| Connection | Pre-wired, 2 m |
| Included accessories | Reverse-polarity supply/output and output short-circuit protection; mutual interference prevention; E39-R1 reflector included with -C model |
| Physical Weight (kg) | Approx. 0.160 kg packed |
| Dimensions L x W x H (cm) | Not transcribed numerically from the manufacturer dimension drawing |
| Supply status | Unknown; current manufacturer supply state not established |
Suggested applications
Engineering suggestions require suitability checks for your installation.
1. Conveyor object detection
A conveyor line may need to identify products across a defined sensing gap or against a fixed surface.
Potential use
Evaluate the retro-reflective, with msr geometry and 6 m with E39-R1 reflector or 10 m with E39-R2 reflector range with the actual target; confirm output wiring and response in the control circuit.
Retro-reflective with MSR
6 m with E39-R1 reflector or 10 m with E39-R2 reflector
NPN open collector
1 ms max.
2. Machine station presence confirmation
A station may need a discrete presence signal for a part or carrier before the next operation.
Potential use
Use the npn open collector output with a compatible input and verify the target, reflector or emitter/receiver alignment as applicable.
10–30 VDC including 10% p-p ripple
IP64
2 m cable
Red LED, 624 nm
