How to fix range selection error on Reer Security Sensors?
- KKenneth GomezSep 8, 2025
To resolve a range selection error on your Reer Security Sensors, correct the range selection on the Emitter Unit.

How to fix range selection error on Reer Security Sensors?
To resolve a range selection error on your Reer Security Sensors, correct the range selection on the Emitter Unit.
What to do if Reer Security Sensors show internal fault?
If you encounter an internal fault with your Reer Security Sensors, send the equipment for repair to the REER laboratories.
How to fix incorrect configuration of the system in Reer JANUS Security Sensors?
To resolve an incorrect configuration of the system in your Reer Security Sensors, check the connections according to the selected configuration.
How to reset Reer JANUS after override with pulse command expired?
To address an override with pulse command expired on your Reer Security Sensors, reset the system.
What to do if Reer JANUS show internal error?
If you encounter an internal fault with your Reer Security Sensors, send the equipment for repair to the REER laboratories.
| Supply voltage | 24 V DC |
|---|---|
| Housing material | Aluminum |
| Operating temperature | -10°C to +55°C |
| Protection class | IP65 |
| Resolution | 14 mm, 30 mm |
| Output | PNP, OSSD |
| Number of Beams | Varies depending on protection height and resolution |
| Standards | EN 61496-1, EN 62061, EN ISO 13849-1, IEC 61496-1, IEC 61496-2 |
| Safety level | Type 4 according to EN 61496-1, SIL 3 according to EN 61508, SILCL 3 according to EN 62061, Performance Level e according to EN ISO 13849-1 |
Important safety warnings for personnel operating the safety system.
Lists various industrial applications where the safety system is utilized.
Defines resolution and the factors affecting detection capabilities.
Details the different resolution options available for the safety system.
Explains the temporary suspension of safety function for material transit.
Describes muting for one-way openings using the ML series.
Describes muting for two-way openings using the MT series.
Key checks and considerations before installing the safety system.
Formula and factors for ensuring minimum safe distances.
Description of LED indicators and their meaning on the emitter unit.
Explanation of LED and display status for normal operation and configuration.
Pin assignment, color coding, and wiring for the emitter connector.
Pin assignment, color coding, and wiring for the main receiver connector.
How to configure operating modes via receiver connection inputs.
Configuration options for muting timeouts and types using receiver pins.
Settings for override function, including selection of control methods.
Procedure for using the test function to verify system operation.
Configuration for automatic operation of the J LR M12 model.
Configuration for manual operation of the J LR M12 model.
Physical dimensions for the JANUS J series models.
Physical dimensions for the JANUS MI series models.
Overall technical specifications applicable to the JANUS system.
Specific technical data for the JANUS MI series models.
Procedure for checking the correct operation and efficiency of the barrier.
Guidelines for cleaning the device optics and recommended maintenance.
Identification of emitter faults and recommended solutions.
Identification of receiver faults and recommended solutions.
List and codes for available muting junction box accessories.
List and codes for various cables and connector accessories.
Details the terms, conditions, and exclusions for product warranty.
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