Receiver C version
Receiver C Version. Receiver module of the light curtain system (C version, ThyssenKrupp/Schindler). Original RUDOLPH design.

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Receiver C Version
The C-version receiver is a receiver module of the light curtain system for the restart readiness circuit (WBS) of escalators.
Part of the Restart Readiness Circuit (WBS)
The light curtain is part of the restart readiness circuit (WBS) for escalators: transmitter and receiver modules monitor the presence of people on the unit in accordance with EN 115 and automatically release the escalator again after an emergency stop. The C version is the predecessor system for escalators from ThyssenKrupp and Schindler.
Features
- Original RUDOLPH design
Areas of application
Field of use
Automatic restart systems (WBS) are used on escalators and moving walks in public and commercial passenger transport and automatically release the unit again after an emergency stop as soon as nobody is on it any more. The C version is designed for escalators made by Schindler and ThyssenKrupp (Original RUDOLPH design); for new installations we recommend the current E version.
Operating principle
The light curtain uses up to 99 light barriers to create a vertical safety light grid across the escalator. Each light barrier consists of a transmitter module and a receiver module; if a person interrupts a light beam, the TLCU central unit detects the occupancy and withholds the release. The system works independently of ambient light and is self-monitoring and self-configuring according to EN 115:2008 (Cat. 4 / SIL 3).
Installation
- Screw the receiver module onto the matching receiver cable (9-module/10-module/11-module).
- Fix the module with a stainless steel holder on the side of the escalator (opposite the transmitter).
- Check the alignment with the opposite transmitter module.
Maintenance & cleaning
- Regularly inspect the modules and optical surfaces visually.
- Clean dirty optics with a soft, lint-free cloth – no aggressive cleaning agents.
- Check the status display of the central unit; faults are displayed and output.
- No wearing parts – very low maintenance effort; defective modules can be replaced individually.
Important notes
- Align transmitter and receiver exactly opposite each other.
- One stainless steel holder is required per module.
- Screw the modules onto the matching cable (9-module/10-module/11-module).
- Install only when de-energised.
Technical data
| Parameter | Value |
|---|---|
| Standard | EN 115:2008 |
| Safety level | Cat. 4 / SIL 3 (EN 61508, EN 954-1) |
| Testing | TÜV type-examined |
| Protection class | IP67 |
| Temperature range | −20 … +65 °C |
| Design | Original RUDOLPH |
| Function | Receiver of a light barrier |
| Mounting | screwed onto receiver cable |
Additional information
Flyer
Operating instructions
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