Rockwell Tools GUARDSHIELD SAFE 4 Manuale Utente Scaricare il pdf (Pagina 14)

GuardShield™ Type 2 Safety Light Curtain Installation Instructions

Original instructions

Troubleshooting Guide

The light curtain carries out an internal self-test after startup. If an error

occurs, an appropriate signal combination is sent through the LEDs to

the transmitter and receiver.

Condition

No. Error Description Action

Internal fault, receiver • Replace receiver

Internal fault, transmitter • Check connections transmitter/

receiver

• Exchange transmitter

External fault • Check connections of OSSD

outputs for short circuit against

+24V DC and GND (cable,

connected devices)

•Replace receiver

External fault (MPCE error)

The function Relay monitoring is

activated and after clearing the OSSD

the input Relay monitoring does not

recognize a change of state.

• Check connection Relay

monitoring

• Check connected relay for closed

contact (if OSSD ON—input Relay

monitoring must have GND level,

if OSSD OFF—input Relay

monitoring must have +24V)

• Switch on only after POWER OFF/

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Rockwell Tools GUARDSHIELD SAFE 4 Manuale Utente Pagina 14