13
2539116-02-09/21 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-L2-AS1B
EN
9.4.
AS-Interface status messages
A dual LED (red/green) displays the colors red, green and yellow. The following table provides assistance with troubleshooting.
State
ASI LED
Explanation
green
Normal operation
red
No data exchange between master and slave
Cause:
- Master in STOP mode
- Slave not in LPS
- Slave with wrong IO/ID
red/yellow
alternately flashing
No data exchange between master and slave
Cause: slave address=0
red/green
alternately flashing
Device fault in the slave.
Contact the manufacturer.
red flashing
9.5.
Safety in case of faults
The AS-Interface power supply and the auxiliary voltage are reverse polarity protected.
9.6.
Connection of guard locking control
9.6.1. Guard locking control by means of switching the auxiliary voltage
Auxiliary voltage,
24 V DC
IMP
IMM
Auxiliary voltage,
0 V DC
Fig. 2:
Connection example: guard locking control by means of switching the auxiliary voltage
9.6.2. Guard locking control via ASi bit D0 (guard locking for process protection only)
Auxiliary voltage,
24 V DC
ASi bit D0
Auxiliary voltage,
0 V DC
Fig. 3:
Connection example of guard locking control via ASi bit D0 (guard locking for process protection only)