DSP LASER AP with MCS
10.4.2.10. Rear guards
Rear guards
When the rear guard is opened (or when a photoelectric barrier, if in use, is interrupted),
MCS enters in Lock state (no movement allowed) and turns on the led relevant to the rear
guard alarm.
Moreover the output OUTRL1 and OUTRL2, if enabled, enter in OFF state and so remain
until the alarm is active.
To restore MCS, close the guard (or reset the photoelectric barrier) and press the rear
guard reset button.
Once the reset button is pressed, if the procedure has been executed correctly, the led
relevant to the rear guard alarm turns OFF.
If you wish to use a single signal for the rear guards (for example, if you use a single rear
guard with only a NC contact), assign the value “SINGLE” to the programming parameter
B6 (Figure 42 - SOLUTION 1).
If you use a photoelectric barrier, whose outputs are relay or command two driven contact
relays (Figure 42 - SOLUTION 2), it is necessary to assign the value “DOUBLE” to
programming parameter B6.
The restore function and the relevant led are managed by ING4 and OUTG1.
Figure 42
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