Testing The Safe Pulse Disabler - Pilz PMCprotego S1 Operating Manual

8 Operation
8.2

Testing the safe pulse disabler

8- Sicherheit_Impulssperre_S1 Testing the safe pulse disabler 8200 Testing the safe pulse disabler 8.2
Betrieb_Impulssperre_Test
Betrieb_Neustart_S1
8-4
The safety card meets the requirements of EN IEC 61508 up to SIL 3
and EN ISO 13849-1 up to PL e.
To achieve category SIL 3 or PL e, the operator must ensure that the
function of the safe pulse disabler is tested periodically, after 8 hours at
the latest, by triggering safety functions SS1 or STO:
By restarting after safety functions SS1 or STO have been triggered

as a condition of operation
or
By restarting after safety function SS1 has been triggered by the op-

erator
To test the safe pulse disabler, proceed as follows:
1. Switch input "SS1 Activate" or "SS1 SIL3/Reset" to 0 V
The safety card performs the safety function SS1 (Safe Stop 1) and

switches to a "STOP" condition. The "FAULT" LED flashes.
2. Switch input "SS1 Activate" or "SS1 SIL3/Reset" to 24 V.
The safety card switches to a "STARTUP" condition. The device and

the safe pulse disabler are tested. The "RUN" LED flashes.
The safety card switches to a "RUN" condition. The "RUN" LED is lit

continuously.
1
SS1 Activate
0
1
SS1 SIL3/Reset
0
1
STO Acknowledge
0
1
LED "RUN"
0
t : At least 2 ms; time during which SS1 Activate or SS1 SIL3/Reset

1
must have a "0" signal
t : Approx. 2 s, safety card's run-up time

2
SS1 Activate: Input for safety function SS1

SS1 SIL3/Reset: Input for SIL 3 and reset

STO Acknowledge: Output for feedback from safety function STO

"RUN" LED: System is ready

t 1 t 2 t