Pilz PSS SB HYD, Basic license - Manual (Page 179)

Modular Block System: Hydraulic Presses 6-117
• To achieve Category 4 in accordance with EN 954-1 you will need to use
2 separate gate switches, which are operated independently. The signals
from these gate switches must be used with test pulses.
Error messages
Any fault that is detected will be stored in the corresponding error data
word (SSNR) of the administration data block (1st data block), until the
fault has been fully dealt with.
• Error messages in the administration data block
- Bit 00: Gate open (S1 open)
Remedy: Close gate
- Bit 01: Gate open (S2 open)
Remedy: Close gate
- Bit 02: Gate open (S1 and S2 open)
Remedy: Close gate
- Bit 03: Synchronisation time between S1 and S2 exceeded
Remedy: Carry out a function test
- Bit 04: Function test not carried out
Remedy: Carry out a function test
- Bit 05: Gate closed, S1 was not open
Remedy: Carry out a function test
- Bit 06: Gate closed, S2 was not open
Remedy: Carry out a function test
- Bit 07: Error on the guard locking device
The guard locking control (
UNLK) does not match the signal
from the monitoring circuit ( LCKD)
Remedy: Check monitoring circuit, control, guard locking
device, cable, input/output card and all conditions and then
reset (when
ARSt = 0)