Pilz PSS SB HYD, Basic license - Manual (Page 137)

Modular Block System: Hydraulic Presses 6-75
Function
• Monitoring the ESPE/AOPD outputs:
Feasibility check on signal 1 and signal 2 (input parameters NO_1 and
NO_2), monitoring contact synchronisation time (DB 015/DW 1001).
• Reset pulse edge
Existing errors can be reset via a 0/1-pulse edge at the reset button
(input parameter
RSET).
• Function test:
A function test is carried out by breaking the protected field, clearing it
again and then pressing the reset button (input parameter
RSET). In the
case of hardware errors, a function test must always be carried out after
the error has been rectified.
• Start-up disabler:
A start-up disabler will be set if the PSS is switched on (PSS cold/warm
start), the SafetyBUS p I/O-Group is started (0/1 pulse edge at input
parameter
GRP) or if the guard function of the ESPE/AOPD is activated
(0/1 pulse-edge at the input parameter GdOn).
The lifting of the disable will depend on the set start-up procedure. The
start-up sequence is established via the input parameter
SSeq (function
test or just reset in “guard only” mode).
• Reset lock:
A reset lock will be set if the protected field is interrupted during
operation. The lifting of the reset lock will depend on the set reset
procedure. The reset sequence is established via the input parameter
ARSt (automatic reset/press reset button).
In the case of hardware errors you will need to reset first and then carry
out a function test.
• Switching the ESPE/AOPD supply voltage:
The block has an output for switching the supply voltage to the ESPE/
AOPD (output parameter
PWR).
• Automatic Test of ESPE/AOPD
This block can be used to carry out an automatic function test (input
parameter
Test). A break in the protected field is simulated by switching
off the ESPE/AOPD emitter (output parameter TEST). The maximum