Examples – Pilz PSS SB HYD, Basic license User Manual
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Examples
Modular Block System: Hydraulic Presses
Safety gate monitoring with guard locking, automatic start and manual
restart, category 4
Block used: SB075/GRD_LCK
Cyclical function test on the gate:
The following application does not require a cyclical function test on the
gate.
However, if you need this requirement, the “Machine running” signal
should be assigned to the input parameter
MRun.
Set operating mode:
The following operating mode is set in this application:
ARSt = 0: Reset lock activated (manual restart)
The operator must acknowledge each opening of the safety gate
(input parameter
RSET).
NoFT = 1
No function test on the gate when the PSS is cold/warm started,
when the I/O-Group is started or each time the gate is unlocked
AuSt = 1
No start-up disabler (automatic start)
WARNING!
When a safety-related device provides a start or restart signal, the start or
restart shall take place automatically only if a hazardous situation cannot
exist (EN 954, 03/97).
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