Pilz PSS SB HYD, Basic license - Manual (Page 252)

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Examples
Modular Block System: Hydraulic Presses
Safety gate monitoring with manual start and manual restart,
category 2
Block used: SB066/ST_K4
Cyclical function test on the gate:
The following application requires a cyclical function test of the safety gate
(open/close gate).
This requirement is met by carrying out a function test at appropriate
intervals using a 1/0-pulse edge at the input parameter
MEin.
Set operating mode:
The following operating mode is set for this application:
ARSt = 0: Reset lock activated (manual reset)
The operator has to reset each time the safety gate opens
(input parameter
Strt).
NFkT = 0 A function test is required. When the PSS is started up or
reset, the operator is forced to carry out a function test on
the gate before starting.
AuSt = 0 Start-up disabler activated (manual start)
The operator must reset each time the PSS is started up or
reset (input parameter
Strt).