Appendix
A.3 Application examples for functional safety (STO / SS1-t)
Power Module PM330
128 Hardware Installation Manual, 12/2018, A5E32844552B AF
Figure A-5 SS1-t with an F-PLC
Manual reset function (start, acknowledgment), according to ISO 13849-1 depending on the
application required, e.g. Emergency Stop, protective devices with rear access etc.
See "General requirements (Page 121)".
The F-PLC must be externally supplied (max. 250 mA is generally not sufficient for an F-
PLC).
Note
When using digital outputs, parasitic voltages can occur and external noise and disturbances
can be coupled
-in.
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