Safety functions of PM330
8.2 Safety functions that can be implemented
Power Module PM330
112 Hardware Installation Manual, 12/2018, A5E32844552B AF
Figure 8-3 Safe Stop 1 (SS1-t, time controlled)
By using, e.g. a suitable safety relay, with time-delayed switch-off signal paths, in addition to
the STO function, the SS1-t function can also be implemented.
In this case the safety relay requests braking along a braking ramp via terminal strip X9
(OFF3), for example; after a delay time has elapsed, it initiates an STO at the PM330.
SS1-t: Response and settings
Figure 8-4 SS1-t: Response
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