Function description
Operating Manual PNOZ ms2p HTL
1001401-EN-04
13
4 Function description
4.1 Integrated protection mechanisms
The relay conforms to the following safety criteria:
} The circuit is redundant with built-in self-monitoring.
} The safety function remains effective in the case of a component failure.
4.2 Operation
The speed monitor can independently monitor two axes for standstill, speed and direction
of rotation. The speed monitor signals the status of the monitored values to the base unit.
Depending on the safety circuit loaded, the values can be transferred from the base unit,
e.g. to a relay output on the safety system. Incremental encoders and/or proximity detectors
can be used to record the values.
The configuration of the speed monitor is described in detail in the PNOZmulti Configur-
ator's online help.
4.3 Block diagram
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