The speed signals are internally wired to all three Monitors in parallel.
With versions E16x442.xx1:
The speed signal inputs match the values of sensors A5S…
The speed signal inputs are rated SIL2/IEC61508 if sensors of type A5S. (also via barriers
D461) are connected. For other sensors this is only valid, if the sensor supplier guarantees,
that the sensors will not give erratic speed signals due to a common cause failure. The instruc-
tions of the sensor supplier must be observed.
Technical Data of inputs see 3.1.1.1.
With versions E16x442.xx2:
The signal inputs match the values of eddy current sensors respective of MPUs.
The speed signal inputs are rated SIL2/IEC61508, if the sensor supplier guarantees, that the
sensors will not give erratic speed signals due to a common cause failure. The instructions of
the sensor supplier must be observed.
Technical Data of inputs see 3.1.1.2.
With versions E16x442.xx3:
The signal inputs match the values of MPUs.
The speed signal inputs are rated SIL2/IEC61508, if the sensor supplier guarantees, that the
sensors will not give erratic speed signals due to a common cause failure. The instructions of
the sensor supplier must be observed.
Technical Data of inputs see 3.1.1.2.
The direction signal inputs match the values of the sensors A5S with direction signal.
The direction signals are internally wired to all three monitors in parallel.
The direction signal inputs are rated SIL2/IEC61508 (valid only for sensors A5S3..).
Technical Data of inputs see 3.1.2.
The Reset signal is internally connected to all modules in parallel. It resets a no longer prevail-
ing, but latched alarm or trip condition.
A signal transition from low to high will reset a latched alarm.
Minimum Time of Reset Signal: > 1 second to ensure correct reset of all modules.
The input “Reset of Alarms” is rated SIL2/IEC61508 provided that the signal source is rated
SIL2/IEC61508.
Technical Data of input see 3.1.3.
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