D301087 0308 - BL20 CANopen 4-259
I/O-Module Objects
4
Meaning of the 4-bit process input data on an SWIRE-DIL device:
The following table shows the meaning of the data bits:
Bit 7
Bit 6 Bit 5 Bit 4
SDx / free
free PKZSTx SIx
Table 177:
Meaning of the
data bits
Designa-
tion
Status Comment
SIx Switch status, relay x
SIx supplies the switch status of the contactor coil
of the SWIRE bus slave as a feedback signal. SIx
makes it possible to check whether the set switch
status was executed by a mechanical connection.
This must take into account the time delay between
the setting of an output, a mechanical execution and
the subsequent feedback signal.
0OFF
Contactor coil is switched
off
1ON
Contactor coil is switched
on
PKZSTx
Switch status, PKZ x
0 OFF The motor-protective
circuitbreaker is off or has
tripped
1 ON The motor-protective
circuitbreaker is switched on
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