BL20 - Communication in CANopen
D301087 0308 - BL20 CANopen4-262
Process output
Field output data is output from an BL20-E-1SWIRE module to a
field device. The process output data is the data that is transferred
by the PLC via a gateway to the BL20-E-1SWIRE module. The
transfer is carried out in 8-byte format. 4 bits are reserved for each
SWIRE slave. The following information is transferred:
Switch status of contactor coil on/off
The data of SWIRE slave 1 is the data of the first physical slave on
the SWIRE bus. The remaining slaves are assigned in the same way.
The meaning of the data of an SWIRE slave depends on the product
concerned.
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
Byte 0
SWIRE Slave 2 SWIRE Slave 1
Byte 1
SWIRE Slave 4 SWIRE Slave 3
Byte 2
SWIRE Slave 6 SWIRE Slave 6
Byte 3
SWIRE Slave 8 SWIRE Slave 7
Byte 4
SWIRE Slave 10 SWIRE Slave 9
Byte 5
SWIRE Slave 12 SWIRE Slave 11
Byte 6
SWIRE Slave 14 SWIRE Slave 13
Byte 7
SWIRE Slave 16 SWIRE Slave 15
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