BL20 - Communication in CANopen
D301087 0308 - BL20 CANopen4-258
Process input
The field input data is transferred from the connected SWIRE-BUS
to the BL20-E-1SWIRE module. The process input data is the data
that is transferred by the BL20-E-1SWIRE module via a gateway to
the PLC. The transfer is carried out in 8-byte format. 4 bits are
reserved for each SWIRE slave.
The following information can be transferred:
Contactor coil on/off
Motor-protective circuit-breaker off or tripped/on
Status of the slave o.k./diagnostics message present input data
The data of SWIRE slave 1 is the data of the first physical slave on
the SWIRE bus. The remaining slaves are assigned in consecutive
order accordingly. 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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