System bus (CAN) with Servo PLC & Drive PLC
General information
2-7
l
PLC-Systembus EN 1.1
Process data channel 2/ 3: CAN2_IO/ CAN3_IO
The
CAN2_IO
and
CAN3_IO
SBs are used to exchange event or time-controlled process data
between the devices. These SBs can also be used for data exchange with decentralised
input/output terminals and higher-level control systems.
Event-controlled process data
Process data channel 2
CAN2_OUT
CAN2_IN
Event-controlled process data
Process data channel 3
CAN2_IN
CAN2_OUT
CAN3_OUT
CAN3_IN
CAN3_IN
CAN3_OUT
e.g. decentralised terminals
Fig. 2-3
Process data channels 2 and 3 (CAN2_IO/CAN3_IO) for event or time-controlled data exchange
Tip!
Detailed information about the CAN1_IO ... CAN3_IO CAN objects can be found in chapter 6,
“ System blocks” :
CAN1_IO
for cyclic process data (Sync-controlled)
9300 Servo PLC:
Drive PLC:
Chapter 6.1 (
6-1 )
Chapter 6.2 (
6-6 )
CAN2_IO
for event or time-controlled process data
Chapter 6.3 (
6-10 )
CAN3_IO
for event or time-controlled process data
Chapter 6.4 (
6-14 )
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