Lenze Drive PLC - Page 17

System bus (CAN) with Ser vo 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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