Lenze DDS System bus CAN for PLC Uživatelský manuál Strana 20

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System bus (CAN) for Lenze PLC devices
General information
2−8
l
PLC−Systembus EN 2.0
Process data channel 2/3: CAN2_IO/CAN3_IO
The SBs CAN2_IO and CAN3_IO are designed for the data exchange of event− or time−controlled
process data among the devices. These SBs can also be used for the data exchange with
decentralised input/output terminals and higher−level host 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 terminal
s
Fig. 2−3 Process data channels 2 and 3 (CAN2_IO/CAN3_IO) for the event− or time−controlled data exchange
Tip!
Detailed information on the CAN1_IO ... CAN3_IO CAN objects integrated in the PLC can be found
in the chapter 7, "CAN system blocks":
CAN1_IO for cyclic process data (sync−controlled)
9300 Servo PLC:
Drive PLC:
ECSxA:
Chapter 7.1(^ 7−1)
Chapter 7.2(^ 7−6)
Chapter 7.3(^ 7−10)
CAN2_IO for event− or time−controlled process data Chapter 7.4(^ 7−14)
CAN3_IO for event− or time−controlled process data Chapter 7.5(^ 7−17)
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