System bus (can) for lenze plc devices, General information – Lenze DDS System bus CAN for PLC User Manual

Page 20

Advertising
background image

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 terminals

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)

Advertising