Instruction Manual
Table Of Contents
- System bus (CAN) for Lenze PLC devices
- This documentation is valid for ...
- Contents
- 1 Preface and general information
- 2 General information on the system bus (CAN)
- 2.1 Introduction
- 2.2 Interfaces of the Lenze PLCs for system bus connection
- 2.3 Identification of the nodes
- 2.4 Structure of the CAN telegram
- 2.5 Network management (NMT)
- 2.6 Transmission of process data
- 2.7 Transmitting parameter data
- 2.8 Free CAN objects
- 2.9 Application recommendations for the different CAN objects
- 2.10 Monitoring mechanisms
- 3 Configuration (system bus - CAN interface)
- 3.1 CAN baud rate
- 3.2 CAN boot-up
- 3.3 Node address (node ID)
- 3.4 Identifiers of the process data objects
- 3.5 Cycle time (CAN2_OUT/CAN3_OUT)
- 3.6 Delay time (CAN2_OUT/CAN3_OUT)
- 3.7 Synchronisation
- 3.8 Reset node
- 3.9 System bus management
- 3.10 Mapping indexes to codes
- 3.11 Remote parameterisation (gateway function)
- 3.12 Monitoring processes
- 3.13 Diagnostics
- 4 Configuration (AIF interface)
- 5 Configuration (FIF interface)
- 6 Configuration (CAN-AUX system bus interface)
- 7 CAN system blocks
- 8 FIF-CAN system blocks (only Drive PLC)
- 9 CAN-AUX system blocks (only ECSxA)
- 10 LenzeCanDrv.lib function library
- 10.1 Overview
- 10.2 Version identifiers of the function library
- 10.3 L_CanInit - initialising the CAN driver
- 10.4 L_CanClose - deactivating the CAN driver
- 10.5 L_CanGetStatus - querying the driver status
- 10.6 L_CanGetRelocCobId - querying the COB-ID range
- 10.7 L_CanPdoTransmit - transmitting a CAN object
- 10.8 L_CanPdoReceive - receiving a CAN object
- 11 LenzeCanDSxDrv.libfunction library
- 11.1 Overview
- 11.2 Version identifiers of the function library
- 11.3 L_CanDSxInitIndexCode - Configuration of index mapping
- 11.4 L_CanDSxOpen - initialising the CanDSx driver
- 11.5 L_CanDSxClose - deactivating the index mapping
- 11.6 L_CanDSxOpenHeartBeat - initialising a "Heartbeat"
- 11.7 L_CanDSxHeartBeat - carrying out a "Heartbeat"
- 11.8 L_CanDSxCloseHeartBeat - deactivating the "Heartbeat"
- 11.9 L_CanDSxOpenNodeGuarding - initialising the "Node Guarding"
- 11.10 L_CanDSxNodeGuarding - carrying out a "Node guarding"
- 11.11 L_CanDSxCloseNodeGuarding - deactivating the "Node Guarding"
- 12 Index

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)