Lenze DDS System bus CAN for PLC Manual de usuario Pagina 42

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System bus (CAN) for Lenze PLC devices
"CAN" system bus interface configuration
3−8
l
PLC−Systembus EN 2.0
3.8 Reset node
Changes with regard to the CAN baud rate, the node addresses and the identifiers only are accepted
after a reset node.
A reset node can be effected by
· Reconnection of the mains
· Reset node command via NMT command. (^ 2−6)
· Reset node command via the CAN_Management SB (^ 7−20)
· Reset node via C0358:
Code LCD
Possible settings
Information
Lenze Selection
C0358 Reset node 0 0 No function
1 CAN reset node
Reset node
3.9 System bus management
Via the CAN_Management SB,
· a reset node can be activated.
· "Communication error" and "Bus off state" can be processed in the PLC program.
· the instant of transmission of CAN2_OUT and CAN3_OUT can be influenced.
Tip!
Detailed information on the CAN_Management SB can be found in chapter 7.6. (^ 7−20)
3.10 Mapping indexes to codes
The operating system as of V6.0 of the Lenze PLCs contains a specific CanDSx driver which can be
activated using the functions of the LenzeCanDSxDrv.lib function library.
(^ 11−1)
By means of this driver indexes within the PLC can be assigned to another code as the one which
is automatically allocated.
Notes!
· Each Lenze code is fixedly assigned to an index via the following formula:
Index = 5FFF
hex
− code
Index = 24575
dec
− code
· The function of the CanDSx driver only is limited to the system bus (CAN).
For the second FIF−CAN channel provided for the drive PLC, the CanDSx driver cannot be
used!
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