Lenze ECSCAxxx - Manual (Page 280)

System modules
CAN_Management (node number 101)
Status messages
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280 EDBCSXA064 EN 3.2
13.6.5 Status messages
The SB CAN_Management provides different status messages which can be processed in
the PLC program:
Identifiers Information
CAN_bCe1CommErrCanIn1_b TRUE CAN1_IN communication error
CAN_bCe2CommErrCanIn1_b TRUE CAN2_IN communication error
CAN_bCe3CommErrCanIn1_b TRUE CAN3_IN communication error
CAN_bCe4BusOffState_b TRUE CAN bus "Off State" detected (CAN bus interface X4)
CAN_bFreePdoTxBufferOverflow
_b Free CAN objects
TRUE Overflow of the transmit request memory
CAN_bFreePdoRxOverflow_b Free CAN objects
TRUE Overflow of the receipt memory
CAN_bOverrunLifeTime_b CAN monitoring mechanism "Node Guarding"
TRUE "Life Guarding Event":
The controller configured as CAN slave does not receive a "Node
Guarding" telegram with the "Node Life Time" from the CAN
master.
CAN_byNodeAddress 1 ... 63 Node address (CAN bus interface X4)
CAN_byState CAN bus operating status (CAN bus interface X4)
1 Operational
2 Pre−Operational
3 Warning
4 Bus off