System modules
CANaux_Management (node number 111)
13
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EDBCSXA064 EN 3.2
13.11 CANaux_Management (node number 111)
This SB
ƒ serves to activate a reset node to e.g. accept changes in the transfer rate and
addressing.
ƒ serves to process statuses as Communication Error, Bus Off State, etc. in the PLC
program.
ƒ the instant of transmission of CANaux2_OUT and CANaux3_OUT can be influenced.
ƒ serves to monitor the system bus communication.
Note!
ƒ The process image for this SB is created in the course of a fixed system task
(interval: 1 ms).
ƒ Even if this SB has not been assigned to the control configuration, a reset
node can be carried out via C2458.
CANaux_bResetNode_b
CANaux_Management
C2458
CANaux2_OUT
CANaux_bCe12CommErrCanIn2_b
CANaux_ResetNode
CANaux_bTxCan2Synchronized_b
CANaux1_IN
Communication Error
CANaux2_IN
Communication Error
CANaux3_IN
Communication Error
CANaux
Bus Off State
CANaux_bCe11CommErrCanIn1_b
CANaux_bCe13CommErrCanIn3_b
CANaux_bCe14BusOffState_b
CAN_SYNC
CANaux3_OUT
CANaux_bTxCan3Synchronized_b
CAN_SYNC
1
Fig. 13−15 System block "CANaux_Management"
Tip!
More detailed information on the CAN bus can be found in the appendix of
this documentation ( 440).