AS Series Operation Manual
6. Codes displayed in SR825 when the AS Series PLC is the slave:
0 Working normally
N/A
Note: When the heartbeat alam function is not
activated, if the connection is normal before a
disconnection occurs, the code for the slave will
still be working normally after the connection is
AS Series PLC is being initialized.
A1 AS Series PLC is pre-operational.
Check if the CANopen bus cable is properly
connected. If the master communication is not
activated, no handling is needed.
A3
The data are being downloaded to
Wait to finish downloading the configured data.
B0 Heartbeat message time-out
Check if the CANopen bus cable is properly
B1
PDO data length returned from the
slave is not consistent with the
length set in the node list.
Reset the PDO data length in the slave and
download the new setting to the AS
Series PLC.
F4 BUS-OFF state is detected.
Check if the CANopen bus cables are properly
connected and ensure that all the node devices run
at the same baud rate before you reboot.
FB
The sending buffer in the AS Series
Check if the CANopen bus cable is properly
connected and then reboot.
FC
The receiving buffer in the AS Series
Check if the CANopen bus cable is properly
connected and then reboot.
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