Delta AS Series Operation Manual page 374

A S S e r i e s O p e r a t i o n M a n u a l
6. Codes displayed in SR825 when the AS Series PLC is the slave:
Code
0
A0
A1
A3
B0
B1
F4
FB
FC
_10
1 0 - 3 0
Indication
Working normally
AS Series PLC is being initialized.
AS Series PLC is pre-operational.
The data are being downloaded to
S
AS eries PLC
Heartbeat message time-out
PDO data length returned from the
slave is not consistent with the
length set in the node list.
BUS-OFF state is detected.
The sending buffer in the AS Series
PLC is full.
The receiving buffer in the AS Series
PLC is full.
How to correct
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
back on.
--
Check if the CANopen bus cable is properly
connected. If the master communication is not
activated, no handling is needed.
Wait to finish downloading the configured data.
Check if the CANopen bus cable is properly
connected.
Reset the PDO data length in the slave and
download the new setting to the AS Series PLC.
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.
Check if the CANopen bus cable is properly
connected and then reboot.
Check if the CANopen bus cable is properly
connected and then reboot.