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20.3 ERROR MESSAGE AND SYSTEM ALARM
20.3.2 List of Error Message/System Alarm
*1 When an error occurs, "FFH" is stored to the channel No.
851
Abnormal cyclic
transmission status
1. Check if terminating resistors are connected.
2. Check error codes for the PLC CPU.
3. Check the parameter for the PLC CPU on the master
station.
4. Check the error status of the master station.
5. Refer to explanations of SB006E on the applicable
network manual.
852 Abnormal host line status
1. Check if the cable is unplugged or not.
2. Refer to explanations of SB0090 on the applicable
network manual.
853 Transient error
1. Check the transient error occurrence status for each
station stored in SW0094 to SW0097.
2. Refer to explanations of SB0094.
Error
code
Error message Action
Channel
No.
storage
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