IDEC SmartAXIS FT9Z-1A01 User Manual page 351

Troubleshooting Diagrams
When one of the following problems is encountered, see the following trouble shooting diagrams:
The power is not on.
Operation has not started.
An error has occurred.
Input does not operate normally.
Output does not operate normally.
Communication between WindLDR on a computer and the SmartAXIS is not possible.
Cannot stop or reset operation.
Watchdog timer error occurs and the CPU does not run.
The interrupt/catch input cannot receive short pulses.
Frequency measurement does not work.
Data is not transmitted at all in the user communication mode. (24-, 40-, 48-I/O types only)
Data is not transmitted correctly in the user communication mode. (24-, 40-, 48-I/O types only)
Data is not received at all in the user communication mode. (24-, 40-, 48-I/O types only)
Data is not received correctly in the user communication mode. (24-, 40-, 48-I/O types only)
Modbus master communication does not work. (24-, 40-, 48-I/O types only)
Long communication cycle for Modbus RTU master communication or Modbus TCP client communication.
(24-, 40-, 48-I/O types only)
WindLDR and the SmartAXIS cannot communicate.
WindLDR does not communicate with PLC via USB.
Modbus master communication request is slow.
Remote I/O Communication is not possible between the Remote I/O master and slaves.
Problem
S A XI S P / L U '
M AR T R O I TE SER S
M FT9Y-B 1378
ANUAL
14 : T
R OUBLESHOOTI N G
Troubleshooting
Diagram
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