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APPENDICES
Appendix 1
The following describes I/O signals for the CPU module of the master/local module in detail. The I/O numbers in
Appendix 1 are shown based on a start I/O number setting of 0 for the master/local module.
Appendix 1.1
This is a signal that confirms the status of the master/local module.
• OFF: Module normal
• ON: Module failure
Appendix 1.2
This is a signal that confirms the own station's data link status.
• OFF: Data link stop
• ON: Data link in progress
Data link status (own station) (SB0049) has the same signal, but when using it in a program, use either X1 or SB0049
only. Also note that the on/off conditions for X1 and SB0049 are reversed.
When an error occurs, the cause of the fault can be checked by CC-Link IE Field Network diagnostics or Cause of data
link stop (SW0049).
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Details of I/O Signals
Module failure (X0)
Module failure (X0)
Module READY (XF)
Power-on
Own station data link status (X1)
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Troubleshooting
