Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1601

Processing details
• The station number of the normal, or own, station specified by (U) is set. After station number setting, the completion device
specified by (d) turns on.
[Own station]
CPU module
(s)
• The execution status and the completion status of the UINI instruction can be checked with the completion device (d) and
the completion status indication device (d)+1.
• Completion device (d)
This device turns on during END processing of the scan where the UINI instruction completes, and turns off during the next END processing.
• Completion status indication device (d)+1
This device turns on or off depending on the completion status of the UINI instruction.
When completed successfully: The device remains off.
When completed with an error: The device turns on during END processing of the scan where the UINI instruction completes, and turns off during the next END
processing.
• The following figure shows the UINI instruction execution timing.
Sequence scan 0
UINI instruction
ON
Start contact
OFF
Completion device (d)
OFF
Completion status
OFF
indication device (d)+1
Operation error
Error code Description
((S)+1)
E000H to EFFFH  MELSEC iQ-R CC-Link IE Controller Network User's Manual (Application)
CC-Link IE Controller
Network module
SW0042
UINI
255→2
END 0
Execution of the instruction
END 0 END 0
Completion of
the instruction
OFF
ON
ON
Completed successfully
17 CC-LINK IE CONTROLLER NETWORK INSTRUCTIONS
17.5 Setting the Station Number to Own Station
END 0 END
OFF
Completed with an error
OFF
1 scan
17
1599