Checking The Network Status - Mitsubishi Electric MELSEC iQ-R Series User Manual

Checking the network status

Communications are performed normally if the status of LEDs and bits corresponding to the relevant buffer memory areas are
as follows after the program execution.
• LED on DP-Master
Name
RUN LED
ERR LED
BF LED
• Bit corresponding to buffer memory area of DP-Master
Name
'Slave status area (Normal communication detection)' (Un\G23040.0 to
Un\G23040.2)
'Slave status area (Diagnostic information detection)' (Un\G23057.0 to
Un\G23057.2)
Status
On
Off
Off
Status
ON
OFF
7 COMMUNICATION EXAMPLE
7.1 Communication example of I/O data exchanges
7
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