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

4.3

Checking the Network Status

After execution of the program, if the LEDs and corresponding bits of each IO device in buffer memory areas are in the
following condition, the communications are normally performed.
For the program, refer to the following.
Page 113 Program Example of the Data Consistency Function
Page 117 Program Example of the Service Interface Function
Page 119 Program Example of the Alarm Acquisition Function
• LEDs of the RJ71PN92
LED
RUN
ERR
PN RUN
PN ERR
• Corresponding bits of each IO device in buffer memory areas
Name
'IO device communication status' (Un\G17153 to Un\G17160)
'IO device error' (Un\G17161 to Un\G17168)
4 PROGRAMMING
112
4.3 Checking the Network Status
Status
On
Off
On
Off
Status
ON
OFF