Checking The Network Status - Mitsubishi Electric RJ71PN92 User Manual

Checking the network status

Check whether the RJ71PN92 and IO device communicate with each other normally.
Communications are performed normally if the status of LEDs and corresponding bits of each IO device in buffer memory
areas are as follows after the program execution.
For the program, refer to the following.
Page 35 Program example for data exchange
• 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)
7 COMMUNICATION EXAMPLE
34
7.1 Communication Example of the RJ71PN92 and an IO Device
Status
On
Off
On
Off
Status
On
Off