Example Of Checking Connection - Omron G9SP-N20S Network Connection Manual

6.3. Example of Checking Connection

This connection example uses the ladder program for network connection. For details on the
ladder program, refer to 9. Project File.
The Controller and Safety Controller send and receive a message of Monitor I/O. The
following figure shows the outline of the operation.
CPU
User memory
Ladder program
SerialSend
instruction
Executing SerialSend instruction
Monitoring I/O
G9SP_
Send data
Comma
Setting area
ndData
SerialRcv
instruction
Executing SerialRcv instruction
Monitoring I/O
G9SP_
Receive data
Respon
Storage area
seData
6. Serial Communications Settings
Serial RS-232C
Communications
Unit
Send data
Sending/receiving serial
communication command
Monitoring I/O
Receive data
Safety Controller
8