Lynn's Industrial Automation Protocol Tips
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The information on this web page is either Lynn's opinion or something Lynn agrees with. He has complete control over its contents. Nothing contained within this pages is approved by or represents the opinion of Digi International, The Modbus Organization, the Modbus-IDA Group, ODVA, or any other organization Lynn is associated with.

Lynn's Test PLC

I am building a test panel of small PLC to regression test my coding on common small PLC serial protocols. Currently the panel is "manual", meaning I need to change cables by hand, but someone just gave me an old Mitsubishi PLC with 40 relay outputs so I plan to automate the PLC-to-DigiOneIA-RP selection. This way my python regression scripts can automatically select WHICH PLC is attached to the Unit-Under-Test.

Model: Protocol: Port Settings:
SE/Momentum M1 Modbus/RTU 9600,8,E,1
SE/Momentum M1E Modbus/TCP
AB/uLgx 1200 DF1 Full-Duplex 9600,8,N,1,CRC
S7-224 PPI 9600,8,N,1
AB/Pico ??? ???
Omron/CJ1M-CPU12 HostLink 9600,7,E,2
Mitz/FX1s-100MR FX ???