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I have this old Siemens S7-400 PLC with a CP-443 comm module, and an AI, AO, DI and DO modules. I have access to TIA software I am just starting to learn PLCs.I have 120V going into the main PS-407 module. How do I get 24V DC to the I/O cards? I do have a separate 24V PS. Do I need to wire the...

Anyone have any experience with these Momentum 170ENT11001 Ethernet TCP/IP communication adapters? I have 20 of these in the field and no way to communicate with them. Can i communicate to these field devices using Modicon M580 PLCs with an NOC301 Ethernet module? Or can it only be accessed...