|Cal Equipment & Polywatt|
|As A joint project with Cal Equipment we re-engineered the control system on an old LeTourneau all electric straddle crane with a distributed Idec PLC system. We removed several hundred pound of old wiring and replaced it with a small RS-485 network between six PLC sub assemblies.|
A blurb AKA white paper.
|One of six PLC sub-assemblies comprising Idec PLC, Solid state relays, power supply, and terminals :|
|The control panel before reconditioning:||After reconditioning:|
|The six PLC units being network bench tested:||Back side view of control panel :|