Which low cost PLC should I use


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I have a simple two loop water control system that can have independant run times that can overlap. This system will control a few valves in each loop. What PLC would give me the best value. I may want to do ramp-up and ramp-down with the pressure and at some point try to convert a non-regulated flow to a constant
pressure system using valves as well.
You can purchase a low cost TSX Momentum from Schneider Automation. Programming can be done with a free copy of ProWorx Nxt (25 networks
Check out the Entrelec LOGOtron series 'smart relays'. This line is very inexpensive and one model many feature sufficient I/O for you
application. Very low cost, instant classic ladder interface software, features timers, and realtime clock.