Developing a portable wireless 4-20ma transmitter units-The MP420 and the MP44-20 can run on 9 to 30vdc -can a 12 VDC battery source be used to power the MP4-20 and a 4-20ma transducer. Can a MP44-20 run on a 12VDC battery-can the same power source be used to connect up to (3) 4-20ma transducers- will diodes be required in the power lines to stop interference between transduce inputs.
i will recombed going with MP420 only.
Yes, MP420 can power the source and all 3 MP420 can be on same power bus.