sparkinite
New Member
I use two pH transmitters as inputs to my PLC system for controlling pH in two tanks. The two transmitters are two-wire transmitter with automatic temperature compensation. They share one 24VDC power supply. Although they are great when wired to the system alone. But when the other one is wire up to the PLC system, there is serious interference between the two transmitters: neither gives reasonable reading for standard solutions.
Please help me on removing the interference.
Thanks a lot.