2015年5月6日星期三

PLC analog input and output module


Q: now need to add equipment such as temperature measurement system, there are two analog modules PLC, 8*12BIT and AI were AI 8*TC, two plc analog input output module . I am alsoJust contact this thing, cannot read what is the meaning of. Please explain.

A: depends on your temperature element type, TC this is only if the thermocouple, thermal resistance can not.
Of course, you can choose a set of temperature transmitter parameters, converting the thermocouple and thermal resistance signal for 4~20mA, communication module plc and then to the general AI module You can.


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