conversion characteristics and plc analog io modules between

plc analog io modules suitable for connecting analog sensors and actuators. 

plc analog io modules features: 

4 inputs, 2 outputs 

6ES7 334-smart plc analog input (4 RTD) / analog output (2-way) 

communication module plc 334-0CE01-0AA0 analog input (4) / analog outputs (2-way) 

Analog input / output modules convert: 

The conversion of analog signals to digital values ​​required PLC 

The PLC of the process of converting the digital signal to analog signals required.