AutomationDirect's FC-11 signal conditioner
FC-11 is a 4-20 mA input/output signal conditioner with 1,500 Vdc isolation between input and output. It has a user-selectable factory calibration. The output is also calibrated with offset (zero) and span (full-scale) adjustments with an adjustment range of ±2% of full scale. The device eliminates ground loops or sinking/sourcing issues when interfacing to PLC analog input modules.