What is the stipulated current value of the DCV/TC input module?

There is no strict specification for the input current value of DCV/TC INPUT, but the current value can be determined from the following specification.

DCV/TC INPUT specification

  • Max input voltage: V
    • 2 VDC range, thermocouple, RTD: ±10 VDC
    • 6 VDC range or higher: ±60 VDC
  • Input resistance: R
    • DC voltage 2 V range or less, or with thermocouples: 10 MΩ or higher
    • DC voltage 6 V range or higher: Approx. 1 MΩ

Thus, the current value is (per Ohm's law, I=V/R)

  • 2 V range or less, or with thermocouples: ±1 µA or less
  • 6 V range or higher: Approx. ±60 µA

Be sure to check whether 60 µA or more is flowing, as this could damage the input module.

 

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