I will use the analog current input module. Can I input a single input signal to two CHs of the module simultaneously (in parallel) to use them?

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  • GLOBAL > PLC > SPH > I/O > I will use the analog current input module. Can I input a single input signal to two CHs of the module simultaneously (in parallel) to use them?
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  • Displayed Date : 2023/04/25 19:00
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I will use the analog current input module. Can I input a single input signal to two CHs of the module simultaneously (in parallel) to use them?

I will use the analog current input module. Can I input a single input signal to two CHs of the module simultaneously (in parallel) to use them?
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Answer

No, you can't.
The relationship between i, which is the sensor output current, and i1 and i2, which are the CH input currents of the PLC, is expressed as i = i1 + i2. The values of i1 and i2 are not the same due to the variation between parts so that it is impossible to input a proper value.

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