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M172 PT100 Analog Input
HVAC and Pumping Forum
Support Forum for HVAC and pumping machines, Modicon M17x and EcoStruxure Machine Expert HVAC software for chillers, AHU, CRAC units for datacenters or process chillers applications - from design, implementation to troubleshooting and more, by Schneider Electric.
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Hello,
I want to connect PT 100, 3 wire to M172. Pls, help me configure AI and make an analog input register that can read from the Modbus pool. Many thanks
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Hi,
I use the transmitter PT100 converter to output 4-20mA. (code: Seneca K120 RTD)
But the transmitter has no power supply. That means it must be connected to the PLC-type passive.
Please tell me how to connect the 4-20mA passive type to PLC M172. If yes, help me clear the blue area is a 4-20mA active type connection. The red area is a 4-20mA passive type, right?
Thanks,
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Hi, yes use the red one to connect the converter
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