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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Posted: 2023-09-17 10:50 PM
Hi,
PT100 is not supported through M17x .
The TM17x Series support only Temp probes with higher resistence values.
Like PT1000 NTC (20kOhm) or PTC.
I would suggest you use one of these Types.
If a PT100 is mandotory for you. Please check the Harmony Analog converters from Schneider Electric.
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Posted: 2023-09-21 10:03 AM
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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Posted: 2023-09-25 10:48 PM
Hi, yes use the red one to connect the converter
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