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IoT2040 Analog Input problem

1/24/2022 1:02 PM	Rate (0)
jmonzon Posts: 48 Rating: (0)	Hi everyone, I'm using a IoT2040 with the example image (node red v1.2.1) with the input/output module. I want to get data from a sensor with 4-20 mA output. By default, this node red version comes with "intel-gpio" nodes. The documentation of the module explain that for I0 port the node port is A1, but all I get are values from 0 to 3 with no sense (the variations of the sensor doesn't affect the output values). What can cause this error? Are other nodes more suitable for this problem? Thanks in advance!
jmonzon Posts: 48 Rating: (0)
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1/24/2022 2:51 PM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, did you change the position of the jumper mentioned in the manual of the I/O shield? Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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1/25/2022 7:34 AM	Rate (0)
jmonzon Posts: 48 Rating: (0)	Yes! I did some research before creating this topic and this is something I`ve checked before
jmonzon Posts: 48 Rating: (0)
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1/25/2022 8:40 AM	Rate (1)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, okay. Because without this jumper the AIs are not working. How did you connect the sensor? Are you sure the cable are connected properly? Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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This contribution was helpful to 1 thankful Users jmonzon

1/25/2022 11:42 AM	Rate (0)
jmonzon Posts: 48 Rating: (0)	Thank you very much! The problem is that two wires have been swapped... I misunderstood the sensor manual.
jmonzon Posts: 48 Rating: (0)
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This contribution was helpful to 1 thankful Users bergmanu

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