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- 27 Feb 2019, 23:32
- Forum: Hardware
- Topic: use of AIO for 4...20mA transmitters
- Replies: 1
- Views: 4661
use of AIO for 4...20mA transmitters
Hi, I'm Igor and I'm pretty new in this world. I have connected a 2-wire 4...20mA transmitter to an analogue input (28,26,24). Nothing was coming out, after lots of research, I have found out that the analogue inputs of the Revpi AIO are passive, therefore the transmitter needs an external supply. I...