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Analog Input, change measurement type greyed out

Created by: Kile at: 3/26/2014 9:00 AM (3 Replies)

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3/26/2014 9:00 AM	Rate (0)
Kile Posts: 9 Rating: (0)	Hello I have a 2-wire 4-20mA input on my Analog Input channels 0 and 1. But the measurement type is set to Voltage, and I can't change it to amps. How can I change it? Cheers Attachment 5.jpg (395 Downloads)
Kile Posts: 9 Rating: (0)
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3/26/2014 9:07 AM	Rate (2)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, You cant change it, the onboard AI is only 0-10V. Technical data CPU Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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3/26/2014 9:34 AM	Rate (0)
Kile Posts: 9 Rating: (0)	Oh, ok. Thanks.
Kile Posts: 9 Rating: (0)
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3/26/2014 9:51 AM	Rate (2)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, you can use a external power supply and a 500 ohm resistor to connect your sensor. That will result in a 2-10 v signal. See picture attached. Regards, Marcjan Attachment 2_wire_0-10V.JPG (471 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 1 thankful Users Kile

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