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Sending analog signal from a machine to buidling management system

Created by: Nami847 at: 6/1/2022 4:37 PM (3 Replies)

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6/1/2022 4:37 PM	Rate (0)
Nami847 Member Joined: 6/1/2022 Last visit: 6/21/2022 Posts: 2 Rating: (0)	Hello All, I would like to send a 4-20mA analog signal from S7-1500 PLC of a machine to the building management system. Do I need a signal isolator or can it be connected directly? What other possibilities do I have? Regards

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6/2/2022 7:34 AM	Rate (0)
CaOd Platinum Expert Joined: 5/6/2010 Last visit: 1/12/2025 Posts: 2006 Rating: (283)	Hello, in my opinion is the best way you connect your building managment system via a signal conditioner with your PLC. You have no trouble with different potentials, like Gorund etc. Here is a example for a conditioner: Signal conditioner - MINI MCR-2-I-I-PT - 2901999 Hope this is helpful. regards CaOd

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This contribution was helpful to 2 thankful Users Nami847 BoletusEdulis

6/2/2022 9:03 AM	Rate (0)
Nami847 Member Joined: 6/1/2022 Last visit: 6/21/2022 Posts: 2 Rating: (0)	Thank you for the reply. Does the signal deteriorate with the distance between the two PLCs? Regards

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6/2/2022 2:48 PM	Rate (0)
mopS04 Platinum Expert Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1054)	Nami847 Thank you for the reply. Does the signal deteriorate with the distance between the two PLCs? yes, usually there is a point in the technical data of the device, what length the wires or cables are allowed to have. regards,
	FCK WAR! Be nice!
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