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Potentiometer usage with S7 300 I/O

Created by: Lucky123 at: 4/20/2012 1:41 PM (7 Replies)

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4/20/2012 1:41 PM	Rate (0)
Lucky123 Gold Member Joined: 12/20/2008 Last visit: 8/12/2024 Posts: 556 Rating: (236)	Dear Friends, Please do let me know, how many potentiometer(3 wire) I can use with S7300 Hardware, is it possible to use the 8 potentiometer with Analog input module and then use the internal voltage of the module to drive the pots? Thanks

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4/20/2012 1:57 PM	Rate (0)
RAJKIRAN Silver Member Joined: 8/18/2009 Last visit: 6/17/2024 Posts: 548 Rating: (33)	Dear Lucky123, Do you want maximum how Potentiometer connected to one AI Module or one CPU 300.. Please clerify.. one potentiometer connection like one AI Input....3 wire Analog Input has to be wired as a 4 wire A/I so you required 4-wire compatible Analog module.... also Max. 8 Channel Analog I/P module is availabel for S7-300....so Max. 8 Potentiometer you can connected to one moduel..
	Last edited by: RAJKIRAN at: 4/20/2012 2:06 PM Rajkiran Patil
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4/20/2012 2:09 PM	Rate (0)
Lucky123 Gold Member Joined: 12/20/2008 Last visit: 8/12/2024 Posts: 556 Rating: (236)	I want one AI module to have 8 pots for simulation. Is it possible if the AI can have the power generated from the AI module, or Do I have to provide extra power supply, is there any circuit available for that?

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4/20/2012 2:36 PM	Rate (0)
RAJKIRAN Silver Member Joined: 8/18/2009 Last visit: 6/17/2024 Posts: 548 Rating: (33)	I think..you required external power supply for your potentiometer to send voltage or current signal to AI module .....because AI module require 1-5V,4-20ma signal from I/P.
	Rajkiran Patil
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4/20/2012 2:43 PM	Rate (0)
Lucky123 Gold Member Joined: 12/20/2008 Last visit: 8/12/2024 Posts: 556 Rating: (236)	RAJKIRAN I think..you required external power supply for your potentiometer to send voltage or current signal to AI module .....because AI module require 1-5V,4-20ma signal from I/P. Do you have any Circuit for the same?

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4/20/2012 2:55 PM	Rate (0)
BeVee Gold Member Joined: 7/18/2011 Last visit: 10/9/2023 Posts: 521 Rating: (91)	Hi Lucky123, I found this FAQ for you. Kind regards, BV

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4/20/2012 2:58 PM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 2/19/2024 Posts: 726 Rating: (71)	Hi This connection is in reference to 7kf02 and 1kf02 Connect the one end of pot to terminal M+ of the channel concerned. Connect another end of pot to terminal M- of the channel. Then terminals S- and M- of the connected channel are connected to each other. Better see the attached file. Attachment POT.jpg (493 Downloads)

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3/2/2017 1:50 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4767 Rating: (123)	New question published by Jomxyvic is split to a separate thread with the subject Speedcontrol with potentiometer. Best regards Min_Moderator

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