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load cell and plc

Created by: ni lar at: 5/29/2012 1:45 PM (3 Replies)

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5/29/2012 1:45 PM	Rate (0)
ni lar Posts: 39 Rating: (0)	Dear Friends, I am using Mettler Toledo Load Cell and siemens analog module 8AI x 12 bit. The load cell it's own display. But I cannot get the same weight valve in PLC. For example , load cell display shows 500kg. but PLC shows 320kg. I do not know how to do already. So if anyone know, pls advise me, Thanks. Best Regards
ni lar Posts: 39 Rating: (0)
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5/29/2012 1:58 PM	Rate (0)
Marko Bursic Platinum Member Joined: 9/8/2009 Last visit: 3/15/2023 Posts: 1410 Rating: (148)	apparently you don't have the right scaling of analog input, my suggestion is to measure analog output of scale ampifier and see if coresponding measurment on AI are equal. If so then find right scaling coeficients.

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5/29/2012 2:05 PM	Rate (0)
AMAZINGAHMED Gold Member Joined: 8/27/2006 Last visit: 6/6/2023 Posts: 718 Rating: (87)	If the scale has 0Kg, what is the reading for the PLC??
	The more you know, The more you know that you don't know
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5/29/2012 7:33 PM	Rate (0)
ALGUDKAR RAO Posts: 621 Rating: (9)	AMAZINGAHMED If the scale has 0Kg, what is the reading for the PLC?? hello Amazingahmed. as suggest marko bursicanalog output scaling and make sure the use comparism instruction regards algudkar
ALGUDKAR RAO Posts: 621 Rating: (9)
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