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how to program the display of flow rate using a pulse output of a mass flowmeter KROHNE

Created by: FRS2010 at: 11/28/2011 3:27 PM (19 Replies)

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11/28/2011 3:27 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	Hello I tryto programthe display offlow rateusingapulse outputof amass flowmeterKROHNEbuteach timethe results aredifferent from thoseshownin the flow meter.the scaleused is0-36000kg/ h.someonecansend methe program andthe ideal configurationof thepulsein the flow meter
FRS2010 Posts: 12 Rating: (0)
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11/28/2011 3:34 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, To help you a bit futher whe need to know the hardware you use, type of flowmeter,plc, countercard if not buildin plc, etc. Regards, Marcjan
	Last edited by: Marcjan at: 11/28/2011 3:35 PM Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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11/28/2011 3:45 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	type of flowmeter OPTIMASS 7000 (KROHNE)
FRS2010 Posts: 12 Rating: (0)
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11/28/2011 3:48 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	PLC : S7400
FRS2010 Posts: 12 Rating: (0)
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11/28/2011 3:59 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, So you have a countermodule or are you counting with normal inputs? If the second case through it could be you are missing pulses, how fast are the pulses from flowmeter? 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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11/28/2011 4:11 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	I useanormal logicinput.I receivethe pulses of theflowmeter,but the end resultis always wrong, Ichange the configurationof thepulse (thepulse duration), but withoutsuccess best regards
FRS2010 Posts: 12 Rating: (0)
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11/29/2011 2:12 AM	Rate (0)
paul_wh Posts: 23 Rating: (0)	How are you trying to calculate the flow rate? Are you timingthe duration between pulses and converting that to a rate?
paul_wh Posts: 23 Rating: (0)	Last edited by: paul_wh at: 11/29/2011 2:13 AM
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11/29/2011 12:11 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	Hello they joined the program used regards Attachment PROGRAMM.pdf (775 Downloads)
FRS2010 Posts: 12 Rating: (0)
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11/29/2011 3:26 PM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (707)	Hello, This function needs a steady timebase, are you calling it in a cyclic interupt? This marker 5.0. how is it generated ? 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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11/29/2011 3:34 PM	Rate (0)
FRS2010 Posts: 12 Rating: (0)	50ms ispulse durationprogrammed intothe flowmeter
FRS2010 Posts: 12 Rating: (0)
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