dylan
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Posts posted by dylan
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Hi Joe
i have been trying to connect using one of the modbus drivers that comes with citect 7.3 . im not sure if its compatible with windows 8?
citect forum says it should be compatible, but it just wont connect. i think it must be something im not doing correctly.
dylan
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Hellocan anybody help me .I'm trying to set up comms between citect 7.3 and a Unitronics 570.Do i have to run it between UniOPC and the HMI or can i connect direct..also what address would you label MI 2 for example when compared to MB 2..I have looked at a great video file on the forum already,but im still getting an error on the Scada.i can send a copy of my program if it helps??dylan
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Hi joe
At first i assumed the transducer was unstable, but after discussion with a lecturer and testing with a Druck it has been suggested turbulence is the problem. This is because of the setup of the rig is measuring Air flow. i have fitted a baffle to counter act this and the output is still varying from 1.1 volt to 1.5 volts at a steady input flow . Can i place 2 filters before the linearization and would you expect this to work?
Dylan
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hi there
Just wanting some advice.
I have a pressure transducer fitted to a Venturi tube for my college project.
I have a output range of 0.25 v to 4v output. Only problem being is the output is jumping all over the place, is there a method of using filters to stabilize the output so i can use p.i control.
regards Dylan
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still not working... have loaded 9.6
but now just displays- Run-Time error 70
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hi eyals
thank you so much for the reply, i will have a look and try to correct the problems.
will keep you posted.
dylan
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Hi
Can anybody Help
i'm a student just starting to use the V570,
and i have just a quick question
Can you set an MB to output a mA output to a control valve?
the set up consists of a pressure transducer which inputs a 0.25 - 4 volt input to the plc, then i wish to convert this input to produce an output of 4-20mA which operates a control valve.
I also have a maintenance screen which i want to operate the control valve independently to the input.( i.e. press a button on the h.m.i and open the valve 25%,50%,75% and 100%) is this possible. Picture attached below.
thanks
dylan( S.I.S==Stressed Irish Student ).
Citect Scada numbering
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
Posted
hello
Just a quick question ?
trying to read a MI from V570 on to a Scada program
if you are in scada and want to read MI3 would that be labeled as 00003, (int) because MB3 is 0003. im just wanting to display a running value???
i have read the forum and the webinars .,just can get it to work??
any help would be great
thanks dylan