Analog Output command to Control Valve
Dear I am using AO815 & AO895 CARDS ON MY FREELANCE DCS SYSTEM I HAVE COMPLAINS THAT THE CARDS STOPS SOURCING THE CONTROL VALVES AND WHEN YOU TURN OFF THE POWER AND THEN TURN ON THE POWER FROM THE MARSHALLING FUSE IT BEHAVES FINE.
Asked 15 days ago
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0
Greetings,
When the Analog Output card halts, do you get any errors on Hardware Editor?
If yes, could you please share it with us?
When the Analog Output card halts, do you get any errors on Hardware Editor?
If yes, could you please share it with us?
by Dieter Henkel
Sorry, don't get the question. Can you rephrase and give more details please?
by itron Rank: 204 on 5/7/2019 11:18:08 PM | Like (0) | Report
Redundant Freelance Controller AC900F is connected via CI840A to S800 IO Cards, among them are our Analog Output Cards that is AO810\AO815\AO895 & AO890.
The analog output cards are controlling control valves with 4-20mA output.
the control valves stops\halts at a position(for example 40%) and does not varies(change) until we reset the power.
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