Answer / rajendra singh

In DCS 4 TYPES OF SIGNAL IS USED

1) AI - ANALOG INPUT THIS FEED BACK SIGNAL FORM (4 - 20 mA)
2) AO - ANALOG OUTPUT COMMAND GIVEN FROM DCS (4 - 20 mA)
3) DI - DIGITAL INPUT (FEED BACK 0 OR 1, HIGH OR LOW)
4) DO - DIGITAL OUTPUT (PICK UP THE RELAY 0 OR 1, HIGH OR
LOW COMMAND GIVEN FROM DCS)

Answer / ashish khatana

1) AI - ANALOG INPUT THIS FEED BACK SIGNAL FORM (4 - 20 mA)
2) AO - ANALOG OUTPUT COMMAND GIVEN FROM DCS (4 - 20 mA)
3) DI - DIGITAL INPUT (FEED BACK 0 OR 1, HIGH OR LOW)
4) DO - DIGITAL OUTPUT (PICK UP THE RELAY 0 OR 1, HIGH OR
LOW COMMAND GIVEN FROM DCS)
5) T/C INPUT- FOTR THERMOCOUPLE
6) RTD INPUT- FOR RTD
7) THIRD PARTY COMMUNICATION- LIKE PLC INPUT OUTPUT,
CONTROLLER INPUT OUTPUT (IT IS DIFFERENET FOR DIFFERENT DCS)

Answer / khurshidmallick0786@gmail.com

Khurshidmallick0786@gmail.com

Answer / farhan

Dcs  under  stand  just 1 to  5  volts  therefore 1---5volts enters in  it.there  is  a  currernt  to  volt  converter available  in  dcs.

Gas equation

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Hi all, I am Mohamed from Algeria, I'm a senior Technician qualified in instrumentation. I work in an international petroleum and gas company (SONATRACH: Separation of associated gas from crude oil. Production of condensate, LPG and re-injection of dry gas) within the regulation & Control instrumentation department.I am interested for working in Qatar Petrochemical Company (QAPCO) in Qatar.Now,I am seeking a position, which is an opportunity for me to put my experience to good use and actually participate in running on this company. So, Can anyone help how to contact this company? Thanks Mohamed, mahad8331@gmail.com

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