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COMPLETE OVERVIEW OF ADVANCE DCS SYSTEM
What Does DCS mean?
Distributed Control System (DCS). It is the department that deals with the electronics control boards which are processing & transmitting the control signals from the field to the operator& vice versa.
As we know that the signal which is coming from the transmitter needs to go through many boards to process it before it goes to the CP & to the operator & back to the field. These boards need maintenance & also need to be changed if they burned or defected. Sometimes we need to connect new distributed control loops to control new valves or pumps for example. Sometimes these boards needs only resetting or managing the software by using computer. All these work mention before is done by the DCS technician. This is the way of the work in the DCS department.
Type of DCS Hardware Unit
This section lists the most important DCS hardware equipments. It describes their functions, locations and specifications.
Most of the critical DCS equipments have two pairs, the primary and second is the backup. If the primary fails the backup will take over. This is referred to as Fault Tolerant (FT).
Most of the critical DCS equipments have two pairs, the primary and second is the backup. If the primary fails the backup will take over. This is referred to as Fault Tolerant (FT).
The following equipments are example of some of the units used in the company and are considered critical and any failure will cause a great impact on the process.
1. Unit Control Module (UCM).
2. Universal Field Multiplexer (UFM).
3. Field Input Output (FIO).
4. Universal Input Output (UIO).
5. Field Bus Module (FBM 100 SERIES).
Before explaining these units I would like to show some information
About some important cards and stations which are used in these units: