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Ash produced by coal power plants
is usually classified as “fly ash” and “bottom ash”, which
are treated by DCS or PLC. Doosan supplies all types of control
systems for ash handling. |
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| - Structure
and Characteristics of an Automatic Control System |
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• Control signals from
the field measurement system (Instrumentation), drive
unit
(Motor, MOV) and valves are transferred to a PLC through
communication cables,
and the process operation is performed by control logic.
Various measurements of the field systems, valve condition
(open/close) and
pump
status (run/off) are displayed by the MMI program upon
a PC provided for
user
interface, and all the displays can be controlled with
simple mouse clicks. |
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| - Standards |
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• KS, ANSI, NEMA, EIA,
etc… |
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