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Control Features
The PLC based unit is designed to provide control of Pressure, Water Level, Discharge and operation of
Blow-down function and of all Alarm limits of SPIRAX SARCO indirect steam generators.
The control unit is equipped with a video interface displaying screens with graphics of the generator and
also selective parts, e.g. error and functional messages, etc.
Set point values can be displayed and modied during operation using functional keys.
Two LED’s respectively indicate the RUN status of the program (Green light) and the presence of one alarm
at least (Red light). The control unit enables the setting of all operating parameters by means of different
display screens. The PLC also provides a visual alarm signal.
In addition to the automation of a single generator, the system allows the achievement of computerized
networks with PC’s, PLC’s and microprocessor based systems thus permitting a high level of integration
among automation systems applied to the various units present in the plant. The supervision system can
be considered in terms of visualization of data relevant to equipment, conguration and production control.
The control unit is equipped with a main power switch and is housed in a metal cabinet with protection degree
IP54 and with dimensions of 700x500x250mm.
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