|
Dispatching point is supplyed with computer, registration and communication with CHP facilities.
Communication with CHP is realized through:
- detached or switched telephone channel by any certificated modems,
- GSM modems, for example Siemens company ТС 35 Т modems,
- GPRS modems (fast data transmission), for example Siemens company МС 35 Т terminal,
- radio channels.
Data is transmitted in various ways:
- in seted time lags: current information is transmitted by controllers initiative,
- at any moment: current information is transmitted by dispatcher initiative,
- information is stored in controller database and then transmitted in one communication session in night time (while tariffs are cheap and net loading is low),
- data on emergency conditions is transmitted immediately by CHP controllers initiative.
Provided functions:
- The equipment condition and the monitored and controled parameters values representation in the form of mnemonic diagrams, tables and graphs;
- Alarm signaling;
- Data storage, historical data representation in the form of tables and graphs;
- Data registration, report forming.
Software
Software of dispatching point is based on open SCADA system Nova Pro Open (Sauter company), contains
- CHP condition visualization means,
- alarms processing and representation,
- data archive support,
- graphical representation,
- report generation,
- application software creation.
System supports up to 65000 channels, contains ОРС-servers, modem control library, connection with i-net (up to 100WEB-clients).
System includes base package, which can be increased as necessary.
Cabinets
Individually designed automation cabinets contain:
- controllers, operator console with LCD and keyboard;
- automates, relays, terminal connectors, transformers, manually actuatable control and indicators;
- communications facilities: communication controller, modem;
- uninterruptible power supply.
|
