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SICAM SAS

Constantly increasing demands are being placed on reliable management of supply systemsfor electricity, water, gas and district heating. The call for cost effectiveness, minimizeddowntimes and increased environmental awareness is setting new standards of efficiency,reliability and availability in these systems. Central monitoring and control of systemsdistributed over extensive geographical areas, combined with fast reaction to possiblemalfunctions, are important preconditions for cost reducing system management. Yourautomation system must acquire and evaluate a wide range of detailed information in real

time, even in normal operation. In the event of malfunction, you will require additionalinformation to assist you in rapid fault diagnosis.

By virtue of its open type interfaces and its wide-ranging communication facilities, the SICAMSAS Substation Control and Protection System permits connection of bay control unitsequipped with the following interfaces: RS422/RS485 or fibre optics. Integration of theefficient state-of-the-art SIPROTEC 4 generation of protection and control units is especiallysimple, as attention has been paid to uniformity of design in their development.

The SICAM SAS Substation Control and Protection System provides you with a systemsolution for efficient implementation of these functions. SICAM SAS is designed as an OpenSystem to provide simple interfaces based on international standards for the integration ofdifferent bay control unit types or new transmission protocols, as well as interfaces for theimplementation of project-specific automation functions. Thus, the SICAM SAS Substation

Control and Protection System can be integrated in a wide range of configurations for theimplementation of distributed control systems. The SICAM SC Substation Controller can beregarded as the 'heart' of the SICAM SAS Substation Control and Protection System. Itcommunicates with higher level system control centers and, on the process side, with thevarious bay control units of your system. The SICAM SC combines the specific functions of aremote terminal unit with the versatility of a programmable automation system for physicallydistributed process automation.

This efficient system solution is based on the SIMATIC 400 automation system, with itsnumerous communication facilities. This futuristic platform has been supplemented bymodules to meet the new more stringent requirements of telecontrol technology, and hasbeen matched to the principal functions of substation control and protection. Connection ofbay control units enables you to access extensive detailed information about your systemacquired in decentralized form, in addition to the centrally gathered information of SICAM SC.The new generation of bay control units such as the SIPROTEC 4 range permits, in additionto a wide range of protective functions, substation control and protection functions on the baylevel. In the SICAM SAS Substation Control and Protection System, all information of theequipment can be evaluated, combined logically and relayed via standard communicationlinks to higher-order system control centers.

The SICAM WinCC process visualization system with individually configurable graphicaldisplays of your plant forms the interface with the system management personnel. Theworkstation monitors enable the operator to supervise the process and intervene with controlfunctions. He can access not only current data, such as control states, status indications ormeasured values, but can also evaluate archived data in curve or tabular form, and thusobtain a comprehensive picture of the system state as a whole. In addition, all process eventsand switching operations are logged in consecutive order in SICAM SAS. Right at the stage ofacquisition of the process signals by the SICAM SC modules or the bay control unitsconnected, they are real-time stamped.

of 3Power Automation Pte Ltd

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Typical configuration of a SICAM SAS

Tasks SICAM SAS performs the following tasks:

Telecommunication

Monitoring Remote control/control with switchgear interlock Serial connection of protection/bay devices Automation Editing and displaying process information by means of SICAM WinCC Archiving and logging by means of SICAM WinCC.

A typical SICAM SAS consists of the following components:

SICAM SC substation controller Link to higher-level control center Link to bay level Configuration programming device/PC with SICAM plusTOOLS Operator control and process monitoring by means of SICAM WinCC.

Telecontrol interfaces The SICAM substation controller can be expanded by maximally 3 independent interfaces fordata transmission to max. three higher-level control centers. The telecontrol interfaces can beoperated with the transmission protocols

IEC 60870-5-101 IEC 60870-5-104 SINAUT 8-FW DNP V3.0 TG800 (RS232; for IEC 60870-5-101 as RS422/RS485 and X21 are supported)

Bay Device Interfaces Different options are available for connecting decentralize information by way of bay devices(FAE 6MB525, 7SJ600, SIMEAS T):


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Maximally 4 MCP(4) assemblies, consisting of respectively 1 MCP communicationprocessor and 4 XF6 expansion boards with FO interfaces for maximally 96 baydevices.

Maximally 1 MCP(1) assembly (consisting of 1 MCP communication processor and 1XC2 expansion board) and 1 MCP(0) assembly (consisting of 1 MPC communicationprocessor) for maximally 96 by devices via maximally 6 RS485 lines.

Combinations of the above-mentioned examples are possible. However, the total number of

10,000 information points should not be exceeded. The bay device interfaces are operated bymeans of the IEC 60870-5-103 and the DNP V3.0 transmission protocols.


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