SICAM SAS is equipped with an interface to WinCC, which is the Human Machine Interface (HMI) of the SICAM system. WinCC is the link between the operator and the computer-supported telecontrol and station control system. SICAM WinCC permits to graphically present and log the network status at any time. The integrated archiving system makes available events which took place in past time ranges for specific evaluations at any time.

For efficient substation operation, a large number of individual data are displayed quickly and clearly. The operator terminal comprises in standard configuration a monitor, a standard keyboard, a mouse and optionally a printer. The monitor serves on the one hand to display all process states (such as for example plant status, measured values or metered values) and on the other hand in combination with keyboard and mouse to carry out switching actions. In addition, SICAM WinCC also archives all essential data of the substation and makes them available to the user in the form of curves or tables for the purpose of evaluation.
The following data can be evaluated:

• Events
  
• Protection indications
  
• Measured values
  
• Metered values
  

In addition to display and evaluation with SICAM WinCC directly in the substation, the user can also access the substation from the office via modem or LAN/WAN links (optional). The printer can print out all events on paper, both in page form or also line-by -line (daily operations log). In the same way, it is possible to document the current substation state by means of hard copy. SICAM WinCC is the visualization system for SICAM SAS based on the SIMATIC WinCC open visualization system.

Function Overview

• Run-time and generation system; graphic system: for visualization and operation at discretion.
  
• Message management system, archiving: for event capturing and archiving in compliance with DIN 19235
  
• Reporting and logging system: for time- and event-controlled project documentation with a freely designable layout
  
• In addition to the access to process and operational data via ODBC, SQL and DDE, it also supports function realization by means of the C high-level language.
  
• Tooltips in the run-time system ensure ease of operation.

Further options:

• User Administration: Each operator gets its individual authorization. Functions, such as message acknowledgement, switching authorization or display selection, can be inhibited or released for users.
  
• Design: WinCC can either be used as a single-user system or as multi-user system in internetworked client-server configurations. During the operation in a multi-user system, the operator terminals are automatically coordinated between each other, e.g. with regard to message acknowledgement.
  
• Open interfaces: The open interfaces provide an optimum basis for the completion of individual user solutions.
  Options: Server, chip -card reader, storage, etc.

Configuration: Maximally 2 SICAM WinCC servers with different numbers of indications can be connected to a SICAM Substation Controller.

SICAM Components
Numerous wizards support project configuration. As configuration aids, they help to perform frequently recurring tasks quickly and without errors.

• The Import SICAM Variables wizard serves for accepting information from SICAM plusTOOLS to SICAM WinCC. Information stored in the SICAM plusTOOLS under SICAM WinCC can be visualized in this way. This means that it can be used in process diagrams. Data consistency can be ensured and engineering expenditure can be minimized.
  
• The Create SICAM Message System wizard serves for creating a message management system under SICAM WinCC. This system has comply with the requirements to a SICAM system. The SICAM message management system consists of the following templates:
  - Event list
  - Alarm list
  - Protection message list
  Message blocks, message window templates, message line formats, message classes, message sequence reports, layouts and texts count among this.
  
• The Create SICAM Archives can also be used to create an archiving system under SICAM WinCC. The SICAM WinCC archiving system consists of the following archives:
  - Sequence archive for measured values
  - Sequence archive for counter values
  Counter-value and measured-value variables can be imported from the SICAM plusTOOLS into this archiving system.
  
• The Import Library is for loading the SICAM symbol library into the current project.
  
• SICAM WinCC Symbol Library: The SICAM symbol library comprises operational equipment typical of station controlling (switchgears, bay devices, transforms and patterns of bay representations). It serves for creating station diagrams. The symbol library contains several symbols typical of each device, so-called user objects for isolators and circuit breakers in order to reduce parameterization efforts to a minimum. The symbols stored in the library are placed in a station diagram via Drag and Drop. The symbols already comprise the dynamizing function. For example, a circuit breaker comprises all dynamizing functions required to represent the ON, OFF, DISTURBED, Not Current, Link Failed process statuses as well as status changes. In this case, those display symbols which will in the future exist as standard in all SIPROTEC 4 bay devices have already been optimized with regard to ergonomic aspects, taking the possibilities provided by a PC into account (resolution, color, etc). This ensures operational homogeneity both on the bay and the station level.
• SICAM Valpro

    (Measured/Metered Value Processing Unit) is a SICAM WinCC component for processing, representing and printing of archived measured and counter values. To do this, it is possible to apply processing functions to the archived measured and counter values without changing the original archive contents. As only the original values need to be archived and as the processing function is defined after the archiving procedure, the archive size is reduced to a minimum, thus allowing high flexibility with regard to evaluation. The minimum, maximum, average values, the sum (for counter values) and the performance factor are available as processing functions. The related calculation interval can be adjusted. All values are represented in tabular and in curve form. The colors, the line types and the time range can be adjusted.

• Ergonomic design: Uniform and ergonomic symbols, same operation/look&feel as on the bay level, clearly structured display arrangement, event and alarm lists, etc.: All these components ensure that the operator has the intuitive feel of his station - thanks to SICAM WinCC.
  

• SICAM WinCC Message Management System: The WinCC alarm logging combined with the S7 PMC package is the basis of the SICAM WinCC message management system. In this context, it is ensured that no message is lost and that all messages are processed in chronological order. The SICAM SAS transmits the messages with time stamp (1ms resolution) and additional information to the SICAM WinCC. Thanks to the time stamp, the messages can be reported and archived chronologically in WinCC:
  > Value,
  > Source,
  > Additional source,
  > Additional information,
  > Status,
  > etc.
  

• Message classes:
  The wizard creates a number of message classes and makes them available by standard, e.g.
  > Message
  > Message with acknowledgement
  > Message with acknowledgement on appearing
  > Protection messages
  SICAM WinCC processing functions: The SICAM WinCC processing functions complement the SIMATIC WinCC function library. The following processing functions are realized: Pulse, persistent, metered-value restorage, scheduled value commands 8 and 16 Bit, percent value, sum, instantaneous minimum, maximum and average value, switching-cycle counter. (E.g. a switching cycle counter: This function counts the switching changes of a switch. The counter can be set to zero by means of the Reset operating mode.)
  

• Clock Synchronization: As a rule, the clock master (SICAM SAS) transmits time messages to the SICAM WinCC PC parameterized as time slave. In this way, the PC clock is synchronized to the SICAM SAS clock.

• SICAM WinCC Help (inclusive of scripts for measured-/counter-value processing)
  

• Standards: The SICAM WinCC was created according to the ISO 9001 quality directives.