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The CCS Information Display system can handle the presentation of messages on both physical Display Units and Screen Display Units.
Screen Display Units are ‘virtual’ Display Units and messages sent to Screen Dis- play Units are displayed in separate ‘window’ on the CCS PC.
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Physical Display Units are driven through serial ports, either individually or in chained links. There is no limit to the number of physical Display Units that can be connected to the system, however each Display Unit connected to a Comm Port must have a unique address. The maximum number of Display Units that can be connected to one link will depend on the type of unit connected and the transfer band rate.
Note: At present it is only possible to connect Display Units that use the same driver to the same chained link.
If more Display Units than can be supported by a single link are to be con- nected, or if Display Units using different drivers are to be used it may be necessary to add extra serial ports to the CCS PC.
The CCS can address any board on a link and send as many messages to that board as the board supports. There is no limit to the numbers messag- es in the CCS.
Review the manufacturer’s guidelines for details of limits of connected units on a single link and message maximums.
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Also, when adding physical Display Units to a COM port, one Display Unit may have a designated address of 0. This then becomes a ‘broadcast’ Display Unit that will display every messages sent to all Display Units on the same COM port. This facility is not available when adding a Screen Display Unit.
EN/LZT BS 102 063/S R2B
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