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Bosch Praesideo Interface
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The Bosch Praesideo is the world's first fully digital public address  and emergency sound system.The system's unique optical network offers total freedom in system design, interference-free audio and a high level of redundancy that traditional systems cannot offer. it is fully programmable, and interfaces with other security systems.
 
 
The Bosch Praesideo Network can be controlled via a PC using the Bosch Praesideo Open Interface Software.
 
The Controlling PC accesses the Controllers using TCP/IP and sends commands via the Open Interface.
 
If you have a Bosch Praesido System and want to write your own programme using the Open Interface and do not know how to begin or want some help then please contact me. The cost depends on how much help is required.
 
If you want to alter the configuration of the system and are not sure what to do then perhaps I can help.
 
I have written programmes that interface the Bosch Praesideo system to perform various functions for several clients.
 
 
A fault reporting programme that detects faults in the amplifiers defined in the system. It looks up which zone or zones are controlled by the amplifier, or circuit within the amplifier, and then indicates the faulty zones on the PC screen, sends an email to the system administrator and lights an led, or leds, on the fire panel to indicate which fire zone(s) are affected.
 
 
There is a simple call station programme that has a user defined screen to enable the starting of calls and also control background music. This, at present, works with a single Bosch Praesideo Network Controller system (can have several Controllers linked via the Bosch fibre network) but can be easily modified to control several Networks linked via TCP/IP
 
 
A Message Scheduler Programme. Messages can be scheduled to play at certain times of the day. The messages can be stored either in the Praesideo Network Controller or in the PC.
 
Upto 100 messages can be scheduled with the option of playing the message at any time outside of the schedule.
 
Also messages can be set without a schedule so that the user can play them at any time. the message can either have preset zones selected or the zones selected before the message is played.
 
 If you would like a demonstration version of the Praesideo Message scheduler then contact me and I will send a link to the download page. 
A much more complex call programme that has several functions
 
Controls several Bosch Praesideo Network Controllers spread over a very large site connected via TCP/IP. It has no limit on the number of Controllers but is set to 32. Audio is routed via Bosch Cobranet units over TCP/IP.
 
Start calls from a central location either locally or site-wide. A local microphone connected to an Audio Input to the local Controller is used for the calls.
 
Enables calls to be started from a remote location using the standard Bosch Praaesideo Call Station and routing them site-wide.
 
Automatic switching between Primary and Secondary Network Controllers should the Primary fails, and switching back when the Primary is repaired. If an Alarm call is in operation when the Controller failed then it can, optionally, be restarted after switching Controllers.
 
Automatic Alarm calls which can be started from the fire panel and routed either locally to scene of incident or site wide with an indication on the main screen to show where the Alarm Call is routed.
 
Should a Network Controller go down, or the PC loses contact due to a fault in the TCP/IP network, it will indicate a fault on the main screen and a separate screen displayed to show which Controller(s) are affected. The programme will attempt to reconnect automatically after a short delay which will get longer until the PC only tries every 5 minutes. The user can restart the attempts at any time.
 
A fault indication on the Main screen of any fault in the entire system. The fault can be displayed on the screen or the user can use the Bosch Praesideo Logging programme to view the fault details.