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Front and Rear View Key features Description Architect's and Engineer's Specifications Back to Top



Front and Rear View Key features Description Architect's and Engineer's Specifications Back to Top

Key features


Front and Rear View Key features Description Architect's and Engineer's Specifications Back to Top

Description

The BBI Multifunction Show Controller (MSC) is a stand-alone controller for multimedia shows, museum exhibits and theme attractions. It operates DVD, LD and CD players, musical instruments, lighting controls and other serial devices using RS-232, RS-422 or MIDI interfaces. A single controller supports multiple simultaneous shows, limited only by the number of serial and digital I/O ports available on the unit, so one controller can replace up to seven single port controllers, or control shows with up to seven serial devices. The controller responds to closures (button pushes) or voltage inputs on its digital input ports, or serial commands on its host or device ports. Digital output ports drive tally lights or other low current devices and relays. PWM signals provide dimming of tally lights or driving servo positioners. The rear panel connectors on the digital I/O and relay ports permit switches, lamps, etc. to connect directly to the controller punch blocks or other intermediate wiring devices for power and ground bussing. The video sync input allows locks of the controller and other devices to a single time base.

Showgram show control programs are created using a dedicated program, which runs on a Windows95 PC. Showgrams are downloaded into non-volatile memory in the controller via the host port. This connection can be either RS-232 or RS-422, the latter allowing multiple controllers to be connected to a single PC. This connection supports functions beyond programming, such as central scheduling and error reporting. The development environment has useful on-line debugging tools allowing execution of Showgram statements under host control.

Basic Showgram commands for players include spin-up, spin-down, seek, play and freeze frame functions. Advanced commands allow synchronous control of players with timing accurate to one video frame. General string output and input are supported, as are logical operations on strings and variables.

The MSC belongs to BBI's family of audio and show control products, and may be operated as a slave to a BBI PC-based show controller.

Front and Rear View Key features Description Architect's and Engineer's Specifications Back to Top

Architect's and Engineer's Specifications

The show controller shall communicate with up to 7 controlled devices and a host computer. Communications with the host shall be RS-232 or RS-422, and communications with controlled devices shall be RS-232, RS-422 or MIDI. Not all protocols shall be available on all ports. The controller shall have 12 opto-isolated closure/logic inputs and 12 opto-isolated lamp driver/logic outputs. 8 of the 12 lamp drivers shall be programmable to send PWM signals. The controller shall have 6 relay outputs. The controller shall support keypads of size up to 8 x 8. All connections shall be made via pluggable barrier strips. The controller shall accept video black signals and perform operations synchronized with frame boundaries. The controller shall have a multi-line character display on the front panel for status messages. The controller shall have non-volatile memory for storage of show programs. Show program development tools shall be included. The controller shall be the BBI Multifunction Controller.

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Showgram is a trademark of BBI Engineering, Inc. Windows is a trademark of the Microsoft Corporation. Specifications are subject to change without notice.
Copyright 1998 by BBI Engineering, Inc.