EM51A Prop Controller - ADS - Audio Design Services


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EM51A Prop Controller
ADS - Audio Design Services

•Stereo MP3, near CD quality

•Trigger Input: 1

•Relay Output: 3

•Serial Port: 0

•Input Voltage: 12 - 30 VDC

•Output Power: 15W x 2

The EM51A is an MP3 player with synchronized device control. After being triggered the system starts to play the animation audio and toggle multiple control outputs at preset moments. These outputs are typically used to control electrical/electronic devices such lights, solenoids, motors, valves and etc. When not triggered the system can be configured to play ambient audio (a different MP3 file) continuously. The animation can be triggered with push buttons, pressure floor mats, switch/relay closures, alarm/motion sensors, PLCs and etc. Two trigger inputs are provided (although they trigger the same animation program): one for dry contact closures and the other is opto-isolated. Trigger polarity can be reversed with a DIP switch setting. EM51A features a high efficiency low heat class D power amplifier with thermal and short circuit protection (automatic recovery). Line level output is also available for feeding external power amplifiers in case more amplification is needed than the internal one can provide. EM51A is totally self-contained in terms of operation. Installation is quick and easy thanks to the detachable screw terminals.

Teach-n-Learn™  Programming Scheme EM51A allows the user to do animation programming with nothing but the controller itself. Built-in push buttons are used to activate outputs and play out the animation for the controller to learn while the audio is played simultaneously. A DIP switch setting can lock the system and prevent the erasure of the animation program.

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