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EIS systems sender

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snuffy(at)usol.com
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Posted: Mon Jan 09, 2006 4:11 am Post subject: EIS systems sender



 	  Quote: 	
		   I'm not really sure. Does an EIS monitoring system change analog at the

sender or at the panel?

Vic

	


Not familiar with EIS systems, but typically the conversion from analog to

digital is done in the panel. If there are only a couple of wires going from

sender to panel you can be assured the conversion is done in the panel. If

the conversion is done in the sender, there needs to be first of all two

wires just for the power to the conversion circuits in the sender. Then

depending on the sender, two or more wires for the return signal to the

panel, to indicate temp, position, velocity, whatever is being detected.

Conversion circuits in senders, subjects the circuits to more destructive forces

than if the conversion circuits are in the panel.

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