Re: [foxboro] UPS backup time
- From: "Wilson, Brad" <brad.wilson@xxxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Fri, 18 May 2007 11:02:11 -0400
One thing to consider is "which" parts of the system you want to stay
live. If you have FBMs on UPS, then you may want to drive the outputs to
a safe value by your controls. For example, an AOUT is powered from the
FBM, so anything that is loop-powered will continue to modulate. Another
thing to consider is scenarios in which there are partial-plant outages
and which outputs should be driven to safe value.
Brad Wilson
brad.wilson@xxxxxxxxxxxxxxxx
Invensys Systems, Inc
1090 King Georges Post Rd, Suite 204
Edison, NJ 08837
732-874-0087
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