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RE: Swish K400 control
- To: <ukha_d@xxxxxxx>
- Subject: RE: Swish K400 control
- From: "Ian Lowe" <ian@xxxxxxx>
- Date: Sat, 16 Feb 2002 01:51:18 -0000
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
Having more of a delve here, there's still the potential for getting the
curtains caught in an unknown condition...
If you send a "close" whilst an open is in progress, or vice
versa, it
stops.
This strikes me as exactly what could happen if someone inadvertently
issues
a web command, then does an "oh-shit" and clicks the opposite...
rather than
undoing the mistake, it would leave the curtains "hung"
The document says however, if the signal condition is maintained, then the
operation will happen anyway..
It's all down to the electrics I suppose.. does a perpetual
"open" signal
stress some component, or does it behave well when presented with a
"maintained for a loooooong time" signal?
Time for some testing I suppose, although I find myself not very inclined
to
risk blowing one of these guys, given the unlikelihood of getting it
replaced easily.
Stuart, did you notice whether the curtains opened/closed on the drop or
rise of the 0V pulse?
Ian.
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