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Re: [ECS] Group-Maximum and Group-Minimum Problem with ecs 4.2.009? Mark Gilmore Mon, 24 Jan 2000 09:39:45 -0500

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Michael,
I know of no problem or change in this area.
HOWEVER, State-values may have changed.
Please check these.
If you don't find the problem, email me a
simple example group WITH the Types of each Item.
Thanks
-- 
Mark Gilmore
Omnipotence (ECS home automation software)
http://www.usit.com/omnip
423-745-0026


Michael David wrote:
> 
> Hi Mark!
> 
> Did you change the way Sub-Types work with the Group-Maximum and
> Group-Minimum items in the latest release?  I ask because these items no
> longer work as before.  Here's an example:
> 
> I have a group called "Security Away Sensors".  In that group, I have all
> the items I need to monitor for a Security Violation.  The items being
> monitored are digital inputs and various other items.  The Digital inputs,
> as you know have states of High/Low.  The other items have states like
> yes/no, on/off, true/false, open/closed, etc.  So, basically, I have a group
> with a bunch of items, each having a state-value of 0 or 1.
> 
> Now, in that group, I have a Group-Maximum item, with a sub-type of
> true/false.  I test this item in my security event to see if anything has
> been violated.
> 
> The problem is this:  The state of a group-maximum (or group-minimum)item is
> now only affected by items whose states match that of the sub-type of the
> group-maximum item.  In other words, in my security group mentioned above,
> only an item with a true/false state has any effect on my group-maximum item
> (which has a sub-type of true/false).
> 
> Did that make sense?  :)
> 
> Let me know if you need any more info, examples, etc.
> 
> Cheers!
> 
> Michael David
> michael@michaeldavid.com

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