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F3200 Installation & Programming Manual Document No: LT0122
Programming System Configuration
Page 7-30 5 July 2001 Issue 2.7
ENTERING OUTPUT LOGIC ZONE COMMANDS (CONTINUED)
When an existing equation (call it "E1") is shown, the first and/or last zone may be modified
and if an equation with the new first and last zone does not already exist then the "right hand
side" of equation "E1" will be copied into the new equation (call it E2). Equation E2 may
then be modified if desired, or immediately saved. When equation E2 is saved the user will
be given the choice of either deleting/overwriting the prior equation E1 or of keeping the
existing equation E1 and creating a completely new equation E2. This allows the user to
modify the first or last zone of an existing equation (E1) and save it without having to then go
back and delete the previously existing equation E1 (and perhaps forgetting to). It also
allows the "right hand side" of an existing equation to be copied to a new equation with a
different range of zones. The DELETE and INSERT keys may be used to modify the copied
equation as with normal equation editing.
The logic equations for zone commands are entered as:
ZRn:m="equation" to reset zones n to m inclusive
ZIn:m="equation" to isolate zones n to m inclusive
ZDn:m="equation" to deisolate zones n to m inclusive
If n and m have the same value then the command applies to that single zone.
There may be only one equation of each type (reset/isolate/deisolate) with the same first
zone/last zone. E.g. it is not possible to have both ZI3:7=BLI and ZI3:7=Z1I as two separate
equations. The logic should be combined into one equation.
When an existing equation is recalled or has just been saved, the cursor will be positioned
on the "I", "D" or "R" immediately to the left of the "first zone" number. The "up arrow" key
may be used to cycle through "I" (isolate), "D" (deisolate), or "R" (reset) and if the equation
of the new type exists it will be recalled otherwise it will be created and the "right hand side"
of the previously shown equation will be copied into the new equation.
After entering all of the zone isolate/deisolate/reset equations it is recommended that they be
checked by printing the database to a printer or computer, or by stepping through the list of
equations on the LCD. Check that the equations are correct and that no unwanted
equations have been inadvertently left in the list. An entire equation may be deleted using
the DELETE key when the cursor is on the left hand side of the equals (=) sign of the
equation.
W A R N I N G
To view the zone command logic equations that have been programmed, the preferred
method is to “PRINT” the database or output logic to a computer or printer. If this is not
possible then the equations can be viewed on the LCD. To do this, select one of the options
4:Zone Isol, 5:Zone deisol or 6:Zone reset and use the NEXT and PREV keys to step
through the entire list. DO NOT use the up arrow/down arrow keys to swap between isolate,
de-isolate or reset types and do not enter explicit zone numbers as this may create a new
equation where one did not previously exist (as a convenience, the previously displayed
equation is copied to the new one if there is no equation already defined for the new type or
zone numbers).
Hence if you wish to view existing equations, use only the NEXT and PREV keys.