B&B Electronics VFG3000 - Manual - Manual (Page 81)

C ONFIGURING D ATA T AGS E DITING I NTEGER T AGS
R EVISION 1 P AGE 65
T
HE
F
ORMAT
T
AB
The Format tab of an integer tag contains the following properties...
• The Label Text property is used to specify the label that can be shown next to
this tag when including the tag on a display page. The label differs from the tag
name, in that the former can be translated for international applications, while
the latter remains unchanged and is never shown to the user of the Gateway.
• The Minimum Value and Maximum Value properties are used to define the limits
used for data entry, and to provide similar limits for the various graphical
primitives that need to know the bounds within which the tag may vary, such as
when scaling a tag’s value for display as a bar-graph.
• The Number Base property is used to indicate whether the tag should be
displayed in decimal, hexadecimal, binary, octal, or passcode. Decimal values
may be signed or unsigned, while all other number bases imply unsigned
operation. Selecting passcode mode will display asterisks for values being
entered and is intended for security purposes.
• The Sign Mode property is used to indicate whether or not a sign should be
prefixed to the tag’s value. If a hard sign is selected, either a positive or a
negative sign will be prefixed as appropriate. If a soft sign is selected, a positive
sign will not be shown, but a space will be prefixed instead.
• The Digits Before DP property is used to indicate how many digits should be
shown before the decimal place, or, if no digits are to be shown after the decimal
place, to indicate how many digits should be shown in total.
• The Digits After DP property is used to indicate how many digits should be
shown after the decimal place. Somewhat obviously, decimal places are not
supported if a number base other than decimal has been selected!
• The Leading Zeroes property is used to indicate whether zeros at the beginning
of a number should be shown, or replaced with spaces.