The objects chapter 10 – Rockwell Automation 2711 PANELBUILDER SOFTWARE USER MANUAL User Manual
Page 296
The Objects
Chapter 10
10-31
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Decimal
Point
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Polarity
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Format Options
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Address Options
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Data Types
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Data Range
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YES
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NO
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Decimal Point
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Fixed
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No of digits
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Decimal Point
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Binary
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0 - 7
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PLC Controlled
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Position Address
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YES
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YES
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No of Digits
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Displayed Value
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Binary
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-65,535 - +65,535
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Fill Left With
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Zeroes or Spaces
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Address
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BCD
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-9,999,999 - +9,999,999
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Decimal Point
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Fixed
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No of digits
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Position Address
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Binary
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0 - 7
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PLC Controlled
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Polarity Address
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Bit
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0 - 1
Display Formatting
When fewer digits than the maximum are to be displayed, the left portion
of the display must be filled with either blank spaces or zeroes. You can
choose either spaces or zeroes by choosing Fill Left With.
If the value cannot be displayed within the number of digits specified for
the object, a string of asterisks (*) is displayed instead.
Displays with Decimal Point
The position of the decimal point can be fixed or PLC controlled.
To create a fixed decimal position, you select the number of digits that will
be displayed to the right of the decimal point. The number can be 1 to 7
(the default is 1).
To create a PLC controlled decimal point, you must assign a Decimal Point
Position Address, a PLC input or output address. This three-bit binary code
indicates the number of digits to the right of the decimal. For example, a
value of zero (000 binary) means that there will be no digits displayed after
the decimal point (and the decimal itself will not be displayed); a value of
three (011 binary) means there will be three digits to the right of the
decimal point; a value of seven (111 binary) means that seven digits will be
displayed to the right of the decimal point. The remaining bits in the word
address can be assigned to other functions.
Use a PLC input address if you want to control the decimal position from
the terminal using other input objects. If you want the PLC controller to
dynamically change the decimal position, assign a PLC output address for
the decimal point. No PLC address is needed if the decimal position is
fixed.
With a decimal point but no polarity bit, this object can display 2 to 8
digits (the default is 6). The maximum PLC value depends upon the data
type and number of bits assigned to the Displayed Value Address.