Rockwell-automation 2707-NP DTAM Programming Software Manual do Utilizador descarregar pdf (Página 177)

Appendix D

Data Formats

D–7

Examples of Floating Point Display

The following examples show how various numbers would be displayed with

floating point display on and off. All floating point examples assume a

display width of 8 and a decimal position of 4.

Table 2

Floating Point Display With Decimal Option Set to 1

Number From

PLC

Displayed Value Note

0.1231 .123

.00004 .000

99.999999 100.000 Number is rounded at decimal position 8

9999.9999 >>>>>>>>>>

Number is rounded at decimal position 8 to display

10000, but is too large to display

–999.99999 <<<<<<<<<<

Number is rounded at decimal position 8 to display

–1000, but is too large (negative) to display

2.012E+9 >>>>>>>>>> Number too large to fit in display (positive)

–2.012E+9 <<<<<<<<<< Number is to large to fit in display (negative)

2.012E–9 .000 number is too small to fit in display and is truncated

Table 3

Floating Point Display With Decimal Option Set to 0

Number From

PLC

Displayed Value Note

0.1231 0.1231

0.0004 0.0004

.0000000001 0.0000000 Number is truncated

1234567.0 >>>>>>>>>> number is greater than 6 places

99.999999 100. Number is rounded at decimal position 8

2.012E+9 >>>>>>>>>> Number too large to fit in display (positive)

–2.012E+9 <<<<<<<<<< Number is to large to fit in display (negative)

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Rockwell-automation 2707-NP DTAM Programming Software Manual do Utilizador Página 177