Rockwell-automation 2711 PANELBUILDER SOFTWARE USER MANUAL Manual de usuario descargar pdf (Pagina 276)

100

101

The Objects

Chapter 10

10-11

The following table indicates the state number and the required bit pattern

for each data type for 10 states.

Table 10.A

Bit

Patterns for Each State if All Bits OFF: Binary

, BCD and Bit Data T

ype

State Binary BCD Bits

0 0000 0000 000000000

1 0001 0001 000000001

2 0010 0010 000000010

3 0011 0011 000000100

. . . .

9 1001 1001 100000000

Each of these numbers increases by 1 if “First Bit ON” or “1” is chosen for

Top Position Value.

Table 10.B

Bit

Patterns for Each State if First Bit ON: Binary

, BCD and Bit Data T

ype

State Binary BCD Bits

0 0001 0001 000000001

1 0010 0010 000000010

2 0011 0011 000000100

3 0100 0100 000001000

. . . .

9 1010 10000 1000000000

Control List Selector with Enter

The Control List Selector with Enter object allows the operator to choose

from items in a list. As the operator presses the Up Cursor and Down

Cursor buttons, an arrow indicator moves up and down through the list,

wrapping around the top and bottom of the list. The item is not actually

selected until the Enter button is pressed; the selected item highlights in

reverse video and the PLC input is updated to reflect the new state.

The states, therefore, are not necessarily executed consecutively. Rather the

new state is determined by the position in the Selector when the Enter

button is pressed.

1 2 ... 271 272 273 274 275 276 277 278 279 280 281 ... 467 468

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