19
Communication with the Host
Section 1-3
Functions of Display Elements
S Lamps (page 326)
Allocation destination: Bit
PCNT31/NT31C
Lamp #1 (Bit 000100)
Lamp #2 (Bit 000101)
Switch 1: ON (Bit 000100)
Switch 2: OFF (Bit 000101)
Lit
Unlit
The PC’s bit status is displayed by the “lamp” at the NT31/NT31C.
Normal (standard) lamps come on (flash) when the PC’s bit status (lamp bit) is
ON (1), and go off when it is OFF (0).
With image/library lamps, the displayed image or library data can be switched in
accordance with the ON (1)/OFF (0) status of PC bits (lamp bits).
S Touch switches (page 334)
Allocation destination: Bit
PC
1
009012
NT31/NT31C
Touch switch #12
Bit 009012
Bit 009012: ON
The lamp comes on (flashes) when the PC’s bit (lamp bit) is ON (1) and goes
OFF when it is OFF (0). When the touch switch is pressed, the PC’s notification
bit comes ON (1) or goes OFF (0).
S Numeral display (numeral memory tables) (page 357)
Allocation destination: Word
PC
161 2
TIM003
1612
A23C
A23C
0005CH
NT31/NT31C
Numeral memory
table 1 (TIM003)
Numeral memory table 150 (0005CH)
Allocate numeral memory tables to required words in the PC. If the word con-
tents change when the corresponding numeral memory table is displayed on the
screen, the value on the screen will also change. The words can also be moni-
tored easily.
Reading and writing are executed so that the contents of allocated words are
always the same as those of the numeral memory tables.
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