505
Changing Numeral and Character String Display
Section 8-5
S Program operation
(1) The value “1” is added to the contents of D0000 every second. At the
NT31/NT31C, the displayed value of the numeral memory table No. 1 in-
creases by “1” every second.
(2) Each time carry over occurs during processing at (1) above, the contents of
D0001 are incremented by 1. At the NT31/NT31C, the value of the higher 4
digits in numeral memory table No.1 increases by 1.
(3) When bit 00001 comes ON, the value “1” is added to the contents of D0002.
At the NT31/NT31C, the displayed value of numeral memory table No. 2
increases by “1”.
[Indirect specification]
The following shows an example of changing the displayed numeric value by
adding a value to the contents of a numeral memory table allocated word which
is referenced in indirect specification.
S Setting at the Support Tool
Set as indicated below using the Support Tool.
- Numeral memory table No. 51:
D0000 (Value: 100, Words: 1, Storage Type: BCD)
- Numeral memory table No. 100:
D0010 (Words: 1, Storage Type: BCD)
- Numeral memory table No. 101:
D0011 (Words: 1, Storage Type: BCD)
- Touch switch (upper):
@ Function setting: “Notify Bit”
@ PC Address: 0000100
@ Action Type: “Momentary”
@ Label: TARGET
- Touch switch (lower):
@ Function setting: “Notify Bit”
@ PC Address: 0000101
@ Action Type: “Momentary”
@ Label: ACHIEVED
- Contents to be registered for the screen:
Numeral display (numeral memory table No. 51, indirect specification),
touch switches (two, indicated above)
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