Omron NT631 Operation Manuals page 504

Changing Numeral and Character String Display
[Indirect specification]
The following shows an example of changing the displayed numeric value by add-
ing a value to the contents of a numeral memory table allocated word which is ref-
erenced in indirect specification.
S Setting at the Support Tool
Set as indicated below using the Support Tool.
- Numeral memory table No. 51:
- Character string memory table No. 100: Value: "NT631C" (6 digits)
- Character string memory table No. 101: Value: "NT631 " (6 digits)
- Character string memory table No. 102: Value: "NT31C " (6 digits)
- Character string memory table No. 103: Value: "NT31
- Contents to be registered for the screen: Numeral display (numeral memory
LINE
PRODUCT
S PC program
Make a PC ladder program as shown below.
00100
00101
S Program operation
(1) The display on the NT631/NT631C changes to the next item in the se-
quence "NT631C" → "NT631 " → "NT31C " → "NT31 " each time bit
00100 comes ON.
(2) The display on the NT631/NT631C changes to the next item in the se-
quence "NT31 " → "NT31C " → "NT631 " → "NT631C" each time bit
00101 comes ON.
In this example, the contents of numeral memory table No. 51, which is refer-
enced in indirect specification is not checked. If the program is actually tested,
the contents of numeral memory table No. 51 must not be outside the range of
0100 to 0103.
NT631C
Character string display
(numeral memory table No. 51 is designated in indirect specification)
@INC (38)
Numeral memory table No. used
DM0000
in indirect specification
@DEC (39)
Numeral memory table No. used
DM0000
in indirect specification
Section 8-5
D00000 (Words: 1), Value: 100
" (6 digits)
table No. 51, indirect specification)
(1)
(2)
497