Omron NT30 Operation Manual page 220

Memory Tables and Graphs
Example of Changing a Character String in Indirect Specification
An example in which the character strings being displayed are changed by ad-
ding the contents of the word allocated to the numeral memory table entry that is
used in indirect specification is given below.
S NT-series Support Tool Settings
Perform the following setting with the NT-series Support Tool.
Numeral memory table entry No. 51:DM0000 (registration word: 1 word)
Character string memory table entry No. 100: NT610G
Character string memory table entry No. 101: NT610C
Character string memory table entry No. 102: NT30
Character string memory table entry No. 103: NT30C
Contents to be registered for the screen: Numeral memory table entry No. 51
Line 1
NT610G
Display of character string (specification of numeral
memory table entry number 51 in indirect specification)
S PC Program
Include the following in the PC ladder program.
00100
00101
S Program Operation
(1) Each time IR/CIO 00100 comes ON, the display on the NT30/30C chan-
ges to the next item in the following sequence.
NT610G → NT610C → NT30 → NT30C
(2) Each time IR/CIO 00101 comes ON, the display on the PT changes to the
next item in the following sequence.
NT30C → NT30 → NT610C → NT610G
In this example, the contents of numeral memory table entry 51, which is ac-
cessed using indirect specification, are not checked. When actually using the
program, make sure that the contents of numeral table No. 51 are not outside
the range 0100 to 0103.
@INC(38)
Numeral memory table entry number
DM0000
used for indirect specification
@INC(39)
Numeral memory table entry number
DM0000
used for indirect specification
Section 5-2
. (6 digits)
. (6 digits)
(6 digits)
(6 digits)
(1)
(2)
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