Omron NT11 - 01-2004, Руководство пользователя

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Memory Table Entries and Bar Graph
Section 5-3
• PLC ladder program
Create a PLC ladder program as follows:
• Program operation
1. The contents of word DM0000 are incremented by 1 each second. The val-
ue displayed on the NT11 in numeral memory table entry No. 1 increases
by 1 each second.
2. When the counter in (1) above causes an increase in the most significant
digits, the contents of word DM0001 are incremented by 1 each second.
The value displayed on the NT11 in numeral memory table entry No. 1
most significant digits increases by 1.
3. When bit 00001 turns ON, the contents of DM0002 are incremented by 1.
The value displayed on the NT11 in numeral memory table entry No. 2 in-
creases by 1.
5-3-3 Copying Memory Table Entries
The following describes the procedure to change displayed numerals or char-
acter -strings by copying the contents of the memory table entry.
Numerals and character-strings can be changed also by changing the con-
tents of the allocated words. Refer to “Changing displayed numerals or char-
acter -strings” explained before.
To change the numerals or character-strings displayed on the NT11, copy the
data between the numeral or character-string memory tables by using the
“copy memory table setting” of the PT status control area.
Line 1
Qty. 15289 units
Defects 23 units
Numeral memory
table entry No. 1
(8-digit input)
Numeral memory
table entry No. 2
(4-digit input)
INC(38)
DM0000
00100
INC(38)
DM0001
(1)
Word for least significant 4 digits of No. 1
@INC(38)
DM0002
(2)
Word for most significant 4 digits of No. 1
(3)
Word for No. 2
25506 (=)
00001
DIFU(13)
00100
25502 1 second clock