Upgrading Bar Graphs (Changing The Contents Of Allocated Words) - Omron NT20S-ST121B-EV3 User Manual

Memory Tables and Bar Graphs
1,2,3...
5-2-5 Upgrading Bar Graphs
(Changing the Contents of Allocated Words)
Contents registered to the screen: Character-string memory table entry #4
Line 1
Character-string memory table entry #4
Character-string memory table settings
# Contents
4 Normal
10 Error
11 Normal
• PLC Ladder Program
Create a PLC ladder program as follows:
09000
Error flag
09000
Error flag
• Program Operation
1. When an error occurs (bit 09000 turns ON), the NT20 displays the mes-
sage "Error".
2. When the error is cleared (bit 09000 turns OFF), the NT20 display mes-
sage reverts to "Normal".
The following describes the procedure to upgrade the bar graph display on the
NT20 by changing the contents of the allocated words.
To change the bar graph display on the NT20, change the contents of the PLC
words to which the numeral memory table entries have been allocated.
The bar graph display cannot use hexadecimal numbers. If hexadecimal num-
bers are set, the bar graph will not be displayed.
Normal
Number of
Character Digits
6 digits
6 digits
6 digits
@MOV(21)
Copy type, copy destination memory table entry #
#0004
102
Copy destination word
@MOV(21)
Copy source memory table entry #
#0010
101 Copy source word
@MOV(21)
#0004 Copy type, copy destination memory table entry #
102
Copy destination word
@MOV(21)
Copy source memory table entry #
#0011
Copy source word
101
Section 5-2
(1)
(2)
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