189
Memory Tables and Bar Graphs
Section 5-2
Contents registered to the screen: Character-string memory table entry #4
Character-string memory table settings
• PLC Ladder Program
Create a PLC ladder program as follows:
• Program Operation
1,2,3...
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”.
5-2-5
Upgrading Bar Graphs
(Changing the Contents of Allocated Words)
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.
#
Contents
Number of
Character Digits
4
Normal
6 digits
10
Error
6 digits
11
Normal
6 digits
Line 1
Normal
Character-string memory table entry #4
@MOV(21)
#0004
09000
@MOV(21)
#0010
(1)
Copy type, copy destination memory table entry #
Copy destination word
Copy source memory table entry #
Copy source word
@MOV(21)
#0004
09000
@MOV(21)
#0011
(2)
Copy type, copy destination memory table entry #
Copy destination word
Copy source memory table entry #
Copy source word
Error flag
Error flag
101
102
101
102
Summary of Contents for NT20
Page 1: ...Programmable Terminal Cat No V091 E1 01 NT20 USER S MANUAL ...
Page 2: ...NT series Programmable Terminal User s Manual Produced March 2007 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 9: ...x TABLE OF CONTENTS ...
Page 15: ...xvi ...
Page 21: ...xxii EC Directives 6 ...
Page 37: ...16 Before Operating Section 1 6 ...
Page 153: ...132 Transferring the Resource Data Section 3 11 ...
Page 185: ...164 Numeral Setting Section 4 8 ...
Page 267: ...246 Key to Programs Section 6 8 ...
Page 281: ...260 Specifications Appendix A ...
Page 285: ...264 Transporting and Storing PTs Appendix C ...
Page 303: ...282 Function Restrictions Depending on the Support Tool Appendix I ...
Page 307: ...286 Index ...
Page 309: ...288 Revision History ...