X8 Instruction Set Reference Manual
Compare Instructions
9
-
3
• For NE - Even the Source A and B is number, rung state remains true.
EQ - Compare for Equal
NE - Compare for Not Equal
Instruction Type: input
• The EQ instruction is used to compare whether one value is equal to a second
value.
• The NE instruction is used to compare whether one value is not equal to a
second value.
For example:
• If the EQ instr
u
ction is IN1=1, and IN2=2, beca
u
se the two sources are not
equal, output B3.1.5 bit state remains off.
• If the EQ instruction is IN1=3, and IN2=4, beca
u
se the two sources are not
equal, output B3.1.6 bit state becom
e
s ON.
EQ and NE Instruction Operations
Instruction
Relationship of Source
Values
Resulting Rung State
EQ
A = B
TRUE
A
≠
B
FALSE
NE
A = B
FALSE
A
≠
B
TRUE
EQ
EN
ENO
IN 1
N4.0 -
1 <
IN 2
N4.1 -
2 <
NE
EN
ENO
IN 1
N4.2 -
3 <
IN 2
N4.3 -
4 <
B3.1.5
EQ
EN
ENO
IN 1
N4.0 -
1 <
IN2
2<
N4.1 -
Содержание X8 Series
Страница 1: ...Catalog Number s X8 M14DDT X8 M16DDR X8 M32DDT X8 Instruction Manual Reference Manual ...
Страница 16: ......
Страница 64: ...X8 Instruction Set Reference Manual 2 12 X8 Series PLC Memory and Data Table ...
Страница 134: ...X8 Instruction Set Reference Manual 5 38 Using the High Speed Counter and Programmable Limit Switch ...
Страница 166: ...X8 Instruction Set Reference Manual 7 8 Relay Type Bit Instructions ...
Страница 180: ...X8 Instruction Set Reference Manual 8 14 Timer and Counter Instructions ...
Страница 205: ...X8 Instruction Set Reference Manual Math Instructions 10 17 ...
Страница 206: ...X8 Instruction Set Reference Manual 10 18 Math Instructions ...
Страница 212: ...X8 Instruction Set Reference Manual 11 6 Converion Instructions ...
Страница 218: ...X8 Instruction Set Reference Manual 12 6 Logical Instructions ...
Страница 236: ...X8 Instruction Set Reference Manual 15 8 Shift and FIFO LIFO Instructions ...
Страница 242: ...X8 Instruction Set Reference Manual 16 6 Sequencing Instructions ...
Страница 252: ...X8 Instruction Set Reference Manual 18 4 Input and Output Instructions ...
Страница 280: ...X8 Instruction Set Reference Manual 20 12 PID Control ...
Страница 296: ...X8 Instruction Set Reference Manual 21 16 ASCII Instructions ...
Страница 308: ...X8 Instruction Set Reference Manual 22 12 Communications Instructions ...
Страница 312: ...Appendix A 4 System Error Code ...
Страница 313: ...Appendix B MSG Instruction Error Code MSG Instruction Error Code ...
Страница 322: ...Appendix B 10 MSG Instruction Error Code ...
Страница 325: ...ASCII Character Set Appendix C 3 ...
Страница 326: ...Publication number X8 RM001A EN September 2012 ...
Страница 327: ...Copyright 2012 RS Automation Co Ltd All rights reserved ...