Fnc240~246 - Or=, >, <, < >, <=, >= / Data Comparison - Mitsubishi Electric FX3G SERIES Programming Manual
Programmable controllers
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Also See for FX3G SERIES:
- User manual (532 pages) ,
- Hardware manual (8 pages) ,
- Quick start manual (2 pages)
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FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
28.3
FNC240~246 – OR=, >, <, < >, <=, >= / Data Comparison
Outline
These instructions compare numeric values, and set a contact to ON when the condition agrees.
1. Instruction format
FNC 240
D
OR=
FNC 241
D
OR>
FNC 242
D
OR<
FNC 244
D
OR<>
FNC 245
D
OR<=
FNC 246
D
OR>=
2. Set data (common among FNC240 to FNC246)
Operand Type
S
1
S
2
3. Applicable devices (common among FNC240 to FNC246)
Bit Devices
Oper-
and
System User
Type
X Y M T C S D .b KnX KnY KnM KnS
S
1
S
2
: This function is supported only in FX
660
Mnemonic
16-bit Instruction
5 steps OR=
Mnemonic
16-bit Instruction
5 steps OR>
Mnemonic
16-bit Instruction
5 steps OR<
Mnemonic
16-bit Instruction
5 steps OR<>
Mnemonic
16-bit Instruction
5 steps OR<=
Mnemonic
16-bit Instruction
5 steps OR>=
Device number storing comparison data
Device number storing comparison data
Digit Specification
/FX
3U
28.3 FNC240~246 – OR=, >, <, < >, <=, >= / Data Comparison
Operation Condition
32-bit Instruction
Continuous
Operation
Operation Condition
32-bit Instruction
Continuous
Operation
Operation Condition
32-bit Instruction
Continuous
Operation
Operation Condition
32-bit Instruction
Continuous
Operation
Operation Condition
32-bit Instruction
Continuous
Operation
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
T
C D R U \G
PLCs.
3UC
28 Data Comparison – FNC220 to FNC249
Mnemonic
Operation Condition
9 steps ORD=
Mnemonic
Operation Condition
9 steps ORD>
Mnemonic
Operation Condition
9 steps ORD<
Mnemonic
Operation Condition
9 steps ORD<>
Mnemonic
Operation Condition
9 steps ORD<=
Mnemonic
Operation Condition
9 steps ORD>=
16- or 32-bit binary
16- or 32-bit binary
Others
Con-
Real
Index
stant
Number
V
Z Modify K
H
E
Continuous
Operation
Continuous
Operation
Continuous
Operation
Continuous
Operation
Continuous
Operation
Continuous
Operation
Data Type
Charac-
Pointer
ter String
" "
P
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