Fnc240~246 - Or=, >, <, < >, <=, >= / Data Comparison - Mitsubishi Electric MELSEC FX3U Programming Manual

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 T C D R U \G
S
1
S
2
: This function is supported only in FX
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 Data Comparison – FNC220 to FNC249
28.3 FNC240~246 – OR=, >, <, < >, <=, >= / Data Comparison
Operation Condition
32-bit Instruction
Continuous
9 steps ORD=
Operation
Operation Condition
32-bit Instruction
Continuous
9 steps ORD>
Operation
Operation Condition
32-bit Instruction
Continuous
9 steps ORD<
Operation
Operation Condition
32-bit Instruction
Continuous
9 steps ORD<>
Operation
Operation Condition
32-bit Instruction
Continuous
9 steps ORD<=
Operation
Operation Condition
32-bit Instruction
Continuous
9 steps ORD>=
Operation
Description
Word Devices
Special
System User Index
Unit
V Z Modify K H
PLCs.
3UC
Mnemonic Operation Condition
Continuous
Operation
Mnemonic Operation Condition
Continuous
Operation
Mnemonic Operation Condition
Continuous
Operation
Mnemonic Operation Condition
Continuous
Operation
Mnemonic Operation Condition
Continuous
Operation
Mnemonic Operation Condition
Continuous
Operation
Data Type
16- or 32-bit binary
16- or 32-bit binary
Others
Con- Real Charac-
Pointer
stant Number ter String
E " " P
695
21
22
23
24
25
26
27
28
29
30