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692
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
28 Data Comparison – FNC220 to FNC249
28.2 FNC232~238 – AND=, >, <, < >, <=, >= / Data Comparison
28.2
FNC232~238 – AND=, >, <, < >, <=, >= / Data Comparison
Outline
These instructions compare numeric values, and set a contact to ON when the condition agrees.
1. Instruction format
2. Set data (common among FNC232 to FNC238)
3. Applicable devices (common among FNC232 to FNC238)
S
: This function is supported only in FX
3U
/FX
3UC
PLCs.
Operand Type
Description
Data Type
Device number storing comparison data
16- or 32-bit binary
Device number storing comparison data
16- or 32-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3
3
3
3
3 3 3 3
S
3 3
3
3 3
3
3
3
3
3 3 3 3
S
3 3
3
3 3
FNC 232
AND=
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND=
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD=
Continuous
Operation
FNC 233
AND>
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND>
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD>
Continuous
Operation
FNC 234
AND<
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND<
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD<
Continuous
Operation
FNC 236
AND<>
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND<>
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD<>
Continuous
Operation
FNC 237
AND<=
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND<=
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD<=
Continuous
Operation
FNC 238
AND>=
D
Mnemonic
Operation Condition
16-bit Instruction
5 steps AND>=
Mnemonic
Operation Condition
Continuous
Operation
32-bit Instruction
9 steps ANDD>=
Continuous
Operation
S
1
S
2
S
1
S
2