Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G 사용자 설명서
237
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
8.9 FNC 08 – FOR / Start a FOR/NEXT Loop
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In
trodu
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ion
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O
ver
vi
ew
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In
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Li
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D
evices
in D
etail
etail
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Specifi
ed t
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evice &
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onst
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Bef
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Pr
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B
asic
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FNC0
0-F
0-F
NC0
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Pr
ogr
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Flow
am
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FN
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10-FN
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FNC2
0-F
0-F
NC2
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Ar
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Logic
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8.9
FNC 08 – FOR / Start a FOR/NEXT Loop
Outline
FOR instruction specifies the number of repetition of the loop between FOR and NEXT (FNC 09) instructions.
1. Instruction format
2. Set data
3. Applicable devices
S
: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
→ For details, refer to NEXT (FNC 09) instruction.
Related instruction
FOR instruction and NEXT (FNC 09) instruction are set as a pair in programming.
Operand type
Description
Data type
Number of repetition of the loop between FOR and NEXT instructions
[
[
= K1 to K32767]
(A value from
−32768 to 0 is handled as "1".)
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
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
−
FNC 08
FOR
FOR
Mnemonic
Operation Condition
Mnemonic
Operation Condition
Continuous
Operation
16-bit Instruction
3 steps
32-bit Instruction
S
S
S