Structuring Instruction - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

8.4

Structuring Instruction

FOR to NEXT
FOR, NEXT
When the processing between the FOR and NEXT instructions is executed (n) times without any condition, the processing of
the step following the NEXT instruction is executed.
Ladder diagram
FOR
(n)
A
NEXT
A: Repetition program
FBD/LD
FOR
EN ENO
n
Setting data
■Descriptions, ranges, and data types
Operand Description
(n) Number of repetitions of the loop between FOR and NEXT
instructions
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S
(n) 
Processing details
• When the processing between the FOR and NEXT instructions is executed (n) times without any condition, the processing
of the step following the NEXT instruction is executed.
• In (n), any of 1 to 32767 can be specified. If any of -32768 to 0 is specified, the processing of (n)=1 is applied.
• To skip the processing between the FOR and NEXT instructions, jump the program execution with the CJ instruction.
• Up to 16 FOR instructions can be nested.
NEXT
EN ENO
Word
T, ST, C, D, W, U\G
SD, SW, R
 
Structured text
Not supported
Range Data type
1 to 32767 16-bit signed binary

Bit

Bit
Double word Indirect
specification
Z LC LZ
   
Data type (label)
ANY16
BOOL
BOOL
Constant Others
K, H E $
   
8 APPLICATION INSTRUCTION
8.4 Structuring Instruction
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