FOR-NEXT Repetition

FOR-NEXT Repetition: FOR, NEXT

Instruction

Device address

No. of Steps

Flag

M

X

Y

K

L

F

T

C

S

Z

D

@D

Int.

Error

Zero

Carry

FOR

S

o

-

o

2

o

-

1

n	Repeat Count for FOR and NEXT (1 ~ 32767).
Error (F110)	Occurs when a device is assigned to @D and the device range limit exceeds.

Functions

Repeats the instructions between the FOR and the NEXT for the designated number of times.

The repeat count (n) can be assigned to one of the numbers from 1 to 32767.

When the repeat count (n) number is from -32767 to 0, this instruction is operated as n=1.

The nesting for the FOR instruction is possible up to 16 times.

Example)

When M01 is turned OFF, the FOR-NEXT instruction is executed.

When M01 is turned ON, the FOR-NEXT instruction is NOT executed.

PLC Manual