208
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
8.7 FNC 06 – Main Routine Program End
8.7
FNC 06 – Main Routine Program End
Outline
This instruction indicates the end of the main program.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
FEND instruction works in the same way as END instruction.
When FEND instruction is executed, output processing, input processing and watchdog timer refresh are
executed, and then the program execution returns to the step 0.
FEND instruction is required in creating subroutine programs and interrupt programs.
1. In the case of CJ instruction
Operand type
Description
Data type
–
There is no set data.
–
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
–
There are no applicable devices.
FNC 06
FEND
FEND
Mnemonic
Operation Condition
Continuous
Operation
Independent Inst.
1 step
This instruction is the independent type, and
does not require drive contact.
X010
Main routine
program
Main routine
program
Main routine
program
0
P20
W
hen X010 i
s
OFF
Ju
m
p
W
hen X010 is
ON
FNC 06
FEND
FNC 06
FEND
END
FNC 00
CJ
P 20