Chapter 7 Second Development PlatformVP3000
295
API Instruction code Operand Function
06 FEND
- Main programs end
Type
Operand
Bit devices Word devices
16-bit instruction (1 step)
FEND
Continuous
execution
type
- -
32-bit instruction
－ － － －
Associated flag: none
X Y M K H KnX KnY KnM T C D
Caution for using operand
No operand
No contact to drive the instruction is required.
Description
This instruction code indicates the end of main program. It’s the same as END instruction in
PLC operation process.
The subprogram of CALL instruction must be placed after FEND instruction, and each
subprogram must end with SRET instruction.
An END instruction is also required when using FEND instruction. But END instruction must
be placed after main program and subprogram to the last.
CALL
instruction
program
flow
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