Delta C2000 series User Manual page 474

API
FEND
06
Bit Devices
X Y M K
Operands:
No operand
No contact to drive the instruction is required.
1. This instruction denotes the end of the main program. It has the same function
Explanation
as that of END instruction when being executed by PLC.
2. CALL must be written after FEND instruction and add SRET instruction in the
end of its subroutine. Interruption program has to be written after FEND
instruction and IRET must be added in the end of the service program.
3. If several FEND instructions are in use, place the subroutine and interruption
service programs between the final FEND and END instruction.
4. After CALL instruction is executed, executing FEND before SRET will result in
errors in the program.
CALL
Command
When X1=OFF,
operation
procedure
－
Word Devices
H KnX KnY KnM T
P63
16-51
Chapter 16 PLC Function |C2000 Series
The end of the main program (First End)
16-bit command (1 STEP)
FEND
C D
32-bit command
－
Flag signal: None
Main Program
X1
CALL
Main Program
Main Program
CALL Sub command
program
Main Program
－ －
－ － －
When X1=ON,
operation
procedure
P63