Delta MH300 Series

Chapter 16 PLC Function ApplicationsMH300
16-55
16-6-4 Detailed explanation of application commands
API
CALL
S
Call a subprogram
01
P
bit device
Word device
16-bit command (3 STEP)
CALL
Continuous
execution type
CALLP
Pulse
execution type
32-bit command
－
－
－
－
Flag signal: none
X
Y
M
K
H
KnX
KnY
KnM
T
C
D
Notes on operand usage:
The S operand can designate P.
MH300 series device: The S operand can designate P0-P63.
 S: Call subprogram pointer
 Write the subprogram after the FEND command.
 The subprogram must end after the SRET command.

Refer to the FEND command explanation and sample content for detailed
command functions.
API
SRET
－
End of subprogram
02
bit device
Word device
16-bit command (1 STEP)
FEND
Continuous
execution type
－
－
32-bit command
－
－
－
－
Flag signal: none
X
Y
M
K
H
KnX
KnY
KnM
T
C
D
Notes on operand usage:
No operand
A contact-driven command is not needed.

A contact-driven command is not needed. Automatically returns next command
after CALL command.

Indicates end of subprogram. After end of subprogram, SRET returns to main
program, and executes next command after the original call subprogram CALL
command.

Refer to the FEND command explanation and sample content for detailed
command functions.