Delta MS300 Series User Manual page 707

Chapter 16 PLC Function ApplicationsMS300
Command
MPP Read stack
Operand
Retrieves the result of the previously saved logical operation from the stack, and saves
to the cumulative register. (subtract one from stack pointer)
Ladder diagram:
Command
OUT Drive coil
X0–X17
Operand
Outputs the result of the logical operation before the OUT command to the designated
element.
Coil contact action:
Ladder diagram:
Y0–Y17
－

Result:
Coil
FALSE OFF
TRUE ON
X1
X0
Function
N/A
Function
M0–M799 T0–159

Out command
Access Point:
Contact A (N.O.) Contact B (N.C.)
Not conducting Conducting
Conducting Not conducting
Y1
698
Command code: Description:
LD X0 Load Contact A of X0
MPS Save to the stack
Create a series
AND X1 connection to
contact A of X1
OUT Y1 Drive Y1 coil
Read the stack
MRD (pointer does not
change)
Create a series
AND X2 connection to
contact A of X2
OUT M0 Drive M0 coil
MPP Read stack
OUT Y2 Drive Y2 coil
END
Program conclusion
C0–C79
－ －
Command code: Description:
Load Contact B of
LD X0
X0
Establish a parallel
AND X1 connection to
contact A of X1
Y1 Drive Y1 coil
OUT
D0–D399
－