Store The Current Result Of The Internal Plc Operations; Reads The Current Result Of The Internal Plc Operations - Delta C2000 series User Manual

Ladder diagram:
Example
X0
X2
Mnemonic

Store the current result of the internal PLC operations

MPS
Operand
To save contents of the accumulative register into the operation result. (the result
operation pointer pluses 1)
Mnemonic

Reads the current result of the internal PLC operations

MRD
Operand
Reading content of the operation result to the accumulative register. (the pointer of
operation result doesn't move)
Mnemonic
Reads the current result of the internal PLC operations
MPP
Operand
Reading content of the operation result to the accumulative register. (the stack pointer
will decrease 1)
Ladder diagram:
Example
X0
MRD
MPP
Block A
X1
Y1
X3
ORB
Block B
MPS
X1
Y1
X2
M0
Y2
END
16-40
Chapter 16 PLC Function |C2000 Series
Command code: Operation:
LD X0
ANI X1
LDI X2
AND X3
ORB
OUT Y1
Function
None
Function
None
Function
None
Command code: Operation:
LD X0
MPS
AND X1
OUT Y1
MRD
AND X2
OUT M0
MPP
OUT Y2
END
Load contact A of X0
Connect to contact B of
X1 in series
Load contact B of X2
Connect to contact A of
X3 in series
Connect circuit block in
parallel
Drive Y1 coil
Load contact A of X0
Save in stack
Connect to contact A of
X1 in series
Drive Y1 coil
Read from the stack
(without moving
pointer)
Connect to contact A of
X2 in series
Drive M0 coil
Read from the stack
Drive Y2 coil
End program