Reads The Current Result Of The Internal Plc Operations - Delta Electronics AC Motor Drive VFD-E User Manual

Explanations:
To save contents of the accumulative register into the operation result. (the result operation pointer
pluses 1)
Mnemonic
MRD
Operand
Explanations:
Reading content of the operation result to the accumulative register. (the pointer of operation result
doesn't move)
Mnemonic
MPP
Operand
Explanations:
Reading content of the operation result to the accumulative register. (the stack pointer will decrease
1)
Program Example:
Ladder diagram:
MPS
X0
MRD
MPP
Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11

Reads the current result of the internal PLC operations

Reads the current result of the internal PLC operations
X1
Y1
X2
M0
Y2
END
Appendix D How to Use PLC Function|
Function
None
Function
None
Command code: Operation:
LD X0 Load contact A of X0
MPS Save in stack
AND X1 Connect to contact A of X1 in
series
OUT Y1 Drive Y1 coil
MRD Read from the stack (without
moving pointer)
AND X2 Connect to contact A of X2 in
series
OUT M0 Drive M0 coil
MPP Read from the stack
OUT Y2 Drive Y2 coil
END End program
D-35