Connection Instructions : Operation Result, Push, Read, Pop - Mitsubishi Electric 700 Series Programming Manual

Sequence Instructions
3.25.4 Connection Instructions :
Operation result, push, read, pop ... MPS, MRD, MPP
Bit devices
X Y M
Functions
MPS
(1) Stores the operation result (ON/OFF) immediately before itself.
(2) The MPS instruction can be used consecutively up to 12 times.
In the ladder mode, however, it can be used up to 11 times.
When the MPP instruction is used midway, the number of used MPS instructions
is decremented by 1.
MRD
(1) Reads the operation result stored by the MPS instruction, and continues
operation from the next step with that operation result.
MPP
(1) Reads the operation result stored by the MPS instruction, and continues
operation from the next step with that operation result.
(2) Clears the operation result stored by the MPS instruction.
120
Usable Devices
Word (16-bit) devices
T C D
MPS, MRD and MPP do not appear in ladder display.
Constants Level
K H N
Digit
Error Flag
Desig
nation
(M9010,M9011)