Mitsubishi MELSEC Q Series Programming Manual page 155

1. The following shows ladders both using and not using the MPS, MRD, and
Ladder Using the MPS, MRD and MPP Instruction Ladder not Using MPS, MRD, and MPP Instructions
X0
2. The MPS and MPP instructions must be used the same number of times.
Operation Error
(1) There are no errors associated with the MPS, MRD, or MPP instruction.
Program Example
(1) A program using the MPS, MRD, and MPP instructions.
[Ladder Mode]
1)
2)
3)
6)
MPP instructions.
X1 X2
Y10
X3 X4
Y11
X5
Y12
Failure to observe this will not correctly display the ladder in the ladder mode of
the peripheral device.
4)
5)
7)
8)
9)
10)
MPS,MRD,MPP
X0 X1 X2
Y10
X0 X1 X3 X4
Y11
X0 X1 X5
Y12
[List Mode]
Instruction
Step
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
1
2
3
4
5
6
7
8
Device
5-13