Mitsubishi MELSEC Q Series Programming Manual page 772

KEY
Program Example
(1) The following program fetches data of the 5 or fewer digits from the numerical key pad
connected to X20 to X28, and stores it to the area starting from D0 when X0 is turned ON.
[Ladder Mode]
[List Mode]
Step
[Operation]
Numerical keypad
7-398
Instruction Device
" "
1 2 3 4 5
(Strobe signal)
Clears the previous input data
Sets the number of digits to be input
Resets the data input completion fag
Input module
X20
X21
X22
b15 b12 b11
X23
D0
X24
2
D1
H
X25
0
D2
H
X26
X27
X28
b8 b7 b4 b3 b0
5
3 4 5
H H H
0 0 1
H H H