615
KEY
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7.18
Ot
her inst
ructions
7.18.7
KEY
Operat
i
on
E
rror
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into
SD0.
Program
E
xamp
l
e
(1) The following program fetches data of the 5 or fewer digits from the numerical keypad connected to X20 to X28, and
stores it to the area from D0 to D2 when X0 is turned ON.
[Ladder Mode]
[List Mode]
[Operation]
Error
code
Error details
Q00J/
Q00/
Q01
QnH
QnPH QnPRH
QnU
LCPU
4100
The device specified in is not an input (X) device.
The number of digits specified in n is outside the range from 1 to 8.
––
––
––
––
S
Clears the pre
v
ious input data
Sets the number of digits to be input
Resets the data input completion fag
Step
I
nstruct
i
on
De
vi
ce
X20
X21
X22
X23
X24
X25
X26
X27
(Strobe signal)
Input module
b15 b12
b0
b3
b7 b4
b8
b11
5
2
H
3
H
4
H
5
H
0
H
1
H
0
H
0
H
D0
D1
D2
X28
Numerical keypad
"
"
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3
4
5