Mitsubishi MELSEC Q Series Programming Manual page 578

LEN(P)
Operation Error
(1) In the following case, an operation error occurs, the error flag (SM0) turns ON, and an error
code is stored into SD0.
• There is no "00
designated by
Program Example
(1) The following program outputs the length of the character string from D0 to Y40 to Y4F as
BCD 4-digit values.
[Ladder Mode]
[List Mode]
Step
[Operation]
b15
D0
D1
D2
D3
D4
D5
D6
7-204
" set within the relevant device range following the device number
H
.
S
Instruction Device
b8b7
49 (I) 4D (M)
H H
53 (S) 54 (T)
H H
42 (B) 55 (U)
H H
53 (S) 49 (I)
H H
49 (I) 48 (H)
H H
41 (A) 00
H H
42 (C) 43 (B)
H H
Outputs the length of character
string to a display device.
b0
"MITSUBISHI"
(Characters "ABC"
that follow 00 are ignored)
H
(Error code: 4101)
D10
Y4F Y40
BCD conversion
10 0 0 1 0
BCD
BCD value