Mitsubishi Electric MELSEC L Series User Manual page 132

No. Name
SD5
SD6
SD7
SD8
SD9
SD10
Error common
information
SD11
SD12
SD13
SD14
SD15
(a) Extension names
SD
n
Upper 8 bits Lower 8 bits
51H
51H
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Meaning
• Stores common information corresponding to the error code stored in SD0.
• The following three types of information are stored here.
• The error common information type can be determined by "common information
category code" stored in SD4. (The values stored in "common information category
code" correspond to the following 1) to 3).)
1) Module No.
*1 The slot number is defined as follows:
[Slot No.]
This value identifies the connected module.
The module connected to the right of the head module is considered "Slot No. = 0",
and the rest of the modules are numbered incrementally in series.
*2 If a module is not mounted on any slots as set, FFH is stored.
*3 If FFFFH is stored in SD6 (I/O No.), this indicates that the I/O No. cannot be
identified due to an error such as overlap of an I/O No. in the "I/O Assignment" tab
Error common
of PLC parameter. In this case, identify the error location using SD5.
information
2) File name/drive name
3) Time (value set)
*4 For extension names, refer to the table below on this page.
SD
Extension
n+1
name
Upper 8 bits
50H 41H
44H 49H
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Explanation
Number Meaning
Slot No.
SD5
I/O No. 3
SD6
SD7
SD8
SD9
SD10
(Empty)
SD11
SD12
SD13
SD14
SD15
Number Meaning
SD5
Drive
SD6
SD7
File name
SD8
(ASCII code: 8 characters)
SD9
SD10 4 2E (.)
Extension
H
SD11 (ASCII code: 3 characters)
SD12
SD13
(Empty)
SD14
SD15
Number Meaning
SD5 Time : 1 s units (0 to 999 s)
SD6 Time : 1ms units (0 to 65535ms)
SD7
SD8
SD9
SD10
(Empty)
SD11
SD12
SD13
SD14
SD15
QPA Parameter
QDI Initial device value
1, 2
(Example) File name =
ABCDEFGH. IJK
b15 to b8 b7 to b0
42 (B) 41 (A)
H H
44 (D) 43 (C)
H H
46 (F) 45 (E)
H H
48 (H) 47 (G)
H H
49 (I) 2E (.)
H H
4B (K) 4A (J)
H H
File type
Set by
(Set timing)
S
(Error)