Mitsubishi MELSEC QS Series, User Manual

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APPENDICES
Appendix 2 Special Register List
App
- 7
9
De
vi
ce E
xpl
an
ati
on
10
CP
U Mo
du
le P
ro
cessin
g
Ti
m
e
11
Pr
oced
ur
e for
W
ri
tin
g
Pr
ogr
am
to
C
P
U Mo
du
le
Ap
pe
nd
ice
s
Ind
e
x
Remark
*3 : Extensions are shown in TableApp.11.
TableApp.10 Special register
Number Name Meaning Explanation
Set by
(When set)
Corresponding
CPU
SD5
Error
common
information
Error common
information
• Common information corresponding to the error codes (SD0)
is stored here.
• The following six types of information are stored here:
1) Module No./Base No.
*1: The storing value "255" in SD5 (Slot No.) indicates that the
slot number for a module specified by an instruction cannot
be identified. When storing the base number to SD5, store 0
(main base unit).
*2: The storing value "FFFFH" in SD6 (I/O No.) indicates that the
I/O number cannot be identified on the I/O assignment setting
tab of PLC parameter due to overlapping of I/O numbers or
that the I/O number cannot be identified from the network
number specified by an instruction. In this case, the error
location can be identified in SD5.
2) File name/Drive name
S (Error) QS
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
TableApp.11 Extension name
SDn SDn+1 Extension
name
File type
Higher 8 bits Lower 8 bits Higher 8 bits
51H 50H 41H QPA
Parameters
51H 50H 47H QPG
Sequence program
51H 43H 44H QCD Device comment
1 SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
Number
Slot No./Base No.
I/O No. 2
Meaning
(Empty)
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
2E
H
(.)
3
Number Meaning
Drive
File name
(ASCII code: 8 characters)
Extension
(ASCII code: 3 characters)
(Empty)
MAIN.QPG
41
H
(A) 40
H
(M)
43
H
(N) 49
H
(I)
20
H
(SP) 20
x
(SP)
20
H
(SP) 20
H
(SP)
51
H
(Q) 2E
H
(.)
47
H
(G) 50
H
(P)
b15 to b8 b7 to b0
(Example) File name =