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Number
Name
SD16
SD17
SD18
SD19
SD20
Error
SD21
individual
information
SD22
SD23
SD24
SD25
SD26
Diagnostics
SD27
error CPU
identifier
SD50
Error reset
Battery low
SD51
latch
SD52
Battery low
AC DOWN
SD53
detection
App-20
Appendix 3 SPECIAL REGISTER LIST
TableApp.3.2 Special register
Meaning
10) CC-Link Safety information
Number
SD16
Number of items for individual information
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD25
SD26
11) Program abort information
Number
SD16
SD17
SD18
SD19
SD20
Error individual
SD21
SD22
information
SD23
SD24
SD25
SD26
*5 : The specified abort code is stored by the S.QSABORT
instruction.
12) File diagostics information
Number
SD16
SD17
SD18
SD19
SD20
SD21
SD22
(ASCII code: 3 characters)
SD23
SD24
SD25
SD26
• The CPU identifier which the CPU issues diagnostics error
CPU identifier
SD0 to SD26 is stored
(CPU A/CPU B)
0001H : CPU A
0002H : CPU B
Error number
that performs
• Stores error number that performs error reset
error reset
• All corresponding bits go 1(ON) when battery voltage drops.
Bit pattern
• Subsequently, these remain 1(ON) even after battery voltage
indicating
has been returned to normal.
where
b15
battery voltage
drop occurred
Bit pattern
indicating
• Same configuration as SD51 above
where
• Turns to 0 (OFF) when the battery voltage returns to normal
battery voltage
thereafter.
drop occurred
Number of
• Every time the input voltage falls to or below 85% (AC power)
times
of the rating during calculation of the CPU module, the value
for AC DOWN
is incremented by 1 and stored in BIN code.
detection
Explanation
Meaning
individual information 1
individual information 2
individual information 3
individual information 4
individual information 5
individual information 6
individual information 7
individual information 8
individual information 9
individual information 10
Meaning
Abort code
5
(Empty)
(Example) File name =
Meaning
MAIN.QPG
Error
Drive No.
b15 to b8 b7 to b0
information
41
43
File name
20
(ASCII code: 8 characters)
20
51
2E
(.)
3
Extension
H
47
Error information 2
Error information 3
to
b1 b0
0
CPU module battery error
Set by
(When set)
S (Error)
(A)
40
(M)
H
H
(N)
49
(I)
H
H
(SP) 20
(SP)
H
x
(SP) 20
(SP)
H
H
(Q) 2E
(.)
H
H
(G) 50
(P)
H
H
S (Error)
U
S (Error)
S (Error)
S (Error)
Corresponding
CPU
QS
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