
APPENDICES
APP - 23
MELSEC-A
Table 2.2
Special registers list (Continue)
Number
Name
Description
Details
Applicable CPU
D9035
Extension file
register
Use block No.
• Stores the block No. of the extension file register being
used in BCD code.
—
Usable with AnA,
A2AS, AnU and
QCPU-A
(A Mode).
D9036
Total number of
stations
1 to 64
• Sets the total number of stations (1 to 64) of I/O modules
and remote terminal modules which are connected to an
A2C or A52G.
—
Usable with A2C
and A52G.
D9036
D9037
For designation
extension file
register device
numbers
The devise number
used for getting direct
access to each device
for extension file
register
• Designate the device number for the extension file
register for direct read and write in 2 words at D9036 and
D9037 in BIN data.
Use consecutive numbers beginning with R0 of block No.
1 to designate device numbers.
Block No.1
area
Extension file register
0
16383
16384
Device No.(BIN data)
D9037,D9036
Block No.2
area
to
to
to
—
Usable with AnA,
A2AS, AnU and
QCPU-A
(A Mode).
D9038
Priority 1 to 4
D9039
LED indication
priority
Priority 5 to 7
• Sets priority of ERROR LEDs which illuminate (or flicker)
to indicate errors with error code numbers.
• Configuration of the priority setting areas is as shown
below.
Priority 4
D9038
D9039
b15
. . . . . . .
b12
. . . . . . . . .
b11
b8
. . . . . . . . . .
b7
b4
. . . . . . . . . . .
b3
b0
Priority 3
Priority 2
Priority 1
Priority 6
Priority 7
Priority 5
• For details, refer to the applicable CPUs User’s Manual
and the ACPU (Fundamentals) Programming manual.
—
Usable with A2C,
AnS, AnSH,
A1FX, A0J2H,
A52G AnA,
A2AS, AnU and
QCPU-A
(A Mode).
D9044
Sampling trace
Step or time during
sampling trace
• The value stored in D9044 is used as the condition of the
sampling trace when M9044 is turned on or off with the
peripheral device to start sampling trace STRA or
STRAR .
At scanning..............0
At time .....................Time (10 ms unit)
Stores the value in BIN code for D9044.
Usable with A1
and A1N
D9049
SFC program
execution work
area
Expansion file register
block number to be
used as the work area
for the execution of a
SFC program.
• Stores the block number of the expansion file register
which is used as the work area for the execution of a
SFC program in a binary value.
• Stores "0" if an empty area of 16K bytes or smaller,
which cannot be expansion file register No. 1, is used or
if M9100 is OFF.
D9050
SFC program
error code
Code number of error
occurred in the SFC
program
• Stores code numbers of errors occurred in the SFC
program in BIN code.
0:
No error
80: SFC program parameter error
81: SFC code error
82: Number of steps of simultaneous execution
exceeded
83: Block start error
84: SFC program operation error
—
D9051
Error block
Block number in which
an error occurred.
• Stores the block number in which an error occurred in the
SFC program in BIN code.
In the case of error 83 the starting block number is
stored.
—
Usable with
AnN
, AnA
,
AnU, A2AS,
QCPU-A
(A Mode), A2C,
A0J2H, AnS,
AnSH, A1FX and
A52G.
: Usable with AnN and AnA which are compatible with SFC.
For the AnN and AnA which are compatible with SFC, refer to the MELSAP-ll Programming Manual.
Содержание A1SH
Страница 15: ...MEMO...