App - 99
APPENDICES
Table App. 3.11. Special register
ACPU
Special
Register
Special
Register
after
Conversion
Special
Register for
Modification
Name Meaning Details
Corresponding
CPU
D9085 SD1085
Register for
setting time
check value
1 s to 65535 s
• Sets the time check time of the data link instructions (ZNRD,
ZNWR) for the MELSECNET/10.
• Setting range : 1 s to 65535 s (1 to 65535)
• Setting unit: 1 s
• Default value : 10 s (If 0 has been set, default 10 s is applied)
QnA
D9090 SD1090
Number of
special
functions
modules over
Number of special
functions modules
over
• For details, refer to the manual of each microcomputer program
package.
QnA
D9091 SD1091
Detailed error
code
Self-diagnosis
detailed error code
• Stores the detail code of cause of an instruction error. QnA
D9094 SD1094 SD251
Head I/O
number of I/O
module to be
replaced
Head I/O number of I/
O module to be
replaced
• Stores the first two digits of the head I/O number of the I/O module,
which will be dismounted/mounted online (with power on), in BIN
value.
Example) Input module X2F0 H2F
QnA
D9100 SD1100
–
Fuse blown
module
Bit pattern in units of
16 points, indicating
the modules whose
fuses have blown
• Output module numbers (in units of 16 points), of which fuses have
blown, are entered in bit pattern. (Preset output module numbers
when parameter setting has been performed.)
• Fuse blow check is executed also to the output module of remote I/
O station.
(If normal status is restored, clear is not performed. Therefore, it is
required to perform clear by user program.)
QnA
D9101 SD1101
D9102 SD1102
D9103 SD1103
D9104 SD1104
D9105 SD1105
D9106 SD1106
D9107 SD1107
D9108 SD1108
–
Step transfer
monitoring timer
setting
Timer setting valve
and the F number at
time out
• Set the value of the step transition monitoring timer and the
annunciator number (F number) that will be turned ON when the
monitoring timer times out.
• By turning ON any of SM1108 to SM1114, the monitoring timer
starts. If the transition condition following a step which corresponds
to the timer is not established within set time, set annunciator (F) is
turned on.)
QnA
D9109 SD1109
D9110 SD1110
D9111 SD1111
D9112 SD1112
D9113 SD1113
D9114 SD1114
D9116 SD1116
–
I/O module
verification error
Bit pattern, in units of
16 points, indicating
the modules with
verification errors.
• When I/O modules, of which data are different from those entered
at power-ON, have been detected, the I/O module numbers (in
units of 16 points) are entered in bit pattern. (Preset I/O module
numbers set in parmeters when parameter setting has been
performed.)
• I/O module verify check is executed also to remote I/O station
modules.
(If normal status is restored, clear is not performed. Therefore, it is
required to perform clear by user program.)
QnA
D9117 SD1117
D9118 SD1118
D9119 SD1119
D9120 SD1120
D9121 SD1121
D9122 SD1122
D9123 SD1123
b15 b14b13b12b11b10
b9
b8
b7 b6 b5 b4 b3 b2 b1 b0
00000000
1
(Y80)
000
1
(YC0)
000
0000000000000000
00000000000000
1
Y7
B0
1
Y7
30
SD1100
SD1101
SD1107
Indicates fuse blow.
b15 b7 b0b8to to
(02 to 255)
F number setting Timer time limit setting
(1 to 255 s:(1 s units))
b15 b14b13b12b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0000000000000
000000000000000
00000000000000
1
XY
7B0
SD1116
SD1117
SD1123
1
XY
0
1
XY
190
0
00
Indicates an I/O module verify error.
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