828
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
Memory Information
[M]8101
Not used
–
–
–
–
–
–
–
–
–
[M]8102
–
–
–
–
–
–
–
–
–
[M]8103
–
–
–
–
–
–
–
–
–
[M]8104
ON when function extension memory is installed.
–
–
–
D8104
D8105
–
–
3
*1
–
3
*1
[M]8105
ON when writing to memory cassette
3
3
3
–
–
–
–
–
–
[M]8106
Not used
–
–
–
–
–
–
–
–
–
[M]8107
Device comment registration check
–
3
3
D8107
–
–
–
–
–
[M]8108
Not used
–
–
–
–
–
–
–
–
–
*1.
Available in Ver. 3.00 or later.
Output Refresh Error (Refer to Chapter 38 for details.)
[M]8109
Output refresh error
3
3
3
D8109
–
–
3
–
3
[M]8110
Not used
–
–
–
–
–
–
–
–
–
[M]8111
–
–
–
–
–
–
–
–
–
Expansion Board [Dedicated to FX
1S
and FX
1N
]
M 8112
FX
1N
-4EX-BD: BX0 input
–
–
–
–
3
3
–
–
–
FX
1N
-2AD-BD: ch1 input mode change
–
–
–
D8112
3
3
–
–
–
M 8113
FX
1N
-4EX-BD: BX1 input
–
–
–
–
3
3
–
–
–
FX
1N
-2AD-BD: ch2 input mode change
–
–
–
D8113
3
3
–
–
–
M 8114
FX
1N
-4EX-BD: BX2 input
–
–
–
–
3
3
–
–
–
FX
1N
-1DA-BD: output mode change
–
–
–
D8114
3
3
–
–
–
M 8115
FX
1N
-4EX-BD: BX3 input
–
–
–
–
3
3
–
–
–
M 8116
FX
1N
-2EYT-BD: BY0 output
–
–
–
–
3
3
–
–
–
M 8117
FX
1N
-2EYT-BD: BY1 output
–
–
–
–
3
3
–
–
–
[M]8118
Not used
–
–
–
–
–
–
–
–
–
[M]8119
–
–
–
–
–
–
–
–
–
RS (FNC 80) and Computer Link [ch1] (Refer to Data Communication Edition for details.)
[M]8120
Not used
–
–
–
–
–
–
–
–
–
[M]8121
*2
RS (FNC 80) instruction: Send wait flag
3
3
3
–
3
3
3
3
3
M 8122
*2
RS (FNC 80) instruction: Send request
3
3
3
D8122
3
3
3
3
3
M 8123
*2
RS (FNC 80) instruction: Receive complete flag
3
3
3
D8123
3
3
3
3
3
[M]8124
RS (FNC 80) instruction: Carrier detection flag
3
3
3
–
3
3
3
3
3
[M]8125
Not used
–
–
–
–
–
–
–
–
–
[M]8126
Computer link [ch1] Global ON
3
3
3
D8127
D8128
D8129
3
3
3
3
3
[M]8127
Computer link [ch1] On-demand send processing
3
3
3
–
–
3
–
3
M 8128
Computer link [ch1] On-demand error flag
3
3
3
3
3
3
3
3
M 8129
Computer link [ch1] On-demand Word / Byte
changeover
RS (FNC 80) instruction: Time-out check flag
3
3
3
3
3
3
3
3
*2.
Cleared when PLC switches from RUN to STOP or RS instruction is OFF.
Number and name
Operation and function
Applicable model
FX
3G
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC