806
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
36 Operation of Special Devices (M8000 -, D8000 -)
36.1 Special Device List (M8000 -, D8000 -)
RS (FNC 80) and Computer Link [ch1] (Refer to Data Communication Edition for details.)
[M]8120
Not used
–
–
–
–
–
–
–
–
[M]8121
*1
RS (FNC 80) instruction: Send wait flag
3
3
–
3
3
3
3
3
M 8122
*1
RS (FNC 80) instruction: Send request
3
3
D8122
3
3
3
3
3
M 8123
*1
RS (FNC 80) instruction: Receive complete flag
3
3
D8123
3
3
3
3
3
[M]8124
RS (FNC 80) instruction: Carrier detection flag
3
3
–
3
3
3
3
3
[M]8125
Not used
–
–
–
–
–
–
–
–
[M]8126
Computer link [ch1] Global ON
3
3
D8127
D8128
D8129
3
3
3
3
3
[M]8127
Computer link [ch1] On-demand send processing
3
3
3
3
3
3
3
M 8128
Computer link [ch1] On-demand error flag
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
*1.
Cleared when PLC switches from RUN to STOP or RS instruction is OFF.
High Speed Counter Comparison, High Speed Table, and Positioning [Positioning is supported in FX
1S
, FX
1N
, and FX
1NC
PLCs.]
M 8130
HSZ (FNC 55)instruction: Table comparison mode
3
3
D8130
–
–
3
–
3
[M]8131
HSZ (FNC 55)instruction:
Table comparison mode completion flag
3
3
–
–
3
–
3
M 8132
HSZ (FNC 55) and PLSY (FNC 57) instructions:
Speed pattern mode
3
3
D8131 to
D8134
–
–
3
–
3
[M]8133
HSZ (FNC 55) and PLSY (FNC 57) instructions:
Speed pattern mode completion flag
3
3
–
–
3
–
3
[M]8134
Not used
–
–
–
–
–
–
–
–
[M]8135
–
–
–
–
–
–
–
–
[M]8136
–
–
–
–
–
–
–
–
[M]8137
–
–
–
–
–
–
–
–
[M]8138
HSCT (FNC280) instruction:
Instruction execution complete flag
3
3
D8138
–
–
–
–
–
[M]8139
HSCS(FNC 53), HSCR(FNC 54), HS2(FNC 55),
HSCT(FNC280) instructions:
High speed counter comparison instruction executing
3
3
D8139
–
–
–
–
–
M 8140
ZRN (FNC156) instruction:
CLR signal output function enable
–
–
–
3
3
–
3
–
[M]8141
Not used
–
–
–
–
–
–
–
–
[M]8142
–
–
–
–
–
–
–
–
[M]8143
–
–
–
–
–
–
–
–
[M]8144
–
–
–
–
–
–
–
–
M 8145
[Y000] Pulse output stop command
–
–
–
3
3
–
3
–
M 8146
[Y001] Pulse output stop command
–
–
–
3
3
–
3
–
[M]8147
[Y000] Pulse output monitor (BUSY/READY)
–
–
–
3
3
–
3
–
[M]8148
[Y001] Pulse output monitor (BUSY/READY)
–
–
–
3
3
–
3
–
[M]8149
Not used
–
–
–
–
–
–
–
–
Number and name
Operation and function
Applicable model
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC