804
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 -)
Error Detection (Refer to Chapter 37 for details.)
[M]8060
I/O configuration error
3
3
D8060
–
–
3
–
3
[M]8061
PLC hardware error
3
3
D8061
3
3
3
3
3
[M]8062
PLC/PP communication error
–
–
D8062
–
–
3
–
3
[M]8063
*1*2
Serial communication error 1 [ch1]
3
3
D8063
3
3
3
3
3
[M]8064
Parameter error
3
3
D8064
3
3
3
3
3
[M]8065
Syntax error
3
3
D8065
D8069
D8314
*5
D8315
*5
3
3
3
3
3
[M]8066
Ladder error
3
3
D8066
D8069
D8314
*5
D8315
*5
3
3
3
3
3
[M]8067
*3
Operation error
3
3
D8067
D8069
D8314
*5
D8315
*5
3
3
3
3
3
M 8068
Operation error latch
3
3
D8068
D8312
*5
D8313
*5
3
3
3
3
3
M 8069
*4
I/O bus check
3
3
–
–
–
3
–
3
*1.
The operation varies according to a PLC:
-
Cleared in an FX
1S
, FX
1N
, FX
2N
, FX
1NC
, or FX
2NC
when PLC switches from STOP to RUN.
-
Not cleared in an FX
3U
or FX
3UC
PLC.
*2.
Serial communication error 2 [ch2] in FX
3U
and FX
3UC
PLCs is detected by M8438.
*3.
Cleared when PLC switches from STOP to RUN.
*4.
When M8069 is ON, I/O bus check is executed. <Refer to Subsection 37.3.1 for details.>
*5.
FX
3U
/FX
3UC
only supported.
Parallel Link
M 8070
*6
Parallel link Set M8070 when using master station.
3
3
–
3
3
3
3
3
M 8071
*6
Parallel link Set M8071 when using slave station.
3
3
–
3
3
3
3
3
[M]8072
Parallel link ON when operating
3
3
–
3
3
3
3
3
[M]8073
Parallel link
ON when M8070 or M8071 setting is incorrect
3
3
–
3
3
3
3
3
*6.
Cleared when PLC switches from STOP to RUN.
Sampling Trace
[M]8074
Not used
–
–
–
–
–
–
–
–
[M]8075
Ready request for sampling trace
3
3
D8075 to
D8098
–
–
3
–
3
[M]8076
Start request for sampling trace
3
3
–
–
3
–
3
[M]8077
ON during sampling trace
3
3
–
–
3
–
3
[M]8078
ON when sampling trace is completed
3
3
–
–
3
–
3
[M]8079
Sampling trace system area
3
3
–
–
3
–
3
[M]8080
Not used
–
–
–
–
–
–
–
–
[M]8081
–
–
–
–
–
–
–
–
[M]8082
–
–
–
–
–
–
–
–
[M]8083
–
–
–
–
–
–
–
–
[M]8084
–
–
–
–
–
–
–
–
[M]8085
–
–
–
–
–
–
–
–
[M]8086
–
–
–
–
–
–
–
–
[M]8087
–
–
–
–
–
–
–
–
[M]8088
–
–
–
–
–
–
–
–
[M]8089
–
–
–
–
–
–
–
–
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