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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
Error Detection (Refer to Chapter 38 for details.)
[M]8060 I/O configuration error – D8060 – – –
[M]8061 PLC hardware error D8061 – – –
[M]8062
PLC/PP communication error
*1
– –
*1
*1
D8062
Serial communication error 0 [ch0]
*2
– – – D8062 – – – – –
[M]8063
*3*4
Serial communication error 1 [ch1] D8063
[M]8064 Parameter error D8064
[M]8065 Syntax error
D8065
D8069
D8314
D8315
[M]8066 Ladder error
D8066
D8069
D8314
D8315
[M]8067
*5
Operation error
D8067
D8069
D8314
D8315
M 8068 Operation error latch
D8068
D8312
D8313
M 8069
*6
I/O bus check – ––––
*1. It truns on, only when a memory access error (6230) occurs in FX3S/FX3U/FX3UC PLCs.
*2. Cleared when PLC power supply is turned from OFF to ON.
*3. The operation varies according to PLC:
- Cleared in an FX
1S/FX1N/FX1NC/FX2N/FX2NC PLCs when PLC switches from STOP to RUN.
- Cleared in an FX
3S/FX3G/FX3GC/FX3U/FX3UC PLCs when PLC power supply from OFF to ON.
*4. Serial communication error 2 [ch2] is detected by M8438 in FX
3G/FX3GC/FX3U/FX3UC PLCs.
*5. Cleared when PLC switches from STOP to RUN.
*6. When M8069 is ON, I/O bus check is executed. <Refer to Chapter 38 for details.>
Parallel Link
M 8070
*7
Parallel link Set M8070 when using master
station.
–
M 8071
*7
Parallel link Set M8071 when using slave
station.
–
[M]8072 Parallel link ON when operating –
[M]8073
Parallel link
ON when M8070 or M8071 setting is incorrect
–
*7. Cleared when PLC switches from STOP to RUN.
Sampling Trace [FX3U/FX3UC/FX2N/FX2NC]
[M]8074 Not used – – – – – – –––––
[M]8075 Ready request for sampling trace – – –
D8075 to
D8098
–––
[M]8076 Start request for sampling trace – – – –––
[M]8077 ON during sampling trace – – – –––
[M]8078 ON when sampling trace is completed – – – –––
[M]8079 Sampling trace system area – – – –––
Number and
name
Operation and function
Applicable model
FX
3S
FX
3G
FX
3GC
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
1NC
FX
2N
FX
2NC