Mitsubishi Electric MELSEC FX3U Programming Manual page 896

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Number and name
Error Detection (Refer to Chapter 38 for details.)
If the unit or block corresponding to a programmed
I/O number is not actually loaded, M8060 is set to
ON and the first device number of the erroneous
block is written to D8060.
Example: If X020 is unconnected.
[D]8060
[D]8061 Error code for PLC hardware error
Error code for PLC/PP communication error
[D]8062
Error code for serial communication error 0 [ch0]
*4
Error code for serial communication error 1 [ch1]
[D]8063
[D]8064 Error code for parameter error
[D]8065 Error code for syntax error
[D]8066 Error code for ladder error
*5
Error code for operation error
[D]8067
*5
Operation error step number latched
D 8068
*5
Error step number of M8065 to M8067
[D]8069
*3. 10 to 337 in FX
*4. The operation varies according to PLC:
- Cleared in an FX
- Cleared in an FX
*5. Cleared when PLC switches from STOP to RUN.
*6. In case of 32K steps or more, step number is stored in [D8313, D8312].
*7. In case of 32K steps or more, step number is stored in [D8315, D8314].
Parallel Link (Refer to Data Communication Edition for details.)
[D]8070 Parallel link error time-out check time: 500 ms
[D]8071
[D]8072 Not used
[D]8073
894
Content of register
1 0 2 0 BCD converted value
Device number
1: Input X 0: Output Y
, FX , FX and FX
3U 3UC 2N
, FX , FX
1S 1N
, FX , or FX
3G 3U
37 Operation of Special Devices (M8000 -, D8000 -)
FX FX
3G 3U
*3
–
*6
*7
PLCs, and 10 to 177 in FX
2NC
, FX , or FX when PLC switches from STOP to RUN.
2N 1NC 2NC
PLC when the power is turn off and on.
3UC
– –
– –
– –
37.1 Special Device List (M8000 -, D8000 -)
Applicable model
Correspond-
FX ing special FX FX
3UC 1S 1N
device
M8060 – –
M8061
M8062 – –
– M8062 – –
M8063
M8064
M8065
M8066
M8067
*6
M8068
M8065 to
*7
M8067
PLCs
3G
–
– – – –
– – – –
– – – –
FX FX FX
2N 1NC 2NC
–
–
– – –
– – –
– – –
– – –