Mitsubishi Electric MELSEC FX3U Programming Manual page 893

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Number and name
PLC Status
[D]8007
Operation frequency of M8007 is stored.
Momentary power
Cleared at power-off.
failure count
*1
Default:
D 8008
• FX , FX
3U
Power failure
• FX
2NC
detection
[D]8009 Minimum input device number of extension units in
24V DC failed device which 24V DC has failed.
*1. The power failure detection time in FX
- 10ms for FX
- 100ms maximum for FX
the range from 10 to 100ms.
- 5ms for FX
- 5ms for FX
correction. Do not make any change in a sequence program.
- For FX
Clock
Accumulated instruction-execution time from step 0
[D]8010
(in 0.1-ms units)
Present scan time
Minimum value of scan time
[D]8011
(in 0.1-ms units)
Minimum scan time
Maximum value of scan time
[D]8012
(in 0.1-ms units)
Maximum scan time
0 to 59 seconds
D 8013
(for real time clock)
Second data
0 to 59 minutes
D 8014
(for real time clock)
Minute data
0 to 23 hours
D 8015
(for real time clock)
Hour data
1 to 31 days
D 8016
(for real time clock)
Day data
1 to 12 months
D 8017
(for real time clock)
Month data
2 digits of year data (0 to 99)
D 8018
(for real time clock)
Year data
D 8019 0 (Sunday) to 6 (Saturday)
Day-of-the-week (for real time clock)
data
*2. A memory board having the real time clock function is required in FX
Content of register
PLCs: 10 ms (AC power supply type)
2N
, FX PLCs: 5 ms
3UC
(DC power supply type)
PLCs used with a 100V AC power supply system. D8008 is set to 10ms by default.
2N
PLCs used with a 200V AC power supply system. D8008 can be set in
2N
PLCs used with a DC power supply type. Write "K-1" to D8008 for correction.
2N
PLCs used with a DC power supply type. System writes "K-1" to D8008 for
2NC
and FX PLCs, refer to Subsection 37.2.4.
3U 3UC
→Refer to Subsection 37.2.5
→Refer to Subsection 37.2.5.
→Refer to Subsection 37.2.5.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
→Refer to Subsection 37.2.7.
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
FX FX FX
3G 3U 3UC
–
–
and FX PLCs is as follows.
2N 2NC
Same Same Same
as on as on as on
the the the
right right right
Applicable model
Correspond-
ing special FX FX FX FX
1S 1N 2N
device
M8007 – – –
M8008 – – –
M8009 – – –
–
Indicated value includes
– waiting time of constant scan
operation (when M8039 is
activated).
–
–
–
–
–
–
–
–
PLCs.
2NC
31
FX
1NC 2NC
32
33
34
35
36
*2
37
*2
*2
38
*2
*2
A
*2
*2
B
891