815
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 -)
31
FN
C
275-FN
C
279
Da
ta
Tr
ans
fe
r 3
32
FN
C
280
-F
N
C
28
9
H
igh Speed
Pr
oces
si
ng 2
33
FN
C
290-FN
C
299
Ext
ensi
on Fi
le
R
egi
st
er
34
SF
C
•S
T
L
Pr
o
g
ra
m
m
in
g
35
In
te
rru
p
t
Funct
ion
36
Sp
e
cia
l De
vic
e
37
E
rro
r C
o
d
e
A
V
e
rs
ion U
p
In
fo
rm
a
tio
n
B
Ex
ec
ut
ion Ti
m
e
s
C
Appl
ic
ab
le
In
st
ru
ct
ion Li
st
PLC Status
[D]8007
Momentary power
failure count
Operation frequency of M8007 is stored.
Cleared at power-off.
3
3
M8007
–
–
3
–
3
D 8008
Power failure
detection
Default:
*1
•
FX
3U
, FX
2N
PLCs: 10 ms (AC power supply type)
•
FX
2NC
, FX
3UC
PLCs: 5 ms
(DC power supply type)
3
3
M8008
–
–
3
–
3
[D]8009
24V DC failed device
Minimum input device number of extension units and
extension power units in which 24V DC has failed.
3
3
M8009
–
–
3
–
3
*1.
The power failure detection time in FX
2N
and FX
2NC
PLCs is as follows.
-
10ms for FX
2N
PLCs used with a 100V AC power supply system. D8008 is set to 10ms by default.
-
100ms maximum for FX
2N
PLCs used with a 200V AC power supply system. D8008 can be set in
the range from 10 to 100ms.
-
5ms for FX
2N
PLCs used with a DC power supply type. Write "K-1" to D8008 for correction.
-
5ms for FX
2NC
PLCs used with a DC power supply type. System writes "K-1" to D8008 for
correction. Do not make any change in a sequence program.
-
For FX
3U
and FX
3UC
PLCs, refer to Subsection 36.2.4.
Clock
[D]8010
Present scan time
Accumulated instruction-execution time from 0 step
(in units of 0.1 ms)
→
Refer to Subsection 36.2.5
3
Same
as on
the
right
3
Same
as on
the right
–
3
Indicated value includes waiting
time of constant scan operation
(when M8039 is activated).
[D]8011
Minimum scan time
Minimum value of scan time
(in units of 0.1 ms)
→
Refer to Subsection 36.2.5.
–
[D]8012
Maximum scan time
Maximum value of scan time
(in units of 0.1 ms)
→
Refer to Subsection 36.2.5.
–
D 8013
Second data
0 to 59 seconds
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8014
Minute data
0 to 59 minutes
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8015
Hour data
0 to 23 hours
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8016
Day data
1 to 31 days
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8017
Month data
1 to 12 months
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8018
Year data
2 digits of year data (0 to 99)
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
D 8019
Day-of-the-week
data
0 (Sunday) to 6 (Saturday)
(for real time clock)
→
Refer to Subsection 36.2.7.
3
3
–
3
3
3
3
3
*2
*2.
A memory board having the real time clock function is required in FX
2NC
PLCs.
Number and name
Content of register
Applicable model
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC
Содержание FX3U Series
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