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FX Series Programmable Controller Diagnostic Devices 6
6-3
6.2 Clock Devices (M8010 to M8019 and
D8010 to D8019)
For symbol key see pa
g
e 6-1.
Note 2:
• For FX
0
, FX
0S
PLC’s and FX0N PLC’s not fitted with a RTC, the re
g
ister D8013
represents the value read from the first settin
g
‘pot’ in msec, ran
g
e (0 to 255).
Diagnostic
Device
Operation
Diagnostic
Device
Operation
M8010 Reserved
D8010 ( )
Present scan
time
Current operation c
y
cle / scan
time in units of 0.1 msec
M8011 ( )
10 msec
clock pulse
Oscillates in 10 msec c
y
cles
D8011 ( )
Minimum
scan time
Minimum c
y
cle/ scan time in
units of 0.1 msec
M8012 ( )
100 msec
clock pulse
Oscillates in 100 msec
c
y
cles
D8012 ( )
Maximum
scan time
Maximum c
y
cle/ scan time in
units of 0.1 msec
(waitin
g
time for constant scan
mode is not included)
M8013 ( )
1 sec
clock pulse
Oscillates in 1 sec c
y
cles
M8014 ( )
1 min
clock pulse
Oscillates in 1 min c
y
cles
The following devices apply to FX
2N(C)
PLC’s and to FX
0N
, FX and FX
2C
PLC’s when a
real time clock cassette is installed.
D8013
Seconds
Seconds data for use with
an RTC cassette (0 - 59)
(FX
0(S)
, FX
0N
see note 2)
D8014
Minute data
Minute data for use with an
RTC cassette (0-59)
M8015
Time settin
g
When ON - clock stops, ON
OFF restarts clock
D8015
Hour data
Hour data for use with an RTC
cassette (0-23)
M8016
Re
g
ister data
When ON D8013 to 19 are
frozen but clock continues
D8016
Da
y
data
Da
y
data for use with an RTC
cassette (1-31)
M8017
Min. roundin
g
When pulsed ON set RTC
to nearest minute
D8017
Month data
Month data for use with an
RTC cassette (1-12)
M8018 (
)
RTC available
When ON Real Time Clock
is installed
D8018
Year data
Year data for use with an RTC
cassette (0-99)
M8019
Settin
g
error
Clock data has been set out
of ran
g
e
D8019
Weekda
y
data
Weekda
y
data for use with an
RTC cassette (0-6)