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Real Time Clock Function - Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual

Fr-a800 series.
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The real time clock function is enabled using an optional LCD operation panel (FR-LU08).
Pr.
Name
1006
Clock (year)
2000 years
E020
1007
Clock (month,
101
E021
day)
(January 1)
1008
Clock (hour,
0
E022
minute)
(00:00)
 Simple clock function
• When the year, month, day, time and minute are set in the parameters, the inverter counts the date and time. The date
and time can be checked by reading the parameters.
NOTE
• The clock's count-up data is saved in the inverter's EEPROM every 10 minutes.
• The clock does not count up while the control circuit power supply is OFF. The clock function must be reset after turning ON
the power supply. Use a separate power supply, such as an external 24 V power supply, for the control circuit of the simple
clock function, and supply power continuously to this control circuit.
• In the initial setting, inverter reset is performed if supplying power to the main circuit is started when power is supplied only to
the control circuit. Then, the clock information stored in EEPROM is restored. Reset at the start of supplying power to the main
circuit can be disabled by setting Pr.30 Regenerative function selection. (Refer to
• The set clock is also used for functions such as faults history.
 Real time clock function
• When the FR-LU08 is connected to the inverter, the internal clock of the inverter can be synchronized with the clock of FR-
LU08. (Real time clock function) With a battery (CR1216), the FR-LU08 time count continues even if the main power of the
inverter is turned OFF. (The time count of the inverter internal clock does not continue when the inverter power is turned
OFF.)
• To adjust the clock of FR-LU08, use the FR-LU08 and set Pr.1006 to Pr.1008.
NOTE
• Time adjustment between the inverter internal clock and the FR-LU08 is performed every one minute.
• When the FR-LU08 clock is initialized after the battery is exhausted for example, the inverter internal clock is valid.
Initial value
Setting range
2000 to 2099
101 to 131, 201 to 228, (229),
301 to 331, 401 to 430, 501 to 531,
601 to 630, 701 to 731, 801 to 831,
901 to 930, 1001 to 1031,
1101 to 1130, 1201 to 1231
0 to 59, 100 to 159, 200 to 259,
300 to 359, 400 to 459, 500 to 559,
600 to 659, 700 to 759, 800 to 859, 900 to
959, 1000 to 1059,
1100 to 1159, 1200 to 1259,
1300 to 1359, 1400 to 1459,
1500 to 1559, 1600 to 1659,
1700 to 1759, 1800 to 1859,
1900 to 1959, 2000 to 2059,
2100 to 2159, 2200 to 2259,
2300 to 2359
Count-up
1:00
Hz Out
0. 00
Hz
−−−
STOP
PU
1:00
PREV
SET
NEXT
Synchronization
1:00
Power-OFF
Inverter internal clock
Inverter internal clock
Set the year.
Set the month and day.
1000's and 100's digits: January to December,
10's and 1's digits: 1 to end of month (28, 29, 30 or
31).
For December 31, set "1231".
Set the hour and minute using the 24-hour clock.
1000's and 100's digits: 0 to 23 hours,
10's and 1's digits: 0 to 59 minutes.
For 23:59, set "2359".
Count-up
2:00
3:00
Hz Out
Hz Out
0. 00
0. 00
Hz
Hz
−−−
STOP
PU
−−−
STOP
PU
2:00
3:00
PREV
SET
NEXT
PREV
SET
NEXT
Synchronization
1:00
3:00
Power-ON
Inverter internal clock
Description
page
689.)
5. PARAMETERS
5.7 (E) Environment setting parameters
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