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4.21.3 Maintenance timer alarm (Pr. 503, Pr. 504)
The cumulative energization time of the inverter is stored into the EEPROM every hour and is displayed in
Pr. 503
Maintenance timer
in 100h increments.
Pr. 503
is clamped at 9998 (999800h).
When the
Pr. 503
value reaches the time set to
Pr. 504
Maintenance timer alarm output set time
(100h increments), the
maintenance timer alarm output signal (Y95) is output.
For the termial used for the Y95 signal output, assign the function by setting "95" (positive logic) or "195" (negative logic) to
Pr. 190 or Pr. 192 (output terminal function selection)
.
When the cumulative energization time of the inverter reaches the parameter set time, the maintenance timer output
signal (Y95) is output.
(MT) is displayed on the operation panel.
This can be used as a guideline for the maintenance time of peripheral devices.
Parameter
Number
Name
Initial Value
Setting Range
Description
503
Maintenance timer
0
0 (1 to 9998)
Displays the cumulative energization time
of the inverter in 100h increments.
(Reading only)
Writing the setting of "0" clears the
cumulative energization time.
504
Maintenance timer alarm
output set time
9999
0 to 9998
Time taken until when the maintenance
timer alarm output signal (Y95) is output.
9999
No function
The above parameters can be set when
Pr. 160 Extended function display selection
= "0".
NOTE
The cumulative energization time is counted every hour. The energization time of less than 1h is not counted.
Changing the terminal assignment using
Pr. 190, Pr.
192 (output terminal function selection)
may affect the other functions.
Make setting after confirming the function of each terminal.
Parameters referred to
Pr. 190, Pr. 192 (output terminal function selection)
First power
Time
ON
Maintenance
timer
(
Pr. 503
)
Set "0" in
Pr. 503
Y95 signal
MT display
OFF
ON
ON
Pr. 504
9998
(999800h)
Содержание FR-D700 Series
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