Displaying The Life Of The Converter Parts (Pr. 31 To Pr. 33) - Mitsubishi Electric FR-HC2-7.5K Instruction Manual

3.4.8

Displaying the life of the converter parts (Pr. 31 to Pr. 33)

Degrees of deterioration of control circuit capacitor, cooling fan and inrush current limit circuit can be diagnosed by the
monitor.
When any part has approached the end of its life, an alarm can be output by self diagnosis to prevent a fault.
(Use the life check of this function as a guideline since the life is calculated theoretically.)
Parameter
Name
Number
31 Life alarm status display
Inrush current limit circuit life
32
display
Control circuit capacitor life
33
display
(1) Life alarm display and signal output (Y14 signal, Pr. 31 )
 Whether any of the control circuit capacitor, cooling fan, and inrush current limit circuit has reached the life alarm output
level or not can be checked by Pr. 31 Life alarm status display and life alarm signal (Y14).
bit 15 7
0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
Pr. 255 bit
(decimal) (binary)
13 1101
12 1100
9 1001
8 1000
5 0101
4 0100
1 0001
0 0000
:With warnings, : Without warnings
 The life alarm signal (Y14) turns ON when any of the control circuit capacitor, cooling fan and inrush current limit circuit
reaches the life alarm output level.
 For the terminal used for the Y14 signal, set "14 (positive logic)" or "114 (negative logic)" to any of Pr. 11 to Pr. 16 (output
terminal function selection).
NOTE

Changing the terminal assignment using Pr. 11 to Pr. 16 (output terminal function selection) may affect other functions. Set
parameters after confirming the function of each terminal.
Initial Value
0
100%
100%
0
1
bit0 Control circuit capacitor life
bit2 Cooling fan life
bit3 Inrush current limit circuit life
Inrush Current Cooling
Limit Circuit Life Fan Life




 
 








Description of parameters
Setting
Range
Displays whether the control circuit capacitor, cooling
(0 to 15) fan, and each parts of the inrush current limit circuit has
reached the life alarm output level or not. Reading only
Displays the deterioration degree of the inrush current
(0 to 100%)
limit circuit. Reading only
Displays the deterioration degree of the control circuit
(0 to 100%)
capacitor. Reading only
Pr. 31 read
Control Circuit
Capacitor Life








Description
Pr. 31 setting read
Bit image is displayed
in decimal
3
81