IMPULSE
®
•G+ Mini Technical Manual
November 2020
Page 132
Table 5-20: Maintenance
Monitor
Name
Function
Units
U04.01
Elapsed Time
Cumulative VFD operation time. Defined by O03.02
hr
U04.03
Cooling Fan Operation Time
Cumulative operating time of cooling fan.
hr
U04.04
Cooling Fan Maintenance
Displays main cooling fan usage time in as a percentage of its
expected performance life. (See O03.03)
%
U04.05
Capacitor Maintenance
Displays main circuit capacitor usage time in as a percentage of their
expected performance life. (See O03.05)
%
U04.06
Pre-Charge Relay
Maintenance
Displays the pre-charge relay maintenance time as a percentage of
its estimated performance life. (See O03.07)
%
U04.07
IGBT Maintenance
Displays IGBT usage time as a percentage of the estimated
performance life. (See O03.09)
%
U04.08
Heatsink Temperature
Displays the heatsink temperature.
°C
U04.09
LED Check
Lights all segments of the LED to verify that the display is working
properly.
-
U04.10
kWh; Lower 4 Digits
Monitors the VFD output power. The value is shown as a 9 digit
number displayed across two monitor parameters, U04.10 and
U04.11.
kWh
U04.11
kWh; Upper 5 Digits
-
MWh
U04.12
CPU Resources Used
Displays the amount of space being used in the CPU.
-
U04.13
Peak Hold Current
Displays the highest current value that occurred during run.
-
U04.14
Peak Hold Output Frequency
Displays the output frequency when the current value shown in
U04.13 occurred.
-
U04.16
Motor Overload (oL1)
Detection Level
Shows the value of the motor overload detection accumulator. 100%
is equal to the OL1 detection level. Accumulator is reset when VFD
power is cycled.
-
U04.17
Motor Overload (oL2)
Detection Level
100% = OL2 detection level.
-
U04.18
Frequency Reference Source
Selection
Displays the source for the frequency reference as XY-nn.
-
U04.19
Frequency Reference Modbus Displays the frequency reference provided by Modbus (decimal).
-
U04.20
Output Frequency Reference
(decimal)
Displays the frequency reference input by an option card (decimal). -
U04.21
Run Command Selection
Results
Displays the source for the Run command as XY-nn.
-
U04.22
Modbus Communication
Reference
Displays the VFD control data set by Modbus communications
register no. 0001H as a four-digit hexadecimal number.
-
U04.23
Option Card Reference
Displays VFD control data set by an option card as a four-digit
hexadecimal number.
-
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