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U4: Maintenance Monitors
No.
(Addr.
Hex)
Name
LCD Display
Description
Analog
Output Level
Unit
U4-01
(004C)
Cumulative Operation
Time
Drv Elapsed Time
All Modes
Displays the cumulative operation time of the drive. The value
for the cumulative operation time counter can be reset in
parameter o4-01. Use parameter o4-02 to determine if the
operation time should start as soon as the power is switched on
or only while the Run command is present. The maximum
number displayed is 99999, after which the value is reset to 0.
No signal output
available
1 h
U4-02
(0075)
Number of Run
Commands
RUN Cmd Counter
All Modes
Displays the number of times the Run command is entered. Reset
the number of Run commands using parameter o4-13. This value
will reset to 0 and start counting again after reaching 65535.
No signal output
available
1 Time
U4-03
(0067)
Cooling Fan Operation
Time
Fan Elapsed TIme
All Modes
Displays the cumulative operation time of the cooling fan. The
default value for the fan operation time is reset in parameter
o4-03. This value will reset to 0 and start counting again after
reaching 99999.
No signal output
available
1 h
U4-04
(007E)
Cooling Fan
Maintenance
Fan Life Mon
All Modes
Displays main cooling fan usage time as a percentage of its
expected performance life. Parameter o4-03 can be used to reset
this monitor.
Replace the fan when this monitor reaches 90%.
No signal output
available
1%
U4-05
(007C) Capacitor Maintenance
Cap Life Mon
All Modes
Displays control circuit capacitor usage time as a percentage of
their expected performance life. Parameter o4-05 can be used to
reset this monitor.
Replace the capacitor when this monitor reaches 90%.
No signal output
available
1%
U4-06
(07D6)
Soft Charge Bypass
Relay Maintenance
ChgCirc Life Mon
All Modes
Displays the soft charge bypass relay maintenance time as a
percentage of its estimated performance life. Parameter o4-07
can be used to reset this monitor.
Replace the soft charge bypass relay when this monitor reaches
90%.
No signal output
available
1%
U4-08
(0068) Heatsink Temperature
Heatsink Temp
All Modes
Displays the heatsink temperature.
10 V: 100 °C
1 °C
U4-09
(005E) LED Check
LED Oper Check
All Modes
Lights all segments of the LED to verify that the display is
working properly.
No signal output
available
–
U4-13
(07CF) Peak Hold Current
Current PeakHold
All Modes
Displays the highest current value that occurred during run.
No signal output
available
U4-14
(07D0)
Peak Hold Output
Frequency
Freq@ I PeakHold
All Modes
Displays the output frequency when the current value shown in
U4-13 occurred.
No signal output
available
0.01 Hz
U4-16
(07D8)
Motor Overload
Estimate (oL1)
Motor OL1 Level
All Modes
Shows the value of the motor overload detection accumulator.
100% is equal to the oL1 detection level.
10 V: 100%
0.1%
B.15 U: Monitors
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
577
B
Parameter List
Содержание U1000 iQpump Drive
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