YASKAWA Z1000 - U4: Maintenance Monitors

No.
(Addr.
Hex)
Name LCD Display Description
Analog
Output Level
Unit
U3-48
(3026)
Date Year at 10th Most
Recent Fault
Fault 10 YYYY Displays the year when the tenth most recent fault occurred. No signal output
available
–
U3-49
(3027)
Date Month and Day at
10th Most Recent Fault
Fault 10 MMDD Displays the date and day when the tenth most recent fault
occurred.
No signal output
available
–
U3-50
(3028)
Time Hours and Minutes
at 10th Most Recent
Fault 10 HHMM Displays the time when the tenth most recent fault occurred. No signal output
available
–
u
U4: Maintenance Monitors
No.
(Addr.
Hex)
Name LCD Display Description
Analog
Output Level
Unit
U4-01
(4C)
Cumulative Operation
Time
Drv Elapsed Time
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
(75)
Number of Run
Commands
RUN Cmd Counter
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
(67)
Cooling Fan Operation
Time
Fan Elapsed TIme
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
(7E)
Cooling Fan
Maintenance
Fan Life Mon
Displays main cooling fan usage time as a percentage of its
expected performance life. Parameter o4-03 can be used to reset
this monitor.
No signal output
available
1%
U4-05
(7C)
Capacitor Maintenance Cap Life Mon
Displays main circuit capacitor usage time as a percentage of their
expected performance life. Parameter o4-05 can be used to reset
this monitor.
No signal output
available
1%
U4-06
(7D6)
Soft Charge Bypass
Relay Maintenance
ChgCirc Life Mon
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.
No signal output
available
1%
U4-08
(68)
Heatsink Temperature Heatsink Temp
Displays the heatsink temperature.
10 V: 100 °C 1 °C
U4-09
(5E)
LED Check LED Oper Check
Lights all segments of the LED to verify that the display is
working properly.
No signal output
available
–
U4-10
(5C)
kWh, Lower 4 Digits kWh Lower 4 dig
Monitors the drive output power. The value is shown as a 9-digit
number displayed across two monitor parameters, U4-10 and
U4-11.
Example:
12345678.9 kWh is displayed as:
U4-10: 678.9 kWh
U4-11: 12345 MWh
No signal output
available
1 kWh
U4-11
(5D)
kWh, Upper 5 Digits kWh Upper 5 dig
No signal output
available
1 MWh
U4-13
(7CF)
Peak Hold Current Current PeakHold
Displays the highest current value that occurred during run.
No signal output
available
0.01 A
<1>
U4-14
(7D0)
Peak Hold Output
Frequency
Freq@ I PeakHold
Displays the output frequency when the current value shown in
U4-13 occurred.
No signal output
available
0.01 Hz
U4-16
(7D8)
Motor Overload
Estimate (oL1)
Motor OL1 Level
Shows the value of the motor overload detection accumulator.
100% is equal to the oL1 detection level.
10 V: 100% 0.1%
B.13 U: Monitors
336
YASKAWA ELECTRIC TOEP C710616 45F YASKAWA AC Drive – Z1000 User Manual