U3: fault history – Yaskawa Z1000U HVAC Matrix Bypass User Manual
Page 345

No.
(Addr.
Hex)
Name
LCD Display
Description
Analog
Output Level
Unit
U2-14
(008D)
Cumulative Operation
Time at Previous Fault Elapsed time
Displays the cumulative operation time at the previous fault.
No signal output
available
1 h
U2-15
(07E0)
Soft Starter Speed
Reference at Previous
Fault
SFS Output
Displays the speed reference for the soft starter at the previous
fault.
No signal output
available
0.01 Hz
U2-16
(07E1)
Motor q-Axis Current at
Previous Fault
Motor Iq Current
Displays the q-axis current for the motor at the previous fault.
No signal output
available
0.10%
U2-20
(008E)
Heatsink Temperature at
Previous Fault
Actual Fin Temp
Displays the temperature of the heatsink when the most recent
fault occurred.
No signal output
available
1 °C
U2-30
(3008)
Date Year at Previous
Fault
Date Year YYYY
Displays the year when the most recent fault occurred.
No signal output
available
–
U2-31
(3009)
Date Month and Day at
Previous Fault
Date Mo Day MMDD Displays the date and day when the most recent fault occurred. No signal output
available
–
U2-32
(300A)
Time Hours and Minutes
at Previous Fault
Time Hr Min HHMM Displays the time when the most recent fault occurred.
No signal output
available
–
U2-50
(085C) Input Power Supply
Power Supply Sts
Information at Previous Fault Displays the input power supply
information at the previous fault. Displayed as in U1-72.
No signal output
available
–
U2-54
(0843)
Power Supply Voltage at
Previous Fault
PowerSupply Volt
Displays the power supply voltage at the previous fault.
Displayed as in U1-54.
No signal output
available
1 V
U2-58
(0847)
Power Supply
Frequency at Previous
Fault
PowerSupply Freq
Displays the power supply frequency at the previous fault.
Displayed as in U1-58.
No signal output
available
0.1 Hz
<1> Display is in the following units based on drive model:
2o0028, 2o0042, and 4o0011 to 4o0027: 0.01 A units
2o0054 to 2o0248 and 4o0034 to 4o0414: 0.1 A units
<2> When reading the value of this monitor via MEMOBUS/Modbus, a value of 8192 is equal to 100% of the drive rated output current.
u
U3: Fault History
No.
(Addr.
Hex)
Name
LCD Display
Description
Analog
Output Level
Unit
U3-01 to
U3-04
(0090 to
0093
(0800 to
0803))
First to 4th Most Recent
Fault
Fault Message o
Displays the first to the fourth most recent faults.
Refer to Fault Trace Contents on page 408
No signal output
available
–
U3-05 to
U3-10
(0804 to
0809)
5th to 10th Most Recent
Fault
Fault Message o
Displays the fifth to the tenth most recent faults.
After ten faults, data for the oldest fault is deleted. The most
recent fault appears in U3-01, with the next most recent fault
appearing in U3-02. The data is moved to the next monitor
parameter each time a fault occurs.
Refer to Fault Trace Contents on page 408
No signal output
available
–
U3-11 to
U3-14
(0094 to
0097
(080A to
080D))
Cumulative Operation
Time at 1st to 4th Most
Recent Fault
Elapsed Time o
Displays the cumulative operation time when the first to the
fourth most recent faults occurred.
No signal output
available
1 h
U3-15 to
U3-20
(080E to
0813)
Cumulative Operation
Time at 5th to 10th Most
Recent Fault
Elapsed Time o
Displays the cumulative operation time when the fifth to the tenth
most recent faults occurred.
No signal output
available
1 h
U3-21
(300B)
Date Year at Most
Recent Fault
Fault 1 YYYY
Displays the year when the most recent fault occurred.
No signal output
available
–
U3-22
(300C)
Date Month and Day at
Most Recent Fault
Fault 1 MMDD
Displays the date and day when the most recent faults occurred. No signal output
available
–
U3-23
(300D)
Time Hours and Minutes
at Most Recent Fault
Fault 1 HHMM
Displays the time when the most recent fault occurred.
No signal output
available
–
B.14 U: Monitors
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual
345
B
Parameter List