YASKAWA L1000A - Page 212

B Parameter Table
210 YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
■ U2: Fault Trace
No. Name Description
Analog Output
Level
Unit
U2-01
<10> The display resolution depends on the rated output power of the drive. Models CIMR-LU20008 to 20033, 40005 to 40018, and
50003 to 50013 display values in 0.01 A units, while models CIMR-LU20047 to 20415, 40024 to 40605, and 50017 to 50200
display values in 0.1 A units.
<29> Setting units are determined by the digital operator display unit selection (o1-03). When o1-03 = 0, the value is set in Hertz. When o1-03 = 4 or
5, the value is displayed in m/s. When o1-03 = 6, the value is displayed in ft/min.
<40> When checking the values of U1-03, U2-05 and U4-13 with the digital operator they are displayed in units of amperes, but when they are
checked using MEMOBUS communications, the monitor value in MEMOBUS communications is: displayed numeric value / 8192 × drive’s
rated current (A), from the condition “8192 (maximum value) = drive’s rated current (A)”.
Current Fault Displays the current fault.
No signal output
available
–
U2-02 Previous Fault Displays the previous fault.
No signal output
available
–
U2-03
Speed Reference at
Previous Fault
Displays the speed reference at the previous fault.
No signal output
available
0.01%
<29>
U2-04
Output Speed at
Previous Fault
Displays the output speed at the previous fault.
No signal output
available
0.01%
<29>
U2-05
Output Current at
Previous Fault
Displays the output current at the previous fault.
No signal output
available
<10> <40>
U2-06
Motor Speed at
Previous Fault
Displays the motor speed at the previous fault.
No signal output
available
0.01%
<29>
U2-07
Output Voltage at
Previous Fault
Displays the output voltage at the previous fault.
No signal output
available
0.1 Vac
U2-08
DC Bus Voltage at
Previous Fault
Displays the DC bus voltage at the previous fault.
No signal output
available
1 Vdc
U2-09
Output Power at
Previous Fault
Displays the output power at the previous fault.
No signal output
available
0.1 kW
U2-10
Torque Reference at
Previous Fault
Displays the torque reference at the previous fault.
No signal output
available
0.1%
U2-11
Input Terminal Status at
Previous Fault
Displays the input terminal status at the previous fault. Displayed as in U1-10.
No signal output
available
–
U2-12
Output Terminal Status
at Previous Fault
Displays the output status at the previous fault. Displayed as in U1-11.
No signal output
available
–
U2-13
Drive Operation Status
at Previous Fault
Displays the operation status of the drive at the previous fault. Displayed as in
U1-12.
No signal output
available
–
U2-14
Cumulative Operation
Time at Previous Fault
Displays the cumulative operation time at the previous fault.
No signal output
available
1 h
U2-15
Soft Starter Output at
Previous Fault
Displays the run speed after a soft start when a previous fault occurred. Displayed
as in U1-16.
No signal output
available
0.01%
<29>
U2-16
Motor q-Axis Current at
Previous Fault
Displays the q-axis current for the motor at the previous fault. Displayed as in
U6-01.
No signal output
available
0.1%
U2-17
Motor d-Axis Current at
Previous Fault
Displays the d-axis current for the motor at the previous fault. Displayed as in
U6-02.
No signal output
available
0.1%
U2-20
Heatsink Temperature
at Previous Fault
Displays the temperature of the heatsink when the most recent fault occurred.
Displayed as in U4-08.
No signal output
available
1°C
U2-21
Peak Hold Current
during Fault
Displays the peak current that occurred just prior to the previous fault.
No signal output
available
0.01 A
U2-22
Peak Hold Frequency
during Fault
Displays the output frequency when the peak current displayed in U2-21
occurred.
No signal output
available
0.01 Hz
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