U2: fault trace – Yaskawa Matrix Converter User Manual
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U2: Fault Trace
Parameter
Number
Name
Description
Output Signal
Level during Multi-
Function Analog
Output
Min.
Unit
Control
Methods
MEMO-
BUS
Register
Display
V/f
Open
Loop
Vector
Flux
Vector
U2-01
Current fault
The contents of the current fault.
No output available
-
A
A
A
80H
Current Fault
U2-02
Previous fault
The contents of the error that occurred
just prior to the current fault.
-
A
A
A
81H
Last Fault
U2-03
Reference
frequency at fault
The reference frequency when the previ-
ous fault occurred.
0.01Hz
A
A
A
82H
Frequency Ref
U2-04
Output frequency at
fault
The output frequency when the previous
fault occurred.
0.01Hz
A
A
A
83H
Output Freq
U2-05
Output current at
fault
The output current when the previous
fault occurred.
0.1 A
A
A
A
84H
Output Current
U2-06
Motor speed at fault The motor speed when the previous fault
occurred.
0.01 Hz
No
A
A
85H
Motor Speed
U2-07
Output voltage
reference at fault
The output reference voltage when the
previous fault occurred.
0.1
VAC
A
A
A
86H
Output Voltage
U2-08
Control circuit
voltage at fault
The control circuit voltage when the pre-
vious fault occurred.
1 VDC
A
A
A
87H
PS Voltage
U2-09
Output power at
fault
The output power when the previous
fault occurred.
0.1 kW
A
A
A
88H
Output kWatts
U2-10
Torque reference at
fault
The reference torque when the previous
fault occurred. The motor rated torque
corresponds to 100%.
0.1%
No
A
A
89H
Torque Reference
U2-11
Input terminal
status at fault
The input terminal status when the previ-
ous fault occurred.
The format is the same as for U1-10.
-
A
A
A
8AH
Input Term Sts
U2-12
Output terminal sta-
tus at fault
The output terminal status when the pre-
vious fault occurred. The format is the
same as for U1-11.
-
A
A
A
8BH
Output Term Sts
U2-13
Operation status at
fault
The operating status when the previous
fault occurred. The format is the same as
for U1-12.
-
A
A
A
8CH
MxC Status
U2-14
Cumulative opera-
tion time at fault
The operating time when the previous
fault occurred.
1 hr
A
A
A
8DH
Elapsed time
U2-23
*
Power voltage
Monitors the input power supply voltage
in the MxC.
10 V: 400 VAC (200 V
class)
800 VAC (400 V
class)
(0 V to 10V possible)
1VAC
A
A
A
7E8H
Power Voltage