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Fault Trace: U2
User constants for error tracing are shown in the following table.
Con-
stant
Number
Current fault
U2-01
Current Fault
Previous fault The contents of the error that
U2-02
Last Fault
Reference
frequency at
fault
U2-03
Frequency
Ref
Output fre-
quency at
U2-04
fault
Output Freq
Output cur-
rent at fault
U2-05
Output Cur-
rent
Motor speed
at fault
U2-06
Motor Speed
Output volt-
age reference
at fault
U2-07
Output Volt-
age
DC bus volt-
age at fault
U2-08
DC Bus Volt-
age
Output power
at fault
U2-09
Output
kWatts
Torque refer-
ence at fault
U2-10
Torque Refer-
ence
-80
5
Name
Description
Display
The contents of the current fault.
occurred just prior to the current
fault.
The reference frequency when
the previous fault occurred.
The output frequency when the
previous fault occurred.
The output current when the pre-
vious fault occurred.
The motor speed when the previ-
ous fault occurred.
The output reference voltage
when the previous fault occurred.
The main current DC voltage
when the previous fault occurred.
The output power when the pre-
vious fault occurred.
The reference torque when the
previous fault occurred. The
motor rated torque corresponds
to 100%.
Output Signal
Level During
Min.
Multi-Function
Unit
V/f
Analog Output
-
A
-
A
0.01
A
Hz
0.01
A
Hz
0.1 A
A
(Cannot be output.)
0.01
No
Hz
0.1 V
A
1 V
A
0.1
A
kW
0.1%
No
Control Methods
MEMO
Open
Open
BUS
V/f
Loop
Flux
Loop
Regis-
with
Vec-
Vec-
Vec-
ter
PG
tor
tor
tor
1
2
A
A
A
A
80H
A
A
A
A
81H
A
A
A
A
82H
A
A
A
A
83H
A
A
A
A
84H
A
A
A
A
85H
A
A
A
A
86H
A
A
A
A
87H
A
A
A
A
88H
No
A
No
A
89H
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