174 inverter dgn1, 175 inverter dgn2 – Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual
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Parameters
174
Inverter Dgn1
Inverter Dgn1 shows the results of the transistor diagnostic tests.
If any of the bits are set, then a problem with the associated test
is indicated.
The bits are defined as follows:
Parameter number
File:group
Autotune:Autotune Status
Parameter type
source
Display
bits
Factory default
not applicable
Minimum value
00000000.00000000
Maximum value
00111111.11111111
Conversion
1 = 1
Refer to Chapter 13, Understanding the Auto-tuning Procedure,
for more information.
Bit
Description
0
Soft Fault
A software fault occurred.
1
No Mtr/Bfuse
No motor connected or an open bus fuse.
2
Short Ph U-W
Phase U and W shorted.
3
Short Ph U-V
Phase U and V shorted.
4
Short Ph V-W
Phase V and W shorted.
5
Short Module
Shorted modules.
6
Gnd Flt Mod
Ground fault.
7
PriorTst Flt
Fault before shorted module ran.
Bit
Description
8
Over Voltage
A hardware overvoltage fault occurred.
9
Desaturation
A hardware desaturation fault occurred.
10
Ground Fault
A hardware ground fault occurred.
11
Overcurrent
A hardware phase overcurrent fault occurred.
12
Open Transis
Open power transistor(s).
13
No Cur Fdbk
Current feedback fault(s).
14 – 15 Reserved
Leave 0.
175
Inverter Dgn2
Inverter Dgn2 shows the results of the transistor diagnostic tests.
If any of the bits are set, then a problem with the associated test
is indicated.
The bits are defined as follows:
Parameter number
File:group
Autotune:Autotune Status
Parameter type
source
Display
bits
Factory default
not applicable
Minimum value
00000000.00000000
Maximum value
11111111.11111111
Conversion
1 = 1
Refer to Chapter 13, Understanding the Auto-tuning Procedure,
for more information.
Bit
Description
0
U Up Short
Transistor U upper shorted
1
U Lo Short
Transistor U lower shorted
2
V Up Short
Transistor V upper shorted
3
V Lo Short
Transistor V lower shorted
4
W Up Short
Transistor W upper shorted
5
W Lo Short
Transistor W lower shorted
Bit
Description
6
U Offset
Current fdbk ph U offset too big
7
W Offset
Current fdbk ph W offset too big
8
U Up Open
Transistor U upper open
9
U Lo Open
Transistor U lower open
10
V Up Open
Transistor V upper open
Bit
Description
11
V Lo Open
Transistor V lower open
12
W Up Open
Transistor W upper open
13
W Lo Open
Transistor W lower open
14
U Open
Current feedback phase U open
15
W Open
Current feedback phase W open