Rockwell Automation 8720MC Drives Integration Manual User Manual
Page 62
Publication 8720MC-IN002A-EN-P — December 2002
3-8
Troubleshooting Your 8720MC Servo Drive
To view the fault parameters in Display mode on the HIM:
1. Press any key from the status display. “Choose Mode” is shown.
2. Press the increment up key or the decrement down key to show
“Display”. Press the enter key to select it.
3. Press the increment or decrement key to find “Status/Faults”. Press
the enter key to select the file
4. Press the increment up key or the decrement down key until
“Errors” is displayed.
5. For this example press enter to select the “Errors” group
6. Press the increment up key or the decrement down key until “Shut
Down Errors” is displayed.
7. Press enter to select “Shut Down Errors”
The 8720MC Drive fault parameters are reported using the format
shown in the figure below. In this example a “1” in bit 2 indicates a
motor over temperature fault.
Figure 3.2
Fault Parameter Format
Depressing the select key allows the user to determine the nature of
the fault. Each time the select key is depressed the arrow symbol
moves to the next higher bit. The top line provides the message text
associated with that fault.
Figure 3.3
Fault Display
Parameters 13 and 129 are additional parameters that have the same
fault display format.
I
n
p
t
u
m
a
g
e
x
x
x
x
0
0
0
0
0
0
0
0
0
0
0
1
Bit 15
Bit 5
Bit 0
I
M
o
t
r
o
v
r
t
m
p
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
O
Error indication - Bit 2