63
XYZ Machine Tools Ltd
TRAK
2
OP
Installation, Maintenance, Service & Part List Manual
The servo driver displays can show a number of operational parameters. The value shown on power up is
controlled by parameter P0-02. The factory default is 0, which displays motor encoder feedback pulses.
Other information can be displayed either by changing the value of P0-02 or by using the up/down button
to scroll through the available display types:
Figure 5.5.2g - Monitor Display
For example, by setting P0-02 to 12, the display will show the load on the motor as a percentage of
maximum. When an axis accelerates, you will see a spike in the displayed numbers. This is one way to
check the mechanics by seeing how much current it takes to drive an axis.
A number of diagnostic parameters can also be displayed:
•
P4-07: Display Digital Input status
•
P4-09: Display Digital Output status
See section 4.4 of the ASDA-B2 user manual for more information on monitor and diagnostics display.
Troubleshooting Axis Faults
The main goal of troubleshooting axis faults is to determine if the problem is caused by a mechanical
problem (drive train), computer module, servo drive, axis motor or the following cables: cable from
computer module to servo drive, encoder cable from servo to servo drive, motor power cable from servo
drive to axis motor.
Symptoms
Diagnostics
Constant Axes Faults - a
given axis will not run
and axis or following
error fault is on the
screen
1.
Confirm the computer module is not the problem. For this scenario, let’s
assume you are seeing an X axis fault. Swap the X and Y cables at the
computer module that run to the servo. This means the X axis port of
the computer module is now going to move the Y axis servo and motor.
If the Y axis motor now moves, this means the computer module is not
part of the problem. This test can be done with the X and Z or Y and Z
cables as well. Note – for the Z axis, you need to unplug the Z brake
input from the computer module as we want the brake holding the head
up otherwise the head will fall if the Z motor or servo is not working. Try
to move the Z axis with the EHW very slowly just to see if the axis
moves. This will drive the axis with the brake on.
2.
Confirm the drive trains are not binding and causing the fault. If a fault
is happening due to a mechanical problem, there is a good chance you
will get an overcurrent fault (AL001) on the drive.
Содержание TRAK 2OP M11 Mill
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