Rockwell Automation GMLC Reference Manual - Manual (Page 134)

Publication GMLC-5.2 - November 1999
Verifying Hookups 97
1. In the Hookups page of the Configure Axis Use dialog box, select the
Marker Test button.
2. When prompted by GML Commander, manually turn the axis to
generate a maker pulse.
3. Click OK to close the message box and run the marker test.
4. If the test succeeds, GML Commander will display a successful test
message.
5. If the test fails, check the encoder hookup and return to step 1.
Align Absolute Device
If you are using Absolute devices, you must align the absolute position of
the device to correspond to the position of the axis.
Note: This selection applies only to controllers using iCODE version
3.2 and higher.
How to Align an Absolute Device
Select this to let an absolute encoder or resolver align itself to an axis’
zero position, and simultaneously update the axis home position.
Be sure all external components are connected and the program, including
all configured Axis and Drive data, is downloaded.
Then, do the following:
1. In the Feedback page of the Configure Axis Use dialog box, select an
absolute Transducer Type.
!
ATTENTION: Failure to download can cause
uncontrolled motion when performing controller
diagnostic routines.