ABB IRB 5720, Product Manual

Page: 577 / 610

2 Run the manipulator to the verification position. (The manipulator position
is now deviating from the verification position.)
3 Read and note current axis 4 value in degrees (example: 96.3 degrees).
4 Manually jog, only axis 4, so that the manipulator is correctly positioned to
the verification position.
5 Read and note current axis 4 value in degrees (example: 94.2 degrees).
6 Move the manipulator to its calibration position.
7 Calculate the angle difference (ie 96.3-94.2=2.1 degrees).
8 Manually jog axis 4 the calculated angle difference (-2.1). NOTE! The direction
+/- shall be the same direction as the direction used when axis 4 was manually
jogged to coincide with the verification process. In the example -2.1 degrees.
9 Make a new manual fine calibration of axis 4 with axis in -2.1 degrees position.
10 Check again against the verification position.
11 Repeat the manual tuning if needed.
12 Create a new reference if the intention is to use the reference in the future.
Product manual - IRB 5720 577
3HAC079195-001 Revision: A
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6 Calibration
6.4.5 Reference calibration
Continued