ABB ACS880 N5700 Series - Page 6

35Set position ........................................................................................................
35Homing ................................................................................................................
35Velocity ................................................................................................................
36Relative ................................................................................................................
36Absolute ..............................................................................................................
36Position index ....................................................................................................
36Gear in .................................................................................................................
37Stop ......................................................................................................................
37Halt .......................................................................................................................
37Watchdog ...........................................................................................................
37Additive ...............................................................................................................
37Superimposed ...................................................................................................
38Phasing relative .................................................................................................
38Latching ..............................................................................................................
38Virtual master ....................................................................................................
38Actual position ..........................................................................................................
39Position calculation ..........................................................................................
40Actual position scaling .....................................................................................
40Actual position tracking ..................................................................................
40Terms and definitions ......................................................................................
41Overview .............................................................................................................
42
Example 1 – Pulley transmission with position feedback from motor
encoder ...............................................................................................................
43
Example 2 – Pulley transmission with position feedback from load-side
encoder ...............................................................................................................
43Example 3 – Linear screw with laser distance measurement ...................
44Modulo operation .....................................................................................................
44Example ...............................................................................................................
45Position limits ...........................................................................................................
45Software limits ..................................................................................................
45Hardware limits .................................................................................................
45Position latching .......................................................................................................
46Homing .......................................................................................................................
46Homing modes ..................................................................................................
47Mode 0 .................................................................................................................
48Mode 1 .................................................................................................................
49Mode 2 .................................................................................................................
50Mode 3 .................................................................................................................
50Mode 4 .................................................................................................................
51Position controller ....................................................................................................
51Master reference ......................................................................................................
52Virtual master ....................................................................................................
53Master/follower functionality for position control ...................................
54
Communication parameters for transmitting data to follower
drives .......................................................................................................
6 Table of contents