Absolute Position System - Siemens SINAMICS V90 Operating Instructions Manual

7.8

Absolute position system

When the SINAMICS V90 servo drive uses a servo motor with an absolute encoder. the
current absolute position can be detected and transmitted to the controller. With this function
of absolute position system, you can perform motion control task immediately after the servo
system is powered on, which means you do not have to carry out referencing or zero
position operation beforehand.
Restrictions
The absolute position system cannot be configured under the following conditions:
● Internal position control (IPos)
● Speed control (S)
● Torque control (T)
● Control change mode
● Strokeless coordinate system, for example, rotary shaft, infinitely long positioning
operation
● Change of electronic gear after referencing
● Use of alarm code output
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 07/2015, 6SL3298-0AV60-0BP0
Control functions
7.8 Absolute position system
197