Resolver Alignment on Siemens Servo motors- signals


The number of sine and cosine periods per revolution corresponds to the number of pole pairs of the resolver. In the case of a 2-pole resolver, the evaluation electronics may output an additional zero pulse per encoder revolution. This zero pulse ensures a unique assignment of the position information in relation to an encoder revolution. A 2-pole resolver can therefore be used as a single-turn encoder.

2-pole resolvers can be used for motors with any number of poles. With multi-pole resolvers, the pole pair numbers of the motor and the resolver are always identical, so that the resolution is correspondingly higher than with 2-pole resolvers.


Resolvers without DRIVE‑CLiQ interface1)

Resolver p = 1

2-pole resolver

Resolver p = 3

6-pole resolver

Resolver p = 4

8-pole resolver

Resolvers with DRIVE-CLiQ interface


Resolver 15 bit
(resolution 32768, internal, multi-pole)


Resolver 14 bit
(resolution 16384, internal, 2-pole)

1) Output signals:

    2-pole resolver: 1 sin/cos signal per revolution

    6-pole resolver: 3 sin/cos signals per revolution

    8-pole resolver: 4 sin/cos signals per revolution

Technical specifications


Resolvers without DRIVE‑CLiQ interface

Excitation voltage, rms

2 ... 8 V

Excitation frequency

5 ... 10 kHz

Output signals

Usine track = r × Uexcitation × sin α

Ucosine track = r × Uexcitation × cos α

α = arctan (Usine track/Ucosine track)

Transmission ratio

r = 0.5 ± 5 %

Resolvers with DRIVE‑CLiQ interface

Supply voltage

24 V

  • Resolution


Are you Looking for ideas on How to Re Install, Align, Adjust Encoder on Siemens 1FK6 ,
Call ServoMotorExperts to align the Encoder
User is Adviced Not to disturb,The Encoder at Servo motor. If The Encoder is disturbed for any reason, the Alignment Encoder at Siemens 1FT6 can not be Restored by USER. Call : Servo Motor Experts, 
The Re-Alignment of Encoders is a specialised service procedure requiring specialised tools, equipments and training.
Encoder Alignment Requires special Encoder Alignment Equipment that we Own.

We can Align Encoder on your Siemens Synchronous AC Servo motor to Factory setting and Run Test it to validate the Alignment.

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