Siemens SINAMICS S110 - DRIVE-CLiQ coupling

Drive functions
7.3 Function modules
Function Manual
218 Function Manual, 01/2011, 6SL3097-4AB10-0BP3
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Figure 7-39 Position actual value sensing with rotary encoders
The link between the physical variables and the neutral length unit LU is established via
parameter p2506 (LU per load revolution) for rotary encoders. Parameter p2506 mirrors,
together with p2504, p2505, the interrelationship between encoder increments and the
neutral position unit LU.
Example:
Rotary encoder, ball screw with a pitch of 10 mm/revolution. 10 mm should have a resolution
of 1 µm (i.e. 1 LU = 1 µm).
→ One load revolution corresponds to 10000 LU
→ p2506 = 10000
Note
The effective actual value resolution is obtained from the product of the encoder pulses
(p0408) and the fine resolution (p0418).
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Figure 7-40 Position actual value sensing with linear encoders