Siemens SINUMERIK 828D

G2: Velocities, setpoint / actual value systems, closed-loop control
7.4 Setpoint/actual-value system
Basic Functions
370 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Rotary axis with rotary encoder on motor
Figure 7-7 Rotary axis with rotary encoder on motor
In order to adapt the actual-value resolution to the calculation resolution, the control calculates the quotients from
the "internal increments/degree" and the "encoder increments/degree" as follows:
Example for rotary axis with encoder on motor
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/($'6&5(:B3,7&+
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(QFRGHULQFUHPHQWVPP
Q
Q
(1&B5(62/
(1&B,6B',5(&7 
(1&B,6B/,1($5 
,6B527B$; 
'5,9(B$;B5$7,2B180(5$
'5,9(B$;B5$7,2B'(120
'5,9(B(1&B5$7,2B180(5$
'5,9(B(1&B5$7,2B'(120
Q
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