4.3 Measuring system
4-69
Copyright © Siemens AG 2006
SINUMERIK 810D Equipment Manual Configuration CCU (PHC) – 03/2006 Edition
The motor measuring system is also used for position sensing.
An encoder system is available:
optical/incremental (1PH motor)
Incremental
SINUMERIK 810D
CCU module
X411
Indirect position (motor rotor position) and motor speed sensing
M: Max. possible measuring steps
G: Accuracy of the encoder
system
M = 128 x Z per 360 degr. mech.
Z...Increments
Z = 2048
G = 0.006 deg.
SINUMERIK 810D
CCU module
Incremental
Axis
expansion
611D control
M = 128 x Z per 360 degr. mech.
Z...Increments
Z = 2048
G = 0.006 deg.
X130
Motor *)
Motor *)
MSD
1
1
Fig. 4-10 Indirect position sensing with digital closed-loop control MSD
*) e.g. 1PH7
Indirect
measuring system
MSD
4 Descri
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