Siemens SINUMERIK 810DE powerline Equipment Manual page 71

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