Siemens SIMODRIVE 611 Planning Manual page 67

05.01
Table 3-2 Indirect position (motor rotor position) and motor speed sensing, analog controls
Control
board
Numerical
control
x4
Resolver
control Positioning with NC
Numerical
control
Feed
control
with
standard
and
user–friendly
Positioning with NC
interface
Numerical
control
Main
spindle
control
with analog
setpoint
Spindle positioning with drive
interface
Numerical
control
Main
spindle
control
with analog
setpoint
interface
WSG
(angular
incremental e
output
Spindle positioning with the
NC
for NC
 Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
Indirect position (motor rotor position)
and motor speed sensing, analog controls
n*
SIMODRIVE
l  50 m
drive
(analog)
module
WSG interface
n*
SIMODRIVE
l  150 m
drive
(analog)
module
Optional encoder system
n*
SIMODRIVE
l  50 m
drive
(analog)
module
!Positioning command!
n*
SIMODRIVE
l  50 m
drive
(analog)
module
WSG interface
3 Motor Selection, Position/Speed Sensing
3.5 Overview, position sensing
M: Max. possible
G: Encoder system
Z: Pulse number
M = 1024 ⋅ 4
per 360 degrees
mech.
Resolver
(incremental)
1FK6
M and G are
dependent on the
accuracy of the
optional encoder
system and the
Tach. and RPS
evaluation technique
in the NC
1FT5
Z = 2048
G = " 0.006 degrees
1PH4/6/7
Incremental
M = k ⋅ Z ⋅ 4
per 360 degrees
mech.
Z = 2048
k...0.5, 1, 2, 4
(multiplication factor
which can be set in
the drive)
1PH4/6/7
G = " 0.006 degrees
Incremental
measuring steps
accuracy
G = " 0.12 degrees
M = 2048 ⋅ Z
per 360 degrees
mech.
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