Encoder Power Supply - Siemens SIMODRIVE 611 digital Configuration Manual

3 Motor Selection, Position/Speed Sensing
3.4 Direct position sensing
1) Refer to parameterizable encoder limit frequency (as of SW 5.1.14)
3-72
www.aotewell.com
Singleturn, multiturn and linear absolute systems with two sinusoidal volt-
age signals A, B offset by 90 degrees and EnDat interface
Transfer, incremental signals:
Amplitude A – *A
Amplitude B – *B
Transfer, serial signals:
Signal level:
Power supply:
Max. power supply current:
Max. processable enc. signal frequency:
Note
For the above specified max. encoder signal frequency, the signal amplitude
must be 60% of the nominal amplitude and the deviation of the phase shift

d
from the ideal 90 between track A and B must be
Observe the frequency characteristic of the encoder signals.
A–*A
0
90_ el.
B–*B
0
Fig. 3-4 Signal curve of incremental tracks for clockwise rotation
SIMODRIVE 611 Configuration Manual (PJU) – 05/2008 Edition
sales@aotewell.com
Differential signals
A, *A and B, *B
1 Vpp + +20% –25%
1 Vpp + 20% –25%
Differential signals
data, *data and clock, *clock
acc. to EIA 485
5 V ± 5% (also refer to Chapter 3.4.2

Encoder power supply)

300 mA
200 kHz standard module/
420 kHz (as of SW 5.1.14)
350 kHz
 
360_ el.
© Siemens AG 2008 All Rights Reserved
Industry Automation
05.08
05.01
1)
d
30 .
+86-755-8660-6182