3
05.01
3.4 Direct position sensing
3-78
© Siemens AG 2008 All Rights Reserved
SIMODRIVE 611 Configuration Manual (PJU) – 05/2008 Edition
3.4.4 Signal amplifier electronics
The signal amplifier electronics unit is used to amplify current signals for dis-
tances > 18 m (59 ft) between the encoder and digital drive module and for con-
verting current signals to voltage signals for 1 V
pp
.
Notice
Because voltage signals provide a higher noise immunity, current signals
should no longer be used for new users.
The signal amplifier electronics can be used only in conjunction with the
Performance, High Standard or High Performance controller of the
SIMODRIVE 611 digital.
Table 3-2 Technical data of the signal amplifier electronics
Technical specifications
Signal shape Sine/cosine
Input signal 7 µA
PP
to 16 µA
PP
Output signal 1V
PP
Max. signal frequency 300 kHz
Max. operating voltage
At the remote sense
8 VDC
Max. operating current 200 mA
Encoder voltage supply 5 VDC 5%
Max. encoder current supply 120 mA
Dimensions (W x H x D) 54 mm x 121 mm x 57 mm
Order number 6SN1115–0AA12–0AA0
Housing degree of protection IP65
3 Motor Selection, Position/S
eed Sensin
05.08
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