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 Siemens AG 2001 All rights reserved
SIMODRIVE 611 Planning Guide (PJU) – 05.01 Edition
Supplementary System Components
8.1 Signal amplifier electronics
The signal amplifier electronics is used to amplify the current signals for distan-
ces > 18 m between the encoder and the digital drive module for 1FT6 motors
whereby the current signals are converted into voltage signals.
Notice
Current signals should no longer be used for new applications, as voltage
signals offer higher noise immunity.
The signal amplification electronics can only be used in conjunction with
the Performance control of SIMODRIVE 611 digital.
Table 8-1 Technical data of the signal amplifier electronics
Technical data
Signal waveform Sine–cosine
Input signal 7 µA
pp
to 16 µA
pp
Output signal 1V
pp
Signal frequency, max. 300 kHz
Operating voltage, max.
at remote sense
8 V DC
Operating current, max. 200 mA
Encoder power supply 5 V DC $ 5 %
Encoder power supply current, max. 120 mA
Dimensions (H x W x D) 54 mm x 121 mm x 57 mm
Order number 6SN11 15–0AA12–0AA0
Degree of protection of the enclosure IP 65
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