Bosch Rexroth IndraDrive CSH02 - 8.1.6 Signal Assignment to the Actual Position Value

8.1.5 Technical data of EC encoder evaluation
Input circuit for sine signals A+, A-,
B+, B-, R+, R-
Fig. 8-16: Input circuit for sine signals (block diagram)
Properties of differential input for
sine signals
Data Unit min. typ. max.
Amplitude of encoder signal peak-
peak (U
PPencodersignal
)
V
0.8
1.0 1.2
Cut-off frequency (-3 dB) kHz 400
Converter width A/D converter Bit 12
Input resistance ohm 120
Tab. 8-4: Differential input sine
Resolver input circuit for A+, A-, B
+, B-
Fig. 8-17: Input circuit for resolver evaluation (block diagram)
Input circuit for square-wave sig‐
nals
Fig. 8-18: Input circuit for square-wave signals (block diagram)
Properties of differential input for
square-wave signals
Data Unit min. typ. max.
Input voltage "high" V 2.4 5.0
Input voltage "low" V 0 0.8
Input frequency kHz 1000
Input resistance ohm 120
Tab. 8-5: Differential input square-wave signals
Bosch Rexroth AG DOK-INDRV*-CXX02******-PR03-EN-P96/143
IndraDrive Control Sections CSB02, CSE02, CSH02, CDB02
Technical data - functions
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