Operating instructions

Rexroth IndraDrive Electrical Data 5-11
DOK-INDRV*-FU*********-IB01-EN-P
Analog Input Type 3
DA000026v01_nn.FH9
GND
R
i
I+
R
i
I-
R
s
AD
AD: analog/digital converter
Fig. 5-17: Analog current inputs
Data Unit Min. Typ. Max.
allowed input current mA 0 +20
input resistance Ohm 200
input bandwidth kHz 3
common-mode range V -20 +20
common-mode rejection dB
relative measuring error
at 90% U
emax
%-1 +1
converter width A/D converter
incl. polarity sign
Bit 10
oversampling 8-fold
dynamic converter width with
oversampling
Bit 12
resulting resolution A/Ink 5,45
cyclic conversion us 500 (depending on firmware)
conversion time us n.s.
Fig. 5-18: Analog current inputs