Operating instructions

Rexroth IndraDrive Electrical Data 5-9
DOK-INDRV*-FU*********-IB01-EN-P
Analog Inputs/Outputs
The analog inputs correspond to IEC 61 131.
Analog Input Type 1
DA000025v01_nn.FH9
GND
R
u
U+
R
u
U-
AD
AD: analog/digital converter
Fig. 5-13: Analog voltage inputs
Data Unit Min. Typ. Max.
allowed input voltage
voltage inputs
V-10 +10
input resistance
voltage input
kOhm 180
input bandwidth kHz 6
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 mV/Ink 5,5
cyclic conversion us 500 (depending on firmware)
conversion time us n.s.
Fig. 5-14: Analog voltage inputs