Operating instructions

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5-12 Electrical Data Rexroth IndraDrive

DOK-INDRV*-FU*********-IB01-EN-P

Analog Input Type 4

DA000025v01_nn.FH9

GND

R

u

U+

R

u

U-

AD

AD: analog/digital converter

Fig. 5-19: Analog voltage inputs

Data Unit Min. Typ. Max.

allowed input voltage

voltage inputs

V-10 +10

input resistance

voltage input

kOhm 2

input resistance

voltage input CSH01.2C

kOhm 160

input bandwidth kHz 10

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 12

oversampling 8-fold

dynamic converter width with

oversampling

Bit 14

resulting resolution mV/Ink 1,23

cyclic conversion us 500 (depending on firmware)

conversion time us n.s.

Fig. 5-20: Analog voltage inputs