IC-HF Datasheet, PDF (19/36 Pages) IC-Haus GmbH – 6-CH. ENCODER LINK, RS-422 DRIVER/RECEIVER

iC-HF
preliminary
6-CH. ENCODER LINK, RS-422 DRIVER/RECEIVER
Rev C1, Page 19/36
SENSOR
VDD
GND
A
B
Z
U
V
W
ERROR MONITOR
NERR
VDDS
GNDS
REVERSE POLARITY PROTECTION
VDD
GND
3...5.5V
1 μF
1 μF
X1
NX1
X2
NX2
X3
NX3
X4
X5
X6
PTC
ECM
OEN
FMSEL1
FMSEL2
NERRI
BYP EBIS TRI
CONTROL
LOGIC
OVT
PoDo
1
RS422
HIGH Z
Q1
TRI
HIGH Z
NQ1
HIGH Z
HIGH Z
HIGH Z
HIGH Z
HIGH Z
Q2
NQ2
Q3
NQ3
Q4
NQ4
Q5
NQ5
Q6
NQ6
BYPR
ENCODER LINK
REQUEST
DETECTION
OVT
PoDo
OVERTEMP
POWER DOWN
Q1
NQ1
NERR
iC-HF
A
B
Z
U
V
W
to mC
NERR
Figure 21: Alternative example of connection of a sensor exceeding the maximum permissible load current.