Datasheet

Typical Digital Input Module Application
IsolatedDC-DC
SIP
LD
CE
CLK
SOP
V
CC
HOT
DB0
DB1
NC
IP0
RE0
IP7
RE7
RLIM
GND
SN65HVS885
S0
S7
ISO7242
GND2
EN2
VCC2
INA
GND1
EN1
VCC1
OUTA
OUTB
INC
IND
INB
OUTC
OUTD
HOST
CONTROLLER
LOAD
SCLK
INT
SOMI
DGND
VCC
24V
0V
FE
Power
Supply
1.2k
MELF
1.2k
MELF
22nF
22nF
24.9k
SM15T39A
4.7nF
2kV
4.7nF
2kV
3V-ISO
0.1 mF
3V
IN
5V
O
0V
IN
0V
O
0V-ISO
SN65HVS885
SLAS638 – JANUARY 2009 ............................................................................................................................................................................................... www.ti.com
Figure 19. Typical Digital Input Module Application
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