Datasheet

Typical Digital Input Module Application
Isolated
DC / DC
SIP
LD
CE
CLK
SOP
5VOP
CHOK
DB0
DB1
V24
IP0
RE0
IP7
RE7
RLIM
FGND
SN65 HVS 881
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
(Logic) 24V
1
(Sensors) 24V
2
0V
FE
Power
Supply
56 W MELF
1.2 kW
MELF
1.2 kW
MELF
22 nF
22 nF
24.9 kW
1N4007
SM15T39CA
SM15T39A
4.7 nF
2 kV
4.7 nF
2 kV
4.7 nF
2 kV
10 mF
60 V
Z2SMB36
5 V-ISO
0 V-ISO
1 mF
24 V
GND2
5 V
GND1
0.1 mF
Screw
Terminals
SN65HVS881
SLAS642 – MARCH 2009 ................................................................................................................................................................................................... www.ti.com
Figure 23. Typical Digital Input Module Application
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