DB –24OD
8.5. Pin Assignment
External Power Input
Output pin
EXPWR1, GND1
D0~D7
EXPWR2, GND2
D8~D15
EXPWR3, GND3
D16~D23
8.6. Block Diagram
External Power
GND
Open Drain Output
C
on
n
ec
to
r
Photo-couple isolated
Short circuit protect
User’s Manual for DIO Daughter Boards (Ver.2.5, Jan/2004 )
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