ICP DAS USA MN-3253 Series, User Manual, Page: 5 / 8

ICP DAS MN-3253 Series User ’ s Manual Rev1.0 2015/04/10 4
4. I/O Signal connectors of MN-3253 Series
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CN1 ~ CN3
NO. Pin Define. Specifications I/O Define.
CN1 Pin Assignments
1 F.G. Frame Ground -
2~4 EGND External Ground Input
5~7 E24V External 24V(+) Input
CN2A (Right) Pin Assignments
1~2 E24V External 24V(+)
Connect to CN1
3 DICOM1 Common terminal of
DI00~DI07
Input
4~11 DI00~DI07 Digital input Ch. 00~07 Input
12~13 EGND External Ground
Connect to CN1
CN2B (Left) Pin Assignments
1~2 E24V External 24V(+)
Connect to CN1
3 DICOM2 Common terminal of
DI08~DI15
Input
4~11 DI08~DI15 Digital input Ch. 08~15 Input
12~13 EGND External Ground Connect to CN1
CN3A (Right) Pin Assignments
1~2 E24V External 24V(+)
Connect to CN1
3 DICOM3 Common terminal of
DI16~DI23
Input
4~11 DI16~DI23 Digital input Ch. 16~23 Input
12~13 EGND External Ground Connect to CN1
CN3B (Left) Pin Assignments
1~2 E24V External 24V(+)
Connect to CN1
3 DICOM4 Common terminal of
DI24~DI31
Input
4~11 DI24~DI31 Digital input Ch. 24~31 Input
12~13 EGND External Ground
Connect to CN1
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