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4 Installation and Wiring
NX-series Digital I/O Unit User’s Manual (W521)
4-
3 W
irin
g
t
h
e T
ermin
als
4
4-
3-1 Wiring to the Screw
less Cla
m
ping T
er
m
inal Blo
ck
Insertion Locations and Patterns of Coding Pins
Insert three Coding Pins of each on the terminal block and on the Unit at the positions designated by
the numbers 1 through 6 in the figure below.
As shown in the following table, there are 20 unique pin patterns that can be used.
Pin locations for
Terminal Block
○: Pin inserted
Terminal Block
Unit
1
2
3
4
5
6
○
No.1
○
○
○
No.2
○
○
○
No.3
○
○
○
No.4
○
○
○
No.5
○
○
○
No.6
○
○
○
No.7
○
○
○
No.8
○
○
○
No.9
○
○
○
No.10
○
○
No.11
○
○
○
No.12
○
○
○
No.13
○
○
○
No.14
○
○
○
No.15
○
○
○
No.16
○
○
○
No.17
○
○
○
No.18
○
○
○
No.19
○
○
○
No.20
○
○
○
1
2
3
4
5
6
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
1
2
3
4
5
6
1
2
3
4
5
6
Holes used by
OMRON
Holes for incorrect
attachment prevention
(pin locations)
Pin locations for Unit
Pattern
Holes used by
OMRON
Holes for incorrect
attachment prevention
(pin locations)
Summary of Contents for NX-IA3117
Page 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Page 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Page 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Page 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Page 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Page 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Page 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Page 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Page 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...