Omron NX-AD series User Manual page 90

4 Installation and Wiring
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.
Holes used by
OMRON
Holes for incorrect
attachment prevention
(pin locations)
4 - 26
Terminal block
1
2
3
4
5
6
Pin locations for
terminal block
Pattern
1 2 3 4 5
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 ○ ○
NX-series Analog I/O Units User's Manual for Analog Input Units and Analog Output Units (W522)
Unit
1
2
3
4
5
6
○: Pin inserted
Pin locations for Unit
6 1 2 3 4 5 6
○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○
○
○ ○ ○
○ ○ ○
○ ○ ○
○
○ ○ ○
○ ○ ○ ○
○ ○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○ ○
○ ○ ○
○ ○ ○
○
○
○ ○ ○
○ ○ ○
○ ○ ○
○
○ ○ ○
○
○ ○ ○ ○
Holes used by
OMRON
Holes for incorrect
attachment prevention
(pin locations)