l
Insertion Locations and Patterns of Coding Pins
Insert three Coding Pins 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 you can use.
Pin locations for
terminal block
â—‹: Pin inserted
Terminal block Unit
1 2 3 4 5 6
â—‹No.1 â—‹ â—‹
â—‹No.2 â—‹ â—‹
â—‹No.3 â—‹ â—‹
â—‹No.4 â—‹ â—‹
â—‹No.5 â—‹ â—‹
â—‹No.6 â—‹ â—‹
â—‹No.7 â—‹ â—‹
â—‹No.8 â—‹ â—‹
â—‹No.9 â—‹ â—‹
â—‹No.10 â—‹ â—‹
No.11 â—‹ â—‹ â—‹
No.12 â—‹ â—‹ â—‹
No.13 â—‹ â—‹ â—‹
No.14 â—‹ â—‹ â—‹
No.15 â—‹ â—‹ â—‹
No.16 â—‹ â—‹ â—‹
No.17 â—‹ â—‹ â—‹
No.18 â—‹ â—‹ â—‹
No.19 â—‹ â—‹ â—‹
No.20 â—‹ â—‹ â—‹
1 2 3 4 5 6
â—‹ â—‹ â—‹
â—‹ â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹ â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹â—‹
â—‹ â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹â—‹
â—‹â—‹ â—‹
â—‹â—‹ â—‹
â—‹â—‹â—‹
â—‹â—‹â—‹
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)
3 Installation and Wiring
3 - 21
NX-series Safety Control Unit User's Manual (Z930)
3-3 Wiring the Terminals
3
3-3-1 Wiring to the Screwless Clamping Terminal Blocks