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5 Installation and Wiring
NX-series Safety Control Unit User’s Manual (Z930)
5-3 Wiring the Terminals
5
5-3-1 Wiring to the Screwless Clamping Terminal Block
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.
To make the maximum of 20 patterns, purchase two sets of NX-AUX02 Pins. (One set for 10 Units.)
Pattern
Pin locations for Terminal Block
Pin locations for Unit
○: Pin inserted
Unit
Terminal Block
Holes used by OMRONHoles used by OMRON
Holes for incorrect
attachment prevention
(pin locations)
Holes for incorrect
attachment prevention
(pin locations)
123 45 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 ○ ○ ○
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1
2
3
4
5
6
1
2
3
4
5
6