Omron NX-IA3117, User Manual

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3 Part Names and Functions
NX-series Digital I/O Unit User’s Manual (W521)
3-1
Par
t Nam
es
3
3-
1-1 Screw
less Cla
m
pi
ng T
er
m
inal Blo
ck T
ype
 Applicable Terminal Blocks for Each Unit Model
The following indicates the Terminal Blocks that are applicable to each Unit.
Precautions for Correct Use
You can mount either NX-TB

1 or NX-TB

2 Terminal Blocks to the Units that the cur-
rent capacity specification of the terminals is 4 A or less.
However, even if you mount the NX-TB

2 Terminal Block, the current specification does
not change because the current capacity specification of the terminals on the Units is 4 A or
less.
Refer to A-6 List of Screwless Clamping Terminal Block Models on page A-104 for information
on the models of Terminal Blocks.
Unit model number
Terminal Block
Model
Number of
terminals
Ground terminal Current capacity
NX-ID3  NX-TBA121 12 Not provided 4 A
NX-TBA122 10 A
NX-ID4  NX-TBA161 16 4 A
NX-ID5

NX-TBA162 10 A
NX-IA3117 NX-TBA081 8 4 A
NX-OD2

NX-TBA082 10 A
NX-OD3

NX-TBA121 12 4 A
NX-TBA122 10 A
NX-OD4  NX-TBA161 16 4 A
NX-OD5

NX-TBA162 10 A
NX-OC2

NX-TBA081 8 4 A
NX-TBA082 10 A