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3 Part Names and Functions
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
3-1 Part Names
3
3-1-1 Screwless Clamping Terminal Block Type
z 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-TB1 or NX-TB2 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-TB2 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-4 List of Screwless Clamping Terminal Block Models on page A-54 for information
on the models of terminal blocks.
Unit model num-
ber
Terminal block
Model
Number of
terminals
Ground terminal
mark
Current capacity
NX-AD2 NX-TBA081 8 Not provided 4 A
NX-TBA082 10 A
NX-AD3 NX-TBA121 12 4 A
NX-TBA122 10 A
NX-AD4 NX-TBA161 16 4 A
NX-TBA162 10 A
NX-DA2 NX-TBA081 8 4 A
NX-TBA082 10 A
NX-DA3 NX-TBA121 12 4 A
NX-TBA122 10 A
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