Terminal Blocks - Omron NXEIP202 User Manual

4 Part Names and Functions
4-5

Terminal Blocks

The terminal block on the EtherNet/IP Coupler Unit is a removable screwless clamping terminal block
that allows you to easily connect and remove the wiring.
The Unit power supply, I/O power supply, and ground wire are connected to this screwless clamping
terminal block.
For details, refer to 7-2 Connecting the Power Supply and Ground Wires on page 7-6.
Terminal Block Part Names and Functions
NX-TBC082
(A)
A1
A2
A3
A4
A5
A6
A7
A8
8-terminal type
Letter Name
(A) Terminal num-
ber indications
(B) Release holes
(C) Terminal holes
(D) Ground termi-
nal mark
Terminal blocks come in three types depending on the number of terminals that can be used. There are
8-terminal type, 12-terminal type, and 16-terminal type. Only an 8-terminal type can be mounted to the
EtherNet/IP Coupler Unit. To prevent incorrect wire insertion, other terminal blocks cannot be mounted.
Additional Information
On 8-terminal type of terminal blocks, the following terminals do not have terminal holes and
release holes: A2, A4, A6, A8, B2, B4, B6, and B8.
4 - 12
(B)
B1
(C)
B2
B3
B4
B5
B6
B7
(D)
B8
The terminal numbers (A1 to A8 and B1 to B8) are displayed.
The terminal number indications are the same regardless of the number of termi-
nals on the terminal block.
Insert a flat-blade screwdriver into these holes to connect and remove the wires.
The wires are inserted into these holes.
This mark indicates the ground terminals.
Function
NX-series EtherNet/IP Coupler Unit User's Manual (W536)