Omron PROFINET NX-PNC202, Руководство пользователя

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4 Part Names and Functions
4 - 10
NX-series PROFINET Coupler Unit User’s Manual (W623)
4-5 Terminal Blocks
The terminal block on the PROFINET Coupler Unit is a removable screwless clamping terminal block
that allows you to easily connect and remove the wiring.
The Unit power supply, IO power supply, and ground wire are connected to this screwless clamping ter-
minal block.
For details, refer to
7-2 Connecting the Power Supply and Ground Wires
on page 7-6.
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
PROFINET 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.
Terminal Block Part Names and Functions
Letter Name Function
(A) Terminal num-
ber indications
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.
(B) Release holes Insert a flat-blade screwdriver into these holes to connect and remove the wires.
(C) Terminal holes The wires are inserted into these holes.
(D) Ground termi-
nal mark
This mark indicates the ground terminals.
8-terminal type
(A)
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
(B)
(C)
NX-TBC082
(D)