Omron 3G8F7-CRM21, User Manual

Page: 193 / 238

173
Wiring for a CompoNet Network
Section E-3
When Using Flat
Cable I or II with Flat
Connector Plugs
Use a Flat Connector Plug to connect Flat Cable I or II to the Master Board.
E-3-6 Branching Communications Cables
There are two methods to branch a trunk line, sub-trunk line or branch line: T-
branch connection and multidrop connection.
<T-branch connections>
Using Round Cable I
or II with
Commercially
Available relay
Terminal Blocks
The cable wires are connected to the terminals of a relay terminal block.
Example: Round cable I
Precautions for Correct Use
Before connecting the cable wires to the terminal block, first attach these M3
crimp terminals to the wires.
• Flat Cable I with DCN4-BR4 Flat
Connector I Plug
• Flat Cable II with DCN5-BR4 Flat
Connector II Plug
Master
Board
DCN4-BR4
Flat Connector I Plug
(for unsheathed cable)
Communications connector
Master
Board
DCN5-BR4
Flat Connector II Plug
(for sheathed cable)
Communications
connector
Slave Unit
Relay terminal
block
6.0 mm max.
6.0 mm max.