Branching A Communications Cable - Omron CJ Series Operation Manual

3 Wiring Configurations
3-2-7

Branching a Communications Cable

There are two ways to branch the trunk line, sub-trunk lines, and branch lines: T-branching and multi-
drop connections.
T-branching
Round Cable I or Round Cable II (with a Commercially Available Relay
Terminal Block)
Use a commercially available relay terminal block, and connect the cable wires to the block.
Example for Round Cable I
Slave Unit
Precautions for Correct Use Precautions for Correct Use
Attach an M3 crimp terminal to the cable wire before you connect the wire to a terminal block.
6.0 mm max.
Flat Cable I or Flat Cable II (with a Flat Connector Socket and a Flat Connector
Plug)
Use a Flat Connector Socket and a Flat Connector Plug.
• Example for Flat Cable I
Attach a DCN4-BR4 Flat Connector Plug to a DCN4-TR4 Flat Connector Socket.
DCN4-TR4 Flat
Connector Socket
3-14
Relay terminal block
6.0 mm max.
DCN4-BR4 Flat
Connector Plug
Slave Unit
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)