Node Connection Methods - Omron CJ Series Operation Manual

3-2-6

Node Connection Methods

Nodes are connected to the CompoNet Network using the methods described in this section.
Master Unit Connections
Except in unrestricted wiring formations, the Master Unit must always be connected on one end of the
trunk line.
The Master Unit has a communications connector to which a communications cable is connected.
Round Cable I or Round Cable II (Using Open Type Connector)
The following Open Type Connector is used to connect a Round Cable I or Round Cable II cable to
the Master Unit. The Open Type Connector is used to convert the communications connector on the
Master Unit to a terminal block. The Open Type Connector takes M3 crimp terminals.
• Round Cable I or Round Cable II
A DCN4-TB4 Open Type Connector is used.
Master Unit
Flat Cable I or Flat Cable II (Using Flat Connector Plug)
The following Flat Connector Plugs are used to connect Flat Cable I or Flat Cable II cable to the
Master Unit.
• Flat Cable I
A DCN4-BR4 Flat Connector Plug is used.
Master Unit
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
Communications connector
DCN4-TB4
Open Type Connector
M3 terminal block
Communications connector
DCN4-BR4
Flat Connector Plug
(standard)
3 Wiring Configurations
• Flat Cable II
A DCN5-BR4 Flat Connector Plug is used.
Communications connector
Master Unit
DCN5-BR4
Flat Connector Plug
(sheathed)
3-13
3