Omron CJ Series Operation Manual page 120

4 Installation and Wiring
(2) Open the terminal cover of the Open Type Connector. Connect the cable wires to the
BDH terminal (communications data high) and the BDL terminal (communications
data low). If a Round Cable II cable is being used, connect the other wires to the BS+
terminal (positive terminal of communications power supply) and the BS− terminal
(negative terminal of communications power supply).
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
A DCN4-MD4 Multidrop Connector is attached to the communications connector of a Slave Unit or a
Repeater Unit. Two DCN4-BR4 Flat Connector Plugs are mounted separately on two communica-
tions cables. The two Plugs are connected to the Multidrop Connector to make a branch.
DCN4-BR4 Flat Connector Plugs
DCN4-MD4 Multidrop Connector
Slave Unit or
Repeater Unit
• Mounting Procedure
(1) Hold the Multidrop Connector so that the side with the number is facing to the left,
and press the Connector to the communications connector of a Slave or a Repeater
Unit until it clicks into place.
(2) Hold the Flat Connector Plug so that the side with the line colors (red, white, black
and blue) is facing to the left, and press in the Plug until it clicks into place. Repeat
the same to have two Plugs connected to the Unit.
Note To remove the inserted Connector, hold the latches on both sides, and pull out the Connec-
tor.
4-12
6.0 mm max.
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)