Omron DEVICENET Operation Manual page 98

Wiring Methods
Connecting to a T-branch Tap
Insert the communications power supply lines (V+ and V − wires) to the con-
nector holes where the communications cable's V+ (red) wire and V − (black)
wire are normally connected, as shown in the following diagram.
To communications
power supply
Trunk line
(24 V DC)
V+
Branch
line
Connecting to a T-branch Connector
Connect the communications power supply lines (V+ and V − wires) to the V+
(red) wire and V − (black) wire of a communications cable connected to the T-
branch Connector, as shown in the following diagram. This example shows a
DCN2-1 T-branch Connector, but the connection method is the same for other
T-branch Connectors.
T-branch Connector
Trunk line
Cable with shielded connector
(male plug) on one end
Insulate the blue and
white signal wires.
Connecting to a DCN1-1P Power Supply Tap
Insert the communications power supply lines to the terminal block provided
for the communications power supply input, as shown in the following dia-
gram.
Trunk line
Trunk line
Trunk line
Shield
V−
TAP T-PORT
DCN1-3C
Branch
line
Trunk line
Black (V − )
Shield
wire
To V −
To FG
To V+
Red (V+)
Shield wire
V−
V+
Section 2-4
Communications
power supply
(24 V DC)
To communications
power supply (24 V DC)
77