46
CompoNet Network Wiring Section 3-2
Multidrop connections can also be used to connect the Slave Units in parallel.
3-2-2 Round Cable II
• Connect the two communications signal lines and two communications
power lines in parallel between the Master Unit or Repeater Unit and mul-
tiple Slave Units.
• Use Open Type Connectors (DCN4-TB4, for connecting Units) to connect
Communications Cables to Master Units, Repeater Units, and Slave
Units.
Terminating
Resistor (121 Ω)
Communications
Communications
Slave Unit
Slave Unit
Slave Unit
Communications
power supply, 24 VDC
Communications
power supply, 24 VDC
Communications
power supply, 24 VDC
BDL
BDH
BS−
BS+
BDL
BDH
BS−
BS+
BS−BS+ BS−
BS+
BDL
BDH
BDL
BDH
Master Unit of
Repeater Unit
Open Type Connector
Communications signal lines (2)
Relay terminal block
Commu-
nications
Open Type Connector
BDL
BDH
BS−
BS+
BS−BS+ BS−BS+ BS−BS+
BDL
BDH
BDL
BDH
BDL
BDH
Master Unit or
Repeater Unit
Open Type Connector
Open Type Connector
Terminating
Resistor (121 Ω)
Communications
Slave Unit
Communications
power supply, 24 VDC
Commu-
nications
Communications
power supply, 24 VDC
Communications
power supply, 24 VDC
Communications
Slave Unit
Slave Unit
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