168
Wiring for a CompoNet Network
Section E-3
Multidrop Connectors can also be used to connect the Slave Units in parallel.
E-3-2
Wiring Round Cable II
• The two communications signal lines and the two communications power
lines are connected in parallel between the Master Board or a Repeater
Unit and multiple Slave Units.
• A DCN4-TB4 Open Type Connector is used to connect the
communications cables to the Master Board or a Repeater Unit and to the
Slave Units.
• A 24-VDC communications power supply is connected to the
communications power supply connector on the Master Board or the
Repeater Unit.
• At the end of the network line, you must connect either a DCN4-TR4 Flat
Connector Socket with a DCN4-TM4 Terminating Resistor attached to it,
or a DRS1-T Terminating Resistor.
BDL
BDH
BS
−
BS+
BS
−
BS+
BS
−
BS+
BS
−
BS+
BDL
BDH
BDL
BDH
BDL
BDH
Master Board 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
Summary of Contents for 3G8F7-CRM21
Page 4: ...iv...
Page 10: ...x TABLE OF CONTENTS...
Page 46: ...26 Connecting the Communications Power Supply Cables Section 2 4...
Page 74: ...54 Board Hardware Error Notification Section 4 8...
Page 173: ...153 APPENDIX D Sample Program D 1 Sample Program 154...
Page 230: ...210 Wiring for Power Supply Section E 5...
Page 234: ...214 Index...
Page 236: ...216 Revision History...
Page 237: ......