169
Wiring for a CompoNet Network
Section E-3
Multidrop Connectors can also be used to connect the Slave Units in parallel.
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
Master Board or
Repeater Unit
Open Type Connector
Terminating
Resistor (121
Ω
)
Slave Unit
Communications
power supply, 24 VDC
Slave Unit
Slave Unit
Communications power supply connector
Open Type Connector
Communications power supply lines (2)
Communications signal lines (2)
Relay terminal block
Communications
power supply
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
BDL
BDH
BS
−
BS+
Open Type Connector
Terminating
Resistor (121
Ω
)
Slave Unit
Slave Unit
Slave Unit
Master Board or
Repeater Unit
Communications signal lines (2)
Communications power
supply lines (2)
Open Type Connector
Communications
power supply
You can also use the DRS1-T Terminating Resistor for termination.
If you do, insulate the ends of the BS+ and BS− lines.
BS+
BDH
BDL
BS
−
Insulated.
Terminating Resistor (121
Ω
)
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: ......