201
Wiring for Power Supply
Section E-5
Not using a Repeater Unit
Slave Unit
Slave Unit
Slave Unit
Slave Unit
Terminating
Resistor
Master Board
BDH
BDL
BS
+
BS
−
BS
+
BS
−
BS
+
BS
−
BS
+
BS
−
BDH
BDL
BDH
BDL
BDH
BDL
V
G
BS
−
BS
−
BS
+
BS
+
BDH
BDL
Overcurrent
protection*
(current limit: 4 A)
Trunk line
* When complying with UL standards, install a
device to limit the current between the
external power supply and the Unit to 4 A or
less for the communications power supply.
Power
supply
Communications
power supply
Branch
lines
Round Cable II, Flat Cable I, or Flat Cable II
Slave Units
with network
power supply
Communications
power supply
connector
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: ......