Flat Cable I Or Flat Cable Ii - Omron CJ Series Operation Manual

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Flat Cable I or Flat Cable II

• The two communications signal lines and the two communications power supply lines are connected
to the Master Unit, Repeater Units, and Slave Units using Flat Cable.
• Connect the communications power supply (24 VDC) to the communications power supply connector
for the Master Unit or Repeater Unit.
• Always connect a DCN4-TR4 or DCN5-TR4 Flat Connector Socket to the end of the network and
then connect a DCN4-TM4 or DCN5-TM4 Terminating Resistor to the Socket.
Master Unit or
Repeater Unit
Communications power supply connector
Commu-
nications
power
supply
Communications
connector
Slave Units can also be connected in parallel by using multidrop connections. A DCN4-MD4 Multidrop
Connector is required for this.
Master Unit or
Repeater Unit
Communications
connector
There are restrictions when you branch lines or use Flat Cable II. For details, refer to 1-2-2 Branch Line
and Multidrop Support for Cable Types and Baud Rates.
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
Communications
Flat Cable I or Flat Cable II
power supply, 24 VDC
Communications power supply lines: BS+: red, BS-: black
Communications signal lines: BDH: white, BDL: blue
Slave Unit
Flat Cable I
Flat Connector
Plugs
Multidrop
connectors
Slave Unit
Slave Unit
Terminating
Resistor (121 Ω)
Slave Unit
3 Wiring Configurations
Terminating
Resistor (121 Ω)
3
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