Omron CRT1 - 10-2008 Operation Manual page 88

Connecting Cables and Terminating Resistor
Installation Method
1,2,3...
Note
Connecting Flat
Cable I
Installation Method
Open Connector
M3 terminal block
Communications
connector
Slave Unit/Repeater Unit
1. Attach the Open Type Connector to the communications connector of the
Slave Unit or Repeater Unit.
Orient the Open Type Connector so that the side with the open terminals
is facing to the left and press in the Open Type Connector until it clicks into
place.
Note To remove the Open Type Connector once it has been attached,
firmly press in on the latches on both sides and pull out the Open
Type Connector.
2. Open the terminal cover of the Open Type Connector and connect the ca-
ble wires to BDH (communications data high) and BDL (communications
data low) in the terminal block. For round cable II, connect the cable wires
to BS+ (communications power supply plus) and BS- (communications
power supply minus).
Before connecting the cable wires to the terminal block, first attach the M3
crimp terminals shown below to the wires.
6.0 mm max.
A DCN4-BR4 Flat Connector Plug attached to a Communications Cable is
connected to the communications connector of a Slave Unit or Repeater Unit.
Communications
connector
Be sure the face of the Connector on which line colors are indicated (red,
white, black, and blue) is facing to the left and press in the Connector until it
clicks into place.
6.0 mm max.
Flat Connector Plug
Slave Unit/Repeater Unit
Section 3-4
65