64
Connecting Cables and Terminating Resistor
Section 3-4
3-4
Connecting Cables and Terminating Resistor
This section describes how to connect Flat Cable I/II or round cable I/II to
Slave Units, Repeater Units, and Terminating Resistors, and how to extend or
branch the cables.
Peripheral Devices Used
Terminating Resistor Specifications
3-4-1
Connecting Communications Cable to Slave Units and Repeater
Units
Connecting Round
Cable I/II
The DCN4-TB4 Open Type Connector is used to convert the communications
connector on the Slave Unit or Repeater Unit to a terminal block (M3) for con-
necting the cable wires.
Name
Appearance
Model
Application
Open Type Connector (for
connecting Units)
DCN4-TB4
Converts the Unit's communications con-
nector into a screw terminal block to enable
connecting round cable I or round cable II to
a Slave Unit or Repeater Unit.
Relay terminal block
---
Commercially available Used for T-branching round cable I or round
cable II.
Multidrop Connector
DCN4-MD4
Used to connect Slave Units or Repeater
Units to trunk lines, sub-trunk lines, or
branch lines by using multidrop connec-
tions.
Terminating Resistor
DCN4-TM4
This is a Connector-type Terminating Resis-
tor for Flat Cable I and round cable II.
It is connected to a DCN4-TR4 Flat Connec-
tor Socket at the end of a trunk line or sub-
trunk line.
Terminating Resistor
DCN5-TM4
This is a Connector-type Terminating Resis-
tor for Flat Cable II.
It is connected to a DCN5-TR4 Flat Connec-
tor Socket at the end of a trunk line or sub-
trunk line.
Terminating Resistor
DRS1-T
This is a Terminal Block-type Terminating
Resistor for round cable I.
It is connected to the end of a trunk line or
sub-trunk line round cable I.
Type
Connector
Terminal block
Model
DCN4-TM4
DCN5-TM4
DRS1-T
Resistance
121
Ω
121
Ω
121
Ω
Rated power
1/4 W
1/4 W
1/4 W
Accuracy
1% max.
1% max.
---
Capacity between power supply lines 0.01
µ
F
0.01
µ
F
---
Summary of Contents for CRT1 - 10-2008
Page 2: ...CRT1 Series CompoNet Slave Units and Repeater Unit Operation Manual Revised October 2008...
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x...
Page 15: ...xvi...
Page 23: ...xxiv Conformance to EC Directives 6...
Page 51: ...28 Slave Unit Models Section 1 2...
Page 123: ...100 Connecting External I O for Slave Units Section 3 6...
Page 365: ...342 Temperature Input Units Section 7 5...
Page 381: ...358 Expansion Unit Specifications Section 8 2...
Page 418: ...395 Repeater Unit Section 10 2 Dimensions 42 3 50 3 1 27 5 95 mm...
Page 419: ...396 Repeater Unit Section 10 2...
Page 424: ...401 CX Integrator Section 11 1...
Page 575: ...552 Current Consumption Summary Appendix D 552...
Page 581: ...558 Index...
Page 583: ...560 Revision History...