Clipsal C-Bus Spécifications télécharger pdf (Page 35)

1B. C-Bus Concepts

1.2 Maximum Cable Length

On any given C-Bus network, the total length of Cat-5 UTP cable used must not exceed 1 km.

This ﬁgure is determined by the propagation delay of C-Bus communication at a total cable

capacitance of 100nF.

Large cable lengths can introduce undesirable effects on the network such as:

• a drop in voltage

• an increase in cable capacitance.

A voltage drop will occur because the Cat-5 cable has a resistance of 90Ω per kilometre. To minimise

the amount of voltage drop along a large length of cable, evenly space the C-Bus power supplies

along the C-Bus Network.

Using a large amount of Cat-5 cable will result in a high capacitance, causing the C-Bus

clock to distort.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 63 64

Basic 1
Training Manual 1
Volume 1 1
Volume 1A 6
Introduction to C-Bus 6
Introduction - What is C-Bus? 8
1.0 Why Use C-Bus 9
1.1 Ease Of Wiring 10
1.2 Flexibility 10
2.0 How C-Bus Works 10
2.1 C-Bus Network Wiring 10
2.4 Multiple Events 11
2.5 Control Flexibility 11
2.2 C-Bus Units 11
2.3 Simple Control 11
2.6 Types of Units 12
3.0 C-Bus Communications 13
C-BUS TRAINING MANUAL - VOL 1 14
4.0 Wiring Methods 15
4.1 Conventional Wiring 15
4.2 C-Bus Wiring 15
4.3 Wiring a C-Bus Network 16
4.4 Which Wires to Use 17
4.5 C-Bus Terminations 18
1A. Introduction to C-Bus 19
4.7 Location of C-Bus Units 20
6.0 C-Bus Power Supplies 22
6.3 Over Voltage Protection 22
6.4 Multiple Power Supplies 22
6.5 Types of Power Supplies 23
7.0 Network Burdens 23
10.0 Address Structure 27
10.1 Unit Address 28
10.2 Group Address 29
10.3 Area Address 30
11.0 Programming Technique 30
12.1 Local Toggle Buttons 31
12.3 Learn Mode 31
Volume 1B 32
C-Bus Concepts 32
Learning Outcomes 33
1.1 Cable Type 33
1.2 Maximum Cable Length 35
1.3 Mains Segregation 36
1.4 Single Network Topology 37
1.5 C-Bus Cable Current 38
1.6 System Voltage 38
1.7 Units per Network 38
1.8 C-Bus Clock 39
1.9 Network Burden 40
2.1 Network Address 41
2.2 Unit Address 41
2.3 Application Address 42
2.4 Group Address 43
2.5 Area Address 43
2.6 Levels and Selectors 43
2.7 C-Bus Tags 44
Volume 1C 45
C-Bus Hardware 45
1.0 System Support Devices 46
1.1 Power Supply 47
1.2 Network Bridge 48
1C. C-Bus Hardware 49
1.3 PC Interface 50
2.0 C-Bus Input Units 51
2.1 Operation of Input Units 52
2.2 Pressing a Button 52
2.3 Sending Input Messages 53
3.0 C-Bus Output Units 53
3.1 Voltage Free Relay 54
3.4 DIN Rail Series Dimmer 55
3.5 DSI Gateway 55
3.6 Analogue Output Unit 56
3.7 Infrared Transmitter 56
4.0 C-Bus Indicators 57
Volume 1B. C-Bus Concepts 62
Volume 1C. C-Bus Hardware 63
1300 2025 25 64
1300 2025 56 64

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Clipsal C-Bus Spécifications Page 35

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