Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 7: CompoNet

IEC 62026-7:2010 specifies an interface system providing bit-level and word-level communication between a controller and control circuit devices such as sensors, actuators, and switching elements. The interface system uses cabling with round or flat profiles containing a two conductor signalling pair and optionally a two conductor power supply pair. This part establishes requirements for the interchangeability of components with such interfaces. This standard cancels and replaces IEC/PAS 62026-7 published in 2009. This first edition constitutes a general technical revision with clarifications only and with no significant change in the technology.

Appareillage à basse tension - Interfaces appareil de commande-appareil (CDI) - Partie 7: CompoNet

La CEI 62026-7:2010 spécifie un système d'interface assurant une communication au niveau bit et au niveau mot entre un appareil de commande et des appareils pour circuit de commande, tels que des capteurs, des actionneurs et des éléments de commutation. Le système d'interface utilise un câblage à profil rond ou plat comportant une paire de signalisation à deux conducteurs et éventuellement une paire d'alimentation à deux conducteurs. Cette partie définit des exigences permettant l'interchangeabilité des composants incluant de telles interfaces. La présente norme annule et remplace la CEI/PAS 62026-7 publiée en 2009. Cette première édition constitue une révision technique générale comportant uniquement des clarifications et aucune modification importante concernant la technologie.

General Information

Status
Published
Publication Date
08-Dec-2010
Current Stage
PPUB - Publication issued
Start Date
09-Dec-2010
Completion Date
09-Dec-2010
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IEC 62026-7
Edition 1.0 2010-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage switchgear and controlgear – Controller-device interfaces (CDIs) –
Part 7: CompoNet
Appareillage à basse tension – Interfaces appareil de commande-appareil (CDI) –
Partie 7: CompoNet
IEC 62026-7:2010
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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---------------------- Page: 2 ----------------------
IEC 62026-7
Edition 1.0 2010-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage switchgear and controlgear – Controller-device interfaces (CDIs) –
Part 7: CompoNet
Appareillage à basse tension – Interfaces appareil de commande-appareil (CDI) –
Partie 7: CompoNet
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX
ICS 29.130.20; 33.200 ISBN 978-2-88912-284-4
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 62026-7 © IEC:2010
CONTENTS

FOREWORD.......................................................................................................................13

INTRODUCTION.................................................................................................................15

1 Scope ..........................................................................................................................17

2 Normative references ...................................................................................................17

3 Terms, definitions, symbols, abbreviated terms and conventions ...................................18

3.1 Terms and definitions ..........................................................................................18

3.2 Symbols and abbreviated terms ...........................................................................21

4 Classification................................................................................................................22

4.1 General ...............................................................................................................22

4.2 Network specifications .........................................................................................24

4.3 Components ........................................................................................................24

4.4 CompoNet communication model .........................................................................25

4.5 CompoNet and CIP..............................................................................................25

5 Characteristics .............................................................................................................26

5.1 Communication cycle...........................................................................................26

5.1.1 General ...................................................................................................26

5.1.2 Time domains ..........................................................................................26

5.1.3 A typical communication cycle..................................................................27

5.2 Messaging protocol..............................................................................................27

5.2.1 Message frame format .............................................................................27

5.2.2 Message frame types ...............................................................................29

5.2.3 Explicit messaging ...................................................................................52

5.2.4 Explicit messaging client/server timing requirement ..................................62

5.3 CompoNet communication object classes.............................................................64

5.3.1 General ...................................................................................................64

5.3.2 Identity object class definition (class ID code: 01 ) ................................64

Hex

5.3.3 Message router object class definition (class ID code: 02 )....................64

Hex

5.3.4 Connection object class definition (class ID code: 05 ) ..........................64

Hex

5.3.5 CompoNet Link object class definition (class ID code: F7 )....................74

Hex

5.3.6 CompoNet Repeater object (class ID code: F8 )....................................80

Hex

5.4 Network access state machine .............................................................................82

5.4.1 General ...................................................................................................82

5.4.2 Network access events ............................................................................82

5.4.3 State transition diagram ...........................................................................84

5.4.4 Data rate auto-detection...........................................................................85

5.4.5 Duplicate MAC ID detection......................................................................86

5.4.6 Repeater behaviour..................................................................................87

5.5 I/O connection .....................................................................................................88

5.6 TDMA..................................................................................................................88

5.6.1 General ...................................................................................................88

5.6.2 Data link timing features...........................................................................89

5.6.3 Calculation of Time Domain......................................................................92

5.7 Physical layer......................................................................................................98

5.7.1 General ...................................................................................................98

5.7.2 Physical signalling ...................................................................................98

5.7.3 Master port requirements .........................................................................98

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62026-7 © IEC:2010 – 3 –

5.7.4 Slave port requirements .........................................................................101

5.7.5 Receiving signal requirements for master and slave ports .......................104

5.7.6 Requirements for digital processing........................................................105

5.7.7 Recommended circuits and component parameters ................................108

5.7.8 Isolation.................................................................................................113

5.7.9 Transmission medium ............................................................................114

5.7.10 Topology................................................................................................115

5.7.11 Link power .............................................................................................121

5.7.12 Repeater implementation .......................................................................124

6 Product information ....................................................................................................125

7 Normal service, mounting and transport conditions......................................................125

7.1 Normal service conditions ..................................................................................125

7.1.1 General .................................................................................................125

7.1.2 Ambient air temperature.........................................................................126

7.1.3 Altitude ..................................................................................................126

7.1.4 Climatic conditions.................................................................................126

7.2 Conditions during transport and storage .............................................................126

7.3 Mounting ...........................................................................................................126

8 Constructional and performance requirements.............................................................126

8.1 Indicators and configuration switches.................................................................126

8.1.1 Status indicators ....................................................................................126

8.1.2 Switches................................................................................................128

8.1.3 CompoNet marking ................................................................................129

8.2 CompoNet cable................................................................................................130

8.2.1 Overview ...............................................................................................130

8.2.2 Cable profile template ............................................................................131

8.2.3 Round cable I profile ..............................................................................132

8.2.4 Round cable II profile .............................................................................134

8.2.5 Flat cable I profile ..................................................................................136

8.2.6 Flat cable II profile .................................................................................139

8.3 Terminator.........................................................................................................141

8.3.1 General .................................................................................................141

8.3.2 Terminating resistor ...............................................................................141

8.3.3 Terminating capacitor.............................................................................141

8.4 Connectors........................................................................................................141

8.4.1 General .................................................................................................141

8.4.2 Template ...............................................................................................141

8.4.3 Engaging specification for connector profiles: open, flat I, flat II ..............143

8.4.4 Specifications of hooks for connector profiles: open, flat I, flat II .............145

8.4.5 Open connector profile...........................................................................146

8.4.6 Profile of flat connector I ........................................................................150

8.4.7 Profile of flat connector II .......................................................................155

8.4.8 Profile of sealed M12 connector .............................................................158

8.5 Node power supply implementation ....................................................................159

8.5.1 General .................................................................................................159

8.5.2 Requirement for node power supply connection ......................................159

8.5.3 The requirements for nodes powered by network power supplies: ...........160

8.6 Miswiring protection...........................................................................................161

8.7 Electromagnetic compatibility (EMC) ..................................................................161

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– 4 – 62026-7 © IEC:2010

8.7.1 General .................................................................................................161

8.7.2 Immunity................................................................................................161

8.7.3 Emissions ..............................................................................................162

9 Tests..........................................................................................................................162

9.1 General .............................................................................................................162

9.2 Electrical testing ................................................................................................163

9.2.1 Slave port operation voltage test ............................................................163

9.2.2 Reverse connected power supply line.....................................................163

9.2.3 Momentary power interruption ................................................................164

9.2.4 Isolation.................................................................................................164

9.2.5 Input impedance ....................................................................................165

9.2.6 Output waveform....................................................................................166

9.2.7 Minimum input waveform........................................................................166

9.2.8 Electromagnetic compatibility testing ......................................................167

9.3 Mechanical test .................................................................................................168

9.4 Logical test........................................................................................................168

9.4.1 General .................................................................................................168

9.4.2 Test of slaves and repeaters ..................................................................168

9.4.3 Test of master........................................................................................171

Annex A (normative) CompoNet common services............................................................174

Annex B (normative) CompoNet error codes.....................................................................175

Annex C (normative) Connection path attribute definition..................................................176

Annex D (normative) Data type specification and encoding ...............................................177

Annex E (normative) Communication objects library .........................................................181

Annex F (normative) Value ranges ...................................................................................182

Annex G (normative) CN default time domain ...................................................................183

Bibliography .....................................................................................................................187

Figure 1 – Segment layer....................................................................................................23

Figure 2 – CompoNet components ......................................................................................25

Figure 3 – Time domains.....................................................................................................26

Figure 4 – A typical communication cycle ...........................................................................27

Figure 5 – A general frame.................................................................................................27

Figure 6 – Preamble of frames ...........................................................................................28

Figure 7 – Transmission direction........................................................................................28

Figure 8 – Transmission direction........................................................................................29

Figure 9 – OUT frame format ..............................................................................................30

Figure 10 – OUT command code .........................................................................................30

Figure 11 – TRG frame format.............................................................................................32

Figure 12 – TRG command code .........................................................................................32

Figure 13 – CN frame format...............................................................................................32

Figure 14 – CN command code ...........................................................................................33

Figure 15 – IN frame format ................................................................................................34

Figure 16 – IN command code.............................................................................................35

Figure 17 – A_EVENT frame format ....................................................................................35

---------------------- Page: 6 ----------------------
62026-7 © IEC:2010 – 5 –

Figure 18 – A_EVENT command code.................................................................................36

Figure 19 – B_EVENT frame format ....................................................................................37

Figure 20 – B_EVENT command code meanings .................................................................38

Figure 21 – B_EVENT message format ...............................................................................39

Figure 22 – E_CMD block ...................................................................................................39

Figure 23 – Group block......................................................................................................40

Figure 24 – Item block ........................................................................................................40

Figure 25 – Status Read (STR Response) event data ..........................................................43

Figure 26 – Configuration event data (STW Request) ..........................................................45

Figure 27 – Poll data...........................................................................................................46

Figure 28 – B_EVENT general decoding phase ...................................................................47

Figure 29 – Flow chart for processing a matched STW request ............................................49

Figure 30 – BEACON frame format......................................................................................50

Figure 31 – BEACON command code ..................................................................................50

Figure 32 – Object diagram of A_Event message flow .........................................................52

Figure 33 – A_EVENT message format ...............................................................................52

Figure 34 – Compact message type request format (non-fragmented frame/first

fragment frame) ..................................................................................................................53

Figure 35 – Expanded message type request format (non-fragmented frame/first

fragment frame) ..................................................................................................................54

Figure 36 – Compact/Expanded message successful response format (unfragmented

frame/first fragment frame)..................................................................................................54

Figure 37 – Compact/Expanded message unsuccessful response format

(unfragmented frame/first fragment frame)...........................................................................55

Figure 38 – Compact/Expanded message request format for fragments ...............................55

Figure 39 – Compact/Expanded message response format for fragments.............................55

Figure 40 – Service data format ..........................................................................................56

Figure 41 – Predefined master/slave I/O connection state transition diagram .......................70

Figure 42 – Predefined master/slave I/O connection state transition diagram .......................72

Figure 43 – Connection flow................................................................................................73

Figure 44 – Allocate request service data ............................................................................78

Figure 45 – Allocate response service data .........................................................................79

Figure 46 – Release request service data............................................................................79

Figure 47 – Reset service parameter...................................................................................82

Figure 48 – State transition diagram....................................................................................84

Figure 49 – Sub-state of non-participated state ...................................................................85

Figure 50 – Sub-state of participated state ..........................................................................85

Figure 51 – Data rate detection diagram..............................................................................86

Figure 52 – BEACON changed by repeaters ........................................................................88

Figure 53 – Multicast I/O connections..................................................................................88

Figure 54 – Master MAC and Phy. circuit diagram ...............................................................89

Figure 55 – Slave MAC and Phy. circuit diagram .................................................................90

Figure 56 – Repeater MAC and Phy. circuit diagram............................................................91

Figure 57 – Transmission process.......................................................................................92

---------------------- Page: 7 ----------------------
– 6 – 62026-7 © IEC:2010

Figure 58 – Transmission cycle model.................................................................................93

Figure 59 – CnDefaultTimeDomain cycle model...................................................................95

Figure 60 – Master event communication model ..................................................................96

Figure 61 – Slave event communication model ....................................................................97

Figure 62 – Manchester encoding (inverted) ........................................................................98

Figure 63 – Master port transmit mask ..............................................................................100

Figure 64 – Output waveform test circuit for master or slave port .......................................101

Figure 65 – Slave port transmit mask ................................................................................103

Figure 66 – Receive mask 1..............................................................................................104

Figure 67 – Receive mask 2..............................................................................................105

Figure 68 – Receive mask 3..............................................................................................105

Figure 69 – PHY/MAC interface diagram ...........................................................................106

Figure 70 – Digital receive mask 1 ....................................................................................106

Figure 71 – Digital receive mask 2 ....................................................................................107

Figure 72 – Digital receive mask 3 ....................................................................................107

Figure 73 – Logical transmit mask.....................................................................................108

Figure 74 – Recommended circuit for a master port ...........................................................109

Figure 75 – Recommended circuit for a slave port .............................................................110

Figure 76 – Transformer symbol........................................................................................110

Figure 77 – Driver voltage measurement circuit .................................................................112

Figure 78 – Propagation delay test circuit..........................................................................112

Figure 79 – An isolation example of a master port .............................................................113

Figure 80 – An isolation example of an I/O module with connectivity to other power

sources ............................................................................................................................114

Figure 81 – An isolation example of a simple slave that requires connection to devices

with ungrounded signal wiring ...........................................................................................114

Figure 82 – An isolation example of a non-network powered slave ......................

...

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