IEC PAS 62026-7:2009

IEC/PAS 62026-7


®

Edition 1.0 2009-08



PUBLICLY AVAILABLE



SPECIFICATION



PRE-STANDARD
colour
inside

Low-voltage switchgear and controlgear – Controller-Device Interfaces (CDIs) –
Part 7: CompoNet



IEC/PAS 62026-2:2009(E)

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IEC/PAS 62026-7
®
Edition 1.0 2009-08
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside

Low-voltage switchgear and controlgear – Controller-Device Interfaces (CDIs) –
Part 7: CompoNet
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XH
ICS 29.130.20, 33.200 ISBN 978-2-88910-808-4
® Registered trademark of the International Electrotechnical Commission

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– 2 – PAS 62026-7 © IEC:2009(E)



CONTENTS




FOREWORD.12

INTRODUCTION.14

1 Scope.16

2 Normative references .16


3 Terms, definitions, symbols, abbreviated terms and conventions .17

3.1 Terms and definitions .17
3.2 Symbols and abbreviated terms.20
4 Classification.20
4.1 General .20
4.2 Network specifications.22
4.3 Components .23
4.4 CompoNet communication model .24
4.5 CompoNet and CIP .24
5 Characteristics .24
5.1 Communication cycle .24
5.1.1 General .24
5.1.2 Time domains .24
5.1.3 A typical communication cycle .25
5.2 Messaging protocol .25
5.2.1 Message frame format .25
5.2.2 Message frame types .28
5.2.3 Explicit messaging.50
5.2.4 Explicit messaging client/server timing requirement.61
5.3 CompoNet communication object classes.62
5.3.1 General .62
5.3.2 Identity object class definition (class ID code: 01 ) .62
Hex
5.3.3 Message router object class definition (class ID code: 02 ).62
Hex
5.3.4 Connection object class definition (class ID code: 05 ) .62
Hex
5.3.5 CompoNet Link object class definition (class ID code: F7 ) .72
Hex

5.3.6 CompoNet Repeater object (class ID code: F8 ) .79
Hex
5.4 Network access state machine .81
5.4.1 General .81
5.4.2 Network access events .81
5.4.3 State transition diagram.82
5.4.4 Data rate auto-detection .84
5.4.5 Duplicate MAC ID detection.85
5.4.6 Repeater behaviour .86
5.5 I/O connection.87
5.6 TDMA.87
5.6.1 General .87
5.6.2 Data link timing features .88
5.6.3 Calculation of Time Domain.91
5.7 Physical layer.97

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PAS 62026-7 © IEC:2009(E) – 3 –


5.7.1 General .97

5.7.2 Physical signalling .97

5.7.3 Master port requirements.97

5.7.4 Slave port requirements.100

5.7.5 Receiving signal requirements for master and slave ports . 103

5.7.6 Requirements for digital processing. 105

5.7.7 Recommended circuits and component parameters .108

5.7.8 Isolation .114

5.7.9 Transmission medium.115

5.7.10 Topology .116

5.7.11 Link power.121
5.7.12 Repeater implementation.125
6 Product information .125
7 Normal service, mounting and transport conditions. 126
7.1 Normal service conditions .126
7.1.1 General .126
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. 127
8.1 Indicators and configuration switches .127
8.1.1 Status indicators.127
8.1.2 Switches.128
8.1.3 CompoNet marking.129
8.2 CompoNet cable.131
8.2.1 Overview .131
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.138
8.3 Terminators.140
8.3.1 General .140

8.3.2 Terminating resistors .140
8.3.3 Terminating capacitors .140
8.4 Connectors.140
8.4.1 General .140
8.4.2 Template .141
8.4.3 Engaging specification for connector profiles: open, flat I, flat II . 142
8.4.4 Specifications of hooks for connector profiles: open, flat I, flat II. 144
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

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– 4 – PAS 62026-7 © IEC:2009(E)


8.5.3 Requirements for nodes powered by network power supplies . 160

8.6 Miswiring protection .161

9 Tests .161


9.1 General .161

9.2 Electrical testing.161

9.2.1 Slave port operation voltage test .161

9.2.2 Reverse connected power supply line.162

9.2.3 Momentary power interruption . 163

9.2.4 Isolation .163


9.2.5 Input impedance .164
9.2.6 Output waveform .164
9.2.7 Minimum input waveform .165
9.2.8 Electromagnetic compatibility testing .166
9.3 Mechanical test .167
9.4 Logical test.167
9.4.1 General .167
9.4.2 Term definitions.167
9.4.3 Test of slaves and repeaters .168
9.4.4 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.21
Figure 2 – CompoNet components .23
Figure 3 – Time domains .25
Figure 4 – A typical communication cycle.25
Figure 5 – A general frame .26

Figure 6 – Preamble of frames.26
Figure 7 – Transmission direction .27
Figure 8 – Transmission direction .27
Figure 9 – OUT frame format .28
Figure 10 – OUT command code.29
Figure 11 – TRG frame format .30
Figure 12 – TRG command code.31
Figure 13 – CN frame format.31
Figure 14 – CN command code.31
Figure 15 – IN frame format .33
Figure 16 – IN command code .33
Figure 17 – A_EVENT frame format.34

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PAS 62026-7 © IEC:2009(E) – 5 –


Figure 18 – A_EVENT command code .35

Figure 19 – B_EVENT frame format.36


Figure 20 – B_EVENT command code meanings .36

Figure 21 – B_EVENT message format.37

Figure 22 – E_CMD block .38


Figure 23 – Group block .38

Figure 24 – Item block .39

Figure 25 – Status Read (STR Response) event data .41


Figure 26 – Configuration event data (STW Request) .43
Figure 27 – Poll data.44
Figure 28 – B_EVENT general decoding phase.45
Figure 29 – Flow chart for processing a matched STW request.48
Figure 30 – BEACON frame format .49
Figure 31 – BEACON command code .49
Figure 32 – Object diagram of A_Event message flow .51
Figure 33 – A_EVENT message format.51
Figure 34 – Compact message type request format (non-fragmented frame/first
fragment frame) .52
Figure 35 – Expanded message type request format (non-fragmented frame/first
fragment frame) .52
Figure 36 – Compact/Expanded message successful response format (unfragmented
frame/first fragment frame) .53
Figure 37 – Compact/Expanded message unsuccessful response format
(unfragmented frame/first fragment frame).53
Figure 38 – Compact/Expanded message request format for fragments .53
Figure 39 – Compact/Expanded message response format for fragments .54
Figure 40 – Service data format .54
Figure 41 – Predefined master/slave I/O connection state transition diagram.68
Figure 42 – Predefined master/slave I/O connection state transition diagram.70
Figure 43 – Connection flow .71
Figure 44 – Allocate request service data .77
Figure 45 – Allocate response service data.78

Figure 46 – Release request service data .78
Figure 47 – Reset service parameter .80
Figure 48 – State transition diagram .83
Figure 49 – Sub-state of non-participated state.84
Figure 50 – Sub-state of participated state.84
Figure 51 – Data rate detection diagram .85
Figure 52 – BEACON changed by repeaters .87
Figure 53 – Multicast I/O connections .87
Figure 54 – Master MAC and Phy. circuit diagram.88
Figure 55 – Slave MAC and Phy. circuit diagram .89
Figure 56 – Repeater MAC and Phy. circuit diagram .89
Figure 57 – Transmission process .91

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Figure 58 – Transmission cycle model .92

Figure 59 – CnDefaultTimeDomain cycle model .93


Figure 60 – Master event communication model .95

Figure 61 – Slave event communication model .96

Figure 62 – Manchester encoding (inverted) .97


Figure 63 – Master port transmit mask .99

Figure 64 – Output waveform test circuit for master or slave port.100

Figure 65 – Slave port transmit mask.102


Figure 66 – Receive mask 1.104
Figure 67 – Receive mask 2.104
Figure 68 – Receive mask 3.105
Figure 69 – PHY/MAC interface diagram.105
Figure 70 – Digital receive mask 1 .106
Figure 71 – Digital receive mask 2 .106
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 .111
Figure 77 – Driver voltage measurement circuit . 113
Figure 78 – Propagation delay test circuit .113
Figure 79 – An isolation example of a master port . 114
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.115
Figure 82 – An isolation example of a non-network powered slave. 115
Figure 83 – Media topology.116
Figure 84 – Position of a terminator .117
Figure 85 – Number of devices per segment . 117
Figure 86 – Cable length limitation Illustration.118
Figure 87 – Branch restriction .119
Figure 88 – Wiring selection .119
Figure 89 – General wiring method .120
Figure 90 – Flexible wiring method .121
Figure 91 – Power dispatching method .123
Figure 92 – Network segment powered by the master .123
Figure 93 – Connection with power supply .123
Figure 94 – Network segments powered by repeaters .124
Figure 95 – A simplified diagram for a repeater.125
Figure 96 – Outline of round cable II .136
Figure 97 – Outline of flat cable I .137
Figure 98 – Dimension of flat cable I.138
Figure 99 – Outline of flat cable II .139

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PAS 62026-7 © IEC:2009(E) – 7 –


Figure 100 – Dimension of flat cable II .140

Figure 101 – Engaging dimensions of plug conne
...