ISO IEC 14908-3-2012 Information technology - Control network protocol - Part 3 Power line channel specification《信息技术 控制网络协议 第3部分 电源线信道规范》.pdf
《ISO IEC 14908-3-2012 Information technology - Control network protocol - Part 3 Power line channel specification《信息技术 控制网络协议 第3部分 电源线信道规范》.pdf》由会员分享,可在线阅读,更多相关《ISO IEC 14908-3-2012 Information technology - Control network protocol - Part 3 Power line channel specification《信息技术 控制网络协议 第3部分 电源线信道规范》.pdf(22页珍藏版)》请在麦多课文档分享上搜索。
1、 Reference number ISO/IEC 14908-3:2012(E) ISO/IEC 2012INTERNATIONAL STANDARD ISO/IEC 14908-3 First edition 2012-02-15 Information technology Control network protocol Part 3: Power line channel specification Technologies de linformation Protocole de rseau de contrle Partie 3: Spcification de canal de
2、 courants porteurs ISO/IEC 14908-3:2012(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permiss
3、ion in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2012 All rights res
4、erved - 2 - 14908-3 ISO/IEC:2012 (E) Contents Page Foreword4 Introduction5 1 Scope 7 2 Normative references7 3 Terms and definitions .7 4 General description 8 4.1 Electrical safety .8 4.2 Functional partitioning of PL specification .8 5 Power Line Medium specifications.9 5.1 Power .9 5.2 Data chann
5、el .9 5.3 Physical and electrical specifications 9 5.4 Connectors and coupling9 5.5 Signal coupling between phases.9 5.6 Surge protection and related devices 10 6 PL Node specifications .10 6.1 Compliance .10 6.2 Interface to MAC sub-layer.10 6.3 Word encoding 10 6.4 PL packet timing10 6.5 Transmitt
6、er characteristics .11 6.5.1 Carrier modulation11 6.5.2 Waveform amplitude.11 6.5.3 Device coupling12 6.5.4 Single phase coupling.12 6.5.5 Multiple phase coupling 12 6.6 Receiver characteristics .13 6.6.1 Receive mode effective input impedance .13 6.6.2 Receiver performance.14 6.6.3 Receiving on a q
7、uiet line.15 6.6.4 Receiving with interference.16 6.6.5 Receiving through a distorted channel.17 6.6.6 Receiving with impulsive noise17 Bibliography .19 Figures Figure 1 Relationship of CNP 3 specification to the CNP 1 specification model6 Figure 2 Power line packet format .10 Figure 3 11-bit word f
8、ormat .10 Figure 4 Test circuit for determining transmit amplitude12 14908-3 ISO/IEC:2012 (E) - 3 - Figure 5 Test circuit for determining effective receiver impedance.14 Figure 6 Test circuit for receiver performance 15 Figure 7 Graph of tone interference specification .16 Tables Table 1 Transceiver
9、 timing specifications.11 Table 2 Settings for receive performance with interfering tone test17 - 4 - 14908-3 ISO/IEC:2012 (E) Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardi
10、zation. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mut
11、ual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accorda
12、nce with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Stand
13、ard requires approval by at least 75 % of the national bodies casting a vote. ISO/IEC 14908-3 was prepared by CEN/TC 247 and was adopted, under a special “fast-track procedure”, by Joint Technical Committee ISO/IEC JTC 1, Information technology, in parallel with its approval by the national bodies o
14、f ISO and IEC. ISO/IEC 14908 consists of the following parts, under the general title Information technology Control network protocol: Part 1: Protocol stack Part 2: Twisted pair communication Part 3: Power line channel specification Part 4: IP communication 14908-3 ISO/IEC:2012 (E) - 5 - Introducti
15、on This part of ISO/IEC 14908 specifies the Control Network Power Line (PL) Channel and serves as a companion document to ISO/IEC 14908-1. Its purpose is to present the information necessary for the development of a PL physical network and nodes to communicate and share information over that network
16、. This is one of a series of documents covering the various media that comprise the CNP standard. This part of ISO/IEC 14908 covers the complete physical layer (OSI layer 1) including the interface to the Medium Access Control (MAC) Sub-Layer and the interface to the medium. It includes parameters s
17、pecific to the PL channel type, even though the parameters may be controlled at an OSI layer other than layer 1. This part of ISO/IEC 14908 also provides a set of guideline physical and electrical specifications for the power line environment as an aid in developing products for that environment. Th
18、is part of ISO/IEC 14908 has been prepared to provide mechanisms through which various vendors of local area control networks may exchange information in a standardised way. It defines communication capabilities. This part of ISO/IEC 14908 is used by all involved in design, manufacture, engineering,
19、 installation and commissioning activities and has been made in response to the essential requirements of the Constructive Products Directive. The CNP specification model is based on the OSI 7-layer model Reference Model. There are also important extensions to the OSI Reference Model. Figure 1 shows
20、 the scope of this specification in reference to the entire CNP model. In this International Standard, only the parts of the model relevant to power line communication are specified. Anything outside this boundary is covered in other parts of the standard. Similar specifications exist for other CNP
21、media. Figure 1 Relationship of CNP 3 specification to the CNP 1 specification The International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) draw attention to the fact that it is claimed that compliance with this International Standard may involve the u
22、se of patents held by Echelon Corporation. The ISO and IEC take no position concerning the evidence, validity and scope of this patent right. The holder of this putative patent right has assured the ISO and IEC that they are willing to negotiate licences under reasonable and non-discriminatory terms
23、 and conditions with applicants throughout the world. In this respect, the statement of the holder of the putative patent rights is registered with the ISO and IEC. Information may be obtained from: Echelon Corporation, 4015 Meridian Avenue, San Jose, CA 94304, USA, phone +1-408- 938-5234, fax: +1-4
24、08-790-3800 http:/. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights other than those identified above. ISO and IEC shall not be held responsible for identifying any or all such patent rights. - 6 - 14908-3 ISO/IEC:201
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