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BS ISO/IEC 14543-4-301:2020

$124.68

Information technology. Home Electronic System (HES) architecture – Application protocols for home air conditioners and controllers

Published By Publication Date Number of Pages
BSI 2020 34
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 CONTENTS
8 FOREWORD
9 INTRODUCTION
Figures
Figure 1 – Relationship between IEC 62394, ISO/IEC 14543-4-3 and ISO/IEC 14543-4-301
10 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
12 3.2 Abbreviated terms
13 4 Conformance
5 Connection configuration
Figure 2 – Connection configurations
14 6 Application layer
6.1 General
6.2 NECD objects
6.3 NECD services
Figure 3 – Assumed network stack
Tables
Table 1 – NECD objects
15 6.4 Object-specific NECD properties
Table 2 – NECD services
Table 3 – NECD properties of device object (super class)
16 6.5 Application operation
6.5.1 General
6.5.2 Continuous requests
6.5.3 Response wait timer value for controllers
Table 4 – NECD properties of device object
Table 5 – Response wait timer value for controllers
17 6.5.4 Resending a frame
6.5.5 Processing object property counter
6.5.6 Property values of write requests
7 Normal operation
7.1 General
18 7.2 Start-up operation
7.2.1 General
7.2.2 Start-up processing of NECD nodes
Figure 4 – Example of normal operation sequences
19 7.2.3 Search processing
7.2.4 Obtaining NECD attribute information
Figure 5 – Example of sequence for obtaining NECD attribute information
20 7.2.5 Obtaining home air conditioner attribute information
7.3 Periodical operation
7.4 Occasional operation
7.4.1 General
7.4.2 Obtaining home air conditioner status
21 7.4.3 Controlling home air conditioners
Figure 6 – Sequence to obtain status of home air conditioners
22 7.5 Operation during fault status
Figure 7 – Sequence to control home air conditioners
23 8 Remote control
8.1 General
8.2 Processes to be carried out by controllers on remote control
Figure 8 – Remote control
25 Figure 9 – Remote control sequence (properties are written one by one)
26 9 Considerations on controllers
9.1 General
9.2 Restrictions by home air conditioner implementations
Figure 10 – Remote control sequence (properties are written in a batch)
28 9.3 Processable number of object property counter
9.4 Status synchronization by controllers (periodical operation)
29 Figure 11 – Status synchronization flow by controllers
30 9.5 Reading fault status
Figure 12 – Obtaining detailed fault status information
31 Annex A (informative)Terms and NECD frame format on ISO/IEC 14543-4-3 and IEC 62394
A.1 Terms correspondence between ISO/IEC 14543-4-3 and IEC 62394
A.2 NECD frame format
Table A.1 – Terms correspondence table between ISO/IEC 14543-4-3 and IEC 62394
32 Figure A.1 – NECD frame format
BS ISO/IEC 14543-4-301:2020
$124.68