ISO/IEC 10192-3:2017

ISO/IEC 10192-3
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
colour
inside
Information technology – Home electronic system (HES) interfaces –
Part 3: Modular communications interface for energy management

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ISO/IEC 10192-3
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
colour
inside
Information technology – Home electronic system (HES) interfaces –

Part 3: Modular communications interface for energy management

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.200 ISBN 978-2-8322-5099-0

– 2 – ISO/IEC 10192-3:2017 © ISO/IEC 2017
CONTENTS
FOREWORD . 7
INTRODUCTION . 8
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviated terms . 11
3.1 Terms and definitions . 11
3.2 Abbreviated terms . 11
4 Conformance . 12
5 Physical/electrical Interface . 12
5.1 Form factors . 12
5.2 Removal and exchange of a UCM . 12
5.3 Block diagram . 12
6 Serial protocol . 13
6.1 Protocol data unit . 13
6.2 Message Type field . 13
6.3 Payload length field . 14
6.4 Checksum field . 15
6.5 Bit and byte order . 15
6.5.1 Bit order within a byte . 15
6.5.2 Byte order for multi-byte messages . 15
6.6 Message synchronization and timing . 15
6.6.1 Message sequencing . 15
6.6.2 Link layer timing . 15
6.6.3 Randomized link layer retries . 17
6.6.4 Application layer timing . 17
6.7 SGD handling of conflicting messages . 18
7 Simple Protocol . 18
8 Link layer . 19
8.1 Use of link layer messages . 19
8.2 Link layer ACK/NAK . 19
8.3 Message Type “supported query” . 20
9 Data-link messages . 21
9.1 Message format . 21
9.2 Interface power limit negotiation . 23
9.3 Bit rate negotiation . 24
9.4 Power-up and state reset . 25
9.5 Security . 25
9.6 Setting slot numbering . 25
10 Basic DR application (Message Type = 0x08, 0x01) . 26
10.1 Basic DR application commands . 26
10.1.1 Message format . 26
10.1.2 Basic message fixed length . 30
10.1.3 Event Duration field . 30
10.1.4 Grouped messages . 31
10.2 Usage and details of basic DR application messages . 31
10.2.1 Request for power level (Opcode 0x06) . 31

10.2.2 Relative price commands (Opcode 0x07 and 0x08) . 32
10.2.3 Time remaining in present price period (Opcode 0x09) . 33
10.2.4 Operating state monitoring (Opcodes 0x12 and 0x13) . 33
11 Intermediate DR application (Message Type = 0x08, 0x02) . 35
11.1 Intermediate DR message set . 35
11.2 Usage and details of Intermediate DR application messages . 38
11.2.1 Info request . 38
11.2.2 Get/Set UTC time . 41
11.2.3 Get/Set energy price . 42
11.2.4 Get/Set tier . 44
11.2.5 Get/Set temperature offset. 45
11.2.6 Get/Set set point . 46
11.2.7 Autonomous cycling . 47
11.2.8 Demand reduction – terminate cycling . 49
11.3 Demand response event schedules . 49
11.3.1 Function . 49
11.3.2 Send scheduled events request . 50
11.4 Energy consumption . 50
11.4.1 Function . 50
11.4.2 Commodity read . 50
11.4.3 Get/Set CommodityType . 53
12 Commissioning and network messages (Message Type = 0x08, 0x04) . 55
13 Pass-Through Mode . 55
13.1 Pass-Through method . 55
13.1.1 General . 55
13.1.2 Full Encapsulation in the Message Payload . 56
13.1.3 Message Type Field . 56
13.1.4 Message Type Support Query . 56
13.1.5 Maximum Message Length Negotiation . 56
13.1.6 Pass-Through mode protocols . 56
13.2 Pass-Through mode protocols. 56
13.2.1 USNAP 1.0 protocol Pass-Through . 56
13.2.2 SEP1.0 or 1.1 Pass-Through . 57
13.2.3 ClimateTalk Pass-Through . 57
13.2.4 General Internet Protocol Pass-Through . 57
13.2.5 ISO/IEC 14543-4-3 Pass-Through . 58
13.2.6 ISO/IEC 14543-3-1 Pass-Through . 58
13.2.7 ISO/IEC 14908-1 Pass-Through . 59
13.2.8 SunSpec Pass-Through . 59
14 Typical communication exchanges . 59
15 General security principles . 60
16 Load management event randomization . 60
Annex A (normative) Low voltage DC form factor . 62
A.1 General . 62
A.2 Limitations . 62
A.3 Power for UCM . 62
A.4 Mechanical interface . 62
A.4.1 DC form factor board layout . 62
...