ENV 1805-2 : DRAFT 1995

Foreword
0 Introduction
1 Scope
1.1 Field of application
1.2 Purpose
2 Normative references
3 FND communication model
3.1 Information exchange
3.2 Positioning of FND inside building automation
       systems
3.3 FND building automation model
3.4 Data points
3.5 Definitions
4 Description of data points
4.1 Transfer point
4.2 Signalling point
4.3 Switching point (with and without feedback)
4.4 Measuring point
4.5 Set point
4.6 Counting point
4.7 Collection point
5 FND-APDU format
5.1 Survey
5.1 Survey
5.2 Data point status
6 Operational description
6.1 Commands
6.2 Message
6.3 Disabling event messages
6.4 Access control
7 Segmentation
8 Communication process
8.1 General
8.2 invoke_id
8.3 dp_busy
8.4 Procedural specification
8.5 REJECT/ERROR conditions
9 Conformity assessment
9.1 Testing of an FND island control station interface
9.2 Testing of an FND control station interface
Annex A Authentication
Annex B Binary attributes and physical dimensions
Annex C Network interface
Annex D REJECT and ERROR codes
D.1 REJECT Coding
D.2 ERROR Codes
D.3 Info-code in case of commands

Specifies the interface of the central station and of the island of automation stations for communicating with each other. Does not deal with the network used for interworking these systems.