
AS-i/CANopen Gateway Table of Contents
Subject to reasonable modifications due to technical advances.Copyright Bihl+Wiedemann, Printed in Germany
Bihl+Wiedemann GmbH · D-68199 Mannheim · Tel. +49-621-339960 · Fax +49-621-3392239 · Internet http://www.bihl-wiedemann.de
issue date 4.11.1999
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Table of Contents
1The Used Symbols ...................................................................................7
2Safety ........................................................................................................9
2.1 Intended Use ...........................................................................................................9
2.2 General Safety Information ....................................................................................9
3General Information ...............................................................................11
4Connectors, Displays and Operating Keys .........................................13
4.1 Power Supply Concepts and AS-i Connection Techniques .............................13
4.1.1 Masters with power supply A ..................................................................................13
4.1.2 Masters with power supply N ..................................................................................14
4.2 The fieldbus interface ...........................................................................................17
4.3 Display and Operating Elements ......................................................................... 17
5Operating the AS-i/Gateway ..................................................................19
5.1 Master Start-Up ..................................................................................................... 19
5.2 Configuration Mode .............................................................................................. 19
5.3 Protected Operating Mode ...................................................................................20
5.3.1 Switching to Protected Operating Mode .................................................................20
5.3.2 Configuration Errors in Protected Operating Mode .................................................20
5.4 Assigning an AS-i Address in Configuration Mode ..........................................21
5.4.1 Assigning a Slave Address .....................................................................................21
5.4.2 Erasing the Slave Address ..................................................................................... 21
5.5 Programming the Address in Case of Configuration Errors ............................ 21
5.5.1 Automatic Address Assignment ..............................................................................21
5.5.2 Manual Address Assignment ..................................................................................22
5.6 Adjusting the CANopen node address and baud rate ...................................... 22
5.6.1 CANopen node address ......................................................................................... 22
5.6.2 Baud Rate ...............................................................................................................23
5.7 Error Messages .....................................................................................................23
6Operation As CANopen Node ...............................................................25
6.1 CANopen Parameter Communication ................................................................. 26
6.1.1 Object Directory ......................................................................................................26
6.1.2 Bit Assignment in Object 1001 ................................................................................27
6.1.3 Bit Assignment in Object 1002 ................................................................................27
6.2 Process Data Communication .............................................................................27
6.2.1 Mapping AS-i Data in CANopen PDOs ................................................................... 27
7CANopen telegrams ...............................................................................29
7.1 Representation of a CAN Message .....................................................................29
7.2 Default Identifier Distribution ..............................................................................30
7.2.1 Simplified Boot-up According to CANopen (NMT=0, DBT=0) ................................31
7.2.2 Examples for data exchange ..................................................................................33