1. Preface

2. Basic technologys

2.1. Layered communication model

2.2. Message passing

2.3. Multi-Tasking

2.4. RAC/GBS Task

2.5. Robustness

2.5.1. RS485

2.5.2. CRC

2.5.3. Low-level handshaking

2.6. MASTER/SLAVE

3. The physical layer

3.1. RS485

3.2. Connectors

3.3. Cableing and termination

4. The link layer

4.1. SDLC framing

4.2. CRC-CCITT

4.3. Handshaking

4.4. Memory management

4.5. Error conditions

5. Application layer

5.1. Tasks

5.2. RAC/GBS Task

5.2.1. Task related services

5.2.2. Memory up/downlaod

5.2.3. I/O manipulation

5.2.4. Node information

5.2.5. RESET

6. User Tasks and how to write them

6.1. iDCX51 / BROS

6.2. MOCOM mCAT

6.3. SYSTEM Electronics DICO

7. BAPI