Technical data
1 Introduction 1 - 1
2 System Overview 2 - 1
2.1 SINEC Overview 2 - 3
2.2 The PROFIBUS-Compatible Network
SINEC L2/L2FO 2 - 5
2.2.1 Standards 2 - 7
2.2.2 Network Access Technique 2 - 10
2.2.3 Transmission Techniques 2 - 14
2.2.3.1 Transmission According to RS-485 2 - 14
2.2.3.2 Transmission with Fiber Optic Cables (FO) 2 - 15
2.3 Network Topology 2 - 18
2.3.1 Topology of an Electrical SINEC L2 Network for
the RS-485 Technique 2 - 18
2.3.2 Topology of an Optical SINEC L2FO Network 2 - 20
2.3.3 Topology of a Combined Electrical / Optical
SINEC L2/L2 FO Network 2 - 21
2.4 Configuring the Network 2 - 23
2.4.1 Configuring a SINEC L2 Network for RS-485 2 - 23
2.4.2 Configuring a SINEC L2FO Network 2 - 25
3 Fundamentals of the Model 3 - 1
3.1 ISO/OSI Reference Model for Communication 3 - 2
3.2 Architecture <-> OSI Environment 3 - 3
3.2.1 Communications Model 3 - 6
3.2.1.1 Relationship between Application Processes 3 - 6
3.2.1.2 Logical Data Exchange 3 - 7
3.2.2 Communication Relations 3 - 7
3.2.2.1 Addressing Model for Explicit Communication
(for S5-S5, free layer 2 and FMA) 3 - 8
3.2.2.2 Addressing Model for Implicit Communication
(GP, DP ZP) 3 - 9
B8976060/02 Contents
I Volume 1










