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Communication Services
4-2
SIMATIC 505 PROFIBUS-FMS CP User Manual
4.1 Overview
The
FMS CP module supports the following types of communication
services:
•
Fieldbus Message Specification (FMS) services are based on layer 7, the
application layer of the OSI 7 Layer model. FMS services use an
industry-standard, open protocol, which allows for communication
between SIMA
TIC and third-party FMS devices.
•
Send-Receive services are based on layer 2, the data link layer of the
OSI 7 Layer model, a flexible, lower
-level protocol (using bytes as
opposed to named variables). Because Send-Receive services use layer
2, transmission is limited to a single network segment. Send-Receive
services are supported by the module to allow for communication
between the FMS CP module and Send-Receive devices, such as S5.
•
S7 services are based on layer 7, the application layer of the
OSI 7 Layer model. S7 services use a proprietary protocol for
communication between SIMATIC S7 devices.
•
Peerlink II services are based on layer 2, the data link layer of the
OSI 7 Layer model. Because Peerlink II services use layer 2,
transmission is limited to a single network segment. Peerlink II
services are supported by SIMA
TIC 505 only
. Peerlink II offers more
flexibility with greater data handling ability than Peerlink.
These services can all be used concurrently up to the network capacity
.
The FMS CP module can act as a client or as a server when you configure
FMS and Send-Receive services; it can initiate, or respond to, requests for
data. The FMS CP module acts only as a server for S7 services, responding
to remote requests from S7 devices on the network (see T
able 4-1).
T
able 4-1
Service Modes of the FMS CP Module
Service Client Server
FMS Services YES YES
Send-Receive Services YES YES
S7 Services NO YES
Communication
Services
Functional
Modes
of Communication
- PROFIBUS-FMS Communications 1
- Processor (505–CP5434–FMS) 1
- MANUAL PUBLICA 3
- TION HISTOR 3
- OF EFFECTIVE P 4
- Contents 5
- Contents v 7
- Chapter 7 Diagnostics 9
- List of Figures 11
- List of Figures (continued) 12
- Contents xi 13
- Overview 17
- 1.2 Hardware Overview 20
- 1.3 Network Overview 22
- Network Overview (continued) 24
- Installing 27
- the Module 27
- 2.1 Overview of Installation 28
- Installing the Module 30
- torque: 2.6 in-lb (0.3 N-m) 31
- Backplane connectors 31
- 2.6 Powering Up the Base 34
- Connecting 39
- the Network 39
- 3.1 Cables and Connectors 40
- Connecting the Network 41
- 3.2 Cable Routing 43
- Cable Routing (continued) 44
- Communication 52
- Services 52
- 4.1 Overview 53
- Communication Services 54
- Overview (continued) 55
- 4.2 Addressing 58
- 4.3 FMS Services 59
- FMS Services (continued) 61
- 4.4 Send-Receive Services 62
- 4.5 Peerlink II Services 63
- 4.6 S7 Services 64
- the COM5434 Configurator 65
- A:\SETUP 66
- *Standard-Mixed 78
- 5.6 Defining FMS Connections 83
- 5.7 Defining FDL Connections 87
- Local LSAP Enter 89
- Remote LSAP Enter 89
- 5.9 Configuring FMS Jobs 91
- 5.11 Creating FMS Data Types 97
- Definition When 99
- 5.12 Creating FMS Variables 100
- Enter a memory 102
- Use Index? Select 104
- Sub Index You 104
- Configuration 108
- Examples 108
- 6.1 Overview 109
- Configuration Examples 110
- Data Flow 111
- Figure 6-10 FMS 120
- Figure 6-16 Send 130
- Figure 6-17 Receive 132
- Red Box PLCBlue Box PLC 135
- Diagnostics 147
- 7.1 CP Status 148
- 7.2 Active Stations 149
- 7.3 PROFIBUS Statistics 150
- 7.4 FMS Connection Status 151
- 7.5 FDL Connection Status 152
- 7.6 Job Status 153
- 7.7 Peer Block Status 154
- Reference 155
- A.1 Data Element List 156
- Element List (continued) 157
- Data Element List (continued) 158
- Reference Data 161
- 12345678910111213141516 163
- Structure 165
- Identify Response 167
- A.6 Local LSAP Assignments 172
- Troubleshooting 173
- B.1 Using the RESET Button 174
- B.2 Job Status Codes 175
- Job Status Codes (continued) 176
- Specifications 180
- Index-2 183
- Index-4 185
- Customer 186
- Response 186
- FIRST CLASS 187
- PERMIT NO.3 187
- JOHNSON CITY 187
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