B&B Electronics GW-7553 - Manual - Manual (Page 3)

GW-7553 PROFIBUS/Modbus TCP Gateway User Manual (Version 1.00, Dec/2008) PAGE: 3
Table of Contents
1. Introduction…………………………………………………………. 4
1.1 Features…………………………………………………………………………………... 5
1.2 Modules Support…………………………………………………………………………. 5
1.3 Specification……………………………………………………………………………… 5
2. Hardware……………………………………………………………. 7
2.1 Block Diagram of GW-7553…………………………………………………………….. 7
2.2 Pin Assignment…………………………………………………………………………... 7
2.3 Wiring……………………………………………………………………………………. 9
2.4 Setting the PROFIBUS Address………………………………………………………. 12
2.5 LED status indicator……………………………………………………………………. 13
2.6 Normal/Setting DIP switch…………………………………………………………….. 14
3. Communication protocol transfer theorem……………………… 16
3.1 PROFIBUS data exchange…………………………..…………………………………. 16
3.2 Modbus data exchange…………………………………………………………………. 19
3.3 Communication protocol transfer………………………………………………………. 22
4. Communication……………………………………………………. 26
4.1 Field of application…………………………………………………………………….. 26
4.2 GSD file………………………………………………………………………………… 27
4.3 The Configuration of the common parameters…………………………………………. 30
4.4 The Configuration of the modules……………………………………………………… 31
4.5 Diagnostic messages……………………………………………………………………. 34
4.6 I/O data exchange……………………………………………………………………….. 35
4.7 Establish connection with GW-7553……………………………………………………. 37
4.8 Data exchange example—Modbus RTU……………………………………………….. 39
4.9 Data exchange example—Modbus TCP………………………………………………... 49
5. Application of Utility………………………………………………. 60
5.1 Install Utility……………………………………………………………………………. 60
5.2 Utility introduction……………………………………………………………………… 63
5.3 Memory address configuration of the module………………………………………….. 65
5.4 Safe value setting……………………………………………………………………….. 67
5.5 IP setting………………………………………………………………………………… 69
5.6 Establish connection with GW-7553……………………………………………………. 70
6. Troubleshooting……………………………………………………. 73
7. Dimensions…………………………………………………………. 74