WAGO 750-842 Page 13 Quick Start Quide Download

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Quick Start

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Modbus/TCP DLL application examples

WAGO-I/O-SYSTEM 750
ETHERNET StarterKit 1

2.5 Modbus/TCP DLL application examples

Before you can use the Modbus/TCP-DLL, it needs to be installed on your
computer (preferably in the Windows System directory).
Restart your computer.

You can find a DLL function description in the API Modbus/TCP DLL
manual, chapter 2.1 ff which is on the “WAGO DLL Modbus/TCP“ CD-ROM
(759-312).

In the “Samples” directory you will find examples for DLL applications under
Visual Basic and Visual C.

Summary of Contents for 750-842

Page 1: ...Modular I O System ETHERNET StarterKit 1 510 370 74 Quick Start ETHERNET Fieldbus Controller 750 842 Version 1 0 1...

Page 2: ...571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the correctness and com pleteness of this documentation However as errors can never be...

Page 3: ...pyright 4 1 1 2 Personnel Qualification 4 1 1 3 Intended Use 4 1 2 Symbols 5 1 3 Number Notation 5 1 4 Safety Notes 6 1 5 Scope 6 2 Quick Start 7 2 1 Node assembly 7 2 2 Ethernet network start up 8 2...

Page 4: ...r manufacturers are always named without referring to patent rights The existence of such rights can therefore not be ruled out 1 1 2 Personnel Qualification The use of the product detailed in this ma...

Page 5: ...operation ESD Electrostatic Discharge Warning of damage to the components by electrostatic discharge Observe the precautionary measure for handling components at risk Note Routines or advice for effi...

Page 6: ...he spray may impair the functioning of the contact area The WAGO I O SYSTEM 750 and its components are an open system It must only be assembled in housings cabinets or in electrical operation rooms Ac...

Page 7: ...412 0001 0101 and on the Internet under www wago com 2 Quick Start 2 1 Node assembly Build up the fieldbus node as follows from left to right 750 842 750 430 750 530 750 600 Connect the supplies for t...

Page 8: ...s CD Item no 0888 0412 0001 0101 or on the Internet under www wago com Service Downloads Software Click the Edit Bootptab button Create an entry in the bootptab file with the following structure Any n...

Page 9: ...ed for local addresses Further information Please find more information about avoiding the Proxy server in the browser help section under Proxy server and LAN settings The integrated Web server will n...

Page 10: ...ile New Example Fig 3 WAGO I O PRO 32 Creating a new POU A new POU PLC_PRG is created using the programming language ST Fig 3 Before programming the controller 750 842 it must be selected This is done...

Page 11: ...image will then look like the following byte declaration Input_Byte AT IB0 BYTE Output_Byte AT QB0 BYTE Fig 5 WAGO I O PRO 32 Declaration and assignment in the PLC PRG A simple assignment could be Out...

Page 12: ...CP_IP WAGO Ethernet TCP IP driver Enter the IP address of the coupler under IP Address e g 192 168 1 2 Enter port number 2455 The transport protocol is TCP Please note that the simulation is deactivat...

Page 13: ...bus TCP DLL it needs to be installed on your computer preferably in the Windows System directory Restart your computer You can find a DLL function description in the API Modbus TCP DLL manual chapter...

Page 14: ...WAGO Kontakttechnik GmbH Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Internet http www wago com...