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WAGO 750 Series User Manual

WAGO 750 Series
248 pages
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Modular I/O-System
Linux Fieldbus Coupler
750-860
Manual
Technical description,
installation and
configuration
Version 1.1.1

Table of Contents

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WAGO 750 Series Specifications

General IconGeneral
Protection ClassIP20
Bus CouplersPROFIBUS, CANopen, Ethernet
ModulesDigital Input, Digital Output, Analog Input, Analog Output
MountingDIN rail mounting
Voltage Supply24 V DC (typical)
Communication ProtocolDepends on the bus coupler (e.g., PROFIBUS, CANopen, DeviceNet, Ethernet)
Digital Input ChannelsVaries by module (e.g., 8, 16 channels)
Digital Output ChannelsVaries by module (e.g., 8, 16 channels)
Analog Input ChannelsVaries by module (e.g., 2, 4, 8 channels)
Analog Output Channels1, 2, 4 channels (depending on module)
Width12 mm, 24 mm (typical module widths)
Number of ChannelsVaries by module type
Current Consumption per ChannelVaries by module type

Summary

Important Comments

Legal Principles

Covers copyright, personnel qualification, and intended use of the product.

Safety Notes

Provides essential safety instructions for handling and operating the device.

Scope

Defines the coverage of the manual and lists the item number for the described product.

Abbreviation

Lists abbreviations used in the manual for technical terms and components.

The WAGO-I/O-SYSTEM 750

System Description

Provides an overview of the modular, fieldbus-independent I/O system.

Technical Data

Details the mechanical, electrical, and environmental specifications of the system.

Mechanical Setup

Covers installation position, total expansion, and assembly onto carrier rails.

Power Supply

Explains isolation, system supply, field supply, and fusing requirements.

Grounding

Details methods for grounding the DIN rail and grounding functions.

Shielding (Screening)

Describes the importance and methods of shielding data and signal conductors.

Linux Fieldbus Coupler 750-860

View

Illustrates and describes the physical components and LEDs of the Linux fieldbus coupler.

Display Elements

Explains the function and meaning of the LEDs on the fieldbus coupler.

Linux System Start

Details the initialization process, boot loader, and kernel startup scripts.

Error Indication (IO LED)

Describes how to interpret error codes indicated by the IO LED blink patterns.

Technical Data

Provides detailed system specifications, protocols, and approvals for the coupler.

Board Support Package (BSP)

Scope of delivery

Lists the directories and files included in the Board Support Package (BSP).

File System (Root File System)

Details the directory structure of the Linux coupler's file system.

The Console of the Linux Fieldbus Coupler

Explains how to access and use the console for administration and scripting.

Ethernet Interface Services

Covers services like Telnet, FTP, Web Server, SNTP, and Netflash.

Step-by-Step Guide to your own Linux Application

Installation of the Development Toolchain

Guides through installing the necessary toolchain for application development.

Linux Kernel Compilation

Explains the process of compiling the Linux kernel and user space applications.

Setup of the Development Environment

Covers essential PC software and tools for development and communication.

Setting the IP address of the Linux Fieldbus Coupler

Details methods for assigning static or dynamic IP addresses.

Debugging of User Space Programs

Provides an introduction to debugging using GDB and DDD.

Process Image

Basic Structure

Explains the fundamental structure and recognition of I/O modules in the process image.

Internal Bus Driver (kbus.ko)

Details the functions and usage of the internal bus driver for module communication.

Process Image Analysis via the /proc Directory

Describes how to analyze process image data using the /proc directory.

I/O Modules

Overview

Lists available I/O modules and directs to further documentation.

Digital Input Modules

Details various types of digital input modules and their specifications.

Digital Output Modules

Details various types of digital output modules and their specifications.

Analog Input Modules

Details various types of analog input modules and their specifications.

Analog Output Modules

Details various types of analog output modules and their specifications.

Specialty Modules

Describes specialized I/O modules like counters, encoders, and serial interfaces.

Process Data Architecture for MODBUS/TCP

Explains the process data mapping for modules using MODBUS/TCP.

Application Examples

LED Indication Example

Demonstrates accessing and controlling the LEDs on the Linux fieldbus coupler.

Example kbusdemo

Shows how to read input modules and set output bits using the internal bus.

Example of a Modbus TCP Server

Illustrates implementing a Modbus TCP server for reading inputs and setting outputs.

Example Program for a CGI Application

Demonstrates using CGI scripts for web-based management of the coupler.

Example of Reading and Writing from the NVRAM

Shows how to access and manipulate data in the NVRAM.

Bootloader (U-Boot)

Boot Loader Toolchain

Guides on installing the special toolchain required for U-Boot development.

TFTP Server Setup

Details the setup required for a TFTP server for kernel and file system updates.

Environment Variables

Explains relevant environment variables for boot process control and software updates.

Fieldbus Communication

ETHERNET

Provides a general overview of ETHERNET technology in industrial communication.

Network Architecture – Principles and Regulations

Describes the basic principles and regulations of ETHERNET network architecture.

Network Topologies

Explains star and tree topologies for ETHERNET networks.

Transmission Media

Details general ETHERNET transmission standards and cable types.

Communication Protocols

Outlines important communication protocols used in WAGO ETHERNET systems.

IP-Protocol

Explains the Internet Protocol, IP addresses, and network classes.

DHCP (Dynamic Host Configuration Protocol)

Covers dynamic IP configuration using DHCP servers.

FTP-Server (File Transfer Protocol)

Details the FTP protocol for file exchange and supported commands.

Application Protocols

Lists fieldbus-specific application protocols supported by WAGO couplers.

Use in Hazardous Environments

Classification Meeting CENELEC and IEC

Covers classifications, zones, explosion groups, and temperature classes per European standards.

Types of Ignition Protection

Explains different types of ignition protection measures for electrical components.

Classifications Meeting the NEC 500

Details classifications according to NEC 500 for North American hazardous areas.

Installation Regulations

Provides national installation regulations for explosive areas in Germany, USA, and Canada.

Glossary

DHCP

Dynamic Host Configuration Protocol for automatic network configuration.

ETHERNET

Specifies a Local Area Network (LAN) and its access method.

IP

Internet Protocol for connectionless network layer communication.

TCP

Transport Control Protocol for reliable, connection-oriented data transport.

Literature List

Index

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