WAGO 750-880 User Manual

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Manual
WAGO-I/O-SYSTEM 750
ETHERNET Programmable Fieldbus Controller
750-880, 750-880/025-000
10 / 100 Mbit/s; digitale und analoge Signale
Version 1.0.1
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WAGO 750-880 Specifications

General

Data Memory	128 KB
Real-time Clock	Yes
Supply Voltage	24 VDC
System Power Supply	24 VDC
Number of I/O Modules	Up to 64
Protection Type	IP20
Relative Humidity	95 % (non-condensing)
Bus System	Ethernet
Interfaces	Ethernet, RS-232
Operating Temperature	-25 °C to +60 °C
Storage Temperature	-40°C to 85°C
Data Rate	10/100 Mbit/s (Ethernet)
Programming Languages	IEC 61131-3
Data Transfer Rate	10/100 Mbit/s
Fieldbus Protocols	MODBUS/TCP
Product Type	Programmable Fieldbus Controller

Summary

Important Notes

Safety Advice (Precautions)

Provides essential safety guidelines for installation and operation.

System Description

Hardware Address (MAC ID)

Power Supply

Explains the electrical isolation and system/field supply concepts.

Grounding

Device Description

Connectors

Operating Elements

Describes the service interface, mode selector, and address selection switches.

Technical Data

Lists detailed specifications for device, system, supply, and communication protocols.

Assembly

Assembly onto Carrier Rail

Inserting and Removing Devices

Provides instructions and warnings for inserting and removing I/O modules and the fieldbus coupler.

Connect Devices

Data Contacts/Internal Bus

Power Contacts/Field Supply

Connecting a conductor to the CAGE CLAMP®

Function Description

Operating System

Covers the controller's run-up process and the PFC cycle.

Process Data Architecture

Explains how the controller creates local process images from I/O modules.

Data Exchange

Details data exchange via MODBUS/TCP, EtherNet/IP, and PLC functions.

Memory Card Function

Describes the optional memory card for storing programs and settings.

Commissioning

Connecting Client PC and Fieldbus Nodes

Guides connecting the client PC to the fieldbus controller and turning on power.

Allocating the IP Address to the Fieldbus Node

Explains methods for assigning IP addresses: DIP switch, DHCP, and BootP server.

Testing the Function of the Fieldbus Node

Details testing communication and IP address correctness via ping.

Programming the PFC using WAGO-I/O-PRO

Configuration using the WAGO-I/O-PRO I/O Configurator

Guides on using the I/O Configurator plugin for address assignment.

Functional Restrictions and Limits

General Information about IEC Tasks

Provides notes on task priorities, execution, and watchdog settings.

Transfer the IEC program to the controller

Details methods for transferring IEC programs via serial port or TCP/IP.

Configuring via the Web-Based Management System (WBM)

Ethernet

TCP/IP

Details network addressing and identification configuration via the TCP/IP page.

Port

SNMP

Watchdog

Clock

Security

PLC

I/O Config

WebVisu

Diagnostics

LED Signaling

Explains the function and meaning of the device's LEDs for status indication.

Fault Behavior

Describes behavior during loss of fieldbus or internal data bus failures.

Fieldbus Communication

Implemented Protocols

Explains communication protocols like MODBUS/TCP, EtherNet/IP, and others.

MODBUS Functions

Details the functions, header structure, and data types of the MODBUS protocol.

EtherNet/IP (Ethernet/Industrial Protocol)

Defines EtherNet/IP as an open industry standard for industrial environments.

I/O Modules

Process Data Architecture for MODBUS/TCP

Process Data Architecture for EtherNet/IP

Application Examples

Test of MODBUS protocol and fieldbus nodes

Visualization and Control using SCADA Software