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WAGO 750-338 User Manual

WAGO 750-338
192 pages
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Modular I/O System
CANopen
750-337, 750-338
Manual
Technical Description,
Installation and
Configuration
Version 3.0.2

Table of Contents

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WAGO 750-338 Specifications

General IconGeneral
Product TypeDigital Input Module
FieldbusPROFIBUS DP
Input Voltage24 V DC
Current consumption from system supply50 mA
Number of fieldbus addresses1
Operating temperature-25 °C to +60 °C
Weight100 g
Data transfer rate9.6 kbps to 12 Mbps
Isolation500 V
Storage temperature-40 °C to +85 °C
Module TypeDigital Input

Summary

1 Important Notes

1.4 Safety Information

Provides critical safety notes regarding system installation, operation, and handling components.

2 The WAGO-I/O-SYSTEM 750

2.2 Technical Data

Details mechanical, electrical, and environmental specifications for the system components.

2.7 Power Supply

Covers system and field power supply requirements, isolation, and connection details for the I/O system.

2.8 Grounding

Explains grounding methods for the DIN rail and the grounding function for electromagnetic interference resistance.

3 Fieldbus Coupler

3.1 Fieldbus Coupler 750-337, 750-338

Details the CANopen fieldbus couplers, covering their description, hardware, and operation.

3.1.5 Data Exchange

Explains data transmission using CANopen communication objects like PDOs, SDOs, and NMT.

3.1.6 Starting up a CANopen Fieldbus Node

Provides a step-by-step guide for starting up a WAGO CANopen fieldbus node, including connection, configuration, and status changes.

3.1.8 Technical Data

Lists technical specifications for the fieldbus couplers, including system data, EMC, and approvals.

4 CANopen

4.2 Network Architecture

Covers CAN bus transmission media, network topology, cabling, and bus length limits.

4.3.1 Communication Objects

Explains CANopen communication objects like PDOs for data and SDOs for configuration.

4.3.2 Communication states of a CANopen fieldbus coupler/controller

Illustrates the individual communication states and transitions of a CANopen fieldbus coupler.

4.3.4 Object Directory

Explains the object directory as the central point for CANopen subscriber configuration and data storage.

4.3.5 PDO Transmission

Explains that PDO data transmission is only possible in the Operational status and covers special transmission types.

4.3.9 Error Message (Emergency)

Explains emergency messages sent for critical errors or important information, including their structure and causes.

5 I/O Modules

5.2 Process Data Architecture for CANopen

Explains the process data structure for CANopen coupler/controller, mapping data for I/O modules.

6 Use in Hazardous Environments

6.3 Classification meeting CENELEC and IEC

Explains CENELEC/IEC standards for classifying explosive environments and components.

6.4 Classifications meeting the NEC 500

Outlines NEC 500 classifications for North America, including divisions, explosion protection groups.

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