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- Beckhoff EL6731 Digital Input Module Master Module Industrial Bus Coupler
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Product Specification
Beckhoff EL6731 Master Module Product Details
1. Product Overview
The Beckhoff EL6731 is a professional industrial fieldbus master terminal module based on the EtherCAT system, which acts as a bus coupler to realize seamless data interaction between the EtherCAT main control system and CANopen slave field devices.
It converts high-speed EtherCAT bus signals into standard CANopen protocol signals, enabling the upper PLC to collect digital input signals, analog data, equipment status feedback from CANopen servo drives, sensors, valve terminals and other slave devices, and send control commands to field execution units. Designed for standard DIN rail installation, this compact terminal module can be freely cascaded with other Beckhoff EtherCAT I/O modules, helping users integrate legacy CANopen automation equipment into modern EtherCAT distributed control systems, realizing equipment centralized monitoring, logic control and intelligent data management for various automated production facilities.
2. Core Advantages & Key Features
✅ CANopen Master Function with Stable Protocol Compatibility
Works as a CANopen master station to connect multiple CANopen slave devices, fully supports standard CANopen DS301 protocol and common device profiles, compatible with most third-party CANopen servo motors, encoders, sensor modules and actuators.
✅ High-speed EtherCAT Bus Communication
Adopts real-time EtherCAT fieldbus technology, featuring microsecond-level signal synchronization, strong anti-interference ability, ensuring stable high-speed data transmission between the master controller and CANopen field devices, perfectly meeting high-precision automated control requirements.
✅ Compact DIN Rail Mounting Design
Ultra-narrow standard terminal structure saves cabinet internal layout space, supports quick installation and disassembly on standard DIN rails, simplifies electrical cabinet wiring and on-site equipment debugging, greatly improving engineering installation efficiency.
✅ Flexible System Compatibility & Device Expansion
Freely cascades with all Beckhoff EtherCAT series terminals including digital I/O, analog modules, safety terminals and communication modules, allows flexible expansion of control points according to on-site project demands, convenient for old production line renovation and new automation system construction.
✅ Industrial-Grade EMC Anti-interference Performance
Strictly complies with international IEC EMC electromagnetic compatibility standards and ECER industrial regulations, stably operates under complex industrial environments with electromagnetic interference, vibration and temperature fluctuation, effectively reducing equipment failure rate.
✅ Plug-and-Play & Easy Configuration
Supports automatic device scanning and parameter configuration via TwinCAT software, quick identification of all connected CANopen slave equipment, shortens program development and on-site debugging cycle, lowers technical operation threshold for engineers.
3. Technical Parameters
| Parameter Item |
Detailed Specification |
| Product Model |
Beckhoff EL6731 |
| Module Type |
CANopen Master Terminal / EtherCAT Bus Coupler |
| Bus Protocol |
EtherCAT (Master Side) + CANopen (Field Side) |
| Supported CANopen Standard |
DS301, Common Manufacturer Device Profiles |
| Maximum Number of Slave Nodes |
Up to 127 CANopen slave devices |
| Communication Rate |
10 kbps ~ 1 Mbps adjustable CAN bus baud rate |
| Power Supply |
24 V DC Industrial Standard Power Supply |
| Installation Method |
Standard DIN Rail Mounting |
| Module Width |
12 mm Standard Beckhoff Terminal Width |
| Operating Ambient Temperature |
0 ℃ ~ +55 ℃ |
| Storage Temperature |
-25 ℃ ~ +70 ℃ |
| Protection Grade |
IP20 (Only for Indoor Control Cabinet Installation) |
| Compliance Certification |
IEC 61000 EMC, ECER Industrial Compliance Standard |
| Wiring Mode |
Front Spring Loaded Terminal Block |
4. Application Industries & Recommended Image Description
4.1 Main Application Industries
- Automated Assembly Production Line Industry
- Packaging Machinery, Food & Beverage Processing Equipment
- Intelligent Logistics Conveying & Automated Warehouse System
- Automotive Parts Welding, Assembly & Stamping Production Line
- New Energy, Photovoltaic & Lithium Battery Manufacturing Equipment
- Rubber, Plastic, Textile & Printing Processing Machinery
- Machine Tool, Semiconductor & Electronic Precision Processing Equipment
- Environmental Protection, Water Treatment and HVAC Automation Control
4.2 Typical Application Scenarios
Transformation and upgrading of traditional CANopen old automation production lines to EtherCAT control system
Centralized control of multi-axis CANopen servo drive systems for automated assembly equipment
Signal collection and linkage control of CANopen valve islands, pressure, position and flow sensors
Remote status monitoring, fault feedback and parameter adjustment of field automation equipment
Multi-station interlock control of intelligent AGV conveying systems and automated three-dimensional warehouses
4.3 Matching Picture Content Guidance (Text & Icon Combined Layout)
Picture 1: On-site Application Scenario Image
Scene Description:
Install the Beckhoff EL6731 module on the DIN rail inside the standard electrical control cabinet, cascaded with multiple EtherCAT digital input/output modules, servo controllers and PLC main control units. Display the actual wiring layout of the module connecting CANopen field devices, match with communication signal, control cabinet, production line running icon elements, highlight the core role of the module as a bus coupler in distributed automation control systems.
Company Details
Bronze Gleitlager
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Bronze Sleeve Bushings
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Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Distributor/Wholesaler,Manufacturer,Agent,Exporter,Trading Company,Seller
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Total Annual:
2,000,000$-3,000,000$
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Ecer Certification：
Verified Supplier
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