Why Choose the WAGO 750-837/021-000 CANopen Controller?
The WAGO 750-837/021-000 is a high-performance CANopen programmable fieldbus controller designed for industrial automation, machine control and distributed I/O applications. As part of the established WAGO-I/O-SYSTEM 750 series, this controller combines PLC functionality, fieldbus communication and scalable I/O integration within a compact DIN rail mounted device.
Developed for machine builders, OEM manufacturers and automation engineers, the controller enables decentralised control architectures where processing intelligence is distributed throughout the system. This approach reduces network traffic, improves response times and simplifies the design of complex industrial automation projects.
Featuring integrated CANopen communication up to 1 Mbit/s, enhanced 640 KB program memory, 832 KB data memory and IEC 61131-3 compliant programming, the 750-837/021-000 provides a powerful and flexible platform for industrial control applications requiring reliable CANopen networking and local processing capabilities.
Key Advantages
Compact CANopen programmable controller.
Enhanced 640 KB program memory and 832 KB RAM.
CANopen communication up to 1 Mbit/s.
IEC 61131-3 compliant programming environment.
Programmable fault response during fieldbus interruptions.
Supports decentralised automation architectures.
Reduces network traffic through local signal processing.
Compatible with the complete WAGO-I/O-SYSTEM 750 range.
Key Features
WAGO CANopen Controller.
Integrated PLC functionality.
CANopen communication interface.
Transmission speeds from 10 kbit/s to 1 Mbit/s.
16-bit processor architecture.
640 KB program memory.
832 KB data memory.
IEC 61131-3 programming support.
Programming via WAGO-I/O-PRO V2.3.
Local process image generation.
Enhanced CANopen Control for Industrial Automation
The WAGO 750-837/021-000 combines advanced PLC functionality and CANopen communication within a single compact controller. The increased program and data memory capacity compared to the standard 750-837 model allows more complex control programs, larger process images and enhanced application flexibility.
The controller enables direct access to both fieldbus and I/O data while supporting decentralised automation concepts. Local signal processing reduces communication traffic and improves system responsiveness, making the controller ideal for demanding machine control and industrial process applications.
Typical Applications
Industrial machine control.
CANopen automation networks.
Manufacturing systems.
Packaging and production machinery.
Material handling equipment.
Process control applications.
Distributed I/O architectures.
OEM control panel solutions.
Technical Specifications
Voltage
24 V
IP Rating
IP20
Series
WAGO-I/O-SYSTEM 750
Product type
CANopen Programmable Fieldbus Controller
Communication protocol
CANopen
Baud rate
10 kbit/s to 1 Mbit/s
CPU
16-bit processor
Program memory
640 KB
Data memory
832 KB
Non-volatile memory
8 KB
Programming standard
IEC 61131-3
Programming software
WAGO-I/O-PRO V2.3
Supply voltage
24 V DC (-25% to +30%)
Input current
Approx. 500 mA
Maximum modules per node
64
Maximum fieldbus nodes
110
Memory for fieldbus inputs
512 bytes
Memory for fieldbus outputs
512 bytes
Protection rating
IP20
Mounting type
DIN rail mounting
Operating temperature
0°C to +55°C
Bus segment length
Up to 1000 m (depending on baud rate)
HS Code
85371091
Country of Manufacture
Germany
Frequently Asked Questions
What is the WAGO 750-837/021-000 used for?
The controller is designed for industrial automation applications requiring CANopen communication, PLC functionality and distributed I/O control.
What memory capacity does this controller provide?
The controller includes 640 KB program memory and 832 KB data memory, providing significantly greater capacity than the standard 750-837 version.
Which communication protocol does the controller support?
The 750-837/021-000 supports CANopen communication with transmission speeds up to 1 Mbit/s.
Can the controller be programmed?
Yes, the controller supports IEC 61131-3 programming using the WAGO-I/O-PRO software environment.
How many I/O modules can be connected?
The controller supports up to 64 WAGO I/O modules per node.
Trusted by Automation Engineers Worldwide
WAGO CANopen controllers are widely used throughout industrial automation systems where reliable fieldbus communication, enhanced memory capacity and scalable I/O integration are essential for efficient machine and process control.
Voltage
24 V
IP Rating
IP20
Series
WAGO-I/O-SYSTEM 750
Product type
CANopen Programmable Fieldbus Controller
Communication protocol
CANopen
Baud rate
10 kbit/s to 1 Mbit/s
CPU
16-bit processor
Program memory
640 KB
Data memory
832 KB
Non-volatile memory
8 KB
Programming standard
IEC 61131-3
Programming software
WAGO-I/O-PRO V2.3
Supply voltage
24 V DC (-25% to +30%)
Input current
Approx. 500 mA
Maximum modules per node
64
Maximum fieldbus nodes
110
Memory for fieldbus inputs
512 bytes
Memory for fieldbus outputs
512 bytes
Protection rating
IP20
Mounting type
DIN rail mounting
Operating temperature
0°C to +55°C
Bus segment length
Up to 1000 m (depending on baud rate)
HS Code
85371091
Country of Manufacture
Germany
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
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Support for engineering, maintenance, and operations
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...