Wago 750-837/021-000 Controller Canopen, M3 Mcs

Why Choose the WAGO 750-837/021-000 CANopen Controller?

The WAGO 750-837/021-000 is a compact CANopen programmable controller designed for decentralised industrial automation using the modular WAGO I/O System 750. This DIN-rail mounted PLC combines control functionality, fieldbus communication and modular I/O connectivity in a single device, enabling efficient distributed control architectures in manufacturing and process automation systems. :contentReference

The controller communicates using the CANopen fieldbus protocol, allowing reliable data exchange between automation devices while simultaneously executing local PLC logic. This approach enables signals to be processed locally at the field level, reducing fieldbus traffic and improving system responsiveness. :contentReference

Supporting IEC 61131-3 programming languages, the controller allows engineers to develop automation applications using standard PLC environments such as WAGO-I/O-PRO (based on CODESYS). With flexible integration of digital and analogue modules from the WAGO I/O System 750, the controller can be used to build scalable distributed automation solutions. :contentReference

Key Advantages

• Reliable CANopen programmable controller for distributed automation systems.
• Combines PLC logic, fieldbus interface and modular I/O connectivity in one device.
• Supports IEC 61131-3 programming languages for flexible control logic.
• Enables decentralised control to reduce load on central PLC systems.
• Signal pre-processing reduces fieldbus communication traffic.
• Compatible with the modular WAGO I/O System 750 platform.

Key Features

• CANopen programmable fieldbus controller.
• 16-bit CPU for PLC processing.
• Supports IEC 61131-3 languages including LD, FBD, ST and SFC.
• CANopen communication interface with 5-pole connector.
• Programmable fault response for fieldbus failure conditions.
• Supports up to 64 I/O modules in a node.
• DIP switch configuration for node ID and baud rate.
• Diagnostic LEDs for system, bus and status monitoring.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-837/021-000
• Product type: CANopen programmable controller
• Processor: 16-bit CPU
• Program memory: 640 kB
• Data memory: 832 kB
• Programming standard: IEC 61131-3
• Programming environment: WAGO-I/O-PRO (CODESYS based)
• Supply voltage: 24 V DC (−25% to +30%)
• Communication interface: CANopen
• Baud rate: 10 kbit/s to 1 Mbit/s
• Maximum nodes per CANopen master: up to 110
• Maximum modules per node: up to 64
• Operating temperature: 0 °C to +55 °C
• Mounting: DIN rail (35 mm)
• Protection rating: IP20

Industrial CANopen Automation Connectivity

CANopen is widely used in industrial automation for deterministic real-time communication between controllers, sensors and actuators. The WAGO 750-837/021-000 controller integrates this protocol with local PLC processing to provide distributed control capabilities within industrial systems. :contentReference

By performing signal processing locally and transmitting only necessary data over the CANopen network, the controller helps optimise network efficiency while improving response times in automation systems. :contentReference

Typical Applications

• Distributed machine control systems.
• Industrial automation and manufacturing equipment.
• Integration of sensors and actuators via CANopen networks.
• Production line monitoring and process control.
• Decentralised PLC control nodes within larger automation systems.

Trusted by Automation Engineers

WAGO CANopen controllers are widely used in distributed automation systems to provide reliable field-level control and communication across modern industrial facilities.