Wago 750-652 Rs232/485 Interface,

Why Choose the WAGO 750-652 RS-485 Serial Interface Module?

The WAGO 750-652 is a robust RS-485 serial communication interface module designed for integration within the WAGO I/O System 750. It allows PLC controllers and automation systems to communicate with industrial devices using the RS-485 communication standard, commonly used for distributed control networks, instrumentation and field devices.

The module supports reliable serial communication over longer cable distances than RS-232 and enables connection of multiple devices on a single bus. This makes it ideal for integrating industrial equipment such as drives, controllers, energy meters, sensors and other automation devices into PLC-based control systems.

Installed within a WAGO modular I/O node, the interface enables serial field devices to be integrated directly into fieldbus or Ethernet-based automation architectures, simplifying system design and reducing the need for external communication gateways.

Key Advantages

• Integrated RS-485 serial communication interface.
• Supports connection of multiple devices on a single serial bus.
• Reliable communication over long cable distances.
• Electrical isolation between field signals and system bus.
• Compact module for WAGO I/O System 750 installations.
• Maintenance-free wiring using CAGE CLAMP® spring terminals.

Key Features

• RS-485 serial interface module.
• Half-duplex serial communication.
• Supports baud rates up to approximately 115.2 kBd.
• Configurable communication parameters including parity and stop bits.
• Integrated buffers for reliable data transfer.
• Status LEDs for communication diagnostics.
• Direct integration with WAGO I/O System 750 controllers.
• DIN rail mounting for modular automation systems.

Technical Specifications

• Manufacturer: WAGO
• Series: I/O System 750
• Model: 750-652
• Module type: RS-485 serial interface
• Communication protocol: RS-485
• Transmission mode: Half duplex
• Maximum baud rate: approx. 115.2 kBd
• Input buffer: approx. 128 bytes
• Output buffer: approx. 128 bytes
• System supply voltage: 5 V DC via internal system bus
• Isolation voltage: approx. 500 V between system and field
• Connection technology: WAGO CAGE CLAMP® spring terminals
• Mounting: DIN-35 rail
• Protection rating: IP20
• Operating temperature: 0 to 55 °C
• Module width: approx. 12 mm

RS-485 Communication in Industrial Automation

RS-485 communication is widely used in industrial networks due to its ability to support long cable distances and multiple devices on a single communication bus. It is commonly used for protocols such as Modbus RTU and other serial industrial communication systems.

The WAGO 750-652 allows RS-485 devices to be integrated directly into PLC-based automation systems. By transferring serial data through the WAGO fieldbus controller, engineers can incorporate serial networks into distributed control systems while maintaining reliable communication with field devices.

Typical Applications

• Connecting Modbus RTU devices and field instruments.
• Integration of industrial drives and controllers.
• Communication with energy meters and monitoring equipment.
• Distributed automation networks.
• Industrial process monitoring systems.

Trusted by Automation Engineers

WAGO I/O System 750 communication modules enable automation engineers to integrate serial field devices and industrial networks into flexible PLC-based control systems.