Wago 750-653/025-018 Rs485 Interface, 9600Bd N

Why Choose the WAGO 750-653/025-018 RS-485 Serial Interface Module?

The WAGO 750-653/025-018 is a compact RS-485 / RS-422 serial communication interface module designed for integration with the WAGO I/O System 750. It enables PLC controllers and distributed automation systems to communicate reliably with field devices such as drives, sensors, meters and instrumentation that operate on RS-485 serial networks.

By providing a direct serial interface within the WAGO I/O node, the module allows industrial equipment to be connected to fieldbus-based control architectures without requiring additional gateways. This simplifies system integration while enabling dependable communication between PLC controllers and serial field devices.

With strong interference immunity and galvanic isolation between field signals and the system bus, the module ensures stable communication even in electrically noisy industrial environments.

Key Advantages

• Integrated RS-485 / RS-422 serial communication interface.
• Reliable communication with industrial sensors and instruments.
• Supports long communication distances up to approximately 1000 m.
• High immunity to electrical interference.
• Extended temperature range for industrial environments.
• Compact module for WAGO I/O System 750 installations.

Key Features

• RS-485 / RS-422 serial interface.
• Adjustable communication parameters.
• Baud rate range from 1.2 kBd to 19.2 kBd.
• Default communication speed of 9.6 kBd.
• Configurable parity and data format.
• Full-duplex communication channel (TxD / RxD).
• Status LEDs for transmit, receive and module diagnostics.
• DIN rail mounting for modular automation systems.

Technical Specifications

• Manufacturer: WAGO
• Series: I/O System 750
• Model: 750-653/025-018
• Module type: RS-485 serial interface
• Supported signals: RS-485 / RS-422
• Baud rate range: 1.2 to 19.2 kBd
• Default baud rate: 9.6 kBd
• Data format: configurable (7/8 data bits, 1/2 stop bits)
• Parity: selectable
• Maximum line length: approx. 1000 m using twisted pair cable
• Input buffer: approx. 120 bytes
• Output buffer: approx. 16 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® terminals
• Mounting: DIN-35 rail
• Protection rating: IP20
• Operating temperature: −20 to +60 °C
• Module width: approx. 12 mm

RS-485 Communication in Industrial Automation

RS-485 communication is widely used in industrial control systems because it allows multiple devices to share a single communication bus while supporting long cable distances. It is commonly used for protocols such as Modbus RTU and other distributed automation networks.

The WAGO 750-653/025-018 provides a reliable connection between RS-485 field devices and PLC automation systems. By transferring serial communication through the fieldbus controller, engineers can integrate instrumentation, controllers and monitoring devices into modern distributed automation architectures.

Typical Applications

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

Trusted by Automation Engineers

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