Wago 750-652/040-000 Serial interface configurable RS-232 / RS422 / RS485 Buffers 2,560 bytes Rx / 512 bytes Tx, XTR - Extreme version Dark Gray

Why Choose the WAGO 750-652/040-000 RS-232/RS-485 Serial Interface Module?

The WAGO 750-652/040-000 is a versatile RS-232 / RS-422 / RS-485 serial interface module designed for integration within the WAGO I/O System 750 XTR. It enables PLC controllers and industrial automation systems to communicate with serial devices such as drives, energy meters, industrial sensors, barcode scanners and instrumentation.

This module provides transparent serial communication between field devices and the fieldbus controller, allowing data exchange without requiring additional protocol processing in the interface itself. Communication parameters such as baud rate, parity and data width can be configured through the control system for maximum flexibility. :contentReference

As part of the WAGO 750 XTR extreme environment series, the module is designed for demanding industrial installations. It offers extended temperature ranges, improved vibration resistance and enhanced EMC immunity, making it suitable for harsh industrial conditions and outdoor control cabinets. :contentReference

Key Advantages

• Supports RS-232, RS-422 and RS-485 serial communication.
• Enables integration of serial devices with PLC automation systems.
• Reliable communication over long distances with RS-485 networks.
• Large data buffers for stable high-speed data exchange.
• Designed for harsh industrial environments using XTR technology.
• Compact module for WAGO I/O System 750 nodes.

Key Features

• Freely configurable serial interface.
• Supports RS-232, RS-422 and RS-485 interfaces.
• Baud rate range from 300 baud to 115.2 kBd.
• Configurable data bits, parity and stop bits.
• Large communication buffers for reliable data transfer.
• Compatible with industrial serial protocols such as Modbus RTU.
• DIN rail mounting for modular automation systems.
• Integration with WAGO I/O System 750 XTR controllers.

Technical Specifications

• Manufacturer: WAGO
• Series: I/O System 750 XTR
• Model: 750-652/040-000
• Module type: Serial interface module
• Supported interfaces: RS-232, RS-422, RS-485
• Baud rate: 300 baud to 115.2 kBd
• Transmission channels: 1 TxD / 1 RxD
• Transmission modes: Full-duplex or half-duplex
• Input buffer: approx. 2560 bytes
• Output buffer: approx. 512 bytes
• Maximum RS-485 line length: approx. 1000 m
• System supply voltage: 5 V DC via system bus
• Field supply voltage: 24 V DC
• Isolation voltage: approx. 500 V system/field
• Connection technology: WAGO CAGE CLAMP® spring terminals
• Mounting: DIN-35 rail
• Protection rating: IP20
• Operating temperature: −40 to +70 °C
• Module width: 12 mm

Serial Communication in Industrial Automation

Serial communication remains widely used in industrial automation systems for connecting instrumentation, controllers and monitoring equipment. Interfaces such as RS-485 allow long-distance communication and support multiple devices on a single network, making them ideal for distributed automation environments.

The WAGO 750-652/040-000 provides a flexible gateway between serial devices and fieldbus systems within the WAGO I/O System 750 platform. Because communication is transparent to the fieldbus master, the module can be used with a wide range of industrial protocols and applications. :contentReference

Typical Applications

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

Trusted by Automation Engineers

WAGO I/O System 750 XTR modules are widely used by automation engineers to integrate serial devices, sensors and industrial networks into robust PLC-based control systems.