Why Choose the Unitronics UAC-02RSC RS232 & RS485 Communication Module?
The Unitronics UAC-02RSC is a versatile serial communication expansion module designed for the UniStream PLC platform. As part of the advanced Uni-COM communication module series, it provides both RS232 and RS485 communication interfaces, allowing seamless integration with a wide range of industrial devices, instrumentation, HMIs, barcode scanners, drives, sensors and Modbus networks.
Designed for industrial automation and machine control applications, the UAC-02RSC enables engineers to connect multiple serial devices while maintaining reliable communications and simplified system architecture. The module snaps directly onto compatible UniStream PLC systems, providing a straightforward expansion solution without requiring additional communication gateways.
Featuring one RS232 port and one RS485 port, support for baud rates up to 115,200 bps and industrial-grade isolation, the UAC-02RSC is ideal for applications requiring communication with both modern and legacy serial equipment. The RS485 interface supports networks of up to 32 nodes and communication distances of up to 1,200 metres.
Key Advantages
- Provides both RS232 and RS485 communication interfaces.
- Supports integration with serial devices and industrial networks.
- RS485 supports up to 32 connected nodes.
- Communication distances up to 1,200 m via RS485.
- Supports baud rates up to 115,200 bps.
- Easy installation with UniStream PLC platforms.
- Ideal for Modbus RTU and industrial serial communications.
Key Features
- Unitronics Uni-COM UAC-02RSC module.
- 1 × RS232 serial communication port.
- 1 × RS485 serial communication port.
- 9-pin D-Sub male connector for RS232.
- Terminal block connection for RS485.
- Baud rate range from 1,200 to 115,200 bps.
- 500 VAC port-to-bus isolation.
- 500 VAC port-to-port isolation.
- RS485 termination selection DIP switch.
- Communication activity LED indicators.
- Compatible with UniStream PLC systems.
- IP20 protection rating.
Flexible Serial Communications for Industrial Automation
The UAC-02RSC provides the flexibility to connect both point-to-point RS232 devices and multi-drop RS485 networks from a single communication module. This makes it particularly useful for industrial applications where a PLC must communicate with drives, instrumentation, remote I/O, barcode readers, printers and Modbus RTU devices simultaneously.
Its combination of RS232 and RS485 connectivity helps reduce hardware requirements while providing a scalable communication solution for machine builders, OEMs and system integrators. The integrated RS485 termination selection switch further simplifies installation and network configuration.
Typical Applications
- Industrial automation systems.
- Modbus RTU communication networks.
- Machine control and OEM equipment.
- Variable speed drive integration.
- Industrial weighing systems.
- Barcode scanner and printer connectivity.
- Remote I/O and instrumentation networks.
