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UAC-CB-01RS4 Unitronics UniStream CB Com 1xRS485
Unitronics UAC-CB-01RS4 Uni-COM CB RS485 communication module providing isolated serial networking for compatible UniStream PLC systems and industrial automation applications.
£37.19
Why Choose the Unitronics UAC-CB-01RS4 RS485 Communication Module?
The Unitronics UAC-CB-01RS4 is a dedicated RS485 communication expansion module designed for compatible UniStream PLC controllers. As part of the advanced Uni-COM CB communication module range, it adds a galvanically isolated RS485 serial communication interface, enabling reliable long-distance communication with industrial devices, remote I/O systems, variable speed drives, instrumentation and Modbus RTU networks.
Designed for machine builders and automation engineers, the UAC-CB-01RS4 integrates directly with compatible UniStream PLCs through the Uni-COM CB interface. This allows users to expand communication capabilities without requiring external gateways or protocol converters while maintaining dependable industrial communications.
Featuring one isolated RS485 port, support for communication distances up to 1,200 metres and multi-drop networking with up to 32 nodes, the UAC-CB-01RS4 provides a flexible and scalable solution for industrial automation applications.
Key Advantages
- Adds one isolated RS485 communication port to UniStream PLC systems.
- Supports long-distance communications up to 1,200 m.
- Allows multi-drop networks with up to 32 devices.
- Ideal for Modbus RTU and industrial serial communications.
- Galvanic isolation improves reliability in industrial environments.
- DIP-switch selectable network termination.
- Compact DIN rail mounting design.
Key Features
- Unitronics Uni-COM CB UAC-CB-01RS4 module.
- 1 × RS485 communication port.
- 4-pin terminal block connection.
- Communication speeds from 1,200 to 115,200 bps.
- Supports up to 32 network nodes.
- Maximum communication distance of 1,200 m.
- 500 VAC port-to-bus isolation.
- DIP-switch configurable termination.
- Communication activity LED indicators.
- Compatible with UniStream PLC systems.
- DIN rail mounting.
- IP20 / NEMA 1 protection rating.
Reliable RS485 Networking for Industrial Automation
RS485 remains one of the most widely used industrial communication standards due to its excellent noise immunity, long cable distances and support for multi-drop networks. The UAC-CB-01RS4 allows UniStream PLC systems to communicate with a wide range of industrial devices while maintaining stable and reliable data exchange.
Its support for long-distance communications and multiple network nodes makes it ideal for distributed automation systems, machine control applications and industrial process monitoring where dependable serial networking is essential.
Typical Applications
- Modbus RTU communication networks.
- Industrial automation systems.
- Variable speed drive integration.
- Remote I/O communications.
- Machine control and OEM equipment.
- Building and process automation.
- Long-distance industrial communication networks.
Technical Specifications
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| Communication | RS485 | |
|---|---|---|
| Product Series | Unitronics UniStream | |
| Device Type | Communication / Function Module | |
| IP Rating | IP20 | |
| Series | Uni-COM CB | |
| Product type | RS485 communication module | |
| Communication interface | RS485 | |
| Number of ports | 1 | |
| Connection type | 4-pin terminal block | |
| Baud rate | 1,200 to 115,200 bps | |
| Maximum nodes | 32 | |
| Maximum cable length | 1,200 m (4,000 ft) | |
| Cable type | Shielded twisted pair compliant with EIA RS485 | |
| Isolation voltage | 500 VAC for 1 minute | |
| Termination | DIP-switch selectable | |
| Mounting type | DIN rail | |
| Protection rating | IP20 / NEMA 1 | |
| Operating temperature | -20°C to +55°C | |
| Dimensions (H × W × D) | Approx. 63.9 × 120 × 36 mm | |
| Compatibility | UniStream PLC controllers with Uni-COM CB interface |
Frequently Asked Questions
What is the Unitronics UAC-CB-01RS4 used for?
The UAC-CB-01RS4 adds an RS485 communication interface to compatible UniStream PLC controllers for industrial networking and serial communications.
How many devices can be connected to the RS485 network?
The module supports multi-drop networks with up to 32 connected devices.
What communication speeds are supported?
The module supports baud rates from 1,200 bps to 115,200 bps.
How far can RS485 communication run?
RS485 communication can operate over distances of up to 1,200 metres when using suitable shielded twisted-pair cable.
Which Unitronics controllers support this module?
The UAC-CB-01RS4 is designed for compatible UniStream PLC controllers equipped with the Uni-COM CB communication interface.
Trusted by Automation Engineers Worldwide
Unitronics Uni-COM CB communication modules provide dependable industrial networking solutions that enable UniStream PLC systems to integrate seamlessly with field devices, drives and distributed automation networks.
