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URD-0400C – Unitronics DI4,240Vac,10R
Unitronics URD-0400C remote digital input expansion module featuring 4 digital inputs rated for 240 VAC operation, designed for UniStream Remote I/O automation systems.
£80.33
Why Choose the Unitronics URD-0400C Remote I/O Module?
The Unitronics URD-0400C is a compact and reliable remote digital input expansion module designed for use within the Unitronics UniStream Remote I/O platform. Engineered for industrial automation applications, this module provides four high-voltage digital inputs, allowing machine builders and control engineers to expand system capabilities while maintaining dependable signal acquisition in demanding environments.
As part of the UniStream Remote I/O family, the URD-0400C offers seamless integration with UniStream controllers and remote I/O adapters. Its slim DIN rail design minimises panel space requirements while delivering robust performance, making it ideal for distributed automation architectures and machine control systems.
Featuring 4 digital inputs rated for 240 VAC operation, the URD-0400C is suitable for monitoring switches, sensors, auxiliary contacts and other industrial field devices. The module supports straightforward installation and dependable operation across a wide operating temperature range, ensuring long-term reliability in industrial environments.
Key Advantages
- Compact 4-channel digital input module for industrial automation.
- 240 VAC digital input capability for high-voltage signal monitoring.
- Designed for the Unitronics UniStream Remote I/O platform.
- Space-saving 12 mm slimline DIN rail design.
- Wide operating temperature range for demanding environments.
- Simple integration into distributed control systems and machine automation applications.
Key Features
- Unitronics UniStream Remote I/O series.
- 4 digital inputs.
- 170–264 VAC input range (240 VAC nominal).
- 24 VDC module supply voltage.
- LED status indication for diagnostics.
- DIN rail mounting.
- Compact 12 mm module width.
- Suitable for distributed and decentralised I/O architectures.
Reliable Digital Input Expansion for Industrial Control Systems
Remote I/O modules such as the Unitronics URD-0400C enable control systems to collect field signals efficiently without requiring all wiring to return directly to the main controller. This reduces installation complexity, lowers wiring costs and improves system flexibility.
The URD-0400C is particularly suitable for machine builders, OEMs and industrial automation engineers who require reliable monitoring of high-voltage digital signals while maintaining scalable and decentralised control architectures.
Typical Applications
- Industrial machine automation.
- Packaging and processing equipment.
- Material handling and conveyor systems.
- Manufacturing production lines.
- Remote monitoring of auxiliary contacts and switches.
- Distributed I/O installations using UniStream controllers.
Technical Specifications
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| Digital Inputs | 4 | |
|---|---|---|
| Product Series | UniStream Remote I/O (Uni-I/O) | |
| Device Type | Digital I/O Module | |
| Voltage | 32 V | |
| IP Rating | IP20 | |
| Series | UniStream Remote I/O | |
| Product type | Digital input expansion module | |
| Digital inputs | 4 | |
| Input voltage | 170–264 VAC (240 VAC nominal) | |
| Supply voltage | 15–32 VDC (24 VDC nominal) | |
| Input type | Sink | |
| Response time | 30 ms OFF→ON / 140 ms ON→OFF | |
| Connection | 10-pin removable terminal block | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Operating temperature | -40°C to +70°C | |
| Dimensions (H × W × D) | approx. 70 × 12 × 99 mm | |
| Weight | approx. 0.2 kg |
Frequently Asked Questions
What is the Unitronics URD-0400C used for?
The URD-0400C is a remote digital input module used to expand UniStream automation systems with four additional high-voltage digital inputs.
How many inputs does the module provide?
The module provides 4 digital inputs for monitoring industrial field signals.
What input voltage does the URD-0400C support?
The module accepts digital input signals in the range of 170–264 VAC, with a nominal rating of 240 VAC.
How is the module mounted?
The URD-0400C is designed for standard DIN rail mounting within industrial control panels.
Which control platform is this module compatible with?
The URD-0400C is designed for use with the Unitronics UniStream Remote I/O platform and compatible UniStream controllers.
Trusted by Automation Engineers Worldwide
Unitronics UniStream Remote I/O modules are widely used in industrial automation systems where reliable signal acquisition, scalable architecture and straightforward integration are essential for machine performance and operational efficiency.
