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IO-RO16-L – Unitronics 16 relay outputs module 12V
Unitronics IO-RO16-L relay output expansion module featuring 16 relay outputs, 12V DC operation and compatibility with Unitronics Vision and OPLC automation systems.
£157.68
Why Choose the Unitronics IO-RO16-L Relay Output Expansion Module?
The Unitronics IO-RO16-L is a reliable and cost-effective relay output expansion module designed to extend the output capabilities of compatible Unitronics Vision and OPLC controllers. Featuring 16 relay outputs, the module enables automation engineers and machine builders to control contactors, solenoids, alarms, indicators, valves and other industrial field devices from a single PLC platform.
Designed specifically for 12V DC control systems, the IO-RO16-L provides sixteen independent relay outputs arranged in two groups. The relay-based architecture allows switching of both AC and DC loads, offering excellent flexibility for machine control, process automation and OEM equipment applications.
With DIN rail mounting, LED status indication and seamless integration with Unitronics expansion adapters, the IO-RO16-L provides a dependable solution for expanding PLC output capacity while maintaining simple installation and maintenance procedures.
Key Advantages
- Provides 16 relay outputs for PLC expansion.
- Designed specifically for 12V DC automation systems.
- Suitable for switching both AC and DC loads.
- Compact DIN rail-mounted design.
- Compatible with selected Unitronics Vision and OPLC controllers.
- LED indicators simplify diagnostics and troubleshooting.
- Ideal for machine control, process automation and OEM equipment.
Key Features
- Unitronics IO-RO16-L relay output expansion module.
- 16 relay outputs arranged in two groups.
- SPST-NO relay contacts.
- Suitable for AC and DC load switching.
- 12V DC nominal operating voltage.
- Communication status indicator LED.
- Individual output status LEDs.
- DIN rail or panel mounting options.
- Compatible with Unitronics expansion adapters.
Reliable Relay Control for Industrial Automation
The IO-RO16-L is designed to provide additional relay outputs for automation systems requiring control of multiple field devices. Its relay-based architecture allows direct switching of AC and DC loads, making it suitable for controlling motors, contactors, valves, warning beacons and industrial signalling equipment.
The module connects to compatible Unitronics controllers through an expansion adapter and can be combined with other expansion modules to create scalable automation systems. Its compact construction and industrial-grade design make it ideal for OEM machinery, manufacturing systems and process control installations.
Typical Applications
- Industrial machinery automation.
- Packaging and assembly equipment.
- Material handling systems.
- Process control systems.
- Pump and valve control.
- OEM machine building.
- Factory automation systems.
- HVAC and building management applications.
Technical Specifications
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| Number of I/O | 16 | |
|---|---|---|
| Device Type | Digital I/O Module | |
| Coil / Supply Voltage | 10.2–15.6 V DC | |
| Digital Outputs | 16 | |
| Output Type | Relay | |
| Signal Type / Function | Relay | |
| Product Series | Unitronics Vision I/O Expansion | |
| IP Rating | IP20 | |
| Product type | Relay output expansion module | |
| Number of outputs | 16 relay outputs | |
| Output type | SPST-NO relay | |
| Output groups | 2 groups of 8 outputs | |
| Nominal operating voltage | 12V DC | |
| Operating voltage range | 10.2-15.6V DC | |
| Maximum current consumption | 176mA @ 12V DC | |
| Relay rating | 230V AC / 12V DC / 24V DC | |
| Output current | 3A resistive load per output | |
| Total common current | 8A per output group | |
| Isolation | By relay | |
| Status indication | RUN LED and output LEDs | |
| Maximum current consumption from adapter | 60mA @ 5V DC | |
| Typical power consumption | 0.18W @ 5V DC | |
| Protection rating | IP20 / NEMA 1 | |
| Operating temperature | 0°C to +50°C | |
| Storage temperature | -20°C to +60°C | |
| Humidity | 5% to 95% non-condensing | |
| Dimensions (W × H × D) | 80 × 93 × 60 mm | |
| Weight | Approximately 125 g | |
| Mounting type | 35mm DIN rail or panel mounting |
Frequently Asked Questions
What is the Unitronics IO-RO16-L used for?
The IO-RO16-L is a relay output expansion module used to add 16 relay outputs to compatible Unitronics PLC systems for controlling industrial devices and equipment.
How many outputs does the module provide?
The module provides 16 relay outputs arranged in two groups of eight outputs.
What type of outputs are included?
The IO-RO16-L uses SPST-NO electromechanical relay outputs suitable for switching both AC and DC loads.
What power supply does the IO-RO16-L require?
The module operates from a 12V DC supply with an operating range of 10.2V DC to 15.6V DC.
How is the module installed?
The IO-RO16-L can be mounted on a standard 35mm DIN rail or directly onto a control panel using screw mounting.
Trusted by Automation Engineers Worldwide
Unitronics relay output expansion modules are widely used throughout industrial automation systems where dependable switching performance, scalable PLC expansion and long-term operational reliability are essential for machine and process control.
