IO-TO16 – Unitronics 16 digital outputs module

IO-TO16 – Unitronics 16 digital outputs module

Unitronics IO-TO16 I/O expansion module featuring 16 PNP transistor outputs for Vision and OPLC automation systems, providing fast and reliable digital output expansion.

SKU: IO-TO16Alt SKU: IOTO16MPN: IO-TO16
Price
List Price £143.50 ex VAT
Your Price (ex VAT)
£143.50
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £143.50
Trade pricing is personalised to your account

Manufacturer Lead Time

£143.50

Why Choose the Unitronics IO-TO16 I/O Expansion Module?

The Unitronics IO-TO16 is a compact and reliable I/O expansion module designed to extend the output capabilities of compatible Unitronics Vision and OPLC controllers. Featuring 16 PNP (source) transistor outputs, the module provides fast and dependable switching for industrial automation systems requiring high-speed digital output control.

Designed for machine builders, system integrators and automation engineers, the IO-TO16 delivers efficient expansion without increasing PLC complexity. The module integrates through a dedicated expansion adapter and offers status indicators for straightforward monitoring and diagnostics.

Supporting 12/24 V DC industrial control systems, the IO-TO16 is ideal for applications requiring rapid switching of solenoids, relays, indicators and other digital loads. Its DIN rail or panel mounting options simplify installation in control cabinets and industrial machinery.

Key Advantages

  • Provides 16 transistor outputs for expanded PLC control.
  • PNP (source) output technology for industrial automation applications.
  • Fast switching performance compared with relay outputs.
  • Compact design for control panel integration.
  • DIN rail or screw mounting flexibility.
  • LED indicators for output and communication status.
  • Suitable for machine control and OEM equipment.

Key Features

  • 16 PNP transistor outputs.
  • Two independent output groups.
  • Compatible with Unitronics Vision and OPLC systems.
  • Short-circuit protected outputs.
  • Galvanic isolation.
  • Status and output indication LEDs.
  • DIN rail and panel mounting support.
  • Compact IP20 enclosure.

Reliable High-Speed Digital Output Expansion

The IO-TO16 provides transistor-based switching that is significantly faster than traditional relay outputs, making it ideal for applications requiring rapid response times and frequent switching operations.

Its compact construction and seamless integration with Unitronics automation platforms allow engineers to expand control systems efficiently while maintaining dependable machine performance and system scalability.

Typical Applications

  • Industrial machinery and OEM equipment.
  • Packaging and processing systems.
  • Material handling and conveyor control.
  • Factory automation systems.
  • Solenoid and valve control.
  • Indicator and signalling systems.
  • Assembly and production machinery.
  • Control panel installations.

Technical Specifications

Tick the specs you need, then view products that match.

Number of I/O 16
Product Series Unitronics Vision I/O Expansion
Device Type Digital I/O Module
Coil / Supply Voltage 12–24 V DC
Digital Outputs 16
Output Type Transistor
Signal Type / Function Digital
Voltage 24 V
IP Rating IP20
Product type I/O expansion module
Number of outputs 16 transistor outputs
Output type PNP (source) transistor
Supply voltage 12/24 V DC
Maximum current consumption 50 mA from adapter 5 V DC supply
Typical power consumption 0.12 W
Output groups 2 groups of 8 outputs
Isolation Galvanic isolation
Protection rating IP20
Mounting type DIN rail or screw mounting
Dimensions (H × W × D) approximately 93 × 80 × 60 mm
Operating temperature 0°C to 50°C
Relative humidity 5% to 95% non-condensing

Frequently Asked Questions

What is the Unitronics IO-TO16 used for?

The IO-TO16 is an I/O expansion module that adds 16 transistor outputs to compatible Unitronics PLC and OPLC control systems.

What type of outputs does the IO-TO16 provide?

The module provides 16 PNP (source) transistor outputs designed for high-speed switching applications.

Is the IO-TO16 suitable for fast switching applications?

Yes. Transistor outputs switch considerably faster than relay outputs, making them ideal for high-speed automation tasks.

How is the module mounted?

The IO-TO16 can be mounted directly onto a DIN rail or secured using screw mounting inside an electrical enclosure.

Which Unitronics controllers are compatible?

The module is designed for use with compatible Unitronics Vision and OPLC controller platforms via an expansion adapter.

Trusted by Automation Professionals Worldwide

Unitronics expansion modules are widely used in industrial automation systems where scalable control, reliable digital outputs and efficient machine integration are essential.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...