IO-TO16 – Unitronics 16 digital outputs module

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.

Technical Specifications

• Manufacturer: Unitronics
• Model: IO-TO16
• 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

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.

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.