Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Unitronics EX-D16A3-TO16 XL I/O expansion module with built-in adapter featuring 16 digital inputs, 3 analogue inputs and 16 transistor outputs for Vision PLC automation systems.
£278.17
The Unitronics EX-D16A3-TO16 is a powerful XL I/O expansion module with a built-in adapter designed for compatible Unitronics Vision PLC systems. Combining 16 digital inputs, 3 analogue inputs and 16 transistor outputs in a single compact unit, it provides a highly efficient solution for expanding machine control and automation systems.
As part of the Unitronics XL Expansion Series, the EX-D16A3-TO16 features integrated PLC communication, detachable wiring connectors and support for additional expansion modules. This allows engineers to increase system capacity whilst maintaining a streamlined control panel design.
With high-speed counting and high-speed output functionality, the EX-D16A3-TO16 is ideal for industrial automation, packaging machinery, manufacturing equipment, material handling systems and OEM applications requiring advanced digital control and analogue monitoring.
The EX-D16A3-TO16 enables engineers to expand PLC functionality without replacing the existing controller. Its integrated communication adapter and power distribution capability reduce wiring complexity while allowing additional expansion modules to be connected efficiently.
The inclusion of high-speed counter and high-speed transistor output functionality makes this module particularly suitable for positioning systems, encoder feedback applications, pulse control and machine automation tasks that require fast response times and accurate signal processing.
Tick the specs you need, then view products that match.
| Number of I/O | 3 | |
|---|---|---|
| Product Series | Unitronics Vision I/O Expansion | |
| Device Type | Analogue I/O Module | |
| Coil / Supply Voltage | 24 V DC | |
| Digital Inputs | 16 | |
| Digital Outputs | 16 | |
| Analogue I/O | 3 AI / 0 AO | |
| Signal Type / Function | Analogue | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Product type | XL I/O Expansion Module with Built-In Adapter | |
| Series | Vision XL Expansion Modules | |
| Digital inputs | 16 | |
| High-speed counter | 1 input up to 30 kHz | |
| Analogue inputs | 3 | |
| Analogue input type | 0-20 mA / 4-20 mA | |
| Transistor outputs | 16 | |
| High-speed output | 1 output up to 32 kHz PWM | |
| Supply voltage | 24 V DC | |
| Voltage range | 20.4 to 28.8 V DC | |
| Expansion capacity | Up to 7 additional I/O modules | |
| Protection rating | IP20 / NEMA 1 | |
| Mounting type | 35 mm DIN Rail | |
| Dimensions (H × W × D) | Approx. 135 × 80 × 60 mm | |
| Operating temperature | 0°C to +50°C |
The EX-D16A3-TO16 is an XL I/O expansion module that adds digital inputs, analogue inputs and transistor outputs to compatible Unitronics Vision PLC systems.
The module provides 16 digital inputs, 3 analogue inputs and 16 transistor outputs.
Yes. The module includes 1 high-speed counter input and 1 high-speed transistor output suitable for pulse and frequency-based control applications.
Yes. The built-in adapter supports connection of up to 7 additional expansion modules, depending on the system configuration.
The module is designed for mounting on a standard 35 mm DIN rail inside industrial control panels.
Unitronics XL expansion modules are widely used in industrial automation systems where scalable I/O capacity, reliable communication and high-performance machine control are critical to operational success.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.