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This USB 2.0-compatible digital I/O terminal can be connected to a USB interface of a PC to provide input and output digital signals (12 - 24 VDC) easily. It allows input for up to eight channels as well as eight output channels. This unit...
DIO-0808RN-USB Digital I/O USB I/O unit 8ch/8ch (isolated 12 - 24VDC / power relay - 240VAC - 28VDC) - the N series
Contact Sales Department for Pricing New 1N Series USB I/O 8-Ch Relay Output 8-Ch Opto-Isolated Input 6A 240VAC Output USB 2.0/1.1 Independent Commons VCCI-A · CE · UKCA USB 2.0 digital I/O unit featuring 8 channels of opto-coupler isolated inputs (12-24VDC) and 8 channels of SPDT relay outputs (Form C)...
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New1N Series USB I/O8-Ch Relay Output8-Ch Opto-Isolated Input6A 240VAC OutputUSB 2.0/1.1Independent CommonsVCCI-A · CE · UKCA
USB 2.0 digital I/O unit featuring 8 channels of opto-coupler isolated inputs (12-24VDC) and 8 channels of SPDT relay outputs (Form C) with independent commons. Supports high-capacity output up to 6A 240VAC / 5A 28VDC per channel. Compact design with DIN-rail, magnet, or screw mounting options.
8Relay Outputs (Form C)
8Opto-Isolated Inputs
6AOutput Rating (240VAC)
300gUnit Weight
Contec Americas · 1N Series USB I/O
Digital I/O Unit
DIO-0808RN-USB · 8 DI · 8 Relay · USB 2.0 · Independent Commons
The DIO-0808RN-USB is a USB 2.0-compliant digital I/O unit that extends PC capability with 8 opto-coupler isolated inputs and 8 SPDT relay outputs with independent commons. The high-capacity relay outputs (6A 240VAC / 5A 28VDC per channel) can directly control industrial equipment. USB bus isolation provides excellent noise immunity for reliable operation.
Standard USB I/O
Low current outputs
Shared commons
No opto-isolation
Limited mounting options
DIO-0808RN-USB Advantages
6A 240VAC relay outputs
Independent commons per channel
Opto-coupler bus isolation
DIN-rail, magnet, or screw mounting
Independent commons for flexible control — each relay output has its own common terminal, allowing connection to different external power supplies for diverse load control.
02
Built for Industrial I/O Applications
The DIO-0808RN-USB is designed for industrial control applications requiring reliable digital input and high-current relay output. Opto-coupler isolation (500Vrms) on inputs and relay isolation on outputs provide excellent noise immunity. The compact 188 × 78 × 30.5 mm design fits easily in control panels.
High-capacity relay outputs — 8 SPDT relays with 6A 240VAC / 5A 28VDC rating, mechanical life 10,000,000 operations.
Opto-isolated inputs — 8 channels (12-24VDC) with 200µs response, compatible with current sink/source output.
Independent commons — each output channel has independent common for flexible power supply configuration.
Bus isolation — USB (PC) isolated from input interfaces by opto-couplers and output interfaces by relays.
SPDT Relay Output (Form C) with independent commons
Output Channels
8
Max Output Rating
6A 240VAC / 5A 28VDC (resistive load)
Max Permitted Voltage
240V (max)
Max Carry Current
5A (max)
Operate Time
Within 10ms
Release Time
Within 5ms
Mechanical Life
10,000,000 operations min
Electrical Life
50,000 operations min
USB Specification
USB 2.0/1.1
USB Transfer Rate
12Mbps (Full-speed) / 480Mbps (High-speed)
Current Consumption
5VDC 430mA (Max)
Dimensions (W×D×H)
188 × 78 × 30.5 mm (excluding protrusions)
Weight
300g
Included Cable
USB cable 1.8m
Operating Temperature
0 to +50°C
Certifications
VCCI Class A, CE Marking (EMC, RoHS), UKCA
04
Installation & Mounting Options
The DIO-0808RN-USB offers versatile mounting options for various installation environments. The compact design and included mounting accessories enable easy integration into control panels, equipment cabinets, or workspaces.
Mounting Methods
DIN-rail mounting (standard)
Magnet attachment
Screw fastening
Rubber feet (floor placement)
Included Accessories
USB cable (1.8m)
Interface connectors (4)
Magnet (2)
Rubber feet (4)
05
Software Support
API-DIO (WDM) for Windows — device driver with Windows API functions, sample programs (C#, Visual Basic .NET, Visual C++, Python), and diagnostic program.
API-DIO (LNX) for Linux — shared library device driver with sample programs (gcc C/C++, Python) and configuration tool.
Software Development Kits (SDK) — additional software tools for easy development available for download.
06
Related Products
Part Number
Description
Use
API-DIO (WDM)
Windows Digital I/O Driver Software
Software for Windows development
API-DIO (LNX)
Linux Digital I/O Driver Software
Software for Linux development
Ready to add USB I/O to your system?
The DIO-0808RN-USB is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity and integration with your industrial control application.
Tags DIO-0808RN-USBUSB I/ODigital I/O UnitRelay OutputOpto-Isolated InputIndustrial I/OUSB 2.0 I/OSPDT RelayContec USB I/OFactory AutomationControl SystemDIN-Rail Mount
Experience the ultimate fusion of power and precision with the Lenovo ThinkPad P16v Gen 2, a premium mobile workstation meticulously optimized for iTero™ intraoral scanners and engineered for dental professionals who accept nothing less than excellence. Featuring ThinkPad's legendary reliability with military-spec testing (MIL-STD-810H),...
This USB 2.0-compatible digital I/O terminal can be connected to a USB interface of a PC to provide input and output digital signals (12 - 24 VDC) easily. It allows input for up to eight channels as well as eight output channels. This unit...
