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Contact Sales Department for Pricing New USB Digital I/O 24 LVTTL Channels 200 ns Response Bus Powered Screw Terminals VCCI-A · FCC-A · CE · UKCA USB 2.0 digital I/O unit with 24 non-isolated LVTTL-level bidirectional I/O channels (positive logic). 200 ns response, software-selectable direction in 8-bit blocks. Bus-powered, compact...
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NewUSB Digital I/O24 LVTTL Channels200 ns ResponseBus PoweredScrew TerminalsVCCI-A · FCC-A · CE · UKCA
USB 2.0 digital I/O unit with 24 non-isolated LVTTL-level bidirectional I/O channels (positive logic). 200 ns response, software-selectable direction in 8-bit blocks. Bus-powered, compact 64×62×24mm, and screw terminal connectors for easy wiring. Windows/Linux drivers.
The DIO-24DY-USB provides 24 non-insulated LVTTL-level bidirectional I/O channels with 200 ns response time. Direction can be selected by software in 8-bit blocks (3 groups of 8). Positive logic: Low = 0, High = 1. Bus-powered operation eliminates external power supplies. Screw terminal connectors simplify wiring.
I/O Features
24 bidirectional LVTTL channels
200 ns response time
Software-selectable direction
8-bit block control (3 groups)
Positive logic (High = 1)
Interface & Power
USB 2.0/1.1 (Full/High speed)
Bus-powered (no external power)
Screw terminal connectors
33Ω input protection
Compact 64×62×24mm
Bus-powered: Operates on USB bus power — no external power supply needed, ideal for portable and space-constrained applications.
02
Software & driver support
Windows and Linux drivers are included. The API-DIO(WDM) and API-DIO(LNX) provide functions for digital I/O control, with sample programs (C#, Visual Basic .NET, Visual C++, Python, gcc). A diagnostic program is also provided.
API-DIO(WDM) – Windows driver with C#, VB.NET, Visual C++, Python samples.
API-DIO(LNX) – Linux driver with gcc (C, C++) and Python samples.
Diagnostic program – Hardware verification tool included.
03
Full specifications
Specification
Detail
I/O type
Non-isolated LVTTL (positive logic)
Number of I/O channels
24 (3 groups of 8, software direction select)
Input resistance
33Ω
Output rating
3.3VDC, 8mA
Response time
200 ns (max)
USB spec
USB 2.0/1.1, Full-speed (12Mbps) / High-speed (480Mbps)
Power supply
Bus power
Current consumption
5VDC 150mA (Max.)
Connector type
Screw terminal (14 pins, 2 connectors)
Dimensions (mm)
64(W) × 62(D) × 24(H)
Weight
70 g (excluding cable)
Operating temperature
0 – 50°C
Humidity
10 – 90%RH (no condensation)
Certifications
VCCI Class A, FCC Class A, CE (EMC Class A, RoHS), UKCA
04
Connector & wiring
Uses two 14-pin screw terminal connectors (CN1 and CN2) for I/O signals. Signals are LVTTL (3.3V) level with positive logic. Total cable length should be within 1.5m.
Direction – Each 8-bit port can be independently set as input or output via software.
05
Certifications & compliance
VCCI Class A – Japanese EMI compliance for industrial environments.
FCC Class A – U.S. emissions compliance for industrial use.
CE (EMC Directive Class A + RoHS) – European conformity.
UKCA – UK Conformity Assessed marking.
06
Optional accessories
Part Number
Description
Notes
CN6-Y14
14-pin screw terminal connector set (6 pieces)
Replacement connectors
BRK-USB-Y
Bracket for USB I/O Terminal products
Mounting bracket
Ready to add USB digital I/O to your system?
The DIO-24DY-USB is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, accessories, and integration with your application.
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),...
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),...
Experience the ultimate fusion of power and precision with the Lenovo ThinkPad P16v Gen 3, 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...
