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DIO-1616LX-USB Digital I/O USB I/O unit 16ch/16ch (isolated 12 - 24VDC) - the X series
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USB 2.0 digital I/O unit featuring 16 opto-coupler isolated inputs and 16 opto-coupler isolated open-collector outputs (12-24VDC). Includes USB hub function for cascading up to 4 units, interrupt support on all inputs, digital filter, and Windows/Linux driver support.
The DIO-1616LX-USB is a USB 2.0-compliant digital I/O unit providing 16 opto-coupler isolated inputs and 16 opto-coupler isolated open-collector outputs. With support for 12-24VDC I/O, interrupt capability on all inputs, and a built-in USB hub function, this unit is ideal for industrial control and monitoring applications.
Built-in USB hub function — connect up to 4 DIO-1616LX-USB units to a single PC USB port, or cascade with other Contec USB devices for expanded I/O capability.
The DIO-1616LX-USB is designed for reliable industrial I/O applications. Opto-coupler isolation (1000Vrms) provides excellent noise immunity. The digital filter prevents false recognition from noise or chattering. Output circuits include zener diode surge protection and overcurrent protection.
| Specification | Detail |
|---|---|
| Model | DIO-1616LX-USB |
| Input Type | Opto-coupler isolated input (current sink compatible, negative logic) |
| Input Channels | 16 (1 common) |
| Input Voltage | 12 – 24 VDC (±10%) |
| Input Response | Within 200µs |
| Interrupt | 16 inputs → single interrupt; rising/falling edge selectable via software |
| Output Type | Opto-coupler isolated open-collector (current sink, negative logic) |
| Output Channels | 16 |
| Output Rating | 35VDC (Max), 100mA per channel |
| Output Response | Within 200µs |
| Surge Protector | Zener diode RD47FM (Renesas) or equivalent |
| USB Specification | USB 2.0/1.1 |
| USB Transfer Rate | 12Mbps (Full-speed) / 480Mbps (High-speed) |
| Isolation Voltage | 1000Vrms |
| Current Consumption | 5VDC 300mA (Max) |
| Dimensions (W×D×H) | 180 × 140 × 34 mm (excluding protrusions) |
| Weight | 300g |
| Included Cable | USB cable 1.8m |
| Operating Temperature | 0 – +50°C |
| Certifications | VCCI Class A, CE Marking (EMC, RoHS), UKCA |
The DIO-1616LX-USB features a 37-pin D-SUB connector compatible with PCI/PCI Express bus-compatible boards for easy system migration. The unit includes a USB hub function for cascading multiple units.
| Part Number | Description | Use |
|---|---|---|
| PCB37PS-0.5P | Shield Cable with 37-pin D-SUB (0.5m) | I/O cable |
| PCB37PS-1.5P | Shield Cable with 37-pin D-SUB (1.5m) | I/O cable |
| PCB37PS-3P | Shield Cable with 37-pin D-SUB (3m) | I/O cable |
| PCB37PS-5P | Shield Cable with 37-pin D-SUB (5m) | I/O cable |
| EPD-37A | Screw Terminal (M3 × 37P) | I/O connection terminal |
| POA200-20-2 | AC-DC Power Adapter (5VDC 2A) | Self-power supply for hub function |
| BRK-USB-X | USB I/O Unit Bracket for X Series | Mounting bracket |
The DIO-1616LX-USB is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity and integration with your industrial control application.
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