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48 TTL-level bi-directional digital I/O channels with 200 ns response, interrupt capability on every input, and a digital filter for noise rejection. USB 2.0 interface with USB hub function (up to 4 units on one port). Compatible with DIO-48D-PE for easy migration. Windows/Linux drivers.
The DIO-48DX-USB provides 48 unisolated TTL-level input/output channels equivalent to i8255 mode 0. Direction can be set by software in 8-signal units. All 48 input channels can be used as interrupt sources, with per-bit enable/disable and edge selection.
Interrupt signal INTA — All 48 input signals are combined into a single interrupt output. Interrupts are generated on the rising edge (LOW-to-HIGH transition).
Features a built-in USB hub function, allowing up to 4 DIO-48DX-USB units to be connected to a single USB port. The 96-pin connector pin assignments are compatible with DIO-48D-PE and DIO-48D2-PCI for easy migration from PCI/PCI Express systems.
| Specification | Detail |
|---|---|
| I/O format | Unisolated TTL-level I/O (positive logic) |
| Number of I/O channels | 48 channels (all interrupt-capable) |
| Pull-up resistance | 10 kΩ |
| Interrupt | 48 inputs combined to INTA, rising edge |
| Response time | Within 200 ns |
| Rated output current | IOL = 24 mA (Max.) / IOH = 15 mA (Max.) |
| USB spec | USB 2.0/1.1, Full-speed (12Mbps) / High-speed (480Mbps) |
| Power supply | Self-power (5VDC, AC adapter included) |
| Current consumption | 5VDC 550mA (Max.) |
| Isolation voltage | 250 Vrms |
| Connector | 96-pin half-pitch female (Honda PCR-696LMD+ or equivalent) |
| Dimensions (mm) | 180(W) × 140(D) × 34(H) |
| Weight | 400 g (excluding cable and attachments) |
| Operating temperature | 0 – 50°C |
| Humidity | 10 – 90%RH (no condensation) |
| Certifications | VCCI Class A, FCC Class A, CE (EMC Class A, RoHS), UKCA |
Uses a 96-pin half-pitch female connector (CN1) with pin assignments compatible with DIO-48D-PE. Signals are TTL levels with positive logic.
| Part Number | Description | Notes |
|---|---|---|
| PCB69PS-0.5P | Shielded cable, 96-pin both ends, 0.5m | Shielded cables for CN1 |
| PCB69PS-1.5P | Shielded cable, 96-pin both ends, 1.5m | |
| PCB69P-1.5 | Flat cable, 96-pin both ends, 1.5m | Flat cable option |
| PCA69PS-0.5P | Shielded cable, one 96-pin, 0.5m | One-ended shielded cables |
| PCA69PS-1.5P | Shielded cable, one 96-pin, 1.5m | |
| EPD-96A | Screw terminal (M3 × 96, spring-up) | Terminal accessories (cable required separately) |
| EPD-96 | Screw terminal (M3.5 × 96) | |
| DTP-64A | Screw terminal (M3 × 96 pins) | Terminal accessory |
| POA200-20-2 | AC adapter (90-264VAC → 5VDC 2.0A) | Replacement power supply |
| BRK-USB-X | USB I/O Unit Bracket for X Series | Mounting bracket |
The DIO-48DX-USB is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, accessories, and integration with your application.
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