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USB I/O unit with 4 expansion slots for CONPROSYS nano modules. The CC‑USB271‑CPSN4 connects via USB Type‑C and supports bus power operation, making it easy to add analog, digital, relay, counter, and serial I/O modules to any PC. Compact DIN‑rail mountable design with Windows driver support. From Contec Americas.
The CC‑USB271‑CPSN4 is a USB I/O unit that provides 4 expansion slots for CONPROSYS nano series I/O modules. Connect via USB Type‑C and power the unit from the host USB port — no external power supply required for many configurations. The unit supports a wide range of I/O modules including analog input/output, digital I/O, relay output, counter, and serial communication, making it ideal for portable and benchtop measurement and control applications.
USB power detection – the unit detects available bus power and warns with ERR LED flashing if consumption exceeds the host port's capacity. Set the USB selection switch (USB2.0 or USB3.0) for correct power detection. USB Type‑C detection is automatic.
Designed for demanding industrial and laboratory environments. The CC‑USB271‑CPSN4 features a compact footprint (110×74.8×95 mm), DIN‑rail or screw mounting, and tool‑less I/O module installation. The unit operates across a wide temperature range (-20 to +60°C) and includes LED status indicators for quick system diagnosis.
| Specification | Detail |
|---|---|
| Model | CC-USB271-CPSN4 |
| USB connector | USB Type‑C |
| USB transfer rate | High‑speed / Full‑speed |
| Expansion slots | 4 slots |
| Max power per slot | 12‑24V/200mA, 5V/250mA, 3.3V/200mA |
| Insertions/removals | 50 times (min) |
| LED | PWR(Green), RUN(Green), STS(Green), ERR(Red) |
| Switch | Setting switches, USB selection switch |
| Rated input voltage | 12 – 24VDC (external power option) |
| Input voltage range | 10.8 – 30VDC |
| Power consumption (unit only) | 1.2W max (bus power) |
| Dimensions (mm) | 110(W) × 74.8(D) × 95(H) |
| Weight | 250g |
| Attached cable | USB cable 1.8m (Type‑A → Type‑C) |
| Installation | 35mm DIN rail or screw mounting |
| Operating temperature | -20 to +60°C (depending on installation) |
| Operating humidity | 10 – 90%RH (no condensation) |
| Standards | VCCI Class A, FCC Class A, CE (EMC Class A, RoHS), UKCA |
| Included items | Unit, Setup Guide, Warranty Certificate, Serial Number Label, USB cable (Type‑A→Type‑C, 1.8m), blank panels (3), power connector, cable attachment fitting, screw, cable tie |
| Datasheet version | As of February 2026 |
| Product Name | Model | Description |
|---|---|---|
| DIN rail fitting power supply 30W | CPS-PWD-30/4W24-01 | Input: 100‑240VAC, Output: 24VDC 1.3A |
| DIN rail fitting power supply 90W | CPS-PWD-90/4W24-01 | Input: 100‑240VAC, Output: 24VDC 3.8A |
| Various I/O modules | CPSN series | Digital/Analog I/O, relay, counter, serial |
Visit the CONTEC website for the latest optional products and compatible I/O modules.
The CC‑USB271‑CPSN4 is available through Contec Americas on a quote basis. Contact our sales team to discuss quantity, I/O modules, and integration with your measurement and control systems.
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