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You are here: Home / Documentation / U451 USB Relay Interface / U451 Specifications

U451 Specifications

Board Size: 1.5 inches (38.1 mm) long and 0.75 inches (19.1 mm) wide.

Computer Interface: USB

USB Cable Length: 36 inches (914 mm).

USB Connection type: Removable cable.

USB Power Type: Bus powered, uses the 5V provided by the USB interface.

Specified USB allowed current draw: 100 mA standard, total.

Bandwidth: 800 bytes per second as a HID device.

USB Bus Speed: 1.5 Mbits⁄s. (Low speed)

USB Driver: HID, part of the operating system.

Device Interface: 2 form-C relays (125V – 10A), 6 Darlington outputs (500 mA), 8 CMOS lines selectable as inputs⁄outputs. Because of trace width, currents should be limited to 2 amps.

Controller Device: Cypress CY7C63743.

 

Board Layout:

Documentation

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