Product Release
Serial Interface Encoder (SEI) to USB Adapter
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 Posted Feb 20 2008
Filed under: Encoder Electronic Component
 The SEI-USB is an interface module that connects US Digital's SEI compatible devices to a standard USB 1.1 / 2.0 port. The SEI (Serial Encoder Interface) bus is a simple, quick and convenient network that connects up to 15 addressable SEI devices using a single 6-wire telephone-type cable up to 1000 feet long. The SEI bus uses two RS-485-like differential pairs, one for “busy” flow control, and the other for bi-directional serial data (see the SEI data sheet). The SEI-USB will supply power from the USB port to a modest number of SEI devices on the bus (for example, five A2 encoders at a distance of 250 feet). The SEI-USB limits the power to the maximum design spec of the USB port. A red LED will be lit when additional power is required and the PS-12 power supply should then be used. Features: RoHS compliant USB 1.1 device communicates at 12 Mbit/sec Compatible with USB 2.0 hubs, and host adapters Supports USB suspend and resume modes USB drivers are included for Windows 2000 / XP / Vista Supports up to 15 total devices on the SEI bus Supports SEI bus lengths up to 1000 feet, depending on the number of devices attached. USB port on the PC provides power for the SEI-USB and SEI bus devices (120mA max using USB port power). Includes two LED indicators: green for USB power-sense and red to indicate additional external power is required. Short-circuit power protection between the USB port and the SEI bus. US Digital warrants its products against defects in materials and workmanship for two years. See complete warranty for details.
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US Digital Corporation
1400 NE 136th Ave
Vancouver WA USA 98684
Phone: 360-260-2468
Website: www.usdigital.com
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USB4 Encoder Data Acquisition USB Device by US Digital Corporation
Posted Jul 24 2008
Filed under: Encoder Electronic Component
 US Digital Corporation is pleased to announce the release of its latest USB data acquisition device, the USB4. It has digital and analog I/O features along with the ability to record data from up to 4 incremental encoders. In order to maintain streaming data integrity over a USB link to a host PC, the USB4 incorporates a 32 M byte FIFO to buffer captured data when the host PC or USB link is busy.
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US Digital Offers the MAE3 Series Miniature Absolute Encoder
Posted Mar 12 2008
Filed under: Absolute Encoder Encoder
 US Digital’s MAE3 is a cost effective, miniature absolute encoder designed to easily attach to the tail shaft of a motor and provide absolute shaft position feedback. The MAE3 is available with 10 or 12 bit analog, or pulse width modulation( PWM ) outputs and resolutions. Pricing for the MAE3 starts at $43.50 each in 10 bit resolution and drops to an attractive $16.40 each at 100 units.
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E7P Series Optical Encoder by US Digital
Posted Mar 04 2008
Filed under: Optical Encoder Encoder
 The E7P series encoder is a very cost effective, simple to install optical kit encoder designed with the Original Equipment Manufacturer in mind.
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HB6M Hollow Bore Optical Encoder Offered by US Digital
Posted Feb 27 2008
Filed under: Optical Encoder Encoder
 The HB6M optical incremental encoder is designed to easily mount to an existing shaft to provide digital feedback information for any motion control application.
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US Digital's X3Q Dual-axis Absolute Inclinometer
Posted Feb 21 2008
Filed under: Incremental Encoder Sensors
 The X3Q utilizes MEMS(micro electro-mechanical systems) technology to sense tilt angles over the entire 360° range. Each axis appears as a virtual incremental encoder and reports the incremental and absolute tilt angle via 3-channel quadrature outputs. Any resolution may be specified between 4 and 36000 positions per 360 degrees (1 to 9000 CPR). Positions are reported 560 times per second. Each sensor is factory calibrated to provide absolute angular accuracy of ±0.20 degrees at 25°C.
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