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Home > Robot Parts > Robot Sensors > Encoders >

Phidgets Encoder HighSpeed 4-input

Price: $100.00
Availibility: In Stock
Item #: PH-1047

Quantity:
 

  Quantity Count  

  Price Each  

5-9$97.00
10-19$95.00
20-39$93.00
40+$90.00



Product Features

  • Reads up to 4 encoders simultaneously
  • Time Resolution of 1 μs
  • Includes 4 Digital Inputs for detecting the state of switches and sensors
  • Connects directly to a USB port on your PC

Product Description

The PhidgetEncoder Highspeed 4-Input can be used with a wide assortment of mechanical and optical encoders. The encoder should be of quadrature output type, indicating that there will be two quadrature output channels (usually labeled A and B) and a third output channel (only on some encoders) to signal when the index pin (a reference point for zero position or a complete revolution) has been reached.

The PhidgetEncoder Highspeed 4-Input is able to read four encoders simultaneously. Encoders are not powered up until all initialization of the device is complete. It is possible to enable some or all encoders, depending on how many of the channels are being used. This can also be used to reduce power consumption when certain encoders are not needed.


Product Specifications

Characteristic Value
Encoder
Maximum Count Rate 250,000 counts/second
Internal Output Pull-Up Resistance10 kilo Ohms
Software Update Rate (typical)8 ms
USB Update Rate125 samples/second
Time Resolution1 μs
Current
Max Device Current Consumption (all channels enabled)500 mA
Min Device Current Consumption (all channels disabled)30 mA
Maximum Current Consumption per Encoder200 mA
Maximum Current Consumption for all Encoders470 mA
Voltage
Min/Max USB Supply Voltage4.75 - 5.25 VDC
Encoder Input Low Voltage< 1.4 V
Encoder Input High Voltage> 1.8 V

The PhidgetEncoder Highspeed 4-Input has the added ability to time the duration between a group of quadrature changes. The time is returned in microseconds. This time value can be used to calculate velocity and acceleration.

Both mechanical and optical encoders are available, with optical encoders dominating at > 100 counts per second. Review the data sheet for the encoder you are planning to use to ensure it is compatible with the PhidgetEncoder Highspeed 4-Input. Almost any incremental quadrature encoder will work but it is important to verify this before connecting it to the Phidget. Absolute encoders will not work with this device. Ideally, you should choose a quadrature encoder with a 5-pin output and the following pinout in order to be directly compatible with the 1047.

Comes packaged with:

  • A 3018 - Mini-USB Cable 180cm
  • Four 3019 - HighSpeed Encoder Cable 50cm

Resources



This product is part of the Phidgets family!

Phidgets are an easy to use set of USB-based building blocks for low cost sensing and control from your PC. A wide array of sensors, I/O devices, and controllers are available.

To view the entire Phidgets product line, follow this link.

Getting Started with Phidgets



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