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1047_1B Phidget Encoder High Speed 4-Input

Product Code: 1047_1B
Excl. VAT: £72.90 Incl. VAT: £87.48
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The Phidget Encoder Highspeed 4-Input is able to read four encoders simultaneously.

The Phidget Encoder 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.

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

 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.

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. This particular revision of the 1047 has improved power switches to enhance system stability when turning off and on separate encoder inputs. It also has updated firmware with a few minor bug fixes.

Comes packaged with:

  • A Hardware mounting kit (4 nuts and bolts, 4 plastic spacers)


Product Specification

Encoder Interface
API Object Name Encoder
Number of Encoder Inputs 4
Count Rate Max 1E+06 pulses/s
Encoder Interface Resolution x4
Update Rate 125 samples/s
Time Resolution 1 μs
Encoder Input Low Voltage Max 800 mV DC
Encoder Input High Voltage Min 2.1 V DC
USB Speed Full Speed
Controlled By USB
API Object Name Encoder
Electrical Properties
Encoder Pull-up Resistance 10 kΩ
Current Consumption Max 470 mA
Current Consumption Max (per encoder) 200 mA
Current Consumption Min 30 mA
USB Voltage Min 4.8 V DC
USB Voltage Max 5.3 V DC
Physical Properties
Recommended Wire Size 16 - 26 AWG
Operating Temperature Min 0 °C
Operating Temperature Max 70 °C
Digital Inputs
Number of Digital Inputs 4
Pull-up Resistance 15 kΩ
Low Voltage Max (True) 800 mV DC
High Voltage Min (False) 2.1 V DC
Low Voltage Trigger Length Min 4 ms
High Voltage Trigger Length Min 16 ms
Digital Input Voltage Max ± 15 V DC
Digital Input Update Rate 125 samples/s

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

1047_1B Phidget Encoder High Speed 4-Input

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