1047_1 - PhidgetEncoder HighSpeed 4-Input

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Quick Overview

Read up to four encoders simultaneously with this Encoder Interface. You can read limit switches or other simple sensors with the digital inputs.
1047_1 - PhidgetEncoder HighSpeed 4-Input

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  • 1047_1 - PhidgetEncoder HighSpeed 4-Input

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Product Features


Read up to four encoders simultaneously with this Encoder Interface. You can read limit switches or other simple sensors with the digital inputs.
 
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 an optional third output channel 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.

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.


Product Specifications

 

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

 

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

Related Products


If you only need a single encoder, check out the 1057 - PhidgetEncoder HighSpeed.



Comes Packaged with:



Previous Versions of the 1047



Enclosure


You can protect your board by purchasing the 3809 - Acrylic Enclosure for the 1047.

3809

 

Resources

 

Additional Information

SKU ES000018
Manufacturer Phidgets

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