PC6 Encoder to Counter Interface Board

PC6 Product Description

The PC6 decodes the quadrature outputs of an incremental shaft encoder to drive standard up/down counters. The PC6-U, up count / down count version, can be connected to the inputs of common counters such as a 74193 or 40193. The PC6-C, clock and direction version, can connect directly to the counters such as 4516 or 74169. Note: The encoder interface IC used in this product can be purchased separately (see the LFLS7183 & LFLS7184 pages).

Product Specifications

View here or download the specifications

Environmental

ParameterMin.Max.Units
Operating Temperature -40 70 °C
Electrostatic Discharge, Human Body Model -2 2 kV

Electrical

ParameterMin.Max.UnitsNotes
Supply Voltage 4.5 5.5 Volts -
Supply Current - 100 µA A,B = 100KHz
A,B Logic Low - 0.6 Volts -
A,B Logic High 3.1 - Volts -
A,B Frequency - 180 kHz -
Sink Output Current 1.75 - mA Vout = 0.4V
Source Output Current 1.0 - mA Vout = 4.5V
Pulse Width of Clock Output 4.0 8.0 µS 6µS typical

* The clock output pulse width is 6µS.

Pin Descriptions

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PC6-X-X-X Input Pin-out

PinNameDescription
1 GND Ground
2 I Index
3 A A channel
4 VCC +5 VCC
5 B B channel



PC6-U-X-X Output Pin-out. Up count / Down count (LFLS7183)

PinNameDescription
1 GND Ground
2 I Index
3 /DNCK Down clock
4 VCC +5 VCC
5 /UPCK Up clock



PC6-C-X-X Output Pin-out.  Clock, Up/Dn (LFLS7184)

PinNameDescription
1 GND Ground
2 I Index
3 UP/DN Up/Down
4 VCC +5 VCC
5 /CLK Clock output



Index (Pin 2)

The index signal is routed unchanged, directly from the encoder.

PC6-U-x, pin 3 (LFLS7183).

Normally high, low-true. Down counts are enabled only when B leads A (clockwise rotation). One pulse is generated per encoder cycle using the PC6-U-1 and four pulses are generated using the PC6-U-4. For example, a 500 CPR encoder will produce 500 clocks/rev. using the PC6-U-1 and 2000 clocks/rev. using the PC6-U-4. The external counter should count on the rising (high-going) edge of this output.

PC6-U-x, pin 5 (LFLS7183).

Normally high, low-true. Up counts are enabled only when A leads B (counterclockwise rotation). One pulse is generated per encoder cycle using the PC6-U-1 and four pulses are generated using the PC6-U-4. For example, a 500 CPR encoder will produce 500 clocks/rev. using the PC6-U-1 and 2000 clocks/rev. using the PC6-U-4. The external counter should count on the rising (high-going) edge of this output.

PC6-C-x, pin 3 (LFLS7184)

This output steers the external counter up or down. High = Up (A leads B), Low = Down (B leads A).

PC6-C-x, pin 5 (LFLS7184)

Normally high, low-true. One pulse is generated per encoder cycle using the PC6-C-1 and four pulses are generated using the PC6-C-4. For example, a 500 CPR encoder will produce 500 clocks/rev. using the PC6-C-1 and 2000 clocks/rev. using the PC6-C-4. The external counter should count on the rising (high-going) edge of this output.

Connector

The output connector on the PC6 is TE#640456-5. The mating connector with five 12" wires attached is the CA-C5-W5-NC-1, which uses TE#640442-5 ( see the Cables / Connectors page).

Timing Diagrams

PC6-U-X-X,  Up count / Down count (LFLS7183)


PC6-C-X-X, Clock, Up/Dn (LFLS7184)

Product Change Notifications

TitleDateDescriptionDownload
PC3-H5, PC4, PC5 and PC6 Laser Markings - PCN 6228 9/27/2017 This notification is to inform our customers of a product marking change for the PC3-H5, PC4, PC5, and PC6 products. The purpose for this change is to create a more robust solution by utilizing laser marking versus the current paper label solution. The products effected will now be laser marked. Download

Additional Information

Product Notes

  • For ordering information please see the Compatible Cables / Connectors section above.
  • US Digital® warrants its products against defects in materials and workmanship for two years. See complete warranty for details.

Downloads Available

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    PC6 Pricing

    Quantity Unit Price
    1 $16.70
    10 $15.19
    50 $14.40
    100 $13.88
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    Quantity Unit Price Subtotal
    $16.70 $16.70

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