PCL-833 - 3-axis Quadrature Encoder and 2-channel Counter ISA Card
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This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.
PCL-833 quadrature encoder ISA card
Featured in:Motion Control Cards
Free delivery to UK mainland addresses

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3-axis Quadrature Encoder and 2-channel Counter ISA Card
Peripheral information
Lead time*
1 off price**
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DB25 cable with DB25 cable, 1 metre length
DB25 cable with DB25 cable, 3 metre length
All prices exclude VAT at current rate.
Minimum order value - £50 (exc. VAT and delivery).
Free delivery of the PCL-833 to UK Mainland on orders over £50 (exc. VAT and delivery) when purchasing online - excludes Northern Ireland, Isle of Man, Isle of Wight, Scottish Islands and the Channel Islands.

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)

PCL-833 overview

  • 1.0 MHz max. quadrature input rate
  • Three 24-bit counters (can cascade up to 48 bits)
  • Optically isolated up to 2,500 Vrms
  • 4-stage digital filter
  • 2.4 MHz max. input pulse rate
  • Pulse/direction and up/down counting
  • Digital input with interrupt for each axis
  • Programmable time-interval interrupt
  • Half-size AT bus card
The PCL-833 is a 3-axis quadrature encoder and counter add-on card for the ISA bus. This card lets your PC perform position monitoring for motion control systems. Each input includes a decoding circuit for incremental quadrature encoding. Inputs accept either single-ended or differential signals. Quadrature inputs works with or without an index, allowing linear or rotary encoder feedback.

The PCL-833 has three independent 24-bit counters. The maximum quadrature input rate is 1.0MHz, and the maximum input rate in counter mode is 2.4MHz. You can individually configure each counter for quadrature decoding, pulse/direction counting or up/down counting.

The PCL-833 provides five digital input channels. Each channel accepts a digital input as an index input for a rotary encoder or as a home sensor input for a linear encoder. The card can generate an interrupt to the system based on a signal from its digital inputs, overflow/underflow of its counters, or on a programmed time interval. It can repeatedly generate interrupts at any time interval you specify, from 0.1 msec. to 255 sec. These interrupts let you precisely monitor the speed of a control system.
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