New Multifunction 8-Channel Counter/Encoder Module
for Portable Data Acquisition Systems.
Scensys Ltd. has announced the release of the new lOtech WBK17,
an 8-channel multifunction counter/encoder module for the
high-speed portable WaveBook/516 data acquisition system.
Only the WBK17-based system features the performance and
versatility required to meet the needs of Laboratory, test and
measurement, and industrial automation applications.
"In the past, either PC-plug-in boards with limited functionality or more
dedicated instruments were the only options available for
counter-oriented lab applications. And, industrial automation applications
have had to reply on costly and relatively inflexible PLC-based solutions,"
said Ron Chapek, Product Manager. "Now, the portable WBK17
cw WaveBook/516 systems bridges the gap between these two
markets by combining instrument-level performance with automation-level
versatility and robustness."
Each of the WBKI7's 8 high-speed 32-bit counter channels can be
independently configured for one of five modes: counter, period, pulse
width, time between edges, or encoder. These channels are also
capable of measuring analogue inputs, which are digitised by the
WaveBook/516 at up to 1MHz. With this unmatched versatility, the
WBKI7-based system can concurrently monitor time periods, frequencies,
pulses and other incremental event-driven occurrences read directly
from encoders, pulse generators, limit/proximity switches and magnetic
pick-ups. The WBKI7 also features 16 digital (read synchronously with
counter and analogue inputs) and 8 fully programmable digital outputs
capable of directly driving relays.
Unique Features of the wBK17, WaveBook/516 System
Waveform Measurements: Each channel is capable of reading an
analogue input (from 500 m Vpp to 100 Vpp) which is sampled by the
WaveBook/516 at up to 1MHz with 16-bit resolution. AC/DC coupling
and low-pass filtering are programmable per channel. Each channel
input has a comparator with a programmable threshold (-12.5V to 12.5V
in 100 mV steps) to reject input noise and ringing. Programmable
debounce times (from 500 ns to 25.5ms) and glitch detection are also
programmable per channel to eliminate transients typically associated
with electromechanical devices (e.g. relays and proximity sensors).
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