Product Description:
PCLD-782 and PCLD-782B digital input daughterboards feature
high-voltage (> 1,500 VDC) optical isolation on all inputs. PCLD-782
provides 16 input channels accessible throughone 20-pin flat cable
connector, which is standard on most PC-LabCard™ products. The
PCLD-782B provides either 16 or 24 channels, depending on what
connector you use. ThePCLD-782B’s 20-pin connector lets you access 16
channels, similar to the PCLD-782, but also provides a 50-pin Opto-22
connector with access to 24 channels.Both cards have onboard screw
terminals for easy input wiring. Optically isolated signal conditioning
provides isolation between separate channels, as well as between each
inputchannel and the PC. This isolation prevents floating potential and
ground loop problems while protecting the input lines from potentially
damaging fault conditions.A red LED on each input channel indicates its
status. If the input signal is high, the LED is lit. You can configure
each channel to work in either isolated or non-isolated mode. Avariable
resistor adjusts the threshold level for all 24 isolated input channels
simultaneously.
Features:
Compatible with all
PC-LabCard™ products with D/I channels
16 or 24 optically-isolated digital
input channels
Built-in screw terminals for easy
input wiring
LEDs indicate input logic status
Inputs buffered with voltage
comparators
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