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24-Channel OPTO-Isolated Input Board

Item# OME-DB-24P-24PD

In stock

Lead Time ( If not in Stock): 0 week

24-Channel OPTO-Isolated Input Board OME-DB-24P-24PD OME-DB-24P-24PD
  • Optically Isolated Digital Input Channels
  • Connects Directly to OME-PIO-D144
  • AC/DC Signal Input
  • AC Signal Input with Filter
  • Input Buffer with Voltage Comparators
  • Isolated Digital Input Sensing

Product Specs

The OME-DB-24P is a 24 channel isolated digital input daughter board for OME-PIO-D144 digital input board. The optically isolated inputs of the OME-DB-24P consist of a bi-directional opto-couples with a resistor for current sensing. You can use the OME-DB-24P to sense DC signals from TTL levels up to 24 V. You can also use OME-DB-24P to sense a wide range of AC signals. The OME-DB-24P registers a constant logic high if the frequency of the input AC signal is greater or equal to 1 kHz, and if the voltage of the AC signal is at least 4 Vrms. If you are using an AC input signal, you must short the AC filter jumper. You can use the board to isolate the computer from large common-mode voltages, ground loops and voltage spikes that often occur in industrial environments.

Specifications
I/O CONNECTOR ELECTRICAL SPECIFICATIONS
Configuration:
24 optically isolated digital input channels
Compatibility: TTL compatible
Connector: OME-DB-24P, one 50-pin header; OME-DB-24PD,
one 50-pin header and one 37-pin D-sub connector

DIGITAL INPUT
Number of channels:
24, each with
its own ground reference isolated from other channels
Maximum Input Voltage: 24 Vdc or 24 Vac
Input Impedance: 1.2 K Ω

SOURCE CURRENT
5 V inputs:
4 mA per channel (min)
24 V inputs: 20 mA per channel (min)
Response Time: 20 µs without filter/2.2 ms with filter
Power Supplies: +5 V @336 mA max
Dimensions: 132 H x 220 mm W (5.2 x 8.7")
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -20 to 70°C (-4 to 175°F)
Humidity: 5 to 90% RH non-condensing

Product Number
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