104-IDI-48 Модуль PC/104 c 48 оптоизолированными цифровыми входами

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104-IDI-48 48-Channel Optically Isolated Digital Input Boards

FEATURES

48 Inputs optically isolated channel to channel and channel to ground
Polarity-Insensitive AC/DC inputs accept up to 60 VDC or AC rms
Switchable Slow/Fast Filter

FUNCTIONAL DESCRIPTION

The 104-IDI-48 family of boards are 48-channel PC/104 utility boards which feature 48 individually optically isolated digital inputs. They are ideal for use in control and instrumentation applications where high voltage protection is required. Individual channel-to-channel isolation allows every channel to be physically and electrically separated from the others.

Enabled inputs feature a change-of-state detection capability (denoted by a "C" at the end of the model number) which provides a means to automatically interrupt the host computer in real time. When one or more input bits change state, an interrupt is generated to automatically wake up your application. This can greatly simplify your application program and eliminate the need to continuously poll inputs. Each input is rectified by photo-coupler diodes, and is therefore polarity-insensitive - positive, negative, and AC voltage inputs are all acceptable. Zero crossings and glitches are eliminated by input filters. The input range is up to 60 VDC or AC rms at frequencies of 40 Hz to 10 kHz.

Model No. of Bits Max Input Voltage Change-of-State Interrupt Capability AC Filter

104-IDI-48A 48 31V No Yes
104-IDI-48AC 48 31V Yes Yes
104-IDI-48B 48 60V No Yes
104-IDI-48BC 48 60V Yes Yes

ACCESSORIES

Available accessories include flat ribbon cables and DIN-rail mountable screw terminal boards.

SOFTWARE

This board is supported for use in most operating systems and includes a free Linux and Windows 2000/XP/2003 compatible software package. This package contains sample programs and source code in Visual Basic, Delphi and Visual C++ for Windows. Also incorporated is a graphical setup program in Windows. Third party support includes a Windows standard DLL interface usable from the most popular application programs and includes example LabView VIs. Embedded OS support includes Windows XPe.

Ordering Information

Part# Description
104-IDI-48A 48 Isolated AC/DC input up to 31V RMS
104-IDI-48AC Above board with change of state detection
104-IDI-48B 48 Isolated AC/DC input up to 60V RMS
104-IDI-48BC Above board with change of state detection