104-IDIO-16
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Catalog excerpts

104-IDIO-16 - 1

104-IDIO-16 32-Channel PC/104 Optically Isolated I/O Module FEATURES Inputs: ! 16 or 8 Optically Isolated Inputs ! Non-Polarized Digital Inputs ! Change of State Detection ! AC or DC Signals ! 3 to 31 Volt Input Range ! Sw itchable Slow /Fast Filter Outputs: ! 16 Optically Isolated Solid State Outputs ! Fully Protected ! 5 to 35 VDC Range ! 2 Amp Current Rating DESCRIPTION The Model 104-IDIO-16 is a 32-channel PC/104 utility board featuring 16 optically isolated inputs and 16 optically isolated solid state outputs. The isolated, non polarized inputs m ay be driven by either DC sources of 3-31V (or higher by special order) or AC sources at frequencies of 40Hz to 10KHz. Optically isolating the digital inputs from each other, and from the com puter, assures sm ooth, error-free data transm ission in noisy, real-world environm ents. The 16 input channels are available via a 34-pin IDC type header. The fully protected solid state outputs, capable of driving 2A each, are inherently m ore reliable than electrom echanical relays and give system architects a m ore robust product to design with. The solid state outputs are available via a 50 pin IDC type header. Each input circuit includes a jum per selectable slow/fast filter to accom m odate AC inputs and is also useful for slow DC inputs in noisy environm ents. The filter m ay be m anually disabled to increase the boards typical response tim e to 10 usec when used with faster DC inputs. The input im pedance is 1.8K O hm s to accom m odate a wide input range. The board is installed by jum per selecting base addresses and IRQ. System interrupts are software controlled, enabling the board to generate an interrupt whenever one or m ore of the isolated digital inputs changes state. This elim inates the need for constant polling and greatly frees up system resources. Model 104-IDIO-16E is an econom y version available without the interrupt Change of State Detection feature. The 104-IDIO-16 is designed for use in both com m ercial and optionally in industrial environm ents of 0 to +70C and -40 to +85C, respectively. 10623 Roselle Street, San Diego, CA 92121 • (858) 550-9559 • Fax (858) 550-7322 • info@accesio.com • www.accesio.com 8/

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104-IDIO-16 - 2

BLOCK DIAGRAM TECHNICAL SPECIFICATION ISOLATED DIGITAL INPUTS Number of inputs: Sixteen Type: Non-polarized, optically isolated from each other and from the computer. (CMOS compatible) Voltage Range: 3 to 31 DC or AC (40 to 10000 Hz) Isolation: 500V*(see manual) channel-to-ground or channel-to channel Input Resistance: 1.8K ohms in series with opto coupler Response Time: 4.7 mSec w/filter, 10 uSec w/o filter (typical) Interrupts: Software controlled with jumper IRQ selection (model 104-IDIO-16 only) ISOLATED FET OUTPUTS Number of outputs: Sixteen Solid State FET’s (off @ power up). Output...

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