M.2-IDIO Series

Product Overview

M.2 Card with 8 or 4 Isolated Digital Inputs with Change-of-State (COS) Detection and Solid State FET Relay Outputs

Features Include:

  • 8 OR 4 optically-isolated non-polarized inputs up to 31VDC/AC
  • 8 or 4 fully protected high-side FET outputs switch from 5 to 34VDC at up to 2A
  • Change-of-State (COS) detection IRQ generation
  • Panel-mountable isolation module with 37-pin female D-Sub connector
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Data Acquisition & Control M.2-IDIO Series Main Product Image
Data Acquisition & Control M.2-IDIO Series Product Image 2

The M.2-IDIO-8 Isolated Input, Solid State Relay Output, mPCIe Card Family consists of a 2260/2280 size M.2 Card interface board that connects to a Mobile-ITX-sized, DB-37 Female Isolation Module via an included 9” cable. That module is designed to be easily panel-mounted in any application environment. It uses the high speed PCI Express bus to transfer digital data to and from the card. The digital I/O is compatible with 8255 PPI chips making it easy to program. This allows for simple and trouble-free migration from other ACCES PCI and PCI Express digital I/O cards, but also provides for advanced features enabled by the onboard FPGA logic.

The M.2-IDIO cards are well suited to complex environments, mitigating otherwise challenging ground-loops, high-common-mode, and transient voltage spikes common in electrically-noisy industrial or factory locations. The broad voltage compatibility and high current outputs allows use in a wide range of applications.

The non-polarized inputs support both AC and DC, and configuration jumpers allow 4.7ms input filters to be enabled per-channel, as desired – required for AC use. The isolated inputs support voltages from 3 to 31 VDC/VAC RMS [40Hz to 10000Hz], as well as standard 12/24 AC control transformer signals.

The outputs are fully protected High-Side Power MOSFETs capable of switching from 5 to 34VDC at up to 2A continuous-current load with 10A max current allowed (VBB0 = 5A, VBB1 = 5A).

Change of State (COS) detection and interrupt capabilities are designed to relieve software from polling routines that can consume valuable processing time. Each port can be programmed for detecting state changes on their lines, in which any changes of the enabled port’s bits (low-to-high or high-to-low) will generate an IRQ. An ISR (interrupt service routine) then determines which bit changed state and clears the interrupt.

A special feature now available on ACCES’ PCI Express (PCIe), PCI Express Mini Card (mPCIe) and M.2 Digital I/O product lines is DigitalFeatures (read as “Digital Integration Features”). All these cards share features such as memory mapped registers for low-latency operation. Output channels support pulse/train / PWM / frequency / and quadrature generation. Inputs channels support flexible measurement of pulse duration, frequency, and event counting, with optional debouncing, IRQ generation, and more.

The M.2-IDIO cards are excellent for use in applications sensing inputs such as switch closures, TTL, LVTTL, CMOS logic and controlling external relays, driving indicator lights, and more. The M.2-IDIO cards  can be used in the following: Process Monitoring, Manufacturing / Production Test, Machine Control, Monitoring and Control, Security Systems, Energy Management, Industrial Automation, Factory Automation, Laboratory Automation & Embedded OEM.

Key Features:

  • 8 OR 4 optically-isolated non-polarized inputs up to 31VDC/AC
  • 8 or 4 fully protected high-side FET outputs switch from 5 to 34VDC at up to 2A
  • Change-of-State (COS) detection IRQ generation
  • Panel-mountable isolation module with 37-pin female D-Sub connector
  • 8 LVTTL I/O lines programmable as inputs or outputs in groups of 4

Data Sheets (PDF)

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M.2-IDIO Series Data Sheet

Technical Manuals (PDF)

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M.2-IDIO Series Technical Manual

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Software Reference Manual

Acces I/O programming utility software reference manual...

Part Numbers

Details

M.2-IDIO-4

4-Channel Isolated Digital Input & FET Relay Output with Change-of-State (COS) M.2 Card

M.2-IDIO-8

8-Channel Isolated Digital Input & FET Relay Output with Change-of-State (COS) M.2 Card

M.2-IDO-8

8-Channel FET Relay Output with Change-of-State (COS) PM.2 Card

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