M.2-DIO-24S Digital I/O Card
24 bits of Digital Input/Output with Pulse (PWM) and Edge Measurement and Generation features and IRQs
FEATURES
- M.2 2260/2280 “B/M” size Card with latching I/O connectors
- 24 high-current LVTTL DIO lines (24ma source/sink)
- “S” models now include Digital Integration Features
- 8 bits with Edge-selectable Event Counting, Pulse Width and PWM measurement, and per-bit Edge-selectable CoS IRQs
- 8 bits with Pulse Train (“generate n pulses”) and PWM generation
- 10k ohm pull-up resistors
- Four and eight bit ports independently software selectable for use as inputs or outputs
- All signals brought out to optional panel-mountable 37-pin male D-Sub connector
- RoHS standard
- Works in your computers’ NVME slots!
- Available in PCI Express Mini (mPCIe) form!
- Designed, made, supported, and manufactured in the USA
FACTORY OPTIONS
- Industrial operating temperature (-40°C to +85°C)
- CMOS signaling with user supplied VCCIO (5V)
- Support for Wind River VxWorks (call for ordering information)
$208.00 – $238.00
In StockDescription
24-Channel Digital I/O with Digital Integration Features on M.2
The M.2-DIO-24S is a 2260/2280 size M.2 Card and optional cable assembly (D-Sub 37-pin Male connector) 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 also 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 card provides three 8-bit I/O ports designated A, B and C. Port C can be further divided into two 4-bit nybbles. Each port can be programmed as inputs or outputs. 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.
Digital ∫ Features
“S” Models include new Digital Integration Features on 8 bits of input and 8 bits of output.
- Inputs: Enhanced Change-of-State IRQs can be enabled on a bit-by-bit basis, with a selectable (rising/falling) edge. Separately enabled per-bit edges are counted with an optional overflow IRQ. Low-side and high-side pulse widths are measured with a resolution as fine as 8ns. These measurements automatically provide both frequency and duty cycle measurements for waveforms up to 65.5 MHz.
- Outputs: Individual rising-or-falling pulses can be generated, individually or simultaneously on up to 8 output bits, with durations controllable with 8ns resolution. Sequential pulses or continuous frequencies (with programmable duty-cycle) can also be output.
- EZUpdate: FPGA supports EZUpdate allowing new FPGA code to be written via software across the PCI Express bus, allowing field upgrade with new features.
For details regarding Digital Integration Features please refer to the Digital Integration Features Reference.
Applications
The M.2-DIO-24S is excellent for use in applications sensing inputs such as switch closures, 5V, LVTTL, CMOS logic and controlling external relays, driving indicator lights, and more. The M.2-DIO-24S can be used in the following markets.
- Process Monitoring
- Manufacturing/Production Test
- Machine Control
- Monitoring and Control
- Security Systems, Energy Management
- Industrial Automation
- Factory Automation
- Laboratory Automation
- Embedded OEM
Special Order
Please contact ACCES with your precise requirement. Examples of special orders would be pull-down resistors, conformal coating, a version with user supplied 5VDC VCCIO, custom software or product labeling, and more. We will work with you to provide exactly what is required.
Accessories and Connections
Available accessories include a 40-pin to male DB-37 cable and screw terminal boards for quick and easy connectivity. I/O on the card is accessed via a 40-pin latching Molex connector. Alternately, custom hardware cables and/or interfaces can be produced to fit your specific application requirement.
SOFTWARE
The card is supported for use in most operating systems and includes a free DOS, Linux, and Windows compatible software package. This package contains sample programs and source code in C#, Delphi, and Visual C++ for Windows. Also provided is a graphical setup program in Windows. Linux support includes installation files and basic samples for programming from user level via an open source kernel driver. Third party support includes a Windows standard DLL interface usable from the most popular application programs, and includes LabVIEW VIs. Embedded OS support includes CE, Windows IoT, VxWorks, etc. Full register-level documentation of all features ensures easy compatibility in any application environment.
Downloads
Data Sheets
Manuals
- Digital Integration Features Register Reference
- M.2 & mPCIe-DIO-24S Manual
- AIOWDM Software Reference Manual (.html)
Software
- M.2- and mPCIe-DIO-24S Software Package (55.09 MB -- Last Uploaded 2024-10-14)
Drivers and Downloads
Full list of available Downloads: Software Packages, Drivers, Manuals, and other documents
Information about our Free Software packages:
ACCES is proud to provide a full suite of software support with every Data Acquisition product. We are committed to supporting the most popular operating systems and platforms for our customers. Currently we are actively supporting 7 -> 11, both 32 & 64 bit, including “Server 2008,” “Embedded,” and “Compact” flavors for all plug-and-play products including PCI, PCI Express, USB, and more. Many products continue to ship with support for additional operating systems such as DOS, Windows 95, 98, Me, NT4, 2000, and XP.
Samples
Among the software we deliver with our products are sample programs in a wide variety of programming languages. These samples are used to demonstrate the software interfaces to our products — and many can be used as-is in your production environments, or to test functionality of the devices out-of-the-box. We’re currently actively supporting sample programs in Microsoft Visual C#, and Delphi, with many devices including samples in Visual Basic (5 and .NET), Visual C/C++, and Borland C/C++ 3.1 for DOS. Additionally we provide National Instruments LabVIEW compatible DLLs and many demonstration VIs for our devices.
Drivers
Drivers for various operating systems are also provided, including active support for Windows 7 -> 11 — all in both 32-bit and 64-bit flavors, and including consumer, server, and embedded varieties — as well as the 2.6 and newer Linux kernels and recent OSX / macOS versions. Many products continue to ship with driver support for Windows 95, 98, Me, NT4, Windows 2000, XP, and more, but support for these operating systems is considered deprecated.
Setup Programs and Utilities
Our Data Acquisition devices also include a graphical setup utility that walks you through the process of configuring any option jumpers or switches on the device, as well as explaining a little about the various connectors present.
Many devices also include utility programs – little tools to make your use of the device easier, such as EWriter, a program that allows you to read and write data in the user-accessible EEPROM locations on all our USB data acquisition products; or WinRISC, a “Really Incredibly Simple Communications” terminal program that lets you get started instantly with serial devices.
“Register Level” Documentation
Besides all this software in all these languages and operating systems ACCES has a policy of open and transparent development: none of our lowest-level “register” interfaces are hidden from you — we document every register in every bus card, every command in every serial board, and every usb control transfer in every USB Data Acquisition board. These lowest-level interfaces allow you to develop for our products in ANY operating system or language, regardless of our actively supporting it or having a driver for it. We have customers actively developing in ADA, Android, Python, Java, MATLAB, Solaris, and more, just by referring to our complete low-level interface documentation! And we provide the full source code to all of our drivers, regardless of operating system, to give you an even bigger head start in your own development tasks.
No Fees or Royalties
All of this software is provided at no additional charge, and is licensed under any of a variety of flexible — and royalty free — options. Check out our software license explanation if you’d like more information.
Custom Software
ACCES also offers Custom Software Services for our products. Our prices are unbelievably low, often as inexpensive as free! If you need something tweaked to support your needs, or an entire enterprise application developed from scratch, it is definitely worth your time to inquire with us, first.
Further information about available ACCES Software:
Redistributing Windows Drivers
A list of ACCES drivers and the files that compose them under different versions of Windows, so you can easily redistribute ACCES cards and drivers.
aioWDM.VxWorks
ACCES has successfully partnered with Wind River to bring our entire line of PCI and PCI Express DAQ cards to VxWorks 7!
VxWorks 7 VxBus Gen 2 drivers, with easy-to-use API-libraries, are available for this product, including full source and sample code.
Designed to be compatible with our AIOWDM.dll Windows driver & API, this kernel module adds zero% CPU-cycle overhead to your VxWorks runtimes while allowing the lowest-latency hardware register access possible.
You can find more information about our VxWorks libraries and services on our Wind River Silver Partner page.
PC Interface
- M.2 2260/2280 with B & M key
Digital Input / Output Interface
- Digital Bits: 24
- Compatibility: 8255 Mode 0
- 10 kΩ pull-ups on all bits
- Performance: 1 μs per 32-bit transaction max, ∼3.5μs in Windows
- Digital Inputs
- Logic High: 2.0V to VCCIO (3.3VDC, 5VDC tolerant)
- Logic Low 0V to 0.8V
- Digital Outputs (Standard Version)
- Logic High: 2.0V (min) 24mA source
- Logic Low: 0.55V (max) 24mA sink
- Power Output: +3.3 VDC via 0.5A polyfuse (resetting)
Environmental
- Temperature
- Operating: 0°C to 70°C (order -T option for industrial temperature -40°C to 85°C)
- Storage: -65°C to 150°C
- Humidity: 5% to 95%, non-condensing
- Power required: +3.3VDC @ 330ma (typical)
Physical
- Weight:5.8 grams (plus 22.2g for the cable)
- Length:80mm with breakaway to shorten to 60mm
- Width: 22mm
- I/O connector
- On-card: Molex 501190-4017 40-pin latching
- Mating: Molex 501189-4010
- On cable: Male, D-Sub Miniature, 37-pin
- Mating:Female, D-Sub Miniature, 37-pin
Regulatory Compliance
- This product is designed to be in full compliance with CE requirements.
| Model | Description | Price (USD) | |
|---|---|---|---|
| M.2-DIO-24 | M.2 24 Digital I/O | $208.00 | |
| M.2-DIO-24S | M.2 24 Digital I/O with Change-of-State IRQ | $238.00 |
| Accessories | |
|---|---|
| Cables for the M.2 card | |
| CAB-M.2-DB37M | 40-pin to DB37-pin male cable $29 |
| CAB-M.2-40P | 40-pin to 40-pin discreet cable $29 |
| Direct Connect |
|
| ADAP37F-MINI | Screw terminal adapter with DB37 female connector $40 |
| Cable Connect |
|
| CAB37-18 | Ribbon cable, DB37 female to female connectors, 18″ $25 |
| CAB37-36 | Ribbon cable, DB37 female to female connectors, 36″ $29 |
| STB-37 | DIN-rail mountable screw terminal board with DB37 male connector $39 |
| STA-37 | Wireable screw terminal board with two DB37 Male connectors $79 |
| mPCIe Card Mounting Hardware | |
| M.2HDW-KIT2 | 2mm mounting hardware $1 |
| Model Options (call for pricing) | |
| -T | Extended temperature operation (-40° to +85°C) |
| -TTL | CMOS signaling with user supplied VCCIO (+5V) |