- M.2 2260/2280 "B/M" size Card with latching I/O connectors
- 24 high-current LVTTL DIO lines (24ma source/sink)
- Change-of-State (COS) detection IRQ 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
- Industrial operating temperature (-40°C to 85°C)
- CMOS signaling with user supplied VCCIO (5V)
- Support for Wind River VxWorks (call for ordering information)
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.
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
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.
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.
M.2 2260/2280 with B & M keys
Digital Input / Output Interface
- Digital Bits: 24
- Compatibility: 8255 Mode 0
- 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)
- 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)
- 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
This product is designed to be in full compliance with CE requirements.
Drivers and Downloads
List of available Downloads: Software Packages, Drivers, Manuals, and other documents
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.
ACCES has successfully partnered with Wind River to bring our entire line of PCI and PCI Express Serial Communication cards to VxWorks 7! All ACCES plug-and-play serial cards are now supported with our VxWorks driver, including RS232, RS422, RS485 (2- and 4-wire) and baud rates up to 10Mbps.
Designed as an update to the existing vxbPciNs16550Sio.c driver, we've added support for ×8 baud rates, proper handling of the unique register location of the 4th port in the Pericom PI7C9X7954 UART, and configuring the serial protocol from your application software.
With this driver suite all ACCES PCI, PCI Express, PCI Express Mini Card, M.2, PCI-104, PCIe/104, and all related "PCI Style" plug-and-play serial cards will detect and install as standard VxWorks SIO ports.
OEM and Volume Pricing Call - 1-877-902-2979
PLEASE CALL US TO ORDER!
||24 Digital I/O with Change-of-State (CoS) IRQ M.2 Card
||24 Digital I/O M.2 Card
|All models ship standard with extended temp and RoHS
|Accessories - PLEASE CALL US TO ORDER!!
||40-pin to DB37-pin male cable
||40-pin to 40-pin discreet cable
||2mm mounting hardware
||Screw terminal adaptor for use with 37-pin male connector
||DIN-rail mountable screw terminal board for 37-pin connector
||37-pin screw terminal board
||Ribbon cable, female 37-pin connectors on each end, 18"
||Ribbon cable, female 37-pin connectors on each end, 36"
||Ribbon cable, male to female 37-pin connectors, 36"
||Ribbon cable, male to female 37-pin connectors, 18"
|Model Options (call for pricing)
||Extended temperature operation (-40° to 85°C)
||CMOS signaling with user supplied VCCIO ( 5V)