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M2i.3121-Exp | Spectrum

12 bit multi-purpose digitizer

  • Up to 10 MS/s on 4 channels
  • Simultaneously sampling on all channels
  • Separate ADC and amplifier per channel
  • Programmable input offset of +/-100%
  • Up to 1 GSample on-board memory
  • 256 MSample standard memory installed
  • 8 input ranges: +/-50 mV up to +/-10 V
  • Window, pulse width, re-arm, OR/AND trigger
  • Synchronization of up to 16 cards
  • PCIe x1 Gen1 Interface
  • Works with x1/x4/x8/x16* PCIe slots
  • Software compatible to PCI
  • Sustained streaming mode up to 160 MB/s

Application Examples

  • Multi-channel data acquisition
  • Vibration Analysis of nano parts
  • Combustion optimization

General Information

The M2i.31xx Express series allows simultaneous recording of two, four or eight channels with sampling rates of 1 MS/s, 10 MS/s or 25 MS/s. Due to the proven design a wide variety of 12 bit A/D converter boards for PCI/PCI-X bus and PCI Express can be offered. As an option 4 digital inputs per channel can be recorded synchronously making a total of up to 32 additional digital channels for mixed-mode operation.

In contrast to the parallel PCI buses PCI Express slots contain serial point to point connections. Each connection pair (lane) is able to reach a burst connection speed of 250 MBytes/s. The Spectrum PCI Express cards base on the most commonly used x1 lane slot type. One advantage of the PCI Express technology is the direct connection of each slot allowing a full transfer bandwidth for each single card. On the software side there is no difference between PCI/PCI-X or PCI Express. PCI Express is the bus standard for PC based systems for the next couple of years. Today's State-of-the-art motherboards normally have a couple of PCI Express slots but only one or two PCI-X slots. Spectrum's PCI Express x1 cards can be used in any standard PCI Express slot be it x1, x4, x8 or x16. Only some dedicated PCI Express graphics slots may not work.

BaseXIO (Optional)

The BaseXIO option offers 8 asynchronous digital I/O lines on the base card. The direction can be selected by software in groups of four. Two of these lines can also be used as additional external trigger sources. This allows the building of complex trigger conjunctions with external gated triggers as well as AND/OR conjunction of multiple external trigger sources like, for example, the picture and row synchronisation of video signals. In addition one of the I/O lines can be used as reference clock for the Timestamp counter.

FIFO mode

The FIFO mode is designed for continuous data transfer between measurement board and PC memory (up to 245 MB/s on a PCI-X slot, up to 125 MB/s on a PCI slot and up to 160 MB/s on a PCIe slot) or hard disk. The control of the data stream is done automatically by the driver on interrupt request. The complete installed on-board memory is used for buffer data, making the continuous streaming extremely reliable.

System Star-Hub (Optional)

Using the System Star-Hub for M2i series cards it is possible to synchronize several systems with each other having the same advantages that the standard Star-Hub gives. The system star-hub allows to extend the number of synchronous channels or set up multiple synchronous data streaming systems either for data storage or online calculations.

Ring buffer mode

The ring buffer mode is the standard mode of all acquisition boards. Data is written in a ring memory of the board until a trigger event is detected. After the event the posttrigger values are recorded. Because of this continuously recording into a ring buffer there are also samples prior to the trigger event visible: Pretrigger = Memsize - Posttrigger.

Star-Hub (Optional)

The star-hub is an additional module allowing the phase stable synchronization of up to 16 boards in one system. Independent of the number of boards there is no phase delay between all channels. The star-hub distributes trigger and clock information between all boards. As a result all connected boards are running with the same clock and the same trigger. All trigger sources can be combined with OR/AND allowing all channels of all cards to be trigger source at the same time. The star-hub is available as 5 card and 16 card version. The 5 card version doesn't need an extra slot.

Channel Trigger

The data acquisition boards offer a wide variety of trigger modes. Besides the standard signal checking for level and edge as known from oscilloscopes it's also possible to define a window trigger. Trigger conditions can be combined with logical conjunctions like OR to adopt to different application scenarios.

External Trigger

All boards can be triggered using an external TTL signal. It's possible to use positive or negative edge also in combination with a programmable pulse width. An internally recognized trigger event can - when activated by software - be routed to the trigger connector to start external instruments.

Gated Sampling

The Gated Sampling option allows data recording controlled by an external gate signal. Data is only recorded if the gate signal has a programmed level. In addition a pre-area before start of the gate signal as well as a post area after end of the gate signal can be acquired. The number of gate segments is only limited by the used memory and is unlimited when using FIFO mode.

Multiple Recording

The Multiple Recording option allows the recording of several trigger events with an extremely short re-arming time. The hardware doesn't need to be restarted in between. The on-board memory is divided in several segments of the same size. Each of them is filled with data if a trigger event occurs. Pre- and posttrigger of the segments can be programmed. The number of acquired segments is only limited by the used memory and is unlimited when using FIFO mode.

Pulsewidth Trigger

Defines the minimum or maximum width that a trigger pulse must have to generate a trigger event. Pulse width can be combined with channel trigger, pattern trigger and external trigger. This makes it possible to trigger on signal errors like too long or too short pulses.

Timestamp

The timestamp option writes the time positions of the trigger events in an extra memory. The timestamps are relative to the start of recording, a defined zero time, externally synchronized to a radio clock, or a GPS receiver. With this option acquisitions of systems on different locations can be set in a precise time relation.

External Clock

Using a dedicated connector a sampling clock can be fed in from an external system. It's also possible to output the internally used sampling clock to synchronize external equipment to this clock.

High Precision PLL

The internal sampling clock of the card is generated using a high precision PLL. This powerful device allows to select the sampling rate with a fine step size making it possible to perfectly adopt to different measurement tasks. Most other cards on the market only allow the setup of fixed sampling rates like 100 MS/s, 50 MS/s, 25 MS/s, 10 MS/s, ... without any possibility to set the sampling rate to any value in between.

Reference Clock

The option to use a precise external reference clock (normally 10 MHz) is necessary to synchronize the board for high-quality measurements with external equipment (like a signal source). It's also possible to enhance the quality of the sampling clock in this way. The driver automatically generates the requested sampling clock from the fed in reference clock.

Digital Inputs (Optional)

This option acquires additional synchronous digital channels phase-stable with the analog data. When the option is installed and activated additional digital inputs are stored in the unused bits of each ADC word (2 digital inputs on 14 bit A/D and 4 digital inputs on 12 bit A/D)

Programmable Input Amplifiers

The analog inputs can be adapted to real world signals using a wide variety of settings that are individual for each channel. By using software commands the input termination can be changed between 50 Ohm and 1 MOhm and one can select an input range matching the real world signal.

Programmable Input Offset

Most of the Spectrum A/D cards offer a user programmable signal offset opening the Spectrum boards to a wide variety of setups. The signal offset at least covers a range of +/-100 % of the currently selected input range making unipolar measurements with the card possible. Besides this the input range offset can be programmed individually allowing a perfect match of the A/D card section to the real world signal.

Synchronous Sampling

All acquisition cards from Spectrum are built with a completely synchronous design. Every channel has its own independent input amplifier as well as an independent ADC allowing to program all input channel related settings individually for each channel.

3rd Party Drivers

A lot of third-party products are supported by the Spectrum driver. Choose between LabVIEW, MATLAB, LabWindows/CVI and IVI. All drivers come with examples and detailed documentation.

Programming Examples

Programming examples for Microsoft Visual C++, Borland C++ Builder, Gnu C++ (CygWin), Borland Delphi, Microsoft Visual Basic, C#, J#, VB.Net, Python and LabWindows/CVI are delivered with the driver. Due to the simple interface of the driver, the integration in other programming languages or special measurement software is an easy task.

Linux

All cards are delivered with full Linux support. Pre compiled kernel modules are included for the most common distributions like RedHat, Fedora, Suse, Ubuntu or Debian. The Linux support includes SMP systems, 32 bit and 64 bit systems, versatile programming examples for Gnu C++ as well as the possibility to get the driver sources for own compilation.

Remote Server (Optional)

Using the Spectrum Remote Server it is possible to access the M2i/M3i/M4i card(s) installed in one PC (server) from another PC (client) via local area network (LAN), similar to using a digitizerNETBOX. To operate it the remote server option has to be activated by a software license for any of the Spectrum cards in the remote system.

SBench6

SBench 6 is a powerful and intuitive interactive measurement software. Besides the possibility to commence the measuring task immediately, without programming, SBench 6 combines the setup of hardware, data display, oscilloscope, transient recorder, waveform generator, analyzing functions, import and export functions under one easy-to-use interface.

Windows

This standard driver is included in the card delivery and it is possible to get the newest driver version free of charge from our homepage at any time. There are no additional SDK fees for the classical text-based programming. All boards are delivered with drivers for Windows 7, Windows 8 and Windows 10, all 32 bit and 64 bit.

Documents
File NameInfoLast modifiedFile Size
AN008_Legacy_Windows_Driver_Installation.pdfWindows driver installation of driver versions < 4.017.11.171 MBytes
m2i31_datasheet_english.pdfDatasheet of the M2i.31xx family17.11.17878 kBytes
m2i31_manual_english.pdfManual of M2i.31xx family17.11.176 MBytes
dock_datasheet_english.pdfData sheet of Docking Station29.08.17162 kBytes
m2iclktrg_datasheet_english.pdfM2i Clock / Trigger distribution card29.08.17211 kBytes
m2istarhub_datasheet_english.pdfM2i StarHub module datasheet29.08.17218 kBytes
spa_amplifier_datasheet_english.pdfData sheet of SPA pre-amplifier29.08.17352 kBytes
spc_streaming_datasheet_english.pdfDatasheet of Spectrum Terastore Streaming System29.08.17977 kBytes
spcm_ivi_english.pdfShort Manual for IVI Driver17.11.17525 kBytes
sbench6_datasheet_english.pdfData sheet of SBench 629.08.17737 kBytes
m2ixxxx_labview_english.pdfManual for LabVIEW drivers for M2i/DN217.11.171 MBytes
sbench6_manual_english.pdfManual for SBench 629.08.176 MBytes
spcm_matlab_manual_english.pdfManual for MATLAB driver M2i/M3i/M4i/DN229.08.17916 kBytes
WINDOWS Drivers + Software
File NameInfoLast modifiedFile Size
spcm_driver_v221b7668.zipM2i / M3i driver - last Version for Windows 200008.07.14426 kBytes
spcm_drv_xp_vista_win32_v330b13487.zipM2i/M3i/M4i/M4x driver - last Version for Windows 32 XP / Vista15.11.171 MBytes
spcm_drv_xp_vista_win64_v320b11931.zipM2i/M3i/M4i/M4x driver - last Version for Windows 64 XP / Vista15.11.172 MBytes
spcm_drv_install_4.1.14047.exeM2i/M3i/M4i/M4x/DN2/DN6 driver for Windows 7, 8, 10 (32/64 bit)17.11.174 MBytes
spcmcontrol_install_v141b7675.exeSpectrum Control Center - last Version for Windows 200016.11.178 MBytes
spcmcontrol_install32bit.exeSpectrum Control Center (32-bit)17.11.1719 MBytes
spcmcontrol_install64bit.exeSpectrum Control Center (64-bit)17.11.1721 MBytes
specdigitizer.msiIVI Driver for IVI Digitizer class17.11.173 MBytes
specscope.msiIVI Driver for IVI Scope class17.11.172 MBytes
spcm_remote_install.exeWindows Installer for Remote Server Option29.08.172 MBytes
sbench5_install.exeSBench 5 Installer29.08.174 MBytes
sbench6_v6.4.0b13853.exeSBench 6 (32-bit) Installer29.08.1731 MBytes
sbench6_64bit_v6.4.0b13853.exeSBench 6 (64-bit) Installer29.08.1734 MBytes
spcm_drv_labview_install.exeM2i/M3i/M4i/M4x/DN2/DN6 LabView driver installer17.11.177 MBytes
spcm_drv_matlab_install.exeM2i/M3i/M4i/M4x/DN2/DN6 Matlab driver + examples installer17.11.171 MBytes
examples_install.exeWindows Examples (C/C++, VB, Delphi, .NET, CVI, Python ...)17.11.171 MBytes
LINUX Drivers + Software
File NameInfoLast modifiedFile Size
spcm_linux_drv_v401b14047.tgzM2i/M3i/M4i/M4x drivers (Kernel + Library) for Linux 32 bit and 64 bit17.11.176 MBytes
spcm_linux_libs_v401b14047.tgzDriver libraries (no Kernel) for Linux 32 bit and 64 bit17.11.172 MBytes
spcm_control_center.tgzSpectrum Control Center17.11.1734 MBytes
spcm_remote_server.tgzSpectrum Remote Server Linux Installer Package29.08.175 kBytes
sbench6_6.4.00b13853-2_i386.debSBench 6 Linux 32 (.deb)29.08.1724 MBytes
sbench6-6.4.00b13853-1.32bit.rpmSBench 6 Linux 32 (.rpm)29.08.1723 MBytes
sbench6_6.4.00b13853-2_amd64.debSBench 6 Linux 64 (.deb)29.08.1724 MBytes
sbench6-6.4.00b13853-1.64bit.rpmSBench 6 Linux 64 (.rpm)29.08.1723 MBytes
spcm_matlab_driver.tgzDrivers + examples for MATLAB for Linux (DEB + RPM)17.11.17162 kBytes
spcm_examples.tgzLinux Examples (C/C++)17.11.171 MBytes
Firmware
File NameInfoLast modifiedFile Size
spcm_firmware.tgzM2i/M3i/M4i/M4x firmware update (Linux)17.11.1724 MBytes
firmware_update_install.exeM2i/M3i/M4i/M4x firmware update (Windows)17.11.179 MBytes
Product Note
NameInfoLast modifiedFile Size
Digitizer Acquisition ModesUsing modular Digitizer Acquisition Modes19.02.152 MBytes
Digitizer Front-EndProper Use of Digitizer Front-End Signal Conditioning19.02.152 MBytes
High-Res High BW DigitizersAdvantages of High Resolution in High Bandwidth Digitizers19.02.152 MBytes
General Digitizer IntroductionGeneral Introduction to Waveform Digitizers19.02.15572 kBytes
Digitizer Software IntegrationSoftware Support for Modular Digitizers19.02.15707 kBytes
Trigger and SyncTrigger, Clock and Synchronization Details at high-speed Digitizers19.02.151 MBytes
SBench 6 IntroductionSBench 6 - Data Acquisition and Analysis of Digitizer Data19.02.151 MBytes
Application Note
NameInfoLast modifiedFile Size
Common Digitizer Setup ProblemsApplication Note: Common Digitizer Setup Problems to avoid18.03.161 MBytes
Using Probes & SensorsUsing Probes and Sensors with Modular Digitizers09.04.15838 kBytes
Signal Processing ToolsUsing Signal Processing Tools to enhance Digitizer Data19.02.151 MBytes
Solving Data Transfer Bottlenecks on DigitizersSolving Data Transfer Bottlenecks on Digitizers10.11.151 MBytes
Teaming AWG with DigitizerTeaming an Arbitrary Waveform Generator with a Modular Digitizer11.01.16897 kBytes
Digitizers as OscilloscopeUsing a Digitizer as Oscilloscope17.04.15825 kBytes

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