\n\u0417\u0435\u043c\u043b\u044f NI PCIe-6612<\/strong> \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 PCI Express counter\/timer and digital I\/O device<\/strong> designed for encoder measurement, event counting, frequency measurement, period measurement, pulse-width measurement, pulse generation, and hardware-timed digital applications.\n<\/p>\n \nThe PCIe-6612 provides 8 counter\/timers<\/strong> together with 40 bidirectional digital I\/O lines<\/strong>. Its counter architecture supports applications ranging from basic event counting to sophisticated encoder position measurement and hardware-timed pulse generation.\n<\/p>\n \nWith frequency measurement capability up to 80 MHz<\/strong>, TTL\/CMOS-compatible 5 V digital I\/O, programmable digital filters, waveform digital I\/O, and multiple DMA channels, the PCIe-6612 is well suited for motion measurement, automated test, industrial timing, encoder acquisition, pulse measurement, frequency analysis, and digital control applications.\n<\/p>\n \n\u0417\u0435\u043c\u043b\u044f National Instruments PCIe-6612<\/strong> is a dedicated counter\/timer device for PCI Express-based computers.\n<\/p>\n \nA typical measurement architecture is:\n<\/p>\n \nEncoder \/ Pulse \/ Frequency Signal \u2192 PCIe-6612 \u2192 PCI Express \u2192 Host Computer \u2192 NI-DAQmx \/ LabVIEW<\/strong>\n<\/p>\n \nFor generation applications:\n<\/p>\n \nHost Application \u2192 PCIe-6612 Counter\/Timer \u2192 Pulse \/ Pulse Train \u2192 Device Under Test<\/strong>\n<\/p>\n \nThis combination of measurement and generation makes the PCIe-6612 more flexible than a conventional basic digital I\/O card.\n<\/p>\n \nThe PCIe-6612 provides 8 independent counter\/timer resources<\/strong> for hardware-timed measurement and generation applications.\n<\/p>\n \nTypical counter functions include:\n<\/p>\n \nThe PCIe-6612 supports frequency measurement from approximately 0 MHz to 80 MHz<\/strong>.\n<\/p>\n \nThis high-frequency measurement capability makes the device useful for applications involving fast pulse trains, frequency outputs, digital sensors, rotational speed measurements, and high-speed timing signals.\n<\/p>\n \nThe PCIe-6612 can be used for encoder position measurement<\/strong>.\n<\/p>\n \nCompatible encoder applications can include:\n<\/p>\n \nThe counter\/timers can count external digital events or pulses.\n<\/p>\n \nTypical event-counting applications include:\n<\/p>\n \nThe PCIe-6612 can measure the period of incoming digital signals.\n<\/p>\n \nPeriod measurement is useful when characterizing repetitive signals or calculating frequency from timing information.\n<\/p>\n \nThe device can measure the high or low duration of digital pulses.\n<\/p>\n \n\u041e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n \nThe PCIe-6612 counters can generate programmable output pulses for stimulus, timing, triggering, and control applications.\n<\/p>\n \nPulse-generation applications include:\n<\/p>\n \nThe PCIe-6612 can generate continuous or finite pulse trains according to the supported NI-DAQmx timing configuration.\n<\/p>\n \nPulse trains can be used for:\n<\/p>\n \nThe PCIe-6612 provides 40 total bidirectional digital channels<\/strong>.\n<\/p>\n \nNI identifies these channels as:\n<\/p>\n \nEach terminal can be programmed individually as a digital input or digital output.\n<\/p>\n \nThe PCIe-6612 provides 5 V TTL\/CMOS-compatible digital I\/O<\/strong>.\n<\/p>\n \nThis makes the device suitable for interfacing with many digital logic circuits, encoders, pulse-output sensors, electronic test devices, and timing systems.\n<\/p>\n \nThe PCIe-6612 includes programmable digital filtering to help reject unwanted transitions and switch bounce on digital input signals.\n<\/p>\n \nNI specifies filter settings including:\n<\/p>\n \nDigital filtering can be especially useful with mechanical switches, encoders, sensors, and electrically noisy pulse signals.\n<\/p>\n \nThe PCIe-6612 supports three simultaneous high-speed DMA transfers<\/strong>.\n<\/p>\n \nDMA allows hardware data to be transferred to and from system memory with reduced processor involvement, improving performance in hardware-timed measurement and generation applications.\n<\/p>\n \nPort 0 supports hardware-timed waveform digital I\/O for applications requiring synchronized digital acquisition or generation.\n<\/p>\n \nThe waveform DIO architecture supports up to 32-bit digital samples<\/strong>.\n<\/p>\n \nThe PCIe-6612 supports digital waveform input and output sample clocks up to approximately 10 MHz<\/strong>, depending on system and bus activity.\n<\/p>\n \nThis capability is useful when digital patterns must be acquired or generated under hardware timing.\n<\/p>\n \nThe PCIe-6612 detects the timing and state transitions of external digital signals using dedicated hardware counter\/timer resources.\n<\/p>\n \nFor measurement:\n<\/p>\n \nEncoder \/ Pulse Signal \u2192 Digital Input \u2192 Counter\/Timer \u2192 PCI Express \u2192 Host Application<\/strong>\n<\/p>\n \nFor generation:\n<\/p>\n \nHost Configuration \u2192 Counter\/Timer \u2192 Hardware-Timed Pulse Output \u2192 External Device<\/strong>\n<\/p>\n \nBecause critical timing operations occur in dedicated hardware, counter measurements can provide much more deterministic performance than software-based timing loops.\n<\/p>\n \nA counter\/timer device measures or generates digital events based on precise hardware timing.\n<\/p>\n \nInstead of simply reading a HIGH or LOW state, a counter can evaluate the timing relationship between signal transitions.\n<\/p>\n \nThis enables measurements such as:\n<\/p>\n \nEncoder measurement is one of the primary applications of the PCIe-6612.\n<\/p>\n \nA typical system is:\n<\/p>\n \nRotary Encoder \u2192 A\/B\/Z Signals \u2192 PCIe-6612 \u2192 Position \/ Direction \/ Speed Measurement<\/strong>\n<\/p>\n \nDepending on the encoder and measurement configuration, the counter\/timer hardware can track position and motion information with hardware-based timing.\n<\/p>\n \nQuadrature encoders commonly provide A and B signals that are phase shifted relative to one another.\n<\/p>\n \nThe direction of movement can be determined from the phase relationship between the two signals, while pulse counting determines the position change.\n<\/p>\n \n\u041e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n \nThe PCIe-6612 can measure incoming signal frequency up to 80 MHz<\/strong>.\n<\/p>\n \nTypical frequency sources include:\n<\/p>\n \nRotational speed can be calculated from pulses generated by an encoder, tachometer, or other rotational sensor.\n<\/p>\n \nA typical measurement chain is:\n<\/p>\n \nRotating Shaft \u2192 Encoder \/ Tachometer \u2192 PCIe-6612 \u2192 Frequency \/ Pulse Count \u2192 RPM<\/strong>\n<\/p>\n \nThe conversion between frequency and RPM depends on the number of pulses generated per revolution.\n<\/p>\n \nThe PCIe-6612 can count external events represented by digital pulses.\n<\/p>\n \n\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440:\n<\/p>\n \nPhotoelectric Sensor \u2192 Product Passes Sensor \u2192 Pulse \u2192 PCIe-6612 Counter \u2192 Production Count<\/strong>\n<\/p>\n \nThis can be used in industrial, laboratory, manufacturing, and scientific measurement applications.\n<\/p>\n \nPulse-width measurement determines how long a digital signal remains in a particular state.\n<\/p>\n \nThis capability is useful for:\n<\/p>\n \nPeriod measurement determines the elapsed time between repetitive signal events.\n<\/p>\n \nBecause frequency is the reciprocal of period, period measurement can also be useful for accurately measuring lower-frequency signals.\n<\/p>\n \nThe PCIe-6612 can generate hardware-timed digital pulses with programmable timing characteristics.\n<\/p>\n \nPossible applications include:\n<\/p>\n \nProgrammable counter outputs can be configured to generate pulse signals suitable for compatible PWM-type applications.\n<\/p>\n \nThe resulting output can be used as a timing or control signal where the electrical requirements match the 5 V digital output capabilities of the PCIe-6612.\n<\/p>\n \nIn compatible systems, counter\/timer pulse generation can be used to create step or clock signals for an external stepper motor driver.\n<\/p>\n \nA simplified architecture is:\n<\/p>\n \nPCIe-6612 Pulse Output \u2192 Stepper Driver \u2192 Motor<\/strong>\n<\/p>\n \nThe PCIe-6612 should control the appropriate external driver rather than directly driving the motor power circuitry.\n<\/p>\n \nMechanical switches and some sensors can produce multiple electrical transitions when changing state.\n<\/p>\n \nWithout filtering, these unwanted transitions can be interpreted as additional events.\n<\/p>\n \nThe programmable digital filters of the PCIe-6612 can help reject these short unwanted transitions before they reach the measurement logic.\n<\/p>\n \nThe PCIe-6612 provides more than static digital I\/O. Port 0 supports waveform-based digital acquisition and generation.\n<\/p>\n \nThis allows engineers to acquire or output digital patterns under hardware-clock control rather than changing lines individually using software timing.\n<\/p>\n \nThe device provides 40 bidirectional digital channels, giving the PCIe-6612 substantial general-purpose digital interfacing capability in addition to its counter\/timer functions.\n<\/p>\n \nThese channels can support:\n<\/p>\n \nThe PCIe-6612 and PXIe-6612 provide closely related counter\/timer capabilities but use different host platforms.\n<\/p>\n \nA basic digital I\/O card normally reads or writes digital logic states. The PCIe-6612 adds dedicated counter\/timer hardware for measuring precise timing relationships between digital transitions.\n<\/p>\n \nThe PCIe-6612 can perform three simultaneous high-speed DMA transfers<\/strong>.\n<\/p>\n \nDMA is useful in applications involving continuous or hardware-timed measurements because data can move between the device and system memory without requiring the CPU to handle every individual sample.\n<\/p>\n \nThe PCIe-6612 uses a high-density connection architecture for its counter and digital I\/O signals.\n<\/p>\n \nNI lists compatible connectivity accessories including:\n<\/p>\n \nThe appropriate connector block and cable should be selected according to the required signal types, wiring method, shielding, and physical installation.\n<\/p>\n \n\u0417\u0435\u043c\u043b\u044f BNC-2121<\/strong> provides convenient BNC-based access to compatible counter\/timer and digital signals.\n<\/p>\n \nIt can be useful in laboratory environments where engineers frequently connect pulse generators, encoders, frequency sources, and measurement instruments through coaxial cables.\n<\/p>\n \n\u0417\u0435\u043c\u043b\u044f SCB-68A<\/strong> provides a shielded terminal connection solution for wiring field signals to compatible NI hardware.\n<\/p>\n \nThis type of terminal block is useful when a permanent wired installation is preferred over BNC connectivity.\n<\/p>\n \nThe PCIe-6612 uses the \u041d\u0418-DAQmx<\/strong> driver architecture for counter\/timer and digital I\/O applications.\n<\/p>\n \nNI-DAQmx can provide configuration for:\n<\/p>\n \nThe PCIe-6612 can be integrated into LabVIEW applications through compatible NI-DAQmx software.\n<\/p>\n \nA typical counter measurement workflow is:\n<\/p>\n \nCreate Counter Task \u2192 Configure Measurement \u2192 Configure Input Terminal \u2192 Start Task \u2192 Read Measurement \u2192 Analyze \/ Log Result<\/strong>\n<\/p>\n \nFor generation:\n<\/p>\n \nCreate Counter Output Task \u2192 Configure Frequency \/ Duty Cycle \u2192 Start Output \u2192 Generate Pulse Train<\/strong>\n<\/p>\n \nThe PCIe-6612 can provide precise digital timing measurements and stimulus generation within automated test systems.\n<\/p>\n \nApplications can include:\n<\/p>\n \nThe device can be used with compatible encoders and pulse-output sensors for motion measurement.\n<\/p>\n \n\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:\n<\/p>\n \nCounter\/timer devices are also useful for scientific experiments that produce pulse, event, or frequency signals.\n<\/p>\n \nExamples include:\n<\/p>\n \nBefore selecting the PCIe-6612, evaluate:\n<\/p>\n \nThe PCIe-6612 can measure compatible encoder signals for position, direction, and motion applications.\n<\/p>\n \nThe device can measure digital signal frequencies up to 80 MHz for electronic, industrial, and laboratory applications.\n<\/p>\n \nExternal pulses can be counted using dedicated hardware counters for production, sensor, scientific, and automated test applications.\n<\/p>\n \nThe PCIe-6612 can measure the duration of digital pulses for PWM, timing, and device validation applications.\n<\/p>\n \nHardware counters can generate deterministic pulses and pulse trains for triggering, timing, clocking, and test stimulus applications.\n<\/p>\n \nPort 0 supports waveform digital acquisition and generation for applications requiring hardware-clocked digital patterns.\n<\/p>\n \nThe NI PCIe-6612 is a PCI Express counter\/timer device with eight hardware counters and 40 bidirectional digital I\/O channels for encoder, pulse, frequency, timing, and digital applications.\n<\/p>\n \nThe NI ordering part number for the PCIe-6612 is 782351-01<\/strong>.\n<\/p>\n \nThe PCIe-6612 provides 8 hardware counter\/timers<\/strong>.\n<\/p>\n \nThe PCIe-6612 supports frequency measurements up to 80 MHz<\/strong>.\n<\/p>\n \nThe PCIe-6612 provides 40 bidirectional digital I\/O channels<\/strong>.\n<\/p>\n \nThe PCIe-6612 uses 5 V TTL\/CMOS-compatible digital I\/O<\/strong>.\n<\/p>\n \nYes. Encoder position measurement is one of the primary applications of the PCIe-6612.\n<\/p>\n \nYes. It can perform hardware-based frequency measurement on compatible digital signals, with supported measurement frequencies up to 80 MHz.\n<\/p>\n \nYes. The hardware counters support pulse-width measurement for timing, PWM, sensor, and electronic validation applications.\n<\/p>\n \nYes. The counters can generate individual pulses and pulse trains for triggering, timing, stimulus generation, and synchronization.\n<\/p>\n \nYes. It includes programmable digital debouncing filters with settings including 160 ns, 10.24 \u00b5s, and 5.12 ms, as well as a disabled mode.\n<\/p>\n \nYes. Port 0 supports waveform digital input and output with up to 32-bit sample widths and sample clocks up to approximately 10 MHz, subject to system and bus activity.\n<\/p>\n \nThe PCIe-6612 can perform three simultaneous high-speed DMA transfers<\/strong>.\n<\/p>\n \nThe main difference is the host platform. PCIe-6612 installs in a PCI Express computer, while PXIe-6612 installs in a PXI Express chassis. Both provide eight counter\/timers, 40 digital I\/O channels, and up to 80 MHz frequency measurement capability.\n<\/p>\n \nNo. The PCIe-6612 is primarily a counter\/timer and digital I\/O device. Applications requiring analog measurements should use an appropriate NI DAQ device in addition to or instead of the PCIe-6612.\n<\/p>\n \nNo. The PCIe-6612 can generate compatible timing, pulse, encoder, or step signals, but motor power must be handled by an appropriate motor driver or controller.\n<\/p>\n \nNI lists compatible connectivity options including the TBX-68, BNC-2121, and SCB-68A<\/strong>. The appropriate accessory should be selected according to the required signal connection and wiring architecture.\n<\/p>\n \nNo. NI currently lists 782351-01 PCIe-6612<\/strong> \u043a\u0430\u043a Active<\/strong> product.\n<\/p>\n \nVerify the required number of counter\/timers, maximum input frequency, encoder type, pulse and timing requirements, number of digital I\/O lines, 5 V logic compatibility, digital filtering requirements, PCI Express slot availability, connection accessories, NI-DAQmx version, operating system compatibility, and application software.\n<\/p>\n \n\u0417\u0435\u043c\u043b\u044f NI PCIe-6612 Counter\/Timer Device<\/strong> combines eight hardware counter\/timers with 40 bidirectional 5 V digital I\/O channels, frequency measurement capability up to 80 MHz, encoder acquisition, programmable digital filters, hardware-timed waveform DIO, pulse generation, and multiple high-speed DMA channels. These capabilities make the PCIe-6612 well suited for encoder position measurement, event counting, frequency and period measurement, pulse-width analysis, pulse generation, motion measurement, automated test, industrial timing, and electronic validation applications.<\/p>","protected":false},"excerpt":{"rendered":" \u0428\u0438\u043d\u0430: PCI ExpressProduct Overview<\/h3>\n
Key Features<\/h3>\n
8 Counter\/Timer Channels<\/h4>\n
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Up to 80 MHz Frequency Measurement<\/h4>\n
Encoder Position Measurement<\/h4>\n
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Event Counting<\/h4>\n
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Period Measurement<\/h4>\n
Pulse-Width Measurement<\/h4>\n
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Pulse Generation<\/h4>\n
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Pulse-Train Generation<\/h4>\n
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40 Bidirectional Digital I\/O Channels<\/h4>\n
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5 V TTL\/CMOS-Compatible Digital I\/O<\/h4>\n
Programmable Digital Debouncing Filters<\/h4>\n
\n
Three Simultaneous High-Speed DMA Transfers<\/h4>\n
Waveform Digital I\/O<\/h4>\n
Up to 10 MHz Digital Waveform Timing<\/h4>\n
Technical Specifications<\/h3>\n
\n
\n \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<\/tr>\n \n Product Type<\/td>\n \u0421\u0447\u0435\u0442\u0447\u0438\u043a\/\u0422\u0430\u0439\u043c\u0435\u0440<\/td>\n<\/tr>\n \n \u041c\u043e\u0434\u0435\u043b\u044c<\/td>\n PCIe-6612<\/td>\n<\/tr>\n \n Part Number<\/td>\n 782351-01<\/td>\n<\/tr>\n \n Manufacturer<\/td>\n \u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b<\/td>\n<\/tr>\n \n \u0428\u0438\u043d\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/td>\n PCI Express<\/td>\n<\/tr>\n \n Number of Counters\/Timers<\/td>\n 8<\/td>\n<\/tr>\n \n Frequency Measurement Range<\/td>\n 0 MHz to 80 MHz<\/td>\n<\/tr>\n \n Bidirectional Digital Channels<\/td>\n 40<\/td>\n<\/tr>\n \n Digital I\/O Logic<\/td>\n 5 V TTL\/CMOS Compatible<\/td>\n<\/tr>\n \n Digital Channel Direction<\/td>\n Individually Programmable Input or Output<\/td>\n<\/tr>\n \n Digital Input Protection<\/td>\n -3 V to +8 V<\/td>\n<\/tr>\n \n Digital Pull-Down Resistor<\/td>\n 51 k\u03a9<\/td>\n<\/tr>\n \n Digital Output Impedance<\/td>\n 75 \u03a9<\/td>\n<\/tr>\n \n Waveform Digital I\/O<\/td>\n Port 0, Up to 32 Bits<\/td>\n<\/tr>\n \n Maximum DI Sample Clock<\/td>\n Up to 10 MHz<\/td>\n<\/tr>\n \n Maximum DO Sample Clock<\/td>\n Up to 10 MHz<\/td>\n<\/tr>\n \n Digital Filter Settings<\/td>\n 160 ns \/ 10.24 \u00b5s \/ 5.12 ms \/ Disabled<\/td>\n<\/tr>\n \n DMA<\/td>\n 3 Simultaneous High-Speed DMA Transfers<\/td>\n<\/tr>\n \n Driver<\/td>\n \u041d\u0418-DAQmx<\/td>\n<\/tr>\n \n Product Status<\/td>\n Active<\/td>\n<\/tr>\n \n Primary Applications<\/td>\n Encoder Measurement, Frequency Measurement, Event Counting, Pulse Measurement and Generation<\/td>\n<\/tr>\n<\/table>\n How Does the PCIe-6612 Work?<\/h3>\n
What Is a Counter\/Timer Device?<\/h3>\n
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Encoder Measurement<\/h3>\n
Quadrature Encoder Applications<\/h3>\n
\n
Frequency Measurement<\/h3>\n
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Rotational Speed Measurement<\/h3>\n
Event Counting<\/h3>\n
Pulse-Width Measurement<\/h3>\n
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Period Measurement<\/h3>\n
Pulse Generation<\/h3>\n
\n
PWM Generation<\/h3>\n
Stepper Motor Pulse Generation<\/h3>\n
Digital Debouncing<\/h3>\n
Hardware-Timed Digital I\/O<\/h3>\n
40 Digital I\/O Channels<\/h3>\n
\n
PCIe-6612 vs PXIe-6612<\/h3>\n
\n
\n \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n PCIe-6612<\/th>\n PXIe-6612<\/th>\n<\/tr>\n \n Platform<\/td>\n PCI Express<\/strong><\/td>\n PXI Express<\/td>\n<\/tr>\n \n Counter\/Timers<\/td>\n 8<\/td>\n 8<\/td>\n<\/tr>\n \n \u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/td>\n 40<\/td>\n 40<\/td>\n<\/tr>\n \n Logic Level<\/td>\n 5 V TTL<\/td>\n 5 V TTL<\/td>\n<\/tr>\n \n Maximum Frequency Measurement<\/td>\n 80 MHz<\/td>\n 80 MHz<\/td>\n<\/tr>\n \n Host Installation<\/td>\n Desktop \/ Industrial PC<\/td>\n \u0428\u0430\u0441\u0441\u0438 PXI Express<\/td>\n<\/tr>\n \n Part Number<\/td>\n 782351-01<\/td>\n 782352-01<\/td>\n<\/tr>\n \n Best Application<\/td>\n PC-Based Counter\/Timer Systems<\/td>\n Modular PXIe Test Systems<\/td>\n<\/tr>\n<\/table>\n PCIe-6612 vs Multifunction DAQ<\/h3>\n
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\n \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n PCIe-6612<\/th>\n Typical Multifunction DAQ<\/th>\n<\/tr>\n \n Primary Function<\/td>\n Counter \/ Timer<\/strong><\/td>\n Analog Measurement<\/td>\n<\/tr>\n \n Counter\/Timers<\/td>\n 8<\/strong><\/td>\n Typically Fewer<\/td>\n<\/tr>\n \n Frequency Measurement<\/td>\n Up to 80 MHz<\/strong><\/td>\n Device Dependent<\/td>\n<\/tr>\n \n Encoder Measurement<\/td>\n Primary Application<\/strong><\/td>\n Model Dependent<\/td>\n<\/tr>\n \n \u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/td>\n 40<\/td>\n Model Dependent<\/td>\n<\/tr>\n \n Analog Input<\/td>\n No<\/td>\n Typically Yes<\/strong><\/td>\n<\/tr>\n \n Analog Output<\/td>\n No<\/td>\n Model Dependent<\/td>\n<\/tr>\n \n Best Fit<\/td>\n Timing \/ Pulse \/ Encoder Measurement<\/td>\n General Data Acquisition<\/td>\n<\/tr>\n<\/table>\n PCIe-6612 vs Basic Digital I\/O Card<\/h3>\n
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\n \u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n PCIe-6612<\/th>\n Basic Digital I\/O<\/th>\n<\/tr>\n \n Static Digital I\/O<\/td>\n \u0414\u0430<\/td>\n \u0414\u0430<\/td>\n<\/tr>\n \n Hardware Counters<\/td>\n 8<\/strong><\/td>\n Often Limited<\/td>\n<\/tr>\n \n Frequency Measurement<\/td>\n Up to 80 MHz<\/strong><\/td>\n Usually Limited<\/td>\n<\/tr>\n \n Encoder Measurement<\/td>\n \u0414\u0430<\/strong><\/td>\n Usually Requires Software or Extra Hardware<\/td>\n<\/tr>\n \n Pulse Generation<\/td>\n Hardware Timed<\/strong><\/td>\n Model Dependent<\/td>\n<\/tr>\n \n Digital Debouncing<\/td>\n Programmable Filters<\/strong><\/td>\n Model Dependent<\/td>\n<\/tr>\n<\/table>\n DMA Data Transfer<\/h3>\n
68-Pin Connectivity<\/h3>\n
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BNC-2121 Applications<\/h3>\n
SCB-68A Applications<\/h3>\n
NI-DAQmx Integration<\/h3>\n
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LabVIEW Integration<\/h3>\n
Automated Test Applications<\/h3>\n
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Industrial Motion Measurement<\/h3>\n
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Scientific and Laboratory Measurement<\/h3>\n
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How to Choose a Counter\/Timer Device<\/h3>\n
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Industries<\/h3>\n
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Applications<\/h3>\n
Encoder Position Measurement<\/h4>\n
Frequency Measurement<\/h4>\n
Event Counting<\/h4>\n
Pulse-Width Measurement<\/h4>\n
Pulse and Pulse-Train Generation<\/h4>\n
Hardware-Timed Digital I\/O<\/h4>\n
Recommended Related Products<\/h3>\n
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\n PCIe-6612<\/strong><\/td>\n 8-counter PCI Express device with 40 digital I\/O lines and frequency measurement up to 80 MHz.<\/td>\n<\/tr>\n \n PXIe-6612<\/strong><\/td>\n PXI Express version providing closely related 8-counter and 40-DIO functionality for modular test systems.<\/td>\n<\/tr>\n \n PCI-6602<\/strong><\/td>\n Legacy PCI counter\/timer device for applications requiring multiple hardware counters in existing PCI systems.<\/td>\n<\/tr>\n \n PCI-6601<\/strong><\/td>\n Legacy counter\/timer device for lower-channel-count PCI measurement applications.<\/td>\n<\/tr>\n \n BNC-2121<\/strong><\/td>\n BNC connector block for convenient laboratory access to counter\/timer and digital signals.<\/td>\n<\/tr>\n \n SCB-68A<\/strong><\/td>\n Shielded connector block for wiring compatible PCIe-6612 digital and counter signals.<\/td>\n<\/tr>\n<\/table>\n Why Choose PCIe-6612?<\/h3>\n
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Frequently Asked Questions<\/h3>\n
What is the NI PCIe-6612?<\/h4>\n
What is the part number of PCIe-6612?<\/h4>\n
How many counters does PCIe-6612 have?<\/h4>\n
What is the maximum frequency measurement of PCIe-6612?<\/h4>\n
How many digital I\/O channels does PCIe-6612 provide?<\/h4>\n
What logic level does PCIe-6612 use?<\/h4>\n
Can PCIe-6612 measure an encoder?<\/h4>\n
Can PCIe-6612 measure frequency?<\/h4>\n
Can PCIe-6612 measure pulse width?<\/h4>\n
Can PCIe-6612 generate pulses?<\/h4>\n
Does PCIe-6612 support digital filtering?<\/h4>\n
Does PCIe-6612 support hardware-timed digital I\/O?<\/h4>\n
How many DMA transfers can PCIe-6612 perform?<\/h4>\n
What is the difference between PCIe-6612 and PXIe-6612?<\/h4>\n
Does PCIe-6612 have analog inputs?<\/h4>\n
Can PCIe-6612 control a motor directly?<\/h4>\n
What accessories can be used with PCIe-6612?<\/h4>\n
Is PCIe-6612 discontinued?<\/h4>\n
What should I check before purchasing PCIe-6612?<\/h4>\n
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\nNumber of Bidirectional Digital Channels: 40
\nLogic Levels And Range: 5 V TTL
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