数据采集设备
Yokogawa数据采集系统具备出众的灵活性和性能，能测量、显示、存储甚至促动各种物理和电气现象。高速DAQ系列在每个通道提供行业领先的信号调节、触发器、同步采样和码流。数采在工业记录仪非常适合多通道的静态、低速I/O记录，例如热电偶和压力传感器。示波记录仪集示波器和DAQ系统的优点于一身，采用巧妙的台式接口组装设计。
我们的示波记录仪是灵活、强大的多通道测试和测量解决方案，将高精度示波器和传统有纸图表记录仪的优点集于一身。Yokogawa的示波记录仪除了能在它的大显示屏上显示信号之外，还可以将信号保存到记录纸和/或存储介质中以便长期储存(如30天或更长)，此外它还可以捕捉并分析非常快的瞬变信号。
YOKOGAWA的高性能数据采集和记录系统，以及各种有纸和无纸记录仪能够满足您的不同记录需求。通用输入接受电压、热电偶和RTD信号，并能为记录跨度和单位标度提供最大的灵活性。
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侧面碰撞安全气囊的正时测试
行业应用:
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ABS动作期间的电池电压波动
行业应用:
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How to use built-in calculations to analyze motor rotor position and find the relative angle between the rotor and sensors such as encoders or resolvers.
行业应用:
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How can I capture data from motion sensors synchronized with other analog data? The Yokogawa ScopeCorder series of instruments feature input modules and functions to make this possible.
行业应用:
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DL950_Comprehensive_evaluation_of_vehicle_systems_using_real_signal
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DL950_Design_and_Evaluation_of_the_Electric_Power_Steering_EPS
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DL950_Switched_Mode_Power_Supply_Output_Monitoring
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DL950_Evaluation_of_ECU_and_InverterMotor
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感谢大家一直以来对横河产品的支持， 现通知下列便携式无纸记录仪自 2016-10-24 开始停止接受订单。
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《应用探索》是一份电子快讯，每两个月发布一期，向客户通报我们最新的新闻和产品应用。
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在经过2009年灾难之后，很多上市的测试仪器公司业务在2010年取得了高速增长。
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The maximum external HDD size is 1.5 TB.
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The 702911 and 702912 Logic Probes cannot be used with the DL750/DL750P. The logic probes were orginally designed to be used with the OR Series.
The SL1400 can use the 700986, 700987, 702911, 702912.
The DL750 can ...
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Please use the attached "Sampling Rate Table.xls" to help you determine the appropriate Record Length and Time/Div setting to achieve XYZ Sample/Sec Sample Rate. Keep in mind that there are limitations to the amount of ...
常见问题
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The /HD0 External HDD Interface and /HD1 Internal HDD options cannot be installed on the same instrument. When the internal HDD reaches capacity, it must transfer files to the PC to clear space before saving the next ...
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We have tested the following IRIG generator for compatibility with the DL850.
GPS200 (Masterclock)http://www.masterclock.com/products/gps200.phphttp://www.masterclock.com/popup/standard_antenna.htm
ES101 ...
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Unfortunately, it does not work for the files created on a DL750. It is a dedicated feature available only for the DL850/DL850V.
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Whether you are new to the DL850/DL850V ScopeCorder or it's been awhile since you last operated the instrument, the DL850 Self-Paced Student Workbook is a great getting started guide. It contains 18 step-by-step ...
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Yes, the following attached file contains sample C/C++ and Visual Basic programs for controlling the DL850/DL850V. You can also obtain the latest sample programs from the Software Downloads sections on y-Link.
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In most cases, all the DL750 modules will be compatible with the DL850 and SL1000.
However, there are some module which can be used with DL750 but cannot be used with DL850. These are typically the early DL750 modules ...
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Unfortunately, the DL850 is neither IVI nor LXI compliant and there are no drivers for either standards.
常见问题
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There are some modules which can be used with the DL750 but cannot be used with the DL850. This is due to the nature of the FPGA for that module, which cannot be interchanged between the DL750 and the DL850. During ...
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The AC Power Input in all Yokogawa instruments is designed as a 3-pin connection (one of which is a GND pin). In some parts of the world, PCs are sold with AC power cables that are 2-pin. Often times this means the ...
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The SL1000 doesn’t support offset summing like DLM2000. The SL1000 doesn't have offset hardware; instead, the vOffset variable is used to affect the displayed value only. So, using this parameter would have no ...
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The SL1000 has the following types of memory:
Internal Hard Drive: 40 GB Non-Volatile SRAM
Waveform Acquisition Memory: 128 MW or 256 MB Volatile RAM
Setup File Data Storage: 1 MB Volatile SRAM(Battery-Backup)
常见问题
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When making a WT230 RS232C connection using GateWT, please verify the following RS232C communication settings on the instrument: Mode = 488.2 Hand = 0 For = 0 Baud Rate = 9600 Terminator Cr+Lf Even though you can run ...
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The lowest possible device setting for sample rate on the DL850 is 5 Sa/sec. There are however, different methods that will allow you to achieve much lower sample rates which includes the use of an external clock, ...
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The DL series instruments are capable of measuring the delay between traces or the delay between channels. The measured output value can be displayed in either time or degree. To setup the DL850 to measure delay, follow ...
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Decimation is a technique used to reduce the total number of samples. You can use Xviewer to perform decimation on your waveform data files that have the WDF/WVF/ASCII CSV extension format. Decimation reduces the ...
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When using the Adjustment Software to adjust a WE7000 input module, the module should be installed in slot 2 of the main station. The slot labels on the WE Main Station begin with "0". Therefore, install the module in ...
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Unfortunately, we do not have an instruction manual describing the*.WDF file format structure like we did for the *.WVF files. However, we do provide a list of support options which will contain more details ...
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If your DL series oscilloscope is not measuring rise or fall time, it may be because you are attempting to measure asymmetric waveforms. It is not possible to perform automatic rise or fall time measurements on DL ...
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High Resolution mode can be used to remove high frequency noise and increase vertical resolution. It achieves this by increasing the number of effective bits per data to 12-bits through digital and bandwidth filters.
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Unbalanced, non-isolated inputs are single-ended amplifiers. These inputs are suitable for measurements where common mode voltages are extremely small or zero and measurements are referenced to GND.
Unbalanced, ...
常见问题
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Unfortunately we do not have any experience using the SL1000 Acquisition Software on a PC that has Symantec Endpoint Encryption Software (SEES) installed.
SEES is a storage encryption software that provides data ...
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The correct AC coupling test for the 720210 Analog Voltage module must be performed at 20 Hz.
The service manual, SMDL850-01EN_010 1st Ed, suggests that you perform the AC COUPLING test at 15 Hz. This is a typo and ...
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A Non-contact thermometer receives infrared rays without touching an object and measures the temperature by converting the amount of infrared rays. The object will radiate infrared rays from its surface (radiant ...
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In order to analyze the harmonics by the PLL synchronization, the maximum possible window width is automatically determined depending on the frequency of the fundamental wave of the input signal (fundamental frequency ...
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The following WE7000 modules have a issued calibration certificate:
707111/HE 100 MS/s Digital Oscilloscope Module
707121/HE 10 MHz Function Generator Module
707141/HE 10 Universal Counter Module
707241/HE 10-Ch, ...
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The warranty period is 1 year for the main instrument, modules, and cards (accessories are not covered by warranty). In the unlikely event that a device should fail during the warranty period, repair will be provided ...
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At present, a separate DC/AC inverter is required. In case of the WE800 measurement station (eight slots), it has a maximum power consumption of 550VA.
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The lag time from the external terminal to the bus trigger / time base is as follows:When inputting from TRIG IN:TRIG IN -> bus trigger signal : 40 ns (typical value)TRIG IN -> time base signal : 25 ns (typical ...
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Simultaneous measurement is possible by making use of the station's internal arming signal. The lag in start timing between each module would be 10 ms or less. (Some modules do not allow connection to the arming signal.)
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The WE7241 digital temperature measurement module can measure up to ±50V. The WE7271/WE7272 4-CH, 100 kS/s Isolation digitizer module up to ±35V. The WE7275 2-CH, 1 MS/s Digitizer module accepts up to ±350V.
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Yes, you can set the range for each channel.
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You can perform continuous measurement using the digitizer module's Free Run mode. However, data transmission speeds are limited. Please consult your sales representative for details. They can tell you whether data ...
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Yes, you can detect the trigger conditions of the input signal with the module, output the result once to the trigger bus of the measuring station, then send back the result from the OR and AND operation once more to ...
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The sampling interval changes with the type of time base and the number of measurement channels per module. There are two possible methods:
If Time base = internal Number of channels : 1-2 = 0.2 s, 3-5 = 0.3 s, 6-7 ...
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The WE7275 2-CH, 1 MS/s isolated digitizer module comes with an up-to-40 kHz anti-aliasing filter. Also, each digitizer module (WE7275/WE7271/WE7272/WE7251/WE7245) includes a low-pass filter. The cut-off frequency ...
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Yes, AC coupling is supported with the WE7275 2-CH, 1 MS/s Isolated digitizer module.
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For high-speed data recording in trigger mode/gate mode, the digitizer module is equipped with internal memory to store measurement data in order to record reliable data without receiving any effects of the load ...
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The update cycle changes depending on the acquisition mode and the gate time during frequency measurement. When the acquisition mode is One Shot, the update cycle is approximately 0.5-1 seconds. However for frequency ...
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Contact input/output is possible using the WE7262 32-bit Digital input/output module's 707823/707824 16-bit Digital input/output terminal box.
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The input connectors are different, the WE7271 has a clamp type terminal, and the WE7272 has a BNC terminal. Also, the maximum common mode voltage, and maximum voltage between channels vary in their specifications ...
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The output connectors are different. The WE7281 has a clamp type terminal, and the WE7282 has a BNC terminal. Also, the maximum common mode voltage, and maximum voltage between channels etc. vary in their specifications ...
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Yes, you can use a 100Base-TX/10Base-T with the WE7052 Fast Ethernet Module.
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The WE7052 Fast Ethernet module supports automatic selection (AUTO NEGOTIATION) of communication speed and communication method. Manual setting is possible for connecting with an instrument that doesn't have the AUTO ...
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Yes, the WE7052 Fast Ethernet module supports DHCP. However, you must have the WE7000 control software ver. 4 or later.
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Yes, you can use the WE7051 Ethernet module (10Base-T) and the WE7052 Fast Ethernet module (100Base-TX/10Base-T) together.
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Yes, you can bypass the router (subnet) and connect using the WE7000 control software ver. 4 and later. However, this is limited to the WE7052 Fast Ethernet module.
常见问题
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Connection made by a cross cable does not comply with Ethernet standards. For reliable data communications, please use a hub when you want to make a direct connection to a PC.
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Yokogawa offers the PCI and ISA bus cards, and within each of those there are 1-port and 2-port types.
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The optical interface cards and modules for the WE7031/WE7032/WE7033/WE7034 instruments and the new modules for the WE7035/WE7036/WE7037/WE7038 including cables, are cross compatible.
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Within the protocol system, TCP and UDP (short for "User Datagram Protocol" which puts a priority on high-speed) both occupy the high rank of IP, but differ in use and function. Generally speaking, however, when we use ...
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Microsoft(R) Excel 97 and 2000 only.
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Yes, you can perform waveform calculations in real time through the 707702 Computation Function Setup Software. y creating arithmetic expressions, you can perform calculations with the 4 basic arithmetic operators, ...
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Yes, there is a software called the 707751 Arbitrary Waveform Editor. You can create waveforms using the editor's standard functions or with the mouse. You can read in files created in CSV, or in Yokogawa's proprietary ...
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You can select whether to save files in binary (WVF format) or ASCII (CSV format). WVF is Yokogawa's proprietary format. CSV format can be read by popular spreadsheet programs.
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To use the waveform parameter Measure function or the computation Math function, you need the 707702 Computation Function Setup Software. In the case of the WE7111, you can perform waveform parameter automatic ...
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If you are using serial communication or ethernet to connect the WE7000 Control Software to the PC, it is necessary to create a shortcut with a start option added to the end of the shortcut target. For WE control ...
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After entering the communications settings with serial communications, use the main power switch on the back of the measuring instrument to perform a power cycle. Also, in the MS DOS prompt window, try executing the ...
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You must wait at least five seconds after turning the main power switch OFF before turning it back ON again. Please do not switch the power OFF and ON in less than 5 seconds.
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If you wish to install a fiber optic card in a PC with a lack of available IRQs, you can reserve a PCI slot in the PC BIOS which frees up an IRQ and allows you to use the card. However, this method may not work on all ...
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Yes, however the communication drivers are different so you will need a new driver for the WE7035/WE7036 optical interface card. The driver is located on the WE7000 Control Software CD ROM Ver. 3.1.2 and later or you ...
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You must wait at least five seconds after turning the power switch to the measuring instrument OFF before turning it back ON again. If you wait less than five seconds, there is a possibility for a malfunction to occur ...
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The minimum record length which can be input is limited such that "record length x sampling interval" must be 5 milliseconds or more. When you set the record length to a value smaller than this it automatically changes ...
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The external trigger input (TRIG IN) as well as external input/output (EXT. I/O) trigger signal becomes the level signal. The WE7251/WE7271 digitizer module will detect the bus trigger by that level. As long as the ...
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You must use a probe with a attenuator of "10:1", otherwise the self test will not run correctly. Also, before executing the self-test, please allow for a 30 minutes warm-up time. If the instrument does not warm up, the ...
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With either the WE7141 100 MHz universal counter module or the WE7261/WE7262 32-bit digital I/O module, if you are performing continuous measurements with more than three of the same modules you must set the sampling ...
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In free run mode, the execution timing is different depending on the type of computation. In the case of computations such as FFT, Filter, pulse width, etc. various data are arranged in a chronological direction.
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The Time Axis Accuracy is the accuracy of the A/D clock. It is not possible to directly measure the A/D clock and the A/D clock is not output from the DL850/SL1400. To verify the accuracy of the A/D clock, you will ...
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Question:If the DL9000 is in normal trigger mode and no waveform acquisitions have been made i.e. the scope has not triggered, a query to the instrument using the :Waveform:Record or :History:Record? Minimum it returns ...
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Frequency to Voltage Conversion
Problem:
A transducer produces a sine-wave output dependant on the voltage-input; here is how to decode that output with a scope or a ScopeCorder.
For 3kV input, the transducer ...
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The DL850 can be installed with one of the following language options:JapaneseEnglishChineseKoreanGermanFrenchItalianSpanishRussianFor the English (-HE) model, the menu and message language can be changed in the UTLITY ...
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The free software DL-GATE can be used for the following products only:DL1700E seriesDL7400 series (firmware version after 1.32)DL1600 series (firmware version after 1.13)DL750 series (firmware version after ...
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How to use SNTP on DL850 The sequence below is very important for SNTP to work properly.1. Set DATE/TIME and GMT Time Difference to your location FIRST. EDT is -4 hours, EDT is -5 hours - as examples. 2. Set a SNTP ...
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The sanitation procedure for various Yokogawa oscilloscopes have been documented below. Please download the document or pdf that refers to your Yokogawa oscilloscope.
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No, the SL1000 and 720210 service manual does not include any adjustment procedures however, it does contain the inspection procedure (QIS).
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To perform a shunt calibration using the 701271 strain gage module and the ScopeCorder, please complete the following procedures:
Connect the strain module 701271, bridge head 701957/701958 and the strain ...
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The maximum total file size you can record continuously depends on your sample rate, channel count and storage capacity.
Please see the attached PDF file for an example of recording settings.Note: The dead-time between ...
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The SL1000 is capable of transferring previous data sets/files while streaming is still in progress through the File Divide feature. When the SL1000 starts recording, it opens a new file and starts logging data. If the ...
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Depending on the mode, the dead time may range from 0 to 10ms approximately. The dead time for the different modes are listed below.
Free Run Mode: 0ms
Normal Mode without HDD recording: 10ms
Normal Mode with HDD ...
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Yes, VXI-11 is required and needs to be enabled for the DLM2000 to connect properly to Xviewer when using an ethernet connection. If the VXI-11 option is unchecked, a connection failed message will appear.
Related ...
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One possible solution is to use a third party 10:1 attenuator such as the one shown in the attached document. You may use the attenuator to allow the direct input of higher voltage levels with the 701262 module, since ...
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The SL1000 is capable of linking up to 8 units, up to 128ch max, in synchronized mode using our SL1000 Acquisition Software. Using a common LINK file, data from all units can be processed and analyzed, as one, at the ...
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Xviewer may only be used to view and analyze data saved by the SL1000, it cannot be used to remotely control the SL1000. You can also transfer files between the SL1000 and a PC. For the SL1000, Xviewer can support ...
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Please see the attached document.
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Yes you can load the setup files *.WES that was saved using the older version of the WE Control Software onto the newer version of the WE Control Software. Please follow the procedures listed in the attached PDF file.
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Please follow the procedures listed in the attached document for instructions on how to update the firmware on the SL1000.
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In the oscilloscope's QIS (Quality Inspection Standards), the "beat method" can be used to inspect and verify the time base accuracy. The "beat method" utilizes the aliasing effect to create a "beat waveform." The "beat ...
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Yes, Xviewer has the capability of opening multiple files from different DL, SL, and WE series instruments into a single window display. The only requirement for viewing files from different products is that the sample ...
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Question:
I would like to confirm DC Precision when changing the position setting on DL1600. According to the specification of vertical (voltage) axis accuracy, in the case that voltage axis is set to 0.5 V/div:
DC ...
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The Gage Factor setting for the 701271 Strain Input Module can be directly inputted within the range of 1.90 to 2.20. However, it is possible to indirectly set the Gage Factor to a larger value by setting the constant ...
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You can express any arbitrary exponentiation, in Xviewer or DL series instruments, by using the LOG (common logarithm) and EXP (exponential) functions. For example, for C1 raised to the exponent of 0.2, the math ...
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The Offset function is used to set the vertical position of a waveform and is defined by a voltage value (V). The Position function is used to set the horizontal location of a waveform and is defined by a division ...
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Even though the correct USB drivers have been installed, and the device displays correctly in the Windows Device Manager Window, the SL1000 Acquisition Software fails to detect the SL1000 main unit. Solutions:
Verify ...
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Yes, you can use the 700929 isolated probe with non-isolated input modules.
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If during the DL850/DL850 firmware upgrade process, the display screen turns black, blue, or something in between and the installation failed, please complete the following steps. You will need a USB printer cable to ...
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The DL850/DL850V cannot be set to 100ns/div when the following modules are installed:
720240 CAN Bus Monitoring Module
720220 16 Channel Voltage Input Module
Removing these modules permits the DL850/DL850V to be ...
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The lowest, guaranteed operating temperature covered under warranty is 5°C.
The lowest, guaranteed storage temperature covered under warranty is -20°C.Unfortunately, we have no practical way of determining which ...
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The largest flash drive size that can be detected by the DL850 is 16 GB. The largest external hard drive size that can be detected by the DL850 is 1.5 TB.
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To determine the start and end point of the zoom box, issue the following commands:
:WAVEFORM:START
:WAVEFORM:END
:ZOOM:POSITION?
:ZOOM:MAG?
:ZOOM:POSITION1?
:ZOOM:MAG1?
:WAVEFORM:LENGTH?
You can then calculate the ...
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Please download and view the attached QIS document for detailed calibration procedures for the 720240 CAN bus monitor module. In addition, the "720240 Settings.doc" has step-by-step screenshots on the settings you will ...
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In terms of display resolution, the 720210 and 701250 modules (12-bit) are equivalent to a 4 digit DMM. The 701262 module (16-bit) is equivalent to a 5 digit DMM. However, in terms of DC accuracy, the 720210 and 701250 ...
常见问题
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If you discover that your waveform data/trace or some channels have disappeared from the DL850/DL850V or Xviewer when you re-load the WDF data file, this is normal behaviour due to an incomplete acquisition.
For ...
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No, it is not possible to use the WDF File Access API in LabView to read *.WDF files.
Although LabVIEW can use and access DLLs, there is a special function in the WDF File Access API called WdfGetSacleWave64, which ...
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The formula for calculating the file size for a Binary type (with *.WDF extension) is: File Size = 805kB + (DataLength*ChannelCount*HistoryCount*2) where 805kB is the ...
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No, MATLAB cannot use the WDF File Access API to read *.WDF files.There is a special function in the WDF File Access API called WdfGetSacleWave64, which is used to read the data from the *.WDF file. This command uses ...
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This method will not work as the signal waveform would be very distorted. The coax acts as a heavy shunt-capacitance at the 'output' jack of the passive probe circuit. As a result, this excessive shunt-capacitance ...
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Unfortunately it is not possible to convert a .WVF file to a .WDF file. A .WVF file saved by a DL750 can only be loaded in Xviewer or a DL750.
Xviewer is capable of loading both .WVF and .WDF file formats.
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No, if you send commands simultaneously from another communications interface, that has not been selected on the DL850/DL850V, the instrument will not execute the commands properly.
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If the files saved on the DL850 do not appear on the PC, please disconnect and reconnect the USB connection from the DL850 to the PC.This behavior is normal for Windows based operating systems including Windows XP, ...
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The measured output response time of the 701260 Analog Voltage Input Module, when observing RMS is:
Rising (0 to 90% of 10 div): 100ms
Falling (100 to 10% of 10 div): 250ms
An attached JPEG displays the results of ...
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For the 701280 Frequency Input Module with a 4th order IIR 6Hz lowpass filter, a 60Hz sine wave (FM modulated with a square wave) was measured with deviations of ± 3Hz. Please download and view the attached image for ...
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The attached file contains an Excel spreadsheet with an API that will query data from the DL850 via USB, to obtain and display the Time/Div setting. To use the Excel API, follow these procedures:
Download and extract ...
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Xviewer can be used to calculate various power analysis measurements such as power factor, real power, reactive power, and apparent power. Two sample waveforms are available in the attached zip file, and should be used ...
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The Delay Measurement value is a Fixed-Point Number.The Delay Measurement feature on the DL850 comes in two modes, Time and Degree. The output of the Delay Measurement feature is a time-based value and not an amplitude ...
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The DL850 is capable of linearizing an input signal using the Polynomial Feature in the /G3 Realtime Math option. The polynomial feature performs a fourth order polynomial calculation on the selected source waveform. To ...
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To set the DL850 in Roll Mode, turn the Time/Div knob until it is set to 100msec/Div or longer. If the Time/Div is set to 1Hr/Div or longer, waveform scrolling can be difficult to observe in real-time. This is due ...
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Please make sure you have the latest version of Xviewer installed.
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The DL850 G3 Power Measurement option can be used to calculate the power of a Sinusoid-Current Burst. Please download and view image for a screenshot demonstration of the DL850 G3 Power Function.The firmware version of ...
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It is not necessary to perform deskew on a DL850 when using a current probe. The DL850 does have enough resolution to perform deskew and will not be able to find the time offset.
Typically the deskew value ranges from ...
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For the DL850 G3 Frequency Function, you will need to set the hysterisis of the edges that are used to detect the periods. This will increase the tolerance for noise and improve measurement reliability.To configure ...
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Unfortunately Xviewer is not a client-server type software and it is not recommended to run Xviewer on a Windows Server based OS. Xviewer needs to be installed on a client PC to operate without issue. We cannot ...
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The DL850 can save measured waveform data to a file in Binary, ASCII, or Floating Point format. You can use the FILE Waveform Save Menu or the SAVE MENU menu to set how files are saved.To save using the SAVE MENU ...
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Unfortunately there is no way to read these warning messages on the DL750. In addition, there is no other command available to determine if there was "No Matching Record" found in History for a particular ZONE ...
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To determine the exact trigger time of the waveform acquisition, use the ":HISTORY:TIME? 0" command, where 0 refers to the latest acquisition record.To determine the exact trigger sample number, use the ...
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The new 700929 isolation probe has two new parts: Safety Plug-on clip B9940WX and Safety Clip Lead B8023ZC. The old 700929 isolation probe only has one part, the Pincher Tip B9940WH. Please refer to the attached PDF ...
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If the only active module in the DL850 Chassis is the 720220 16 Channel Voltage Module, the waveform data file (ASCII or WDF) will NOT contain repeated samples. If multiple modules, including the 720220, are installed ...
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Please download and view the attached PowerPoint presentation for a comprehensive guide on how to operate the DL850 Dual Capture mode.
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Error(Code:539)Press ESC Key to Close.Module configuration is not matched, so it couldn’t loaded.Configuration of saved data can see by File property.The following error is ...
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On the DL850, the list starts with #0000 and corresponds to the last triggered waveform captured. The next entry, #0001, corresponds to the first triggered waveform captured and proceeds to list the captured waveforms ...
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Using the DL850, the waveform data was directly saved as an ASCII file in the *.CSV and *.WDF file format (NOT an Xviewer conversion). The sample files that have been provided contain the same waveform data, which is a ...
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If you wish to view the timestamp data in high resolution, you will need to open the *.CSV file with Notepad or Wordpad. If you use Microsoft Excel to open the file, Excel will round the timestamp data, preventing you ...
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The correct syntax for implementing the Atan function on the DL850 is ATAN(C1).There is a typo in the DL850 IMDL85001EN 4thEd Features Guide, ATAN(C1,C2) is in-correct. However, the syntax for the DL750 IS ...
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Noise or glitches occurring on the unterminated input sub-channel for the 720221 module is normal.
You must install a short-circuit jumper on the input terminal which is not used. The wave becomes GND level and ...
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When viewing the ASCII Header File *.HDR, each timestamp row corresponds to the time a trigger occurs. Multiple timestamp rows will be created if the trigger mode is set to Single(N) and History is set to "All." ...
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You can superimpose a previous acquisition onto the current acquisition through the Snapshot feature on the DL850. You may also consider using Go/No-Go testing, as long as the requirement for a reference waveform is ...
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There are a number of reasons as to why the ScopeCorder does not detect or format your eSATA drive. Please verify the following conditions:
Cable connections are secure
Connect either SATA or USB cable
Connect and ...
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There are limitations to the CSV format which can be read by the arbitrary waveform editor. It can only read CSV format if the values are arranged in a single column. In the case of CSV files converted from wvf format ...
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The DL850 FLD file extension contains the acquired waveform data in IEEE 32-bit floating point format. You can analyze the floating point format using the low-level file I/O commands in MATLAB. FLD file format contains ...
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Please see the attached "DL850 Wave Window FAQ.zip" for detailed instructions and setup feature explanations. There is also a wave window FAQ discussion included in the zip file.
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Please download and see the attached DL850 IRIG Tutorial presentation.
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If the DL850 WDF file was saved through the hard disk recording feature (HD Recording), then the file may be recovered by using the Finalize feature in Xviewer File Utility. Files that were saved through the normal ...
常见问题
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Yes the operating temperature range of the individual modules is the same as the operating temperature range of the DL850/DL750 main chassis unit.
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No, this "calibration" does not refer to the ScopeCorders Auto-Cal feature. When the Auto-Cal function is set to OFF, the ScopeCorder will not automatically calibrate after a 30 minute warm-up period. You must do a ...
常见问题
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No, the Standard Operating Conditions are not equivalent to the compensated temperature range. The unit's accuracy specifications are valid when operated within the Standard Operating Conditions and when the temperature ...
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If there is a temperature coefficient listed in the specifications of the instrument's user manual, that coefficient is to be applied in the following conditions:
The unit is calibrated within the Standard Operating ...
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The 701280 frequency input module measures only time domain values, it does not measure any voltage or any amplitude domain value. Since the temperature coefficients are only applied to the amplitude domain value, the ...
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Yes, you can use GPIB to remotely control the DL850/DL850 using Xviewer or LabVIEW and have the scope save data onto a shared network drive using the Ethernet interface.
常见问题
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There is no limitation. A single DL850 unit can support 128 channels.
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The power source is switched automatically when AC and DC are used simultaneously. AC is given priority. The DC input can be used as a backup power supply. If the AC power goes down, the DL850V /DC instantly switches to ...
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INTEG1 vs INTEG2 - as demonstrated on DL850 G3
Examples of two different ways to INTEGRATE on the DL850/G3 DSP.
One attachment.
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Can Xviewer.exe be run as multiple instance?
No - not at this time.
Xviewer can not control two or more DL850 chassis.
Xviewer can not connect to two or more instruments at the same time.
Two or more Xviewer ...
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What is Blocknumber and Blocksize in a DL750 ASCII Header?
(example attached)
The “BlockNumber” relates to the number of records (acquisitions) you saved to the binary file.
EXAMPLE: if you saved 2 ...
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How does the DL750 save Logic data for MATLAB?
Unfortunately, the format of .wvf files (from a DL750) is not open to the end-user. Also, the MATLAB tool kit for DL series (701991) and WVF file access API (707712) ...
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Unable to connect to DL850 via GPIB after a WDF file is loaded into acquisition memory.
This is a confirmed issue and exists only when using GPIB.
(Ethernet and USB do not exhibit this behaviour.)
Solution: ...
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DL850 .WDF File will not open with Xviewer 1.64
Solution: Please update to latest version (now at version 1.72).
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Load File Failed when using DL850 with eSATA external HDD
This can occur when power is lost during recording, HDD was disconnected, etc.
Solution:
It is possible to recover that file using the Xviewer File ...
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What is Algorithim for Xviewer's PP Compression?
PP Compression is peak-peak compression ... and it is an option when you save a waveform data file (WVF or WDF).
When you select the PP Comp option, Xviewer saves ...
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DL850 - How to maximize repeatability of Phase Measurements
Use a direct-input if possible; this will remove the delay due to passive-probes 700929 being different between a pair of input channels (in phase ...
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What is the temperature range of the 700929?
The operation temperature for the 700929 is from 5 degree C to 40 degree C. (It is same range for DL850/DL750 mainframe.)
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Can I buy a ground clip for my new-style 700929? Two part numbers required for new-style probe: NEW STYLE features/requires two pieces: ground ref clip and safety plug-on clip. B9940WX Clip, plug-on, ...
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701260 Calibration Procedure Typo
This should be "+1V +/- 2.5mV" and "0V +/-2.5mV". The service manuals for DL750 and for SL1400 have same mistakes in writing.
one attachment
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Can Xviewer decode RPM from a pulse-train?
I recommend using a Freq module for this - becuase it has many advantages;
However, in a pinch, Xviewer could be used to do this:
RPM = Frequency divided by ...
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What does VARIABLE feature do on DL750?
In terms of using VARIABLE on your input channel; it is a display-value feature - not a resolution feature.
the A/D on the front-end still uses the V/Div which you had ...
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DL750 web server with IE8 and Windows XP 32bit OS
If IE8 cannot load the DL750 WebServer, and the runtime has been installed:
In Internet Explorer, add the IP of the DL750 URL to the list of "Trusted Sites" ..
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My DL750 HDD RECORDING "REALTIME" Files are missing. Please help. (Or: You need to locate them and move them to my PC via USB THUMB DRIVE.) DL750 REALTIME FILES ".WDF Files" are not visible on the DL750 HDD ...
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Do you have a specification for the DL750 realtime clock in terms of accuracy and drift ?
There is no specification for the realtime clock on DL750.In the worst case, this clock drifts about 10 minute in one month ...
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My DL750 Ethernet Port is not visible.
First, Press UTILITY and then OVERVIEW .. and Ethernet will be listed as an option on that unit.
If it is listed there, you can pry the plastic cover out with a very small ...
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Marker cursor and Measure function do not work simultaneously
Unfortunately, this is true;
We can not use the Measure function and the Cursor function at the same time in legacy DL such as DL750; (DLM2000 and DL850 ...
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How to trigger DL850 with a hand-switch
The DL850 is pulled-to 5V internally; a TTL signal going-low will trigger it naturally (pulling it to LOW); likewise, it can trigger on either the rising or the falling edge of ...
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DL750 Version 6.xx File (WVF/HDR) Auto-Naming Not Working with NetDrive
(The first file will write correctly .. but auto-naming will not work properly after that)
This issue has been confirmed when using MICROSOFT ...
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How to trigger on a CAN ID using DL850
A starndard DL850 cannot provide a CAN trigger … but the feature added is “CAN ID” a new operator added in Realtime.
The CAN ID G3 operator uses an ANALOG input as the ...
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Putting a SPACE after a .WDF file extension - and the WDF will not load into the DL850
Example1: "FILENAME.WDF" is a normal filename and will re-load properly into DL850 Version 2.05
Example2: "FILENAME.WDF_" ...
常见问题
概览:
Please see the attachment file for more details.
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For a strain gage factor greater than 2.20, please set the strain gage factor to 2.0 and use linear scaling. Refer to the example below. For X > 2.20: - set gage factor of strain module to 2.00 - set ...
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The common mode isolation voltage 300V is available for both, between channels in the same module and channels in different modules.
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The DL750 does not support encrypted USB thumb drives. Please use non-encrypted USB thumb drives to save waveform data or other data files.
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Unfortunately the DL750 cannot survive an automobile crash. The vibration testing on the DL750 verifies the x-y-z axis at about 0.1G at random.
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Yes, it is possible to synchronize more than 3 DL750's by using the trigger signal, in a one-to-one connection method, as long as the limits of the delay time is not exceeded. Example Configuration:DL750 [TRIG ...
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No, as described in the service manual, either the 701250/701255 10 MS/sec or the 720210 100 MS/sec modules is required for time base calibration.
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The isolation module specifications for maximum allowable common mode voltage using direct input is 42V(DC+ACpeak). The maximum allowable common mode voltage using the 701901(1:1) safety cable is 400V or ...
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To turn any unused channels OFF on the 720220 module, please select OFF in the Coupling menu.
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The V Scale SPAN mode on the DL850 can be used to adjust the upper and lower display limits of the zoom window. To optimize the V Scale SPAN mode to make the best resolution measurements, follow the procedures listed ...
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Yes, to provide safety and isolation to sensitive test points please use the following banana jack adaptors:
M1223WP-A Push-on Safety Male Banana Plug
M1223WQ-A Banana Plug Reference Lead
We also provide various ...
概览:
The following eSATA and USB external hard drives are compatible with the ScopeCorder:
Buffalo HD-HS500SU2 500GB
IOMEGA LPHD080-U 80GB
ELECOM LaCie d2 quadra LCH-2D1TQ 1TB
IO DATA RHD-UX1.0T 1TB
Logitec ...
概览:
To open the CSV ASCII file saved by your ScopeCorder:
Start Xviewer
Open a New Viewer Window
Drag and drop your CSV file into the empty viewer window
Additional Note:ScopeCorder refers to the DL750/DL750P, ...
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Please see the attachment "Self-Paced Exercises for SL1400.PDF" for a set of easy exercises suitable for the SL1400 beginner.
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Making a reverse polarity connection of DC power to the DL750 with the DC power supply option will not damage the unit. The DL750 has a built-in protection circuit that will prevent damage to the unit in this ...
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Unfortunately, waveform data saved by Xviewer in the *.WVF, *.CSV, or *.FLD format cannot be loaded onto DL series instruments.
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Unfortunately, the header file .HDR saved by the ScopeCorder does not contain the instrument settings. If the .WVF and .HDR file pair was saved by the DL750/DL750P/SL1400, you may reload the WVF file back into the ...
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Port #10,001 needs to be opened via your firewall in order to connect WirePuller with the DL750. A through-firewall connection may also be required for port-forwarding.
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The following softwares have been tested for Windows 7 compatibility.
WTViewer
Xviewer
SL1000 Acquisition Software
USB Instrument Drivers for all USB supported instruments
TMCTL Library Files for programming with VB, ...
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The maximum number of 720230 Logic Input Modules that can be installed on the DL850 is 8 or 128 logic bits.
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The bandwidth for the 720210 100 MS/s is 20Mhz.
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The maximum recording time (observation time) of the DL850/DL850V in normal mode or real time recording mode is 30 days.
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The only difference is that the CAN bus monitor module works with the DL850V only and the front panel sheet color is different.
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Yes, there is a modification kit to modify the DL850 to DL850V. Please contact your nearest Yokogawa representative for more details.
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No, the 16 Channel Voltage Input Module cannot be used to measure temperature.
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There are no dedicated probe for the 720240 CAN bus monitoring module. The module requires a direct input D-sub 9 pin connector cable.
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The number of each module that can be placed in a DL850 is limited to a maximum of:
Voltage Scanner Module: 8
CAN Bus Monitoring Module: 2 (must be installed in slot 7 & 8)
Logic Input Module: 8
100 MS/sec Module: 4 ...
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No, the DL850/DL850V does not have a chart recorder mode.
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Yes, the DL850/DL850V will work with a solid-state eSATA external HDD.
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No, the DL850 / DL850V does not have an acquisition memory backup battery.
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The On Start Trigger Mode (Log Mode for the DL750) will perform a single waveform acqusition immediately when you press the START key.
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Yes, please use an IRIG timecode generator with a GPS clock source.
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Yes, Xviewer can be used to display the waveform data from multiple DL850's into a single window display with the data synchronized over time.
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The DL850 realtime file divide feature enables you to record long waveform acquisitions (realtime) divided into blocks of smaller files. Each file block can be 2GB in file size. You can specify the number of files that ...
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GigaZoom II is a display processor implemented via architectural technology on an FPGA.
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Yes, the IRIG B feature can synchronize the clocks of several DL850s in one location.
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Yes, the IRIG B feature does allow the synchronous clock operation of multiple DL850's in several locations. It will require an IRIG generator with a GPS source.
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Yes, please use the trigger in/out function or the time trigger to synchronize the trigger input to each DL850.
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You can input up to 16 characters in a waveform label, but the DL850 will only display 8 characters max.
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The maximum compatible eSATA external HDD size is 1.5 TB. The external HDD recording function performs the same as the internal HDD. The actual data transfer for internal and external HDD is 3.2 MB/s.
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No, the DL850/DL850V can only stream realtime data to an external hard drive or the internal hard drive.
概览:
轻松应对超高级标准的温度测试，智能化的横河SMARTDAC+ GP便携式数据采集站值得信赖。
产品展示
入门指南
概览:
Using the DL350 Memory Recorder Mode Easy Setup, combined with a 16-channel thermocouple input, it's easy to record hours, days, or weeks of data with a few simple settings.
