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Web Services
Turn Your DL750P into a Web Server
The DL750P can function as an independent Web server. Connect to your DL750P directly using Internet Explorer, and access a variety of services.
FTP
\Easily copy and paste files to and from a PC from the internal flash memory drive and other internal storage media. You don't have to use a separate program to transfer the data.
Ethernet (optional)
Connecting to a PC
Web Server With an Ethenet connection, you can perform various functions using Internet Explorer.
Web Server and FTP Server
The DL750 has a variety of server functions that let you perform remote control or download waveform data and screen images onto a PC. You can also access the DL750 through standard PC software like Internet Explorer and Windows Explorer.
Just as for RS232 and GB-IB, you can write your own custom programs in Visual C++ 6.0 or Visual Basic 6.0 to control the DL750 through a USB interface.
PC communications are made easy with the Waveform Viewer and Wirepullersoftware programs.
USB Connectivity
Connecting to a PC
(Supported operating systems: Windows 98 SE, Windows 2000 Pro, Windows Me)
Just as for RS232 and GB-IB, you can write your own custom programs in Visual C++ 6.0 or Visual Basic 6.0 to control the DL750 through a USB interface.
PC communications are made easy with the Waveform Viewer and Wirepuller software programs.
Connecting USB Peripheral Equipment
USB keyboards and USB printers can be directly connected to the DL750.
Data Capture
Download screen images periodically or manually. Download waveform data, start or stop a measurement, or setup a split display by using this menu.
Measurement Trend
This function downloads values of waveform parameters periodically, activates MS Excel automatically, and graphs the calculated values on the PC. This enables you to check the parameter trends at a glance.
For AC and DC Input
Adding this option enables the DL750P to be run under DC power (10-18 V) as well as AC power (100-120 V/200-240 V). This allows the instrument to be used not only for in-vehicle measurements, but also in a wide range of other testing locations. The power source is switched automatically (when AC and DC are used simultaneously, AC is given priority).
Thin Profile
The DC Power Box is only 20 millimeters wide, and weighs 800 grams.
DC Power Box fits compactly on the rear panel (fits within the height of the feet of the DL. The DL can still be placed on its back with the option installed.
A Power Supply Backup System for Long Duration Observations
Simultaneous input of AC and DC power prevents loss of data when making observations over long periods of time (requires an external DC source such as a car battery). The DC input can be used as a backup power supply. If the AC power goes down, the DL instantly switches to DC input without interrupting the measurement.
Low Power Consumption
This option provides lower power consumption than when using an external DC/AC converter. This results in higher efficiency and significantly lower power consumption.
Approximately 60 VA (typical value for 8 CH/10 MS/s)3
Approximately 80 VA (typical value for 16 CH/10 MS/s)3
Low Emission Noise
Emission noise is greatly reduced compared with using an external DC/AC converter. High voltage switching noise is no longer a problem.
Two Cable and Connector Options
Low profile DC power
supply connector
(D-sub, 3 pin)
701970 DC Power Supply Cable
(cigarette lighter plug type)
701971 DC Power Supply Cable (alligator clip type)
B8023WZ DC Power Supply Connector (D-sub 3 pin/solder type)
Voice Memo Function
Enables You Record and Playback 2 Type of Voice Data:
Voice Memo
Simply press a switch to record your voice while simultaneously recording waveforms. Make multiple recordings per waveform (100 seconds total, min. 3 seconds per recording)
Voice Comment
Record and save an explanatory comment (approx. 3-10 seconds) together with your image files.
IMAGE SAVE Key and Thumbnail Screen Images
Simply press the IMAGE SAVE key to save image data to a CompactFlash card or other storage media. Saved screen image data (PNG, JPEG, BMP or PostScript format) can be displayed on the DL750's screen (as thumbnails). This lets you check needed data immediately when preparing a report. The PRINT key lets you output images to the internal printer, a USB printer, or a network printer.
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- Ch- DSP channel (optional)
- Wave window trigger
- Up to 16 analog channels and 16-bit logic input
- Up to 1 GigaWord total memory
- GIGAZoom function
- for Instantaneous Full-Length Display of 1 GW of Data
- full-length display and instantaneous zooming (to user-specified length)
- DualCapture function
- Voice memo function
- Cycle statistical calculation
- Floppy drive, ZIP disk and PC card drive available
- 30-GB internal hard drive (optional)
- Frequency Module & Acceleration/Voltage Module New!
- DC12 V power supply input option New!
- Chart Recorder Function
- Automatic recording to memory
During real-time printing, the DL750P also automatically records the waveforms to memory in the background. Up to approximately 10 meters (1000 div) can be saved.
- "Reprint" function
Once measurement complated, you can change the print format, length, or other parameters and print the data again. The Reprint function means never worrying about printer failure or running out of paper.
- Check results immediately while on site
High speed printer outputs an A4 size sheet in approximately 15 seconds (20 mm/sec
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Prints XY Plots in High Resolution
- Includes dedicated mode for emulating an XY recorder (XY Recorder mode)
- Prints A4 size plots (200 mm x 200 mm) in high resolution
- Prints up to 4 pairs(of waveforms) at the same time
- Replaces XY recorders
- Print only what you need
- Using the DL750P's GigaZoom function, you can instantly print out only the portions of waveforms that you need, saving paper.
- Set chart speed, chart length, and other settings in menu just like a chart recorder
- GigaZoom function + A4 Printer
- The GigaZoomEngine instantly displays up to 1 GW of data and zoom windows at the same time
- Print any length of the zoomed waveforms in high resolution "Zoom Print" function
- View multi-channel data in high resolution
The A4 size printer records all channels together, with 1600-dot vertical resolution.
- Record for long periods of time with high reliability
Waveforms can be printed out continuously in real time while the electronic data is also automatically saved (up to 1000 div or 10 meters).
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Sometimes an oscilloscope, sometimes a chart recorder!
The DL750P is equipped with a fully functional scope and chart recorderOscilloscope: 1 GW instantaneous display (GigaZoom)
Chart Recorder: High resolution A4 thermal printer |
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- Maintenance (steel plants, power plants, cogeneration systems)
- On-board testing for railroads and other vehicles
- Heavy machinery development (industrial machinery, robotics, semiconductor manufacturing equipment)
- Multichannel on-site observations (automobiles, automobile parts)
- Replacement for Yokogawa's AR, OR, and LR instruments (former models)
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- Universal Modules (for Simultaneous Release with the DL750P)
- Multiple inputs of general-use voltage (100 kS/s, 16-bit) and temperature (thermocouple)
Two isolated inputs (voltage: 100 kS/s, 16-bit; temp.: 500 S/s) Two types of modules available: with or without AAF
(anti-aliasing filter)
- Key Specifications
Voltage range: 20 V/div-5 mV/div (for 10 div display, in steps of 1-2-5)
Temperature: Thermocouple
(K, E, J, T, L, U, N, R, S, B, W, iron-doped, gold/chromel)
Filters: AUTO (AAF), 4 kHz, 400 Hz, 40 Hz
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- 701280 Frequency Module (2 CH) New!
High speed (40 µs, 25 kHz) update rates, 0.01 Hz-200 kHz frequency range, 9 measurement modes, built-in real-time digital filters, deceleration/stop prediction, offset observation function, isolated input, multiple input types (direct input from electromagnetic pickups, 300 Vrms AC power supply input, contact input, chatter elimination function)
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701275 Acceleration/Voltage Module (2 CH) New!
Inputs for both acceleration and voltage, built-in AAF (anti-aliasing filter), supports built-in amp type acceleration sensors (4 mA/22 V), isolated input.
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701255 High-Speed 10 MS/s 12-Bit Non-Isolation Module
Non-isolated model with the same performance as the model 701250
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701260 High-Voltage 100 kS/s 16-Bit Isolation Module (with RMS)
850 V (DC+ACpeak) direct input, RMS mode support
Accuracy of 0.25%
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701270 Strain Modules NDIS-type
Wide ranges of bridge voltage (2 V, 5 V, & 10 V)
Accuracy of 0.5%
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701271 Strain Modules DSUB-type
Wide ranges of bridge voltage (2 V, 5 V, & 10 V)
Accuracy of 0.5%
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701250 High-Speed 10 MS/s 12-Bit Isolation Module
Broad bandwidth (3 MHz) and high accuracy (0.5%) inputs
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701251 High-Speed 1 MS/s 16-Bit Isolation Module
High resolution inputs combined with high-sensitivity (1 mV/div)
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701265 Temperature/High-Precision Voltage Module
100 Hz frequency range, high-accuracy (0.08%) voltage measurements, and ultra high-sensitivity range value (100 μV/div)
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Simultaneous High-Speed & Low-Speed Recording Using DualCapture
During durability testing, it is necessary to monitor the long-term trends of your data as well as capture the high speed transients that might occur. This presents a challenge as trend data is usually recorded at a slower sampling speed that might miss the transient phenomena. To meet this challenge, the DL750P offers the DualCapture function.
Using DualCapture, you can now record your trend data with a slow sampling speed and still be able to capture the transient phenomena with a faster sampling speed.
- Integration of a High-Speed sampler (Oscilloscope) and Low-Speed sampler (Recorder) in a Single Unit
- High-speed sampler: Trigger on abnormal high-speed phenomena
- Low-speed in a sampler: Roll recording (trend recording)
- Separate Memory Management for Each sampler
- Maximum memory for low-speed: 100 MW
- Maximum memory for high-speed: 10 kW * 100 screens
- High-Speed Sampling Triggered Only by Abnormal Events Occurring during Long-Term Observation (Low-Speed Sampling)
- Effective for separately capturing data at high speed
- Long Memory Equivalent to 1 Teraword (1012)
- To acquire many hours of data at the higher sampling rate (10 MS/s) would require Teraword of memory:
- (8 hr to 24 hr) × 60 min × 60 sec × 10 MS/s × 16 channels = 4.6 to 138 TW
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- Capturing Signals Using the Longest Memory Capacity Ever
For Accurately Capturing Complex Signals or Long Waveforms
The DL750P's standard memory capacity is 50 MWord (2.5 MWord per channel). This can be expanded (optional) to as much as 1 GW (50 MW per channel)
- Benefits of GWord Recording
You can record data for 10 days (1 day/div) on the main screen, while displaying 1-second recordings (100 ms/div) in real time on the zoom screen. The large memory capacity lets you capture all of your data while still maintaining a sample rate fast enough to see any abnormal phenomena.
- Efficient Memory Use
Sufficient memory length is available even when 16 channels are used, so you can conduct extended observations on multiple channels (2.5 MW per channel with standard memory, 50 MW per channel with maximum memory).
- A Wide Range of Trigger
Having a wide range of triggers is of course very useful for obtaining stable observations of variety of different waveforms. In addition, the GUI menu makes setting trigger conditions easy and intuitive.
- Wave Window Trigger
Automatically Triggers on Abnormalities in Power Supply Waveforms
This function comes standard with the DL750P to allow observation power supply waveforms. In addition to traditional power supply troubles such as sudden outages, sags, and surges, you can make efficient real time observations of frequency fluctuations and voltage drops. The trigger activates when a signal exceeds the allowable values determined by comparing a defined waveform (wave window) with an actual waveform in real time. Comparative waveforms can be automatically produced in real time based on measured waveforms. Detection on all 16 analog channels is available (with OR conditions).
- Action-on Trigger
Automatically Save Measured Data
When this trigger is activated, the DL750P performs a specified action each time a waveform is captured and a screen is displayed. This feature is useful for automatically and reliably saving data (e.g., for data collection in automated, continuous tests).
- Manual Trigger
In Addition to Simple and Enhanced Triggers, a Trigger Can Be Activated Manually with the Press of a Button. With this feature, a trigger can be executed whenever you like, separate from the preset trigger conditions.
- History Memory and Smart Search
Enable You to Access to Large Amount of Captured Data
- History Memory and History Search (Zone Search)
Occasionally, you may capture an abnormal waveform and then have it quickly disappear from the display as new data is acquired. It is not always possible to manually Start and Stop data acquisition to catch the abnormal waveform and have it displayed.
The History Memory function was designed for such situations. It divides long memory into a number of blocks and automatically stores up to 2000 previously captured waveforms. This means you can reliably save displayed waveforms to memory even when there are events for which trigger conditions cannot be set.
- The Zone Search function lets you define zones on the screen and find all previously captured waveforms that either pass or don't pass through the user-defined zone. Up to four zones can be defined.
- Search (Edge Search) and Zoom: The Edge Search counts rising and falling edges in the captured data. It automatically searches for the desired edges and displayed them on a zoom screen.
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- DSP Channel Real-Time Calculation Function (with the /G3 Option)
New functions are now available with the DL750P. Six digital signal processing (DSP) channels have been added. The DSP channels enable you to perform math and digital filtering in real-time while acquiring waveforms. Each DSP channel can perform up to four arithmetic operations and filtering at high speed, without slowing down waveform acquisitions.
Features
- Real-time display of calculated waveforms in roll mode
- Triggers on calculated waveforms
- Calculated parameters such as cutoff of digital filtering and frequency can be changed in real time
- Simultaneously displays up to 16 analog CH + 6 DSP CH
- Provides the same memory length as with analog channels
- Arithmetical calculation between channels (addition, subtraction, multiplication, division), digital filtering (LPF, BFP, HPF), differentiation, and integration
- Automatically Measure Waveform Parameters
Easily Find and Display Waveform Frequency, Rise Time, and Parameters
Waveform parameterssuch as voltage, frequency, and RMS are measured automatically.
In addition to general parameter measurement functions, the DL750P comes standard with functions such as the following:
- Cycle Statistical Calculation New!
This function calculates statistical information about the waveform. Maximum value, minimum value, average value, and standard deviations are calculated automatically for each waveform parameter. In addition, you can instantaneously search for the cycle containing the maximum value and display it on the zoom screen. This cycle statistical calculation greatly improves your insight enabling you to analyze transient phenomena captured using the long recording memory
- Pulse Count
This function automatically calculates and displays the pulse count for an input signal in a range defined by cursors. It is useful for measuring rotation pulse counts for equipment like stepping motors, for tracking error signal counts for optical discs and other devices, and for counting encoder output pulse counts. Single-Cycle Mode
In this mode, the DL750P determines a cycle, then calculates items pertaining to the voltage axis and surface area in that cycle. Range settings can be used to obtain accurate single-cycle RMS and average value measurements.
- Linear Scaling
- Convert Measured Voltage Values into Physical Values for Direct Reading
This function automatically performs the following calculation based on a scaling coefficient A and offset B: Y = AX + B (X is a measured value and Y is the scale value).
The results of this calculation are displayed in cursor measurement values and waveform parameter measurement values. In addition, a user-determined scale value can be defined for any two measurement points, P1 and P2.
- GO/NO-GO Judgment
- Automatic Waveform Determinations
With this function, the user specifies a zone or waveform parameter for a measured waveform. The measurement signal is evaluated and a specified action is performed automatically based on the determination. Available actions include outputting a screenshot to a specified destination, saving waveform data to a specified storage medium, sounding a buzzer, and sending email.
- User-Defined Math Functions (Optional)
- Perform Complex Calculations
The DL750P comes standard with basic arithmetic operations (addition, subtraction, multiplication, division), FFT (power spectrum), and phase shifting (calculating a phase shift between channels). For more flexible and complex calculations, an optional user-defined math function package is available. With this option, you can define as many as 8 different formulas using a wide range of functions, including a triangle function, differentiation, integration, square root, digital filter, and seven different FFT functions. You can also specify the results of a calculation as a parameter in another formula. With these capabilities, the DL750P makes it easy to perform complex calculations that, in the past, could only have been done by loading data onto a PC.
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- Real-Time Hard Drive Recording (with the /C8 Option Only)
- Recorder-Like Real-Time Recording for Long Periods
With the optional internal hard drive, you can record measurements to the hard drive in real time. This makes it easier to manage and analyze data using PCs and other tools.
Maximum data capacity: 1 GW
Maximum sampling rate: 100 kS/s (using 1 channel only)
- Memory Backup Function
- Protects Your Data Even If the Power Supply Goes Out
This function backs up about 10 minutes of data saved to the acquisition memory immediately prior to power loss. Memory backup helps you avoid losing important data even if the power supply is unstable and gets cut off. (Backup time varies according to the usage environment. Four AA batteries are required for memory backup.)
- Snapshot Function
- Enables On-Screen Waveform Comparisons
Using the snapshot function, you can freeze the currently displayed waveform with the touch of a button. Snapshots are useful for comparing a reference waveform with an input waveform. In addition, snapshots can be saved to and loaded from storage media.
- X-Y Display Function
- Display an Overlay of up to Four X-Y Displays
This function lets you display multiple X-Y plots together, making relative phase comparisons easy. The X-Y display function is a powerful tool for applications such as evaluating DC motors based on a Lissajous waveform.
- All-Channel Menu
- Quickly View the Setup of All Channels
This menu lets you review and modify all of the channel setups from a single screen display. Parameters such as voltage axis sensitivity, screen scale settings, and linear scaling can be configured for each channel.
- Wide Waveform Display
- Increase the Viewing Area of the Display
With the SVGA color TFT liquid crystal display, the number of display pixels has been greatly increased. For wide waveform display, set the resolution to 750 × 512 pixels.
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