FEATURE TEST & MEASUREMENT Developing energy efficient products
At an online press conference this month, Yokogawa Test & Measurement introduced the next generation DL950 ScopeCorder. With its high-speed data acquisition facilities, this gives better insight for manufacturers developing renewable and energy efficient technologies for a more sustainable society
W
ith the new DL950 ScopeCorder, Yokogawa Test & Measurement
has added to its ScopeCorder family of portable multi-channel data- acquisition recorders, extending and improving their speed, channel count and data acquisition features. As companies develop more energy
efficient technologies for transportation, home and industrial appliances, as well as new renewable energy sources, the DL950 is designed to offer manufacturers a highly detailed view of an application’s electrical and mechanical behaviour. According to the company, the DL950
will find use in many markets, including transportation for applications such as testing electric vehicles and SiC/GaN inverters. Uses in the power and energy sector include capturing data on renewable energy systems, while manufacturers of industrial equipment will find the DL950 invaluable in testing high efficiency motors, robots and sensors.
A COMPLETE SOLUTION Providing the high-speed sampling and signal fidelity of an oscilloscope and the long-term data recording capabilities of a recorder, the DL950 measures signals at a high bit resolution while securing data in the harshest of environments. Building on the capabilities of the well-established DL850E, the new DL950 ScopeCorder can handle larger amounts of data at a faster sample rate and with a longer recording time. It has a large acquisition memory up to 8 Gpoint, and a 200 MS/s sample rate at 14-bit, compared to the DL850E’s 100 MS/s at 12-bit. This is twice the sample rate but with much more detail. The DL950 can run up to 32 isolated analog channels with 10 MS/s at 16-bit or up to 128 digital channels. It is said to provide a complete solution
for developers in the high-precision mechatronics and electric power markets and contributes to the further advancement and development of technology. The ScopeCorder provides developers with a high degree of insight into the behaviour of these systems by capturing and analyzing a wide variety of electrical signals, mechanical performance parameters indicated by sensors and decoded vehicle serial bus signals.
34 FEBRUARY 2021 | DESIGN SOLUTIONS The dual capture feature offers both
data acquisition recorder functionality and the sample speed and trigger features of an oscilloscope. This allows developers to analyze the finest waveform details while observing multi-channel measurements over longer periods. The DL950 offers five options for acquiring data, allowing users to choose the best method for their application. They can opt for normal acquisition into the fast internal acquisition memory, recording to flash memory (coming soon), recording to the internal hard disk (SSD) or directly to the PC via normal Ethernet or opt for 10 Gigabit Ethernet. Data can be captured to a PC streaming
over a very long time at up to 160 MB/s, with data volumes limited only by the PC’s storage size. Using 10 Gigabit Ethernet, data can be transferred from the DL950 to a PC at 50 times the speed of its predecessor. A fibre optic cord and the Yokogawa’s IS8000 PC software are used for transmission. The DL950 will also feature Flash
Acquisition (coming soon), used to store data when a PC cannot be used – for example when capturing data from within a vehicle, power plant or other similar applications. In these applications the unit would usually need to be switched off before moving it to an office to save data on a PC. Using Flash Acquisition, data can be captured over a long time with a high-speed sample rate of 20 MS/s (8CH) and 10 MS/s (16CH).
EASE OF USE The 512GB internal SSD can record up to 50 days. Depending on the sample rate it can record for five hours on one channel at up to 2 MS/s, or record at 200 kS/s for 20 hours with 16 channels. Waveforms from dual capture can also be recorded, useful for in-vehicle endurance testing and capturing rare spontaneous events. The DL950 provides ultimate versatility,
as it can be connected to 21 types of input modules. These include 12-, 14- and 16-bit isolation modules, universal voltage/temperature modules, acceleration/voltage modules, strain modules and frequency modules. Up to five DL950s can be synchronized to allow the use of up to 160 voltage
The DL950 will find use in many markets, including transportation for applications such as testing electric vehicles and SiC/GaN inverters. Uses in the power and energy sector include capturing data on renewable energy systems, while manufacturers of industrial equipment will find the DL950 invaluable in testing high efficiency motors, robots and sensors
channels. Alternatively up to 640 temperature channels can be used, employing 16 channels with eight slots for each of five DL950 units. The subunits can be synchronized to start and stop their measurements via signals from the main unit. The DL950 is also easy to use via a
large 12.1 inch touch screen, providing convenient access to its wealth of features. Yokogawa’s power analyzers and a selection of other instruments can be time synchronized through the device’s integrated IEEE1588 PTP master function and the IS8000 Integrated Software Platform. The units can also be controlled remotely, allowing home workers to continue conducting tests while working away from the test laboratory. Dedicated application menus simplify the
setup. Touching an application icon brings up the graphical setup screen for the application, while users can also register frequently used applications as favourites. “With the DL950, the already excellent
ScopeCorder family attains new levels of data acquisition speed and greatly improved usability,” said Terry Marrinan, Yokogawa Test & Measurement’s vice president for Europe & South East Asia. “Offering the versatility to discover more from a large number of input types, the insight available from a high bit resolution and a high level usability from easy set-up, the DL950 gives developers the tools they need to gain detailed information on the behaviour of energy efficient and new renewable energy technologies and devices.”
Yokogawa Test & Measurement
http://tmi.yokogawa.com/eu/
/ DESIGNSOLUTIONS
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