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IM DLM4038-17EN
1.2 USB Interface Features and Specifications
USB Interface Features
Reception Features
Allow you to specify the same settings that you can using the front panel keys.
Receive output requests for measured and computed data, panel setting data, and error codes.
Transmission Features
The DLM4000 can (1) transmit measured and computed data, (2) transmit panel setting data and
the status byte, and (3) error codes when errors occur.
USB Interface Specifications
Electrical and mechanical specifications: USB 2.0
Connector: Type B connector (receptacle)
Ports: 1
Power supply: Self powered
PC system requirements: A PC running the English or Japanese version of Windows 7 (32bit,
64bit), Windows 8 (32bit, 64bit), Windows 8.1 (32bit, 64bit), or Windows
10 (32bit, 64bit) and a separate device driver
Data Transfer Rate
The following table contains approximations of how much time it takes for the DLM4000 to transmit
waveform data.
Model: DLM4038
Controller: PC (Intel (R) Core (TM) i5 CPU 650 @ 3.20 GHz 3.33 GHz), USB2.0
(ICH7), OS (Windows 7) Enterprise 32 bit)
Programming language: Visual C++
Number of Data Points Byte Data Word Data ASCII Data
1250 Approx. 23 ms Approx. 23 ms Approx. 0.080 s
12500 Approx. 32 ms Approx. 24 ms Approx. 0.630 s
125000 Approx. 119 ms Approx. 42 ms Approx. 6.061 s
1250000 Approx. 998 ms Approx. 215 ms Approx. 64.833 s
12500000 Approx. 9672 ms Approx. 1932 ms Approx. 647.706 s
125000000 Approx. 95870 ms Approx. 18636 ms Approx. 6492.005 s
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