Measurement-computing WBK18 User Manual

WBK18 Dynamic Signal Conditioning Module Description…… 1 Current Source with Transducer Fault Detection…… 2 Input Coupli

Gain of 8-pole Filter Mode-100-80-60-40-20000.511.522.533.54FIN/FCGain (dB) Gain of 8-pole Filter Mode-14-12-10-8-6-4-200 0.2 0.4 0.6 0.8 1 1.2Gain (

Using the 2-pole Filter and Bypass 2-pole Filter Mode For applications where the signal of interest is entirely AC in nature, the low-pass filter mode

Bypass Mode Bypass mode also provides excellent passband accuracy and provides minimal signal attenuation up to very high frequencies for those applic

DC Accuracy As previously mentioned, the 2-pole and Bypass filter modes are most commonly used in applications where DC signal information is importan

Excitation Source In order to configure the excitation source, click on the Configure Sine Wave Output button in the Module Configuration window. Thi

Sweep Mode (continued) Example of a Linear Sweep Waveform Example of a Log Sweep Waveform WBK18, Dynamic Signal Input Module

Custom Mode In this mode, the user can create customized waveforms built out of specified sine wave-based components. For example, a waveform could

How to Save or Open Output Sine Wave Configuration Files Within all modes, there is the ability to save and recall waveform configurations, which is

Using Accelerometers Overview A low-impedance piezoelectric accelerometer consists of a piezoelectric crystal and an electronic amplifier. When str

Sensitivity The sensitivity of an accelerometer is defined as its output voltage per unit input of motion. The unit of motion used is “g.” One “g” i

The WBK18 module includes a built-in programmable voltage excitation source. This source can be used to stimulate dynamic systems for transfer functi

Overload Recovery Recovery time from clipping due to over-ranging is typically less than 1 ms. Recoveries from quasi-static overloads that generate h

Fuse Replacement – for WBK18 CAUTION Turn OFF the power to, and UNPLUG the WBK18 module and all connected equipment. Remove all signal I/O line

1. If you have not already done so, turn OFF the power to, and UNPLUG the WBK18 module and all connected equipment. Remove all signal I/O lines fr

Specifications – WBK18 Specifications are subject to change without notice. General System Connectors: BNC connecto

Excitation Source Channels: 1 Signal Connection: BNC Frequency Range: 1 Hz to 5 kHz Frequency Resolution: 0.01 Hz Amplitude Settings (p-p): 10V,

Typical Performance Characteristics WBK18 Frequency Spectrums (typical) Each spectrum was taken from a WaveBook/516A that was sampling at 20kSamples/

WBK18, pg. 26 926896 WBK18, Dynamic Signal Input Module

Low-Pass Anti-Aliasing Filter Each channel features a programmable low-pass filter to provide alias protection and to allow for the removal of undesi

TEDS Support TEDS, Transducer Electronic Data Sheet, is a purchased option. The TEDS feature enables a WBK18 module to access the calibration informa

Hardware Setup Configuration The WBK18 requires no physical hardware settings. All WBK18 configurations are controlled by software. Reference No

To ensure that the software recognizes all system components, when powering up an Ethernet connected WaveBook system, it is important that the WaveB

Software Setup General Depending on your application, you will need to set several software parameters. Proper settings will allow WaveView to organ

Source Level – Source Level refers to the transducer bias current and is not to be confused with the excitation source that is discussed on pages 4 a

Maximizing Alias Protection What is Aliasing? Aliasing is a phenomenon of sampled data systems wherein a high frequency signal is misrepresented as a