Spider DSA User’s Manual
62
electronics and military; industries requiring vibration testing and condition
monitoring. The Spider-80X excels in industries that demand quick and accurate
data recording in addition to real-time signal processing.
Multiple Spider front-ends can be combined to form a single high channel system.
The Spider system can be arranged with various Spider front-ends and network
switches to form different configurations. With multiple Spider-80X front-ends, a
Spider system can have up to 64 input channels in a chassis and chained up to
hundreds of channels, all sampled simultaneously. Even higher channel systems
are possible. Multiple Spider front-ends are accurately synchronized through the
IEEE 1588v2 protocol, making sure all measurement channels are on the same
time base. Accurate time synchronization results in excellent phase match in the
frequency domain between all channels, either on the same Spider front-end or
across different front-ends. Channel phase match, even between separate Spider
front-ends, is within 1.0 degree at 20 kHz which is suitable for high quality
structural and acoustics applications requiring cross channel measurement.
Spider-80X front-ends have voltage, IEPE, and optional charge types of input,
which are ideal for shock, vibration, acoustic, or general-purpose voltage
measurements. Each Spider-80X front-end is equipped with 8 input channels
and can accurately measure and record both dynamic and static signals. The mass
flash memory can record 8 channels of streaming signals simultaneously at up to
102.4 kHz while computing real-time time and frequency based functions. Two
output channels provide various signal output waveforms that are synchronized
with the input sampling rate. Two tachometers sharing the connectors with
outputs allow the system to measure the rotating pulse signals and conduct order
tracking.
The Spider-80X front-ends can be controlled by a host PC or run in Black Box
mode where a preprogrammed schedule is uploaded to the unit and started
manually or based on event triggers. The ability to use any front-end in Black Box
mode or in a distributed network system means that the user can place front-ends
close to the measurement object, minimizing cable length and decreasing setup
time. There is a built-in isolated digital I/O to interface with other hardware.
Spider-80Xi
The Spider-80Xi is a compact version of Spider-80X. The mechanical design of
Spider-80Xi eliminated the enclosure of each modular card inside of chassis.
Light weighted, it is ideal for the applications that the portability and size are
critical to the usage while exchangeability of cards are not required.
Spider-80Xi system comes with two different chassis, one that can host up to 64
input channels, one up to 32 input channels. Multiple chassis can be chained up
to hundreds of channels, all sampled simultaneously. Multiple Spider-80Xi front-
ends are accurately synchronized through the IEEE 1588v2 protocol, making sure
all measurement channels are on the same time base. Accurate time
synchronization results in excellent phase match in the frequency domain
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