Introducing the WebDAQ 504
The WebDAQ 504 is part of the WebDAQ Series of Internet enabled data loggers. WebDAQ 504 is a
vibra on/acous c data acquisi on and logging device that provides the following features:
4 simultaneously sampled analog inputs
24-bit resolu on
Data rates up to 51.2 kS/s per channel
AC/DC coupling
IEPE signal condi oning
An -aliasing filters
Overvoltage protec on
Four bidirec onal, isolated DIO
10/100 Ethernet interface
Support for USB WiFi adapters for wireless connec vity
Support for USB mass storage devices and SD cards for data logging or file transfer
Powered by an external power supply (included)
WebDAQ Series devices are designed with an integrated opera ng system and web interface. You communicate
with the device over a network connec on using the web interface opened in a web browser.
Mobile support – access the WebDAQ from any device with a web browser, such as a phone or tablet
Remote monitoring and control
Run simple to complex logging opera ons
Flexible task scheduling
Powered by Raspberry Pi
The WebDAQ is designed with the Raspberry Pi Compute Module, featuring a quad core processor with speeds
up to 1.2 GHz, 1 GB RAM and 4 GB Flash memory.
Integrated opera ng system and web service
The WebDAQ is a complete data acquisi on system containing an embedded opera ng system and web server.
The opera ng system resides in internal flash memory, and includes a web service and device driver. All
configura on, acquisi on, and data management is performed using the web interface.
Ethernet interface
The WebDAQ has a built-in 10/100 BASE-T auto-nego a on, high-speed communica on port. You can access
and configure your WebDAQ from anywhere with access to the network to which it is connected. A unique
MAC address is assigned to each device at the factory. You configure the Ethernet connec on se ngs through a
web interface. The default network device name uses the format webdaq-xxxxxx, where xxxxxx are the lower
six digits of the factory-assigned MAC address. You can change this name with the web interface.
Open-source so ware
WebDAQ firmware uses open-source so ware components. Refer to
for the licensing informa on of
each component. Open-source code is available upon request from
WebDAQ 504 User's Guide
page 3
