Digilent WebDAQ 904: Internet Enabled Universal Input Data Logger

The Digilent WebDAQ 904 is a stand-alone, universal input data logger designed for remote monitoring and control. All the intelligence is built into the WebDAQ, eliminating the need for a PC or additional software. By using the embedded WebDAQ web server, users can easily configure simple or sophisticated applications, log data, update digital outputs and/or send notifications based on alarm conditions, and view real-time data from any location and any device with a web browser. The WebDAQ 904 performs high-accuracy measurements from up to four analog inputs. Users can measure several signals from sensors such as strain gauges, RTDs, thermocouples, and load cells. Four isolated digital bits can be used as trigger inputs or alarm outputs. Housed in a heavy-duty chassis, the WebDAQ 904 is rugged enough for industrial applications.

An embedded web server provides a clean, intuitive interface to access all configuration and data management tasks. Hardware, trigger and alarm settings are contained in a single task, or “job”. Multiple “jobs” can be run in a “schedule” for more complex data logging applications. For example, users can create a schedule of jobs in which one job automatically runs after an alarm condition is triggered on a different job, such as when a digital input changes.

Install the WebDAQ 904 on any network and access it using any device with a web browser to remotely monitor and control all operations.

Users can create multiple alarms using analog or digital channel sources. Configure alarms to reset and re-arm when the condition clears, or reset them remotely with your browser. View the alarm status on the web interface. Receive event and alarm notifications on one or more addresses using email and SMS messaging

Store data files and configuration settings locally in internal flash memory, or save to external media or network folders. Users can map a network drive or FTP server as the location to log data or store files. Easily transfer files between WebDAQ storage locations and mapped network storage locations.

The WebDAQ performs simultaneous measurements from up to four analog inputs at rates of up to 100 S/s per channel. Users can configure each input for voltage (up to +/- 60V), current, RTD, thermocouples, resistance, and bridge-based sensor inputs.

The four isolated digital I/O lines can be used either as triggers to start or stop the acquisition or as alarm outputs.