Data Acquisition & Telemetry


4-channel graphic recorder

September 2011 Data Acquisition & Telemetry

The nanodac recorder/controller offers graphical recording combined with PID control in a compact ¼ DIN panel mount unit with four high accuracy universal inputs for data recording and control. This device is enhanced by a full colour, ¼ VGA display to bring an operator interface to even the smallest of machines.

Colour display

The 90 mm display offers incredibly clear visualisation of process parameters with a wide selection of configurable views to suit the application. Views include horizontal and vertical trends, horizontal and vertical bar graphs, numeric, alarm status, and control loops. The unit also provides user wiring from the front of the product for detailed configuration without the need to connect to a PC.

Data acquisition and recording

The nanodac recording functionality utilises the secure strategies and UHH format developed by Eurotherm. As well as multiple real-time views and historical review on the product, multiple data archiving strategies are provided utilising the 50 MB onboard Flash memory, removable USB and data transfer via FTP to a specified server.

The four universal input channels provide high accuracy and 125 ms parallel sampling. An additional 14 virtual channels can be utilised to provide maths, counter, slave communications and totaliser functionality within the instrument. Review software can also be utilised to automatically initialise transfer of data to a database over an Ethernet network. Both Review and Dream Report software can be used for report generation that meets the needs of the process.

PID control loops

The nanodac instrument can also provide two independent control loops. This functionality utilises the advanced Eurotherm PID algorithm providing high performance and reliability. Functionality includes an autotune facility along with overshoot inhibition, compensation for power fluctuations using feedforward and a cooling fan.



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