What is a temperature data logger?
Temperature data loggers are processor-controlled, technical devices that are used to measure and monitor temperatures and often also humidity. The measured data is stored and, depending on the data logger version, can also be transferred directly to other devices such as PLCs via communication interfaces. Temperature data loggers are used in the monitoring of cold chains, the storage of food, the production and transportation of pharmaceuticals as well as in test fields and research. Multifunctional data loggers are often used instead of temperature data loggers. These can measure and process various other physical values in addition to temperature thanks to freely configurable analog and digital inputs.
Archiving, analysis of process data and process data acquisition
Process data acquisition allows important process parameters to be monitored, stored and analyzed. This enables process monitoring to be set up, processes to be improved and faults to be detected at an early stage. The quality of the results is particularly determined by the right choice of measurement technology and software.
Depending on the production process, different parameters are recorded and evaluated, for example to analyze a completed reaction, monitor processes or control continuous runs. Finally, product quality is to be determined using test benches during development or in end-of-line tests.
Typical areas of application for process data acquisition
- Process monitoring to determine the overall equipment effectiveness (OEE)
- Record process deviations and analyze and document them in real time
- Continuously record machine data
- Fault analysis with alarm management
- Simultaneously record process data and energy consumption
- Measurement technology for test benches during development and end-of-line tests
What is important for process data acquisition
Integration into the infrastructure: Connection of process data acquisition to an existing infrastructure or to existing control systems.
Reliable data acquisition: Capture data for quality assurance autonomously and independently of a PC and store it securely without data loss, even if the network fails.
Trace data seamlessly: Seamless recording, storage and tracing of measurement data, e.g. from cleanrooms for traceability or in accordance with FDA Part 11 regulations.
High measuring accuracy: Adjustable measuring intervals with 24-bit resolution for high absolute measuring accuracy.
Trigger conspicuous measured values: Record the pre- and post-history of conspicuous measured values with a high measured value recording rate very precisely in terms of time and save the data separately.
Measuring device and software support for process data acquisition
The Loggito Logger is a very compact measuring device (95 x 67 x 65 mm) that can even fit into cramped control cabinets or decentralized locations. It has four or eight universal analog inputs (mV, mA, thermocouples, Pt100, Pt1000) and an internal memory for autonomous operation. The Loggito logger is open for various protocols such as OPC UA, Modbus, ASCII.
The ProfiSignal software offers important analysis, visualization and automation functions for process data acquisition:
- ProfiSignal Basic for visualization with charts, trend diagrams, etc. Processes can be mapped using customizable dashboards like a compact SCADA system.
- ProfiSignal Klicks is used to automate processes. Users can create their own applications via context menus without having to learn a programming language.
- Interfaces to databases: Measurement data can be transferred directly to relational databases, ERP or MES systems via an ODBC interface.
- Alarm management with numerous alarm functions in conjunction with process data acquisition. Process-relevant alarms are clearly visualized, with notification of responsible persons, acknowledgement and comment functions and an analysis of historical alarms.
The right software for your measurement and testing solution
Data acquisition and analysis
With ProfiSignal Go you can display online data from the Message and Expert hardware in diagram form. Numerous analysis functions, such as zoom, cursor, movable axes, flags, ASCII export and calculation channels, enable fast display of measured values and post-processing.
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Operating and monitoring
ProfiSignal Basic combines the functions of ProfiSignal Go with operating and monitoring elements of process visualisations, e.g. digital and analogue displays, switches, buttons and signal lamps. With Basic, you can create everything from simple visualisation diagrams to complex visualisation systems.
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Automate and control
ProfiSignal Klicks supplements ProfiSignal Basic with functions for process automation. Structural diagrams for mapping the process as well as a script language (completely operable with the mouse) enable even the non-informatician to create complex test stand and automation applications with automatic report generation.
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Fast project planning and analysis of measurement data
With ProfiSignal 20 Go you can visualise your measurement data in just a few steps, both online and offline, in various diagram types, monitor, analyse, archive as a measurement file or export directly in the appropriate file format.
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Visualisation and operation
With ProfiSignal 20 Basic you can create individual diagrams using a wide range of operating and monitoring elements. Both continuous processes (e.g. production data acquisition) and discontinuous measurement tasks (e.g. test measurements) can be visualised, operated and monitored without any programming effort. You can create the operating and monitoring diagrams by assembling and configuring the prefabricated elements.
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Central measurement data management
The Delphin Data Center is the solution used for the worldwide measurement networking and control of plants, machines and test stands.
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