The underlying schema used to store the data has a patented mechanism to compress the timestamp while retaining its accuracy and the accuracy of the data value. If lossy compression is permitted then RAPID also suppports a number of data compression mechanisms at the cost of data accuracy. […]
Archives: FAQs
Does RAPID support data backfill ?
Yes, RAPID allows backfill of data into the database. By default any time range can be inserted, but there are settings to limit insertion of both past and future data. […]
Can I create my own data collection plugins ?
The RAPID Data Agent supports plugin data interfaces via simple DLL’s. It is possible to create custom plugins using Visual Studio with the supplied libraries. These can be developed in both C# and VB. […]
Am I restricted to the tag name provided by an OPC server ?
No, RAPID must use the name from the OPC server to collect data from it, but also supports 2 additional naming fields for each tag. These are ‘Alias’ which is typically a shorter name for the data and ‘Description’ which is a longer name. For data sources where there is no specific item names, the […]
Does RAPID support Store and Forward data collection ?
If store and forward is required then a RAPID Data Agent can be installed local to the data source (OPC, MODBUS, MQTT etc) and this will collect data from the source independently of the state of the RAPID system or its network connection. During normal operation the Agent sends the data to RAPID over a […]
Does RAPID support Alarm & Condition data ?
Yes, RAPID supports insertion of both continuous and A&E data. There is a specific schema for A&E data that is based on the OPC specification and there are a number of agent plugins that support the collection of A&E data (OPC, SQL etc). This schema also supports vendor defined attributes. […]
Is there a limit to the number of events that can be inserted to each tag ?
Essentially no. Each tag can have up to 1000 events per second (more if multiple events share the same timestamp, where we create an internal array of the data). The only real limit will be imposed by the storage space available. […]
What’s PAYG Support ?
If you do not have a RAPID Service Level Agreement with us, but have an issue with your RAPID Software, technical support is available on a single incident basis. We help you to troubleshoot a specific problem, error message or functionality that isn’t working as expected. […]
Will RAPID carry on working if my license becomes out of date ?
The licensing system in RAPID will permit the collection and storage of data with an expired licence. The features that will no longer work are all associated with reporting of the stored data. Once a new licence is applied the logged data will become available again. […]
What data types are supported in RAPID ?
RAPID supports the full range of variant data types from Boolean through to 64k long strings. Including signed and unsigned integers, doubles, floats, characters, currency, date/time, shorts and longs. […]