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en:sw:01-mervis:08-sscp-bridge [2020/05/11 11:08] avsetula |
en:sw:01-mervis:08-sscp-bridge [2020/07/15 08:21] jan_kozak [Installation scenarios] |
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====== SSCP to SQL Bridge ====== | ====== SSCP to SQL Bridge ====== | ||
- | This daemon-based service allows bi-directional data transfer between an Unipi PLC running Mervis and a SQL database through an SSCP protocol (the proprietary protocol used by Mervis runtime and Mervis IDE). The daemon can run anywhere - on the system with Mervis runtime running, on the same system as a database server or another remote machine. | + | This daemon-based service allows bi-directional data transfer between an Unipi PLC running Mervis and a SQL database through an SSCP protocol (the proprietary protocol used by Mervis). The daemon can run on any Linux machine (database server or another remote machine) or directly on the PLC. |
{{ :en:sw:01-mervis:sscp-sql-bridge.png?direct |}} | {{ :en:sw:01-mervis:sscp-sql-bridge.png?direct |}} | ||
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* **Daemon runs on the PLC** | * **Daemon runs on the PLC** | ||
* In this case, the daemon runs on the PLC right next to the Mervis RT and send the data to a remote database. Requires IP connection between the PLC and the database server. | * In this case, the daemon runs on the PLC right next to the Mervis RT and send the data to a remote database. Requires IP connection between the PLC and the database server. | ||
- | * **Daemon runs a different machine/server** | + | * **Daemon runs on a different machine/server** |
* This can be divided into two scenarios depending on the network connection. | * This can be divided into two scenarios depending on the network connection. | ||
* **Daemon has IP access to the PLC** | * **Daemon has IP access to the PLC** |