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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**