Last Write Query into Test Database:
| Apartment | Counter | Device | Channel | Status | Date and Time |
|---|
This is log last write request into MySQL database. Every 5 minutes server send request for ModBus network for check all devices and receive all parameters including: reader status, current count, device Id, channels, quantity of impulses and more.... Status - can provide full information about Reader, any Errors if they appear on the Net will be stored into database log.
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Using industrial network over RS485 level protocol, for connect devices each other and Smart RS485<>LAN converter for connect main server.
Write changes into Database
| Apartment | Counter |
|---|---|
New value will be accepted next five minutes (during next database request cycle).