Rekabentuk perisian suatu sistem kawalan lampu isyarat menggunakan PLC sebagai unit pengawal

Array ( [0] => Array ( [0] => 08001 [SQLSTATE] => 08001 [1] => 21 [code] => 21 [2] => [Microsoft][ODBC Driver 17 for SQL Server]Encryption not supported on the client. [message] => [Microsoft][ODBC Driver 17 for SQL Server]Encryption not supported on the client. ) [1] => Array ( [0] => 08001 [SQLSTATE] => 08001 [1] => -2146893052 [code] => -2146893052 [2] => [Microsoft][ODBC Driver 17 for SQL Server]SSL Provider: The Local Security Authority cannot be contacted [message] => [Microsoft][ODBC Driver 17 for SQL Server]SSL Provider: The Local Security Authority cannot be contacted ) [2] => Array ( [0] => 08001 [SQLSTATE] => 08001 [1] => 21 [code] => 21 [2] => [Microsoft][ODBC Driver 17 for SQL Server]Client unable to establish connection [message] => [Microsoft][ODBC Driver 17 for SQL Server]Client unable to establish connection ) [3] => Array ( [0] => 08001 [SQLSTATE] => 08001 [1] => -2146893052 [code] => -2146893052 [2] => [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. [message] => [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. ) )