16.10 VBUS Overview Vbus is a protocol used for communication with solar station automation via serial link. Configuration VBUS parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min Max name string User-friendly device name Yes description string Description of the device No device_alias string Device alias to be used in configuration Yes enable boolean Enabling/disabling of a device No 1 0 1 protocol string Selection of protocol Yes Vbus slave_address integer Slave device address Yes 0 255 master_address integer Master device address Yes 0 255 device string Communication port Yes PORT1 PORT2 baudrate integer Communication speed (bauds/s) No 9600 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 databits integer Data bit count for communication No 8 6 9 stopbits integer Stop bit count for communication No 1 1 2 parity string Communication parity option No none none, even, odd flowcontrol string Communication device flow control option. No none none scan_rate_ms integer If provided and positive ­ all reads and writes will be executed within the timeframe in milliseconds. No 10000 poll_delay_ms integer Minimum time delay in milliseconds to wait before sending any data on port. No 200 timeout_ms integer Timeout in milliseconds No 2500 0 60000 VBUS parameters for Signals tab: Parameter Type Description Required Default value (when not specified) Range Min Max signal_name string User-friendly device name Yes device_alias string Device alias from a Devices tab Yes signal_alias string Unique alphanumeric name of the signal to be used Yes enable boolean Enabling/disabling of an individual signal No 1 0 1 log integer Allow signal to be logged. No 0 0 job_todo string Define tag­-function Yes tag_job_todo string Define tag action that depends on tag function Yes number_type string Type of a number (FLOAT, DOUBLE, DIGITAL, etc.) Yes pulse_short_time_ms integer Time interval for short output pulse to stay active No 0 pulse_long_time_ms integer Time interval for long output pulse to stay active No 0