# 16.11 VESTAS ### Overview Vestas is a protocol used for communication with solar station automation via serial link. ### Configuration ##### Vestas 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 | Vestas | ||
slave\_address | integer | Slave device address | Yes | 0 | 255 | |
master\_address | integer | Master device address | No | 0 | 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 (”none”/”even”/”odd”) | No | none | none, even, odd | |
flowcontrol | string | Communication device flow control option. (Default: (case-sensitive): ”none”) | No | 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 | 500 | 0 | 60000 |
**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 | ||
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 |