| **Parameter
| **Type
| **Description
| **Required
| **Default value**
(when not specified)
| **Range**
|
| Min
| Max
|
| name
| string | User-friendly name for a device
| Yes |
|
|
|
| description
| string | Description of a device
| No |
|
|
|
| device\_alias
| string | Alphanumeric string to identify a device
| Yes |
|
|
|
| enable | boolean | Enabling/disabling of a device
| No | 1 | 0 | 1 |
| protocol | string | Protocol to be used
| Yes |
| IEC 60870-5-101 master |
| device | string
| Communication port
| Yes
| | PORT1
| PORT2
|
| baudrate | integer | Communication speed (bauds/s)
| No
| 9600
| 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
| Number of requests, before the link is considered lost (device status signals are changed) and reconnect attempt will be issued
| No
| none
| none
|
| link\_address | integer | Destination address when in transmit and source address when broadcasting | Yes |
| 0 | 65535 |
| link\_size | integer | Link address size in bytes | No | 1 | 1 | 2 |
| asdu\_address | integer | Application Service Data Unit address | Yes |
| 0 | 65535 |
| asdu\_size | integer | Common address size in bytes | No | 1 | 1 | 2 |
| ioa\_size | integer | Information object address (IOA) size in bytes | No | 2 | 1 | 3 |
| cot\_size | integer | Cause of transmission (COT) size in bytes | No | 1 | 1 | 2 |
| time\_sync\_interval\_sec | integer | Defines how often (in seconds) a slave will request time synchronization.
**If greater than 0** – slave will request synchronizations and will reset the timer if the master did it earlier.
**If 0** – slave won’t request timesyncs, but will allow them.
**If 1** – time syncs are not supported, all time sync requests will be dropped.
| No | 60 |
|
|
| gi\_interval\_sec | integer | The time frame between General Interrogation requests in seconds if 0 requests are disabled | No | 300 | | |
| scan\_rate\_ms | integer | Polling interval in milliseconds. The time frame between two telegrams from the master
| No | 100 |
|
|
| timeout\_ms | integer | Response timeout in milliseconds
| No
| 1000
| | |
| retry\_count | integer | Number of retries of failed requests before announcing that the device is in Error state
| No | 1 |
|
|