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<WorkspaceDirectory>\DataFiles\nxaTelegramDefinitions. |
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Within this configuration files, the KNX datapoints data points, i.e. the KNX group addresses, are specified. The structure of the definition file is as follows:
'Syntax of the Telegram Definition Table:
'log.KNX Address; IP Address; Priority; Data Size; EIS Type; Signed/Unsigned; Unit; Description; Path; Control Data; Alias; Read on Reconnect; Read Cyclically Interval;
' Persistent;Historical;Synchronize;IN Converter;OUT Converter
1/0;BROADCAST;LOW;1BIT;EIS1;;;Telegram Demo EIS1;;;;F;0;F;F;F;;
2/0;BROADCAST;LOW;4BIT;EIS2;;;Telegram Demo EIS2;;;;F;0;F;F;F;;
3/0;BROADCAST;LOW;3BYTE;EIS3;;;Telegram Demo EIS4;;;;F;0;F;F;F;;
4/0;BROADCAST;LOW;3BYTE;EIS4;;;Telegram Demo EIS4;;;;F;0;F;F;F;;
5/1;BROADCAST;LOW;2BYTE;EIS5;;°C;Telegram Demo EIS5 1;;;;F;0;F;F;F;;
5/21;BROADCAST;LOW;2BYTE;EIS5;;mA;Telegram Demo EIS5 2;;;;F;0;F;F;F;;
Each line – except comment lines that start with ' – defines a single KNX group address.
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This definition file can also be generated using the |
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ETS app import wizard (Studio > KNX > Import NETx ETS App file...) which generates the KNX |
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group address definitions from an exported ETS project. |
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The structure of the definition file is as follows:
| Col# | Parameter | Description |
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| 1 | KNX grp. adr. | It defines the KNX group address of the |
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| data point. The KNX group address can be specified either in three level form (e.g. 0/2/1) or in tow level form (e.g. 0/513). |
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name of the KNXnet/IP device to which the specified KNX group address is assigned. Thus, it defines KNXnet/IP device that is used to send and receive KNX telegrams that are originated to this group address. The name "BROADCAST" defines a KNX |
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data point which is sent to all defined gateways. |
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| KNX group address together with the |
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| name of the KNXnet/IP device define the effective address of the KNX |
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| data point. This effective address is internally used by the server. Using this addressing scheme, it is possible to use the same KNX group address for multiple KNX |
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| data points as long as they are assigned to different KNXnet/IP devices. This means that behind each gateway an independent ETS address space can exist. |
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| 3 | Priority | It defines the KNX priority that is used to send KNX group telegrams. Possible values are SYSTEM, HIGH, ALARM and LOW. The standard value "LOW" should be used in general. |
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Columns 4 to 7 define how to interpret the received data of a KNX |
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data point. At least two of these attributes has to defined to specify the semantic of a |
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| 4 | Data Size | It defines the size of the |
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| data point. Possible values are: 1BIT, 2BIT, 4BIT, 1BYTE, 2BYTE, 3BYTE, 4BYTE, 5BYTE, 6BYTE, 7BYTE, 8BYTE, 10BYTE, 14BYTE. |
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| 5 | Data Type | Using this column, the data types is specify by defining the |
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| standardized KNX data point type (KNX DPT). As an alternative, the old EIS types can be selected too. |
| 6 | Signing | Only for EIS types: this attribute specifies whether the data type is a signed or unsigned one. |
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| 7 | Unit | Only for EIS types: it defines engineering units of the KNX |
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| 8 | Description | This attribute can be used to specify a human-readable text that further describes |
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| data point. |
| 9 | Read on Reconnect | This attribute is used to define whether a KNX Read telegram shall be sent when the corresponding KNXnet/IP gateway reconnects or when the server is started. If this functionality is activated, the read flag has to be set within the corresponding KNX device using ETS. |
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| 10 | Read Cyclically Interval | This attributed is used to define whether cyclic KNX Read telegrams be sent to retrieve the current value of the |
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| data point. If this functionality is activated, the read flag has to be set within the corresponding KNX device using ETS. Note that cyclically reading KNX |
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| data points consumes bandwidth within the KNX lines. The allowed maximum Value is 65535 s with is identical to 18,20 h. |
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| 11 | Persistent | This parameter specifies whether the value of the |
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| data point is persistent (restored from the database after server start up ) or not. |
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| 12 | Synchronize | If this parameter is set to "True (T)", the value is synchronized between the main and backup server (if present). This will work only if |
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| main/backup configuration is activated for the NETx BMS Core Server. |