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These problems are solved by the device concept brought by the D2000 in version 21. The Device can be perceived as a one-line structured variable, whereby:
- The Device definition object defines the structure of the Device type object - it is a Structured device definition.
- Device definition supports all types of columns such as Structure definition, in addition, columns of Internal item type (used to connect another D2000 object to the device) and Device (used to connect another device - subdevice).
- The Device definition can alternatively be defined as an array of objects with a defined Device Definition - this is an Array device definition (e.g. let's have DD.Generator and DD.GeneratorArr derived from it).
- It is thus possible to build a "tree" of devices, while the D2000 Server process ensures a consistent naming convention for objects connected to the device items of Internal item and Device type
- Pomocou objektu Definícia zariadenia je definovaná štruktúra objektu typu Zariadenie - jedná sa o Štruktúrovanú definíciu zariadenia.
- Definícia zariadenia podporuje všetky typy stĺpcov ako Definícia štruktúry, navyše stĺpce typu Interná položka (slúži na pripojenie iného D2000 objektu do zariadenia) a Zariadenie (slúži na pripojenie iného zariadenia - podzariadenia).
- Definícia zariadenia môže byť alternatívne definovaná ako pole objektov s definovanou Definíciou zariadenia - jedná sa o Poľovú definíciou zariadenia (napr. majme DD.Generator a od neho odvodenú DD.GeneratorArr).
- Je tak možné vystavať "strom" zariadení, pričom proces D2000 Server zabezpečuje konzistentnú mennú konvenciu pre objekty pripojené do položiek zariadenia typu Interná položka a Zariadenie.
For each column (item) at the level of an object of Device definition it is possible to define the following attributes:
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