Promotic

PmDLL - licence for access to external DLL libraries

Basic information:
The PROMOTIC system allows the access to functions (methods) of external DLL libraries by means of the PmaDll object. The most often examples how to use them, are as follows:

Access to drivers of I/O cards:
Producers of input/output HW cards (Axiom, Advantech, ADlink, etc.) supply drivers for most HW cards.
The drivers are DLL libraries for Windows OS in most cases, they are available on the Internet pages of the card producers and they are usually free of charge. By means of the PmaDll object it is possible to call functions of these DLL libraries, for example, read/write binary or analog signals, etc.

Trade terms:
The usage of the PmaDll object requires purchase of the "PmDllActiveX" licence. When developing the application in the freeware mode PmFree, or with development environment and while testing it in runtime, this component is always functional.
PROMOTIC 9.0.21 SCADA system documentation - MICROSYS, spol. s r.o.

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