Acyclic Data Exchange; Profinet Gsdml File - Parker 2003-PB-00 Technical Manual

DOC-0017-10-EN: AC20 Series PROFINET IO Option

8.3 Acyclic Data Exchange

AC20 parameters may be accessed acyclically from the network using Record Data read / write services. If
addressed through a given API (Application Process Instance) and Index range, the module translates the
service into standard object requests towards the Application Data Object.
The AC20 parameters may be accessed via Application Process Instance zero (API 0). Slot 0, Subslot 1
may be used.
There is a 1:1 correlation between the index and the parameter number.
•
• Parameter arrays may be accessed, either as a whole or as individual elements.
• Index 0 (zero) is not associated with a parameter and cannot be used

8.4 PROFINET GSDML File

The GSDML device description file holds a description of the device and its functions. Must important the
file describes the parameters implementation in the module. GSDML file for the AC20 PROFINET option
may be downloaded from the AC20 product page at www.parker.com
20 (47) DOC-0017-10-EN-B 04.04.2023