Cyclic read/write sdo values

[hakan.kececi]

Hello,

I have answered a similar topic before. You don’t need to read every data with a function, some of them are directly included in IOmapping.

Classifying Driver errors in B&R Systems

Hello @omer.alumur There are two different data transfers on the POWERLINK , one is cyclic (PDO) and the other is acyclic (SDO). [image] You can read SDO variables with the EplSDORead function with AsEPL library. The selected part of the objects described in Register description is transferred in the cyclic POWERLINK frame. These cyclic objects (process data objects, PDOs) are listed in the module’s I/O mapping and represented in AS as follows: [image] However, there is no register descri…