Siwarex 231, problem with DR30(current process values)

Hi. I have s7-1200 1214 dc/dc/dc fw v4.0 and siwarex 231 fw v1.0. I downloaded "TIA Portal V13 function block library for CPU V2.2, V3.0 and V4.0" from:

https://support.industry.siemens.com/cs/document/66825585/tia-portal-project-%E2%80%9Eready_for_use%E2%80%9C-function-block-library-for-siwarex-wp231?dti=0&lc=en-WW

I included function block in my Main[OB1], typed required values(ADDR,HW_ID and DB NO), but current process values(net process weight,gross process weight etc.) are still 0.

Sorry for my english

Hi Rafaldo,

if you want to see actual data in DR30 you have to read first the DR30.

This won't be done automatically.

How to read a DR you can find in the manual chapter 11.1.4.

If you have a  look to the "s_IO_DATA" structure of the DB you find the "dw_PROCESS_VAL_x" here you find two actual values that you can define in DR 14. All values in the data in the "s_IO_DATA" structure will be updated cyclic without doing anything.

In the Ready for use" project https://support.industry.siemens.com/cs/ww/de/view/66825585 , in OB30 you find the possibility to read DR's cyclic.

Regards

ABenno