TIA Portal V17 connect with PLC S7-1500 about Modbus TCP/IP communication Part-1

[@amirborbor7579]

hi . why you use number 502 in local port . what is this number from . thank you.

[@generaltechnologyknowledge5165]

Dear sir, It default port of modbus

[@josecaution1]

Hi have you already tried function 23? I understand it used to perform read and writing in a block

[@generaltechnologyknowledge5165]

Thanks sir for advised

[@mohsinalishaikh1792]

Hi do you have any video for MODBUS RTU?

[@generaltechnologyknowledge5165]

I'm not yet prepare, I will prepare it

[@mohsinalishaikh1792]

@@generaltechnologyknowledge5165 okay thank you hope to see it soon

[@mohabsayed-xl3dg]

readings are in word data type , how i can change to real type to match with actual reading ?

[@generaltechnologyknowledge5165]

Dear sir, You can also create data type as real and link it Thanks

[@mohabsayed-xl3dg]

i have created array as real type , but still some of reading coming as word , is there a way to convert word /int reading to real ? @@generaltechnologyknowledge5165