Tranhieu0983

DearExpert and All People

I had a stupid Question. How can i see address in Data Blockof PLC S7-1200 whenusing TIA Portal.

With Step 7 manager easy to see. But i don't know can i see. Please help me more understand.

Sorry about my English language.

Regard.

This Tag is not working as I want to use bit of "int" type register

Swarada

Bit = "DBName".Tag.x0

Byte ="DBName".Tag.B0

This Tag is not working as I want to use bit of "int" type register

 hi Swandra,

this works only with the datatypes Byte, word and double-word.

see the FAQ:

How in STEP 7 (TIA Portal) do you access the unstructured data types bit-by-bit, byte-by-byte or word-by-word and symbolically?

hope this helps,

regards,

Hello,

should be written like that ((

))  do not forget the "%" sign before the bit number

Swarada

Bit = "DBName".Tag.x0

Byte ="DBName".Tag.B0

This Tag is not working as I want to use bit of "int" type register

 it works the same also for INT DINT SINT USINT UDINT data types.

mopS04

 

Swarada

Bit = "DBName".Tag.x0

Byte ="DBName".Tag.B0

This Tag is not working as I want to use bit of "int" type register

 hi Swandra,

this works only with the datatypes Byte, word and double-word.

see the FAQ:

Bewerten

How in STEP 7 (TIA Portal) do you access the unstructured data types bit-by-bit, byte-by-byte or word-by-word and symbolically?

hope this helps,

regards,

OpisOm

 it works the same also for INT DINT SINT USINT UDINT data types.

 hi,

you are right, but I were rigth too.

I was pretty sure that this is only possible with byte, word and dword. But I had a try. And I saw that it works also with INT-types. So I was searching for a reason, why it works now and I found that there must be one pre-condition, and maybe this helps in this case:

TIA-help or manual

In the case of deactivated IEC check, access to tags of the "Integer" data type is also possible.

 Thank you,

and best regards,