Hello Dear all,

I have a problem, when i want to work with some instructions such as, RETURN instructions that supports Just LReal and LWord data types. so i can not use of for example, MW x or MD x in the instructions parameters.

May you please tell me some examples of the data types for the instruction parameters?

Best regards

Tekabi

Did you try the online help?

Pressing F1 if instruction is marked.

Hi,

Yes,

But, there is no examples for the data types in the help.

Best regards

Tekabi

Tekabi

Hello Dear all,

I have a problem, when i want to work with some instructions such as, RETURN instructions that supports Just LReal and LWord data types. so i can not use of for example, MW x or MD x in the instructions parameters.

May you please tell me some examples of the data types for the instruction parameters?

Best regards

Tekabi

I suggest you make a picture showing what you want to do...
because reading this text the first time I understand RETURN as the SCL instruction, but I have a feeling you are talking of the return parameter on an FC.

..so making a picture will help us help you.

Hello,

An error text in the following picture corresponding to the instruction in block OB1  appears.

Best regards

Tekabi

You are trying to send a DWORD (32 bit).  You need to convert it first to LREAL (64 bit). 

Hi!

Absolute addressing of a 64-bit wide tag is not possible. There is no such thing as ML x (memory long).

You have to create an LReal or LWord tag in a DB or in the local stack of an FC and convert your MD1 into it, as Jeff Casagrande said.

Tekabi

Hello,

An error text in the following picture corresponding to the instruction in block OB1  appears.

Best regards

Tekabi

Thank you for the picture.. it is very helpful.
I understand your question better now.

Please see the attached image for some hints.
M-memory & FB / FC / OB declarations are shown.

Feel welcome to ask questions.
w

Hi Dear William_B,

Thanks for your best reply.

It was so helpful.

Best regards

Tekabi

New question published by Tekabi is split to a separate thread with the subject RETURN output convertion to time value.

Best regards
Min_Moderator