Differences Between Instance Data Blocks And Shared Data Blocks?

1.	Differences Between Instance Data Blocks And Shared Data Blocks?
Answer» A shared data block is not assigned to a LOGIC block. It CONTAINS values required by the plant or MACHINE and can be called directly at any point in the program. An INSTANCE data block is a block that is assigned directly to a logic block, such as a function block. The instance data block contains the data that were stored in a function block in the VARIABLE declaration table.

Answer»

A shared data block is not assigned to a LOGIC block. It CONTAINS values required by the plant or MACHINE and can be called directly at any point in the program.
An INSTANCE data block is a block that is assigned directly to a logic block, such as a function block. The instance data block contains the data that were stored in a function block in the VARIABLE declaration table.

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