Input Description

EN   BOOL \    (enable)

Reading of the receive buffer is performed depending on the signal applied at input EN.

The following applies:

EN = FALSE: Do not read receive buffer

EN = TRUE: Read receive buffer

SLOT   BYTE \    (slot)

At input SLOT, the Communication Module slot (module number) is selected which shall be used by this Function Block.

The internal Communication Module always has the module number 0. All external Communication Modules are serially numbered from right to left, starting with module number 1.

DATA   DWORD \    (data)

Input DATA is used to specify the address of the variable to which the user data shall be copied. The address specified at DATA has to belong to a variable of the type ARRAY or STRUCT.

Attention

Set the variable size to the maximum expected amount of data in order to avoid overlapping of memory areas.