BECKHOFF BC3150 - Manual (Page 36)

Safety Instructions
34 Fieldbus Components
Bus Terminal Controller resources
The system manager indicates the memory resources used by the Bus Terminal Controller in the Resources tab of
the Bus Terminal Controller.
Mapping code
The mapping code is required for calculating the TwinCAT configuration (see Fig. 1). The percentages are added up.
In the example from Fig 1., 8% of the memory is used for the mapping calculation.
Fig. 1: Memory for code mapping
Data memory mapping
Data memory for mapping. The values are to be considered individually, i.e. each value can be up to 100%.
Fig. 2 Data memory mapping