BECKHOFF BC3150 User Manual

Page 43

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Safety Instructions

Fieldbus Components

Variable Mapping - PROFIBUS DP

Creating the PROFIBUS data.

Fig. 1: Creating PROFIBUS data

For linking with the PLC project, the PLC program must be read in. Add your PLC program under PLC Configuration.
The PLC variables can now be linked with the fieldbus variables.

Note

Ensure that the maximum permissible number of PROFIBUS data is not exceeded
(BX3100: max. 244 bytes inputs and 244 bytes outputs)!
(BC3150: max. 128 bytes inputs and 128 bytes outputs)!