BECKHOFF BC3150 - Manual (Page 15)

Safety Instructions
Fieldbus Components 13
Technical Data - PROFIBUS DP
System data PROFIBUS (BC3150)
Number of I/O modules 126 (BC3150 max. 99 devices)
Number of I/O points depending on controller
Data transfer medium shielded copper cable 2 x 0.25 mm², cable type A according to EN 50170
Segment length up to 1200 m
Number of segments 3
Data transfer rate up to 12 MBaud
Topology RS485 line, optical fiber ring
Transmission time approx. 0.5 ms with 10 stations for 32 bits input/output at 12 MBaud