Technical data

PROFIBUS networks
1.2 Basics of the PROFIBUS network
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
23
● Intrinsically safe operation possible (for hazardous areas)
● Bus and tree topology
● Up to 31 field devices (+ master) per line segment
Restrictions:
● Transmission speed: 31.25 kbps
Properties of the MBP transmission technique according to IEC 61158-2
The main characteristics of the MBP transmission technique according to IEC 61158-2 are
as follows:
Network topology: Bus, star and tree topology
Medium: Shielded, twisted pair cable
Achievable segment lengths: 1900 m
Transmission speed: 31.25 kbps
Number of field devices per PA segment: Max. 31