Features of Profibus DP
(Original Document)
About us
Introduction
Profibus DP is a linear bus, designed for high speed data transfers. The PLC communicates with its peripheral devices via a high-speed serial link.
Data exchange is mainly cyclic.
Transmission features
This table describes the transmission features of the Profibus DP bus supported by the TSX PBY 100 module.
Topology
Linear bus with line terminators
Transmission mode
Half Duplex
Transmission rate
9.6 / 19.2 / 93.75 / 187.5 / 500 / 1500 Kbits/s up to 3 / 6 / 12 Mbit/s
Maximum length
100 m at 3 / 6 / 12 Mbit/s (400 m with 3 repeaters)
200 m at 1.5 Mbit/s (800 m with 3 repeaters)
500 m at 500 Kbit/s (2000 m with 3 repeaters)
1000 m at 187.5 Kbit/s (4000 m with 3 repeaters)
1200 m at 9.6 / 19.2 / 93.75 Kbit/s (4800 m with 3 repeaters)
Possible transmission media
Twisted pair line (standard version, type RS 485)
Fiber optic link
Waveguide
Connector
9-pin Sub-D
Capacity
This table describes the Profibus DP bus transmission capacity.
Number of master stations per PLC
0
TSX P57 104/154/1634
1
TSX P57 204/254/2634/TSX PCI 57 204
3
TSX P57 304/3634/354/PCI 57 354
4
TSX P57 454/4634
5
TSX P57 554/5634/6634
Number of slave stations
32 without repeaters
Number of inputs/outputs
124 with maximum number of repeaters
2048 inputs / 2048 outputs maximum
Number of repeaters
3