PfofiBus Gateway
(5) ProfiBus
ProfiBus is an open field network most commonly used in the world today. It was first established
under DIN 19245 (German standard) in Germany in 1989, and standardized under EN 50170
(European standard) in July 1996. In January 2000, ProfiBus became an international standard under
IEC 61158. There are two ProfiBus protocols designed for different purposes: ProfiBus-DP for factory
automation (FA), and ProfiBus-PA for process automation.
This manual covers ProfiBus-DP.
The key features of ProfiBus-DP are as follows:
[1] A field network realizing complete multi-vendor connectivity
[2] Able to send large amounts of data at high speed.
•
Up to 244 bytes of data per device
•
Maximum baud rate of 12 Mbps
[3] Up to 125 nodes can be connected.
* For details on ProfiBus, refer to the operation manuals for your master unit and PLC.
Along with this manual, also read the operation manual for each controller connected.
This ProfiBus Gateway cannot be used in any way not described as feasible in this manual.
To prevent malfunction, the customer is also advised not to use settings, wirings and other uses other
than those described as feasible in this manual.
1.3 Application Example of Gateway Unit
The network illustrated below gives an application example of the Gateway Unit.
CPU
unit
ProfiBus
unit
(master
station)
Remote I/O
station
ProfiBus Gateway
(Remote I/O station)
Remote I/O
station
Remote I/O
station
SIO communication network (Modbus)
3
