profibus

manoj.kumar

Member

M

Join Date

Apr 2010

Location

delhi

Posts

6

• May 10, 2010

• #1

what is the difference between profibus DP and profibus PA

 

cagliostro

Member

C

Join Date

Feb 2007

Location

vi

Posts

106

• May 10, 2010

• #2

download the Profibus Manual Network from this web link:

http://support.automation.siemens.c...ib.csFetch&nodeid=36168527&forcedownload=true

and read the chapter 1 and 2......

regards

 

Jobbe

Member

J

Join Date

Jul 2005

Location

Antwerp

Posts

159

• May 11, 2010

• #3

Very limited summary:

PROFIBUS DP [FONT=&quot](Decentralized Peripherals)[/FONT]

• Mainly used for remote I/O, drives, sensors, actuators, communication,…
• Electrical: RS485 (or fiber)
• Transmission speed: 9.6kbps …. 12 Mbps
• Cable length: 100 … 1200 meter, depending on transmission speed
• No or very limited spur lines allowed

PROFIBUS PA [FONT=&quot](Process Automation) [/FONT]

• Mainly used for process automation (instrument networks)
• Electrical: MBP (signal and power on the same wire)
• Transmission speed: 31.25 kbit/s.
• Protocol: same as PROFIBUS DP, but you can use “profile GSD “files to make it manufacturer
• Independent (with some limitations).
• Cable length: 0…1900 meter, depending on used cable, current consumption, length of spur lines, EX zone, available power, ….

The is lots of information on the site www.profibus.com

 

manoj.kumar

Member

OP

M

Join Date

Apr 2010

Location

delhi

Posts

6

• May 11, 2010

• #4

thanks of all