KROHNE OPTISENS MAC 080 EN - Manual (Page 52)

9
APPENDIX
52
OPTISENS MAC 080
www.krohne.com 01/2010 - MA MAC 080 R02 en
9.2.4 Baudrate
The baudrate on a Profibus DP network is set during configuration of the master and only one
baudrate is possible in a Profibus DP installation. The Profibus DP module has an auto baudrate
detection function and the user does not have to configure the baudrate on the module.
Baudrates supported by the Profibus DP module are:
• 9.6 kbit/s
• 19.2 kbit/s
• 93.75 kbit/s
• 187.5 kbit/s
• 500 kbit/s
• 1.5 Mbit/s
• 3 Mbit/s
• 6 Mbit/s
• 12 Mbit/s
9.2.5 Termination of DP network
The end nodes in a Profibus DP network has to be terminated to avoid reflections on the bus line.
The Profibus DP module is equipped with a termination switch to accomplish this in an easy way.
If the module is used as the first or last module in a network the termination switch has to be in
ON position. Otherwise the switch has to be in OFF position.
INFORMATION!
If an external termination connector is used the switch must be in OFF position.
Termination switch ON Bus termination enabled. If the module is the last or first module, the bus
termination has to be set on.
Termination switch OFF Bus termination disabled.
.book Page 52 Tuesday, January 19, 2010 1:07 PM