KROHNE UFC 400 PROFIBUS PA-PROFIBUS DP - Manual (Page 6)

2
PROFIBUS DP
6
UFC 400
www.krohne.com 05/2014 - 4003118502 - AD UFC 400 PROFIBUS R02 en
2.3 Electrical connection for DP signal converter
I = 110 nH
R1 = 390 Ω
R2 = 220 Ω
INFORMATION!
For a detailed description of the electrical connections please refer to the standard signal
converter handbook.
Signal converter terminals B B- C C- D D-
PROFIBUS designation T +B -A -T +B -A
1 2 3 4 5 6
1 Termination positive
2 TxD+/RxD+ second connection
3 TxD-/RxD- second connection
4 Termination negative
5 TxD+/RxD+ first connection
6 TxD-/RxD- first connection
External connection with spur
CAUTION!
Spurs are not allowed at high data rates!