Instructions
DF PROFI II CPCI - Installation Instructions Pin Assignment
KUNBUS V1.7 / 27.02.2017 3
3 Pin Assignment
Pin Number
Signal
Function
Direction
1
-
shielding
3
RxD/TxD-P
Data+
Input/Output
5
0V (potential free 80 mA)
Feeding of bus terminator
Input
6
5V (potential free 80 mA)
Feeding of bus terminator
Output
8
RxD/TxD-N
Data-
Input/Output
Table 1: Pin Assignment
Remark: To assure correct operation of the PROFIBUS, a terminating resistor must be
mounted at each bus end (Purchase No.: 4000-7-002-H).
Figure 2: PROFIBUS Terminator
220
390
390
0V
Data-
Data
+
+5V
150
390
390
Cable type A
Cable type B










