Pin Assignment
DF PROFI II PCIe - Installation Instruction
2
V1.1 / 29.07.2008
Ó
COMSOFT
2
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
W
390
W
390
W
0V
Data-
Data+
+5V
150
W
390
W
390
W
Cable type A
Cable type B
