Pin Assignment
DF PROFI II CPCI - Installation Instruction
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).
390
Ω
220
Ω
390
Ω
Cable type A
Data+
+5V
Data-
0V
390
Ω
150
Ω
390
Ω
Cable type B
Figure 2: Profibus-Terminator
2
V1.0 / 13.08.2002
COMSOFT
