
LaserSpeed 8000/9000 I/O Module Instruction Handbook
Operation
Part No. 93342 / Drawing No. 0921-01516
Page 74 of 84
Revision E (Dec 2013)
Profibus DB9 Connector Pinout
Pin
Pin Name
Description
1
Not Connected -
2
Not Connected -
3
B-Line
Positive RxD/TxD according to RS-485 specification
4
RTS
Request to Send
5
GND BUS
Isolated GND from RS-485 side
6
+5V BUS
Is5V from RS-485 side
7
Not connected -
8
A-Line
Negative RxD/TxD according to RS-485 specification
9
Not Connected