Hardware reference guide

206 35013379 11/2011
PROFIBUS RS-485 Port d-Sub pinouts
Below are the pinouts for the PROFIBUS RS-485 port.
Legend to pinouts for the RS-485 port:
WARNING
Hot Swapping Restriction
Modules may be hot swapped when the area is known to be non-hazardous. Do
not hot swap modules in a Class 1, Division 2 environment.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
Pin Signal Function
1 Shield Shield, Protective Ground
3 RxD/TxD-P Receive/Transmit-Data-P (+)
5 DGND 5 V common
6VP +5 V
8 RxD/TxD-N Receive/transmit-data-N(-)