ProBus connection
The transmitter is the only/last slave in the bus:
* screen on connector housing
The transmitter is not the only/last slave in the bus:
e.g.: D-Sub-Bus plug SIMATIC NET PROFIBUS FAST
CONNECT
Allocation of the 9-pin D-sub female connector
Pin assignment Signal Color Description
Housing ------------- S Screen
1 not connected
2 not connected
3 -------------------- RxD/TxD-P (positive) ac-
cording to RS-485 speci-
cation
red Send/receive data
Data core B/D (P)
4 if required RTS "Request To Send" (only when using a
repeater)
5 -------------------- DGND Insulated GND to RS-485 side
6 -------------------- VP Insulated voltage supply +5 V to
RS-485 side
7 not connected
8 -------------------- RxD/TxD-P (negative) ac-
cording to RS-485 speci-
cation
green Send/receive data
Data core A/D (N)
9 not connected
Note:
You can only use plug connections with integrated terminating resistors.
4 Device installation Transmitter Series PR 5220
EN-49 Minebea Intec