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FS-8700-113 X30 Profibus DP Slave Driver Manual Page 5 of 14
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: support@fieldServer.com
3. Hardware Connections
The FieldServer is connected to the Profibus network as shown in the connection drawing
below.
Housing
1
2
3
4
5
6
7
8
9
Shield
Not connected
Not connected
B-Line
RTS
GND BUS
+5 V BUS
Not connected
A-Line
Not connected
Connected to PE
-
-
Positive RxD/TxD according to RS 485 specification
Request To Send*
Isolated GND from RS 485 side*
Isolated +5 V from RS 485 side*
-
Negative RxD/TxD according to RS 485 specification
-
NamePin Description
Profibus DB9 connector
Network termination switches
Profibus Address switches
Profibus Status LEDs
Profibus connector pinouts
* +5V BUS and GND BUS are used for bus termination. Some devices, like optical transceivers
(RS485 to fibre optics) might require external power supply from these pins. RTS is used in some
equipment to determine the direction of transmission. In normal applications only A-Line, B-Line
and Shield are used.
3.1. Hardware Connection Tips / Hints
Use the recommended network cable and terminators as specified by the Profibus network
organization and/or the manufacturer of your network equipment.