GATEWAY OVERVIEW
15
2
2.3.1 Profibus
The Gateway Profibus Connector is used for Profibus Slave Node connection to the Profibus
network.
5
1
6
9
Figure 14: Profibus DB9F Interface Connector
Pin
Name
Function
1 nc
2 nc
3
B Line (+)
Positive RxD/TxD (RS485 level)
4
RTS
Request To Send
5
GND
Bus Ground (isolated)
6
+5 Vdc
Bus Power
7 nc
8
A Line (-)
Negative RxD/TxD (RS485 level)
9 nc
See par. 2.4 for more information regarding power and wiring for the Gateway.
2.3.2 USB
The Gateway USB Connector (type B, female) is used for establishing a direct serial
connection with a host computer for the purpose of configuring the Gateway.
1
2
3
4
Figure 15: USB Type B Female Interface Connector
Pin
Name
Function
1
Vdc
5 + Vdc USB power source
2
D- Data
-
3
D+ Data
+
4
GND
USB power source Ground
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