Connector db9f (item 3) – Rice Lake 880 Performance Series Panel Mount Indicator/Controller - Profibus DP Interface Option Installation and Programming Manual User Manual
Page 12
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8
Profibus DP Installation and Programming Manual
Connector DB9F (Item 3)
Pin
Signal
Description
1
-
2
-
3
B Line
Positive RxD/TxD, RS485 level
4 RTS
Request
to
send
5
GND Bus
ground (isolated)
6
+5 V Bus Output
+5 V termination power (isolated, short-circuit protected)
7
-
8
A Line
Negative RxD/TxD, RS485 level
9
-
Housing Cable Shield
Internally connected to the Anybus protective earth via
cable shield filters according to the PROFIBUS standard.
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