Profibus connection plug wiring, Chapter summary and what’s next, Profibus connection plug wiring -9 – Rockwell Automation 1734-APB Point I/O Profibus Adapter Module User Manual
Page 23: Chapter summary and what’s next -9
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Publication 1734-UM005B-EN-P - June 2001
Installing the PROFIBUS Adapter 2-9
PROFIBUS Connection Plug Wiring
Chapter Summary and
What’s Next
In this chapter, you learned how to install and wire your adapter.
Move to chapter 3 for information on configuring the POINT I/O
system.
Pin Number
Name
Description
Housing
Shield
Connected to Chassis Ground
1
Not connected
2
Not connected
3
RX/TX Data +
Positive RX/TX data line
4
RTS
Request to send
5
Data Ground
Isolated ground
6
+5V BUS
Isolated +5V from RS485 side
7
Not connected
8
RX/TX Data -
Negative RX/TX data line
9
Not connected
PROFIBUS connection
Pin 3 - RX/TX Data +
Pin 8 - RX/TX Data
-
Pin 6 - +5V
Pin 4 - Request to send (RT
Pin 5 - Data Ground
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