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3
Electrical Installation
3.1
Profibus-DP Connectors
The Unidrive Profibus-DP interface has two 9-way D-type sockets (A
and B) to connect to the Profibus-DP network. Connectors C and D are
the RS232 programming port (C) and RS485 general-purpose
communications port (D) of the UD70.
The Profibus-DP connectors are parallel connectors, so either
connector can be used. The pin -out connections are identical, and are
given in the table below.
Terminal
8
3
5
6
Shell
3.2
Profibus-DP Data Connections
Specifically designed connectors are available for use on Profibus-DP
networks that accept 2 Profibus-DP cables into colour-coded screw
terminals, and plug directly into a 9-way Profibus-DP D-type connector.
A screen clamp is also included to ensure good screen continuity and
provide the best possible immunity to noise.
recommends that a suitable connector should be used to connect the
Unidrive Profibus-DP interface to a Profibus-DP network.
Details of manufacturers of connectors approved for use with Profibus-
DP can be found on the Profibus web site at "www.profibus.com".
Issue Number: 3
A B
C
D
Function
Description
A
Negative data Line
B
Positive data Line
0V ISO
0V Isolated
V
+5V line for termination resistors
DC
Screen
Cable braided screen connection
Control Techniques
7
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