Communication Via Profibus Dp; Profibus Connection - Siemens sinamics dcp Operating Instructions Manual

Operation

8.5 Communication via PROFIBUS DP

8.5 Communication via PROFIBUS DP
8.5.1

PROFIBUS connection

Working on the opened device
Only perform all work when the device is current-free.
Please observe the warning notices in Chapter 1.
Position of PROFIBUS connection and diagnostics LEDs
The PROFIBUS connection and diagnostics LEDs are located on the Control Unit (CUD).
The PROFIBUS connection is via a 9-pin Sub-D socket (X126). The connections are
electrically isolated.
See also Chapter Description of the LEDs on the CUD (Page 247).
PROFIBUS connection
Table 8- 25 PROFIBUS connector assignment
Connector Pin
X126
1
2
3
4
5
6
7
8
9
Standard/advanced CUD
162
WARNING
Signal name
-
-
RxD/TxD-P
CNTR-P
DGND
VP
-
RxD/TxD-N
-
Technical specifications
Not assigned
Not assigned
RS485 receive/transmit data P (B)
Control signal (TTL)
PROFIBUS data ground
Positive supply voltage (5 V +/-10%)
Not assigned
RS485 receive/transmit data N (A)
Not assigned
Operating Instructions, 05/2016, A5E34382853K
SINAMICS DCP