Connector Pin Assignments For Em Dp01 - Siemens SIMATIC S7 System Manual

A.10.2

Connector pin assignments for EM DP01

The RS485 communication serial port on the EM DP01 is RS485-compatible on a nine-pin
subminiature D female connector, in accordance with the PROFIBUS standard as defined in
the European Standard EN 50170. The following table shows the connector that provides
physical connection for the communication port and describes the communication port pin
assignments.
Table A- 159 Pin assignments for the S7-200 SMART EM DP01
Pin Number
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
Connector
1
2
3
4
5
6
7
8
9
A.10 EM DP01 PROFIBUS DP module
PROFIBUS
Shield
24 V Return
RS485 Signal B
Request-to-Send
5 V Return
+5 V (isolated)
+24 V
RS485 Signal A
NC
Technical specifications
777