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Installation, connecting up, commissioning, operation
3.3 Pin assignment PROFIBUS
Procedure for installation and commissioning
Step
3.3
Pin assignment PROFIBUS
PROFIBUS interface
The table below shows the terminal assignment of the PROFIBUS interface. The assignment
corresponds to the standard assignment of RS485 interface.
Table 3- 1
24
Execution
1
When installing and connecting up,
keep to the procedures described for
installing I/O modules in the system
manual "S7-1500 Automation Sys-
tem".
2
Connect the CM to PROFIBUS via the
RS-485 socket.
3
Turn on the power supply.
4
Close the front covers of the module
and keep them closed during opera-
tion.
5
The remaining steps in commission-
ing involve downloading the STEP 7
project data.
Terminal assignment PROFIBUS interface
View
Notes and explanations
Lower surface of the CM
The STEP 7 project data of the CM is transferred
when you download to the station. To load the
station, connect the engineering station on which
the project data is located to the Ethernet/MPI inter-
face of the CPU.
You will find more detailed information on loading in
the following sections of the STEP 7 online help:
Downloading project data
•
Using online and diagnostics functions
•
Signal name
1
-
-
2
-
-
3
RxD/TxD-P
Data line A
4
RTS
Request To Send
5
M5V2
Data reference potential (from station)
6
P5V2
Supply plus (from station)
7
-
-
8
RxD/TxD-N
Data line B
9
-
-
Operating Instructions, 11/2018, C79000-G8976-C290-04
Designation
CM 1542-5
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