Note On Operation - Siemens SIMATIC NET S7-1200 Operating Instructions Manual

Installation, connecting up, commissioning

3.4 Note on operation

Table 3- 2 Procedure for installation and connecting up
Step Execution
1 Mount the CM on the DIN rail and connect it to
the module to its right.
2 Secure the DIN rail.
3 Secure the power supply wires to the power
output of the CPU.
4 Secure the wires of the power supply to the
plug supplied with the CM and insert the plug
in the socket on the top of the CM.
5 Connect the PROFIBUS cable to the D-sub
female connector of the CM.
6 Turn on the power supply.
7 Close the front covers of the module and keep
them closed during operation.
8 The remaining steps in commissioning involve
downloading the STEP 7 project data.
PROFIBUS connection
Only use 90° connectors for the PROFIBUS connection. With other connector types, you
cannot close the front cover of the device.
3.4 Note on operation
NOTICE
Closing the front panels
To ensure interference-free operation, keep the front panels of the module closed during
operation.
30
Notes and explanations
Use a 35 mm DIN rail.
The slots to the left of the CPU are permitted.
The pinning is shown beside the socket on the top of the
housing. You will also find this in the section Pin assignment of
the socket for the external power supply (Page 42).
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 interface of the CPU.
You will find more detailed information on loading in the
following sections of the STEP 7 online help:
• "Loading project data"
• "Using online and diagnostics functions"
Operating Instructions, 01/2023, C79000-G8976-C246-06
SIMATIC CM 1243-5