Pin Assignment Of The Socket For The External Power Supply - Siemens CM 1243-5 Operating Instructions Manual

Installing, connecting up and commissioning

3.3 Pin assignment of the socket for the external power supply

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.
3.3 Pin assignment of the socket for the external power supply
Figure 3-2
22
Socket for the external 24 VDC power supply (view from above)
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 22).
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, 04/2011, C79000-G8976-C246-01
CM 1243-5