Siemens 6GK7242-7KX30-0XE0 User Manual

 

Installation, connecting up, commissioning 

 

3.2 Installing and commissioning the CP 

CP 1242-7 
Operating Instructions, 03/2012, C79000-G8976-C247-03 

31

 

Table 3- 2 

Procedure for installation and connecting up 

Step 

Execution 

Notes and explanations 

1 

Mount the CP on the DIN rail and connect it to 

the module to its right. 

Use a 35 mm DIN rail. 
The slots to the left of the CPU are permitted. 

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. 

The pinning is shown beside the socket on the top of the 

housing. You will also find this in the section Pin assignment of 

Connect the antenna to the SMA socket of the 

CP. 

Lower surface of the CP 

5 

Notice 
  Protect the antenna connector using suitable overvoltage protection equipment if the antenna cable is 

longer than 30 m. 

  Protect the antenna connector with suitable lightning protection if you install the antenna outdoors. 

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. 

The STEP 7 project data of the CP is transferred when you 

load 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"