Siemens CP 1242-7 GPRS V2 Operating Instructions Manual page 33

Table 4- 2 Procedure for installation and connecting up
Step Execution
1 Mount the CP 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 antenna to the SMA socket of the
CP.
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.
CP 1242-7 V2
Operating Instructions, 05/2014, C79000-G8976-C311-00
Installation, connecting up, commissioning
4.2 Installing and commissioning the CP
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 34).
Lower surface of the CP
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"
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