Siemens CP 1243-7 LTE Operating Instructions Manual page 39

Note
Turning off the station when plugging/pulling the CP
Do not only turn off the power supply to the CP. Always turn off the power supply for the
entire station.
Table 3- 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 CP and insert the plug
in the socket on the top of the CP.
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 long-
•
er than 30 m.
Protect the antenna connector with suitable lightning protection if you install the antenna outdoors.
•
If you install several CPUs close to each other, keep to a minimum clearance of 50 cm between the anten-
•
nas.
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 1243-7 LTE
Operating Instructions, 04/2017, C79000-G8976-C381-03
Installation, connecting up, commissioning
3.2 Installing the CP and commissioning
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 hous-
ing. You will also find this in the section Pin assignment of the
socket for the external power supply (Page 136).
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 engineer-
ing 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 follow-
ing sections of the STEP 7 online help:
"Loading project data"
•
"Using online and diagnostics functions"
•
39