Service and maintenance
CP 1242-7 V2
50
Operating Instructions, 05/2014, C79000-G8976-C311-00
Date and time of the last dial-in to the GSM network
The data is specified in the ISO 8601 format ("Attach: YYYY-MM-DD hh:mm:ss").
If the time-of-day of the CP has not been synchronized at the time of the dial-in, the time
of the measurement since the beginning of the default time-of-day of the CP (01.01.2009)
is transferred.
If the last attempted dial-in to the GSM network was not successful, "Attach: -" is sent.
Name of the current GSM network
IP address of the CP
Signal strength of the GSM network
–
weak: poor signal quality (-109 ... -91 dBm)
–
medium: medium signal quality (-89 ... -75 dBm)
–
good: good signal quality (-73 ... -53 dBm)
–
no signal: signal too weak to be received
Received Signal Strength Indication (RSSI) - received field strength at the station [0 ... 31]
Status of the connection to the telecontrol server or substitute server (only in "Telecontrol"
mode)
If the data to be sent exceeds the default size of an SMS message, several SMS messages
are sent.
7.2
Downloading firmware
New firmware versions
If a new firmware version is available for the module, you will find this on the Ethernet pages
of the Siemens Automation Customer Support under the following ID:
<TODO>
On the Internet page, select the "Entry list" tab and the "Download" entry type. You will find
the firmware file and a description of the procedure there.
You can recognize that firmware is being loaded by the flashing LEDs of the CP, see section
LEDs (Page 22).
7.3
Module replacement
Module replacement
The STEP 7 project data of the CP is stored on the local CPU. If there is a fault on the
device, this allows simple replacement of this communications module without needing to
load the project data to the station again.
