User Manual

Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
14System features
Page 172 of 401
The UART test pins fails if the +UTEST command is exited and re-entered without an intervening power
cycle.
14.5Internal temperature monitor +UTEMP
+UTEMP
SARA-R410M-02B SARA-R410M-52B SARA-R410M-63B SARA-R410M-73B SARA-R410M-83B
SARA-R412M
Modules
SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
partial No No No - +CME Error
14.5.1Description
Returns the values of internal temperature sensors of the specified unit.
The command handling (sensors position and command syntax) depends on the module series:
SARA-R4 / SARA-N4 - The AT command returns the value measured by the temperature sensor on the Die.
14.5.2Syntax
Type Syntax Response Example
Set AT+UTEMP=<unit> OK AT+UTEMP=0
OK
Read AT+UTEMP? +UTEMP: <die_temp>[,<unit>]
OK
+UTEMP: 100,1
OK
Test AT+UTEMP=? +UTEMP: (list of supported <unit>)
OK
+UTEMP: (0-1)
OK
14.5.3Defined values
Parameter Type Description
<unit> Number Select the measurement unit for value representation:
0: values in tenth of Celsius degrees returned
1: values in tenth of Fahrenheit degrees returned
<die_temp> Number Fetched value of Die temperature of the selected measurement unit; the allowed
range depends on the measurement unit:
Celsius degrees: [-40; 140]
Fahrenheit degrees: [-40; 284]
655355: no valid temperature measure is available
14.5.4Notes
SARA-R410M-02B
The command is not supported by SARA-R410M-02B-00.
SARA-R4 / SARA-N4
The <unit> parameter is not provided in the information text response to the read command.
14.6Back up the file system +UBKUPDATA
+UBKUPDATA
Modules SARA-R410M-02B SARA-R410M-52B SARA-R412M
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
14.6.1Description
Backs up the file system. If file system corruption is detected, the module autonomously restores the last
backup. If no backup has been performed, the factory-programmed file system image is restored. Upon