SMSB-M20T-AB
SMS Mode
Functions
T
FUNCTION
This function allows displaying information regarding ambient temperature in each Status Notification
SMS; it can only be Activated\Disactivated via SMS.
Automatic
This function allows the device to handle the output in accordance with ambient temperature. It is possi-
ble to preset a threshold temperature (T
Activated\Disactivated only when T
The ambient temperature is checked once every eight seconds, and if:
• T exceeds TS+1° C: the relay output is disactivated (contacts on COM-NC and LED
• T is below TS-0.5° C: the relay output is activated (contacts on COM-NA and LED
If this function is activated, a Status Notification SMS also contains information regarding the preset
threshold temperature.
The Automatic function can be activated/disactivated locally by pressing the button for 5-10 seconds, or
via SMS.
Default settings
After the first installation, default settings are as follows:
• Password: 0000
• Output: OFF (COM-NC, LED
• T
: OFF
FUNCTION
• Automatic: OFF
• Threshold Temp. (T
):+20.0° C
S
Default settings can be changed via SMS.
The default settings can be restored at any moment by proceeding as follows:
• Switch off the device;
• Press and hold down the push button;
• Power up the device (the LED
• When the LED
[ON/OFF]
The settings have been restored.
The settings are saved permanently in the internal memory of the device. In the event of a power failure,
the memorized settings are not lost and they are restored when switching on.
Commands
The command SMS should be sent to the cell phone number corresponding to the SIM card inserted in
the device installed.
The format of a command SMS is:
PASSWORD # COMMAND
After executing a command, the device ALWAYS sends an notification SMS to the cell number that sent
the command.
) between +10.0° C and +40° C. The Automatic function can be
S
is enabled.
FUNCTION
red)
[ON/OFF]
remains unlit for approx. 5 seconds);
[ON/OFF]
lights up, release the push button;
Red).
[ON/OFF]
Green).
[ON/OFF]
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