With this small addition, the ASmicro is able to sent this messages automatically per SMS. In this case, the device is fitted with a GSM modem.
Of course, a SIM card is also required. Important: ensure that the SIM card has always a credit!
The number to which the SMS is sent may be edited in the menu.
Such a GSM connection has also a data channel port. This enables the user to read per remote access the stored process data from the USB stick.
The antenna can either be mounted directly on the device or on another location.