The SMS-specific function blocks (SendSMS and ReceiveSMS) are used to establish a connection with a GSM Modem to send and receive SMS.
NOTE: An example of an SMS program that uses both the SendSMS and ReceiveSMS function blocks is included in EcoStruxure Machine Expert's examples. This file (Modem_SMS.project) is accessible from the Home menu.
This section contains the following topics: