Siemens SIMATIC S7-300 Manual page 9

Table 2-2 Software components
Block
FB "SMS_Meld"
FB "SMS_sr_CPxxx"
Scope
This application does not include the basics of
GSM wireless communications. For more information, refer to document \12\ in
the appendix.
the LAD/ FBD/ STL/ SCL programming languages.
Basic knowledge of these topics is required.
Sending and Receiving SMS Messages with MD720-3
V 2.1, ID Number: 25545680
Function
Generation of an SMS mes-
sage according to a prede-
fined logic
Send/receive management
with SMS library block
Evaluation of a receive SMS
message
Coordinated data exchange be-
tween S7 CPU, serial CP and
MD720-3
2.1 Overview of the overall solution
Comment
Individual user block in
SCL
Universal SMS library
block in SCL
2 Solution
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