Program Details For The "Evaluating Sms Orders" Scenario - Siemens SIMATIC S7-300 Manual
Sending and receiving sms messages via serial cps and the md720-3 gprs/gsm modem
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Also See for SIMATIC S7-300:
- Manual (676 pages) ,
- Reference manual (574 pages) ,
- Installation and operating manual (356 pages)
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3.4.2
Program details for the "Evaluating SMS orders" scenario
Variables for order allocation
The following code fragment shows the "keywords" for which an SMS message is
checked in this example. You can enter any special "keywords" in the FB
"SMS_Meld" SCL source.
Figure 3-12
The FB "SMS_Meld" function block again uses the FB "SMS_sr_CPxxx" function
block from the SMS library.
Order assignment code fragment
The following section of the documented source code shows how the incoming
SMS message is checked for special "keywords" in a search loop.
Figure 3-13
Sending and Receiving SMS Messages with MD720-3
V 2.1, ID Number: 25545680
3 Functional Mechanisms of this Application
3.4 Scenario: "Receiving and evaluating SMS orders"
25
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