Table Of Contents - 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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Warranty and Liability ................................................................................................. 4
1
Problem............................................................................................................... 7
1.1
1.2
2
Solution............................................................................................................... 8
2.1
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.3
2.3.1
2.3.2
2.3.3
2.4
3
Functional Mechanisms of this Application ................................................. 17
3.1
3.2
3.2.1
3.2.2
3.3
3.3.1
3.3.2
3.4
3.4.1
3.4.2
3.5
3.5.1
3.5.2
4
Installation ........................................................................................................ 28
4.1
4.1.1
4.1.2
4.1.3
4.1.4
4.2
4.3
5
Commissioning of the Application ................................................................ 33
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.2
Sending and Receiving SMS Messages with MD720-3
V 2.1, ID Number: 25545680
Overview of the automation problem ................................................... 7
Description of the automation problem ................................................ 7
Overview of the overall solution ........................................................... 8
Description of the core functionality ................................................... 10
Hardware and software components used......................................... 13
Hardware for the SIMATIC station ..................................................... 13
GSM components ............................................................................... 14
Software components ......................................................................... 14
Performance data ............................................................................... 15
Program overview .............................................................................. 17
scenario .............................................................................................. 19
message" scenario ............................................................................. 20
coefficient" scenario ........................................................................... 22
attached coefficient" scenario ............................................................ 23
Diagram for the "Evaluating SMS orders" scenario ........................... 24
Program details for the "Evaluating SMS orders" scenario ................ 25
scenario .............................................................................................. 27
Hardware configuration of the S7 station ........................................... 28
S7-300 station with CP 340 ................................................................ 28
S7-300 station with CP 341 ................................................................ 29
S7-300 station with ET 200S with 1SI module ................................... 30
S7-400 station with CP 441-2 ............................................................ 31
MD720-3 hardware configuration ....................................................... 32
Software installation ........................................................................... 32
General preparations .......................................................................... 33
Installing the application software ...................................................... 33
Setting the baud rate of the MD720-3 ................................................ 33
Setting the modem parameters .......................................................... 35
Configuring the serial CPs.................................................................. 37
Downloading the STEP 7 project ....................................................... 41
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