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Siemens SIMATIC 400 Manuals
Manuals and User Guides for Siemens SIMATIC 400. We have
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Siemens SIMATIC 400 manual available for free PDF download: Manual
Siemens SIMATIC 400 Manual (53 pages)
Sending and Receiving SMS Messages via serial CPs and the MD720-3 GPRS/GSM Modem
Brand:
Siemens
| Category:
Modem
| Size: 1.5 MB
Table of Contents
Warranty and Liability
4
Table of Contents
5
1 Problem
7
Overview of the Automation Problem
7
Description of the Automation Problem
7
2 Solution
8
Overview of the Overall Solution
8
Description of the Core Functionality
10
Scenario: "Generating and Sending an SMS Message
10
Scenario: "Sending an SMS Message with Attached Coefficient
11
Scenario: "Receiving and Evaluating an SMS Order
11
Scenario: "Receiving a Remote Query of a Value
12
Hardware and Software Components Used
13
Hardware for the SIMATIC Station
13
GSM Components
14
Software Components
14
Performance Data
15
3 Functional Mechanisms of this Application
17
Program Overview
17
Scenario: "Generating and Sending an SMS Message
19
Diagram for the "Generating and Sending an SMS Message" Scenario
19
Program Details for the "Generating and Sending an SMS Message" Scenario
20
Scenario: "Sending an SMS Message with Attached Coefficient
22
Diagram for the "Sending an SMS Message with Attached Coefficient" Scenario
22
Program Details for the "Sending an SMS Message with Attached Coefficient" Scenario
23
Scenario: "Receiving and Evaluating SMS Orders
24
Diagram for the "Evaluating SMS Orders" Scenario
24
Program Details for the "Evaluating SMS Orders" Scenario
25
Scenario: "Receiving a Remote Query of a Value
26
Diagram for the "Receiving a Remote Query of a Value" Scenario
26
Program Details for the "Receiving a Remote Query of a Value" Scenario
27
4 Installation
28
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
5 Commissioning of the Application
33
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
6 Operation of the Application
43
Sending an SMS Message (Scenario 1/Scenario 2)
43
Generating and Sending an SMS Message
43
Sending an SMS Message with Attached Coefficient
45
Receiving an SMS Message (Scenario 3/Scenario 4)
46
Receiving and Evaluating an SMS Message
46
Remote Query of a Value
47
7 Further Information
50
8 References
52
9 History
53
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