ASI Technology
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GPRS Based Industrial Remote Monitoring & Control System

Tele Control Basic for the Sub-Stations Scalable sub-stations based on SIMATIC S7 controls Overview.

Description

As a remote control system for simple control tasks, TeleControl Basic connects the control center with the remote sub-stations via GPRS or the internet. A sub-station enables both remote communication with a control center (central) and cross communication with other sub-stations.

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With the control center software Tele Control Server Basic, up to 5000 sub-stations can be managed efficiently and economically. The sub-stations consist of low-cost SIMATIC S7-1200 and S7-200 controls. The CP 1242-7 communication processor thus makes wireless communication for S7-1200 stations simple and flexible. The CP 1243-1 communication processor enables the installationof sub-stations of S7-1200 to connect to the internet via external router. The proven MD720 modem is also available for field stations based on S7-200. International approvals mean that it can be used worldwide.

Industrial Remote Monitoring & Control System

Gprs Based Industrial Remote Monitoring & Control System
Tele Control Basic for the Sub Stations Scalable sub-stations based on SIMATIC S7 controls Overview

Description

As a remote control system for simple control tasks, TeleControl Basic connects the control center with the remote sub-stations via GPRS or the internet. A sub-station enables both remote communication with a control center (central) and cross communication with other sub-stations.

To the top of the page Details

With the control center software Tele Control Server Basic, up to 5000 sub-stations can be managed efficiently and economically. The sub-stations consist of low-cost SIMATIC S7-1200 and S7-200 controls. The CP 1242-7 communication processor thus makes wireless communication for S7-1200 stations simple and flexible. The CP 1243-1 communication processor enables the installation of sub-stations of S7-1200 to connect to the internet via external router. The proven MD720 modem is also available for field stations based on S7-200. International approvals mean that it can be used worldwide.

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GPRS PLC Based Systems

GPRS PLC Based Systems
  • GPRS PLC Based Systems
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TeleControl Basic for the Sub-StationsScalable sub-stations based on SIMATIC S7 controlsOverview

Description

As a remote control system for simple control tasks, TeleControl Basic connects the control center with the remote sub-stations via GPRS or the internet. A sub-station enables both remote communication with a control center (central) and cross communication with other sub-stations.

To the top of the pageDetails

With the control center software TeleControl Server Basic, up to 5000 sub-stations can be managed efficiently and economically. The sub-stations consist of low-cost SIMATIC S7-1200 and S7-200 controls. The CP 1242-7 communication processor thus makes wireless communication for S7-1200 stations simple and flexible. The CP 1243-1 communication processor enables the installation of sub-stations of S7-1200 to connect to the internet via external router. The proven MD720 modem is also available for field stations based on S7-200. International approvals mean that it can be used worldwide.

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GSM PLC Based System

GSM PLC Based System
  • GSM PLC Based System
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Problem
This application shows how to set up a simple system for switching and signaling by means of SMS messages. The field of application used as an example is a drink vending machine. At regular intervals, the automatic machine checks:

  • The remaining stock of the different types of beverages
  • The coin box level
  • The cooling system temperature. In addition, unauthorized opening of the front is detected using a sensor.

The automatic machine reacts independently to specific events – such as exceeding/falling below limits – and informs the maintenance staff. Irrespective of that, the automatic machine answers requests that have been received for process values.

This automation problem results in the following details regarding the functions of the solution:

  • Sending an SMS message to one parameterizable phone number.
    • Process values can be integrated in the message text.
    • The send routine can be started from the user program of the controller using a trigger.
  • Sending a message to several subscribers (Broadcast)
  • Sending a message with subsequent waiting for acknowledgement (Escalation)
  • Receiving messages.
    Depending on the message text,
    • requested values are read out of the controller and sent to a mobile phone
    • received commands are executed in the controller and a confirmation/error message is sent to the mobile phone.

Solution
The SIMATIC CP 1242-7 modem is the core component of this solution. With the aid of the CP for the SIMATIC S7-1200, short text messages can be sent to any mobile phones and short text messages can be received from these mobile phones. The application example shows how to program the requirements for SMS communication in the user program of the S7-1200 CPU. You can use the functionality fully or partially for your own requirements or customize it.

A SIMATIC CP 1242-7 (2) is connected to a SIMATIC S7-1200 controller 1211C (3) via the bus interface. A SIM card (5) is inserted in the GSM/GPRS modem and an ANT 794-4MR quad-band GSM/GPRS antenna (4) is used for the connection to the air interface. The power supply of all components is provided via a SIMATIC PM 1207 power module (1).


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Hitesh Solanki (Partner)
68, Abhishek Estate, Girnar Scooter Compound Behind Sabari Restaurant, Odhav Ring Road Circle
Ahmedabad- 382415, Gujarat, India


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