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Siemens AG
Entry type: FAQ Entry ID: 37408429, Entry date: 08/05/2009
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How do you set up a teleservice connection to LOGO! with an analog modem via the telephone network?

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  • Associated product(s)

Validity
As from the LOGO! 0BA6 device series, an analog modem connection is supported between a PC and the LOGO! basic version 0BA6.
The modem connection can only be configured with LOGO!Soft Comfort as from V6.1. Use the Update Center in the Help menu of LOGO! Soft Comfort to update from V6.0 to V6.1.

Description
The modems used and the COM connection of the computer used are configured according to the description. Once the teleservice connection has been set up, you can use the usual functions like transferring control programs, changing the operating mode of the CPU and running online tests.

Connect the hardware components
Connect both LOGO! and your computer via a 56k modem with an analog telephone connection. The following figure shows in detail how to connect the components needed.


Fig. 01

1)   PC (desktop or laptop)
2)   Local analog modem (recommended: INSYS modem)
3)   PSTN (public telephone network)
4)   Remote analog modem (recommended: INSYS modem)
5)   LOGO! basic version
6)   RS232 cable (9-pin)
7)   RJ11 telephone cable
8)   LOGO! modem cable (length: 0.5 m)
9)   Plug-in connector marked with the visible text "MODEM"
10) Plug-in connector marked with the visible text "PC CABLE"
11) LOGO! PC cable

Additional information
The analog modems must meet the following requirements:

  • 11-bit send capacity (8 data bits, 1 stop bit, 1 even parity bit).
  • Output capacity fro AT standard commands or commands that function as AT standard commands.
  • The modem connected to the LOGO! modem cable must be able to supply a current of at least 5 mA via pin 1 of the RS232 interface (recommended: INSYS modem).

Only analog connections are supported. Access via GSM or ISDN protocol is not possible.

Change the COM connection
Proceed as follows to change the COM connection of your PC.
 

No. Remarks
1 Navigate to "System Properties" via "Start -> Settings -> Control Panel -> System".


Fig. 02

In the "System Properties" dialog you open the "Hardware" tab and then click on the "Device Manager" button.


Fig. 03

In the folder tree of the "Device Manager", you select the item "Ports (COM & LPT)", right-click on the COM connection used (e.g. COM1) and in the pop-menu that opens you select the item "Properties".


Fig. 04

Additional information
You need administrator rights to change the settings of the COM connection.

2 In the Properties dialog of the COM connection selected, you assign the parameters in the "Port Settings" tab.
 
Bits per second Data bits
Data bits 8
Parity Even
Stop bits 1
Flow control None
Table 01


Fig. 05

Click "OK" to finish assigning parameters.

Table 02

Configure and set up a teleservice connection
Proceed as follows to set up an analog teleservice connection between your PC and a LOGO! basic version.
 

No. Remarks
1 Modem information
In the menu bar of LOGO! Soft Comfort, you select "Tools -> Connect Modem...".


Fig. 06

This starts the modem connection wizard that guides you through the steps one by one. Click the "Next >" button to move on to the next step in each case.


Fig. 07

Additional information

  • This description shows the initial configuration of the modems and telephone connection needed.
  • More information about this topic is available in the Online Help under "Tools -> Set up modem connection".
2 Select modem
Activate the "Remote Modem" check box to configure the remote modem. Then click on the "Next >" button.


Fig. 08

Additional information

  • During the initial configuration, the modem connection wizard automatically opens the configuration dialog for the local modem.
  • More information about this topic is available in the Online Help under "Tools -> Set up modem connection - Select modem".
3

Select remote configuration
Select the "Create new configuration" option to create a new configuration for your remote modem. Then click on the "Next >" button.


Fig. 09

Additional information

  • If there are no configurations available (if you are using the configuration wizard for the first time, for example), you only have the "Create new configuration" option available.
  • More information about this topic is available in the Online Help under "Tools -> Set up modem connection - Select remote configuration".
4 Configure remote modem command
In "Modem name" line you assign a name for the configuration of the remote modem (here: "INSYS remote"). In this way, you can later assign the configuration to the modem concerned. Activate the "Default" check box to set the default settings for the modem commands. Save your settings by clicking on the "Save Configuration" button under the settings entered for the modem. Then click on the "Next >" button.


Fig. 10

Additional information

  • Experienced users can enter their own commands for the remote modem to suit their individual needs.
  • More information about this topic is available in the Online Help under "Tools -> Set up modem connection - Select remote configuration".
5 Configure remote modem
Connect the remote modem to the COM connection of your PC via an RS232 cable. Activate the "Done" check box, select the COM connection you are using and transfer the configuration to the remote modem via the "Configure Remote Modem" button.


Fig. 11

Connect your LOGO! to the telephone network as described under Connect the hardware components. Pay attention to the labeling of the connectors of the LOGO! modem cable.

Additional information

  • The configuration stored is retained in the modem even if the power fails.
  • More information about this topic is available in the Help under "Tools -> Set up modem connection - Configure remote modem".
6

Select local configuration
Select the "Create new configuration" option to create a new configuration for your local modem. Then click on the "Next >" button.


Fig. 12

Additional information

  • If there are no configurations available (if you are using the configuration wizard for the first time, for example), you only have the "Create new configuration" option available.
  • More information about this topic is available in the Help under "Tools -> Set up modem connection - Select local configuration".
7 Configure local modem command
In "Modem name" line you assign a name for the configuration of the local modem (here: "INSYS local"). In this way, you can later assign the configuration to the modem concerned. Activate the "Default" check box to set the default settings for the modem commands. Save your settings by clicking on the "Save Configuration" button under the settings entered for the modem. Then click on the "Next >" button.


Fig. 13

Additional information

  • Experienced users can enter their own commands for the remote modem to suit their individual needs.
  • More information about this topic is available in the Help under "Tools -> Set up modem connection - Configure local modem command".
8 Configure telephone number
Click on the "Add New" button and then enter the connection number of the remote modem in the table. Specify a name and description of the connection to ensure unique assignment.


Fig. 14

Additional information

  • Use the "Add New" button to enter data in the table; click in the field concerned and acknowledge your entry with the Enter key.
  • You can add multiple telephone numbers and you then just choose the number required in each case.
  • You can remove table entries by marking them and then clicking on the "Remove" button.
  • More information about this topic is available in the Help under "Tools -> Set up modem connection - Configure telephone number".
9 Set up a teleservice connection
Connect the local modem to the COM connection of your PC with an RS232 cable and to an analog telephone connection via an RJ11 telephone cable. Activate the "Done" check box and specify the COM connection you are using. The "Dial" button is activated. Mark an entry in the "Telephone number list" and click on the "Dial" button to set up a teleservice connection to the LOGO! required.
10 Disconnect the teleservice connection
Disconnect the connection via the menu bar by selecting "Tools -> Disconnect Modem".


Fig. 15

Additional information
More information about this topic is available in the Help under "Tools -> Disconnect modem connection".

Table 03

Find the Help function
More information on the individual steps is available in the "Help for LOGO! Soft Comfort". You find the Help by selecting "Help -> Contents" in the menu bar.


Fig. 16

Select the "Table of Contents" tab and navigate in the tree structure via "User interface -> Menu bar -> Tools menu to the item "Tools -> Connect Modem ->  ...(subitem required)".


Fig. 17

Options for accessing LOGO! via a teleservice connection
Once you have set up a connection to LOGO! via the telephone network, you use the LOGO! Soft Comfort functions as usual.
You can transfer control programs, change the operating mode of the CPU and run online tests.

Additional information
More information about this topic is available in the Help under "Tools -> Set up modem connection - Configure telephone number".

Keywords
Teleservice, Modem, Analog