Siemens SIMATIC NET Especificaciones descargar pdf (Pagina 239)

Chapter 14. Troubleshooting 229

If this is not the problem, you may have the Latch Data option enabled while

experiencing a communication failure. To determine if this is the problem, turn off

the Latch Data option. If the links on the screen change to question marks, you are

experiencing a communication failure. Refer to the topic Answers to Common

Questions to resolve this issue.

You also receive old data if your exception deadband is larger than the change in data.

For example, if your deadband is 20 but data fluctuates between 5 and 15, the

deadband is never exceeded and no new data is sent. To correct this problem, reduce

the deadband value.

See Also

Feature: Using Latched Data | Using Primary and Secondary Poll Rates with Access

Time | The driver does not communicate to any device

I cannot see the driver in the Database Manager

If you cannot see the driver, FIX or iFIX has not loaded it.

To configure FIX/iFIX to load the driver on startup

[1] Make sure you have installed the driver in the root FIX or Dynamics directory.

[2] If the driver is installed in a different path, uninstall it and then re-install it in

the root FIX or iFIX directory.

[3] Start the System Configuration Utility (SCU) and select SCADA from the

Configure menu. The SCADA Configuration dialog box appears.

[4] Verify that the driver is listed in the SCADA Configuration dialog box. If it is

not listed, add it.

[5] Select Tasks from the Configure menu. The Task Configuration dialog box

appears.

Scan time: 10 seconds

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Siemens SIMATIC NET Especificaciones Pagina 239