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This issue has only been seen when Schneider-Electric Driver Software is installed after the Sepam SFT2841 software. It installs Modbus drivers that can overwrite the existing Modbus driver. This can also cause additional Modbus Drivers to be installed. The SFT2841 software will appear to run slower when connecting to the Sepam 20, 40, or 80 relay through the front panel connection. After selecting connect in the software it will take over 1 minute before the window is updated. Switching between tabs in the setup mode will take 30 to 40 seconds to refresh. There have been some instances where other computer programs run slow when the SFT2841 is running slow.
The solution is to uninstall the incorrect Modbus Driver and install the SFT2841 Modbus driver that is supplied with the SFT2841 installation. The version should be 1.5 or newer.
To uninstall the Modbus driver:
Last Revised: September 7, 2007
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