3.
Select the Data export/import Data export menu items in the
main menu.
The submenu opens.
4. Select one of the following options:
n n [Temperature graphic]
n n [Device status]
n n [Device data]
n n [Control parameters]
n [Analog module config.]
n [Contact module config.]
5. Start the export by pressing the Enter key [OK].
Messages appear on the display during the export:
n Data export to USB stick started.
n Data export to USB stick has been successfully completed.
Confirm the message by pressing the Enter key [OK] once the
data export has been completed.
If the data export was not successful, the message "Data export to USB stick
failed" appears on the display. Press [OK] to confirm.
Check that the USB stick was inserted correctly and that there is enough
free memory space (at least 1 MB).
Start the data export again.
6.25 Operation with inert gas blanket
WARNING!
Gas displaces atmospheric oxygen
Danger of asphyxia
Only use the inert gas overlay in areas with good aeration.
The IN 2560 XTW is equipped as standard with a connection for an inert
gas blanket (e.g. dry nitrogen). The properties of the heat transfer liquid can
be maintained for longer with an inert gas overlay. The gas is guided directly
over the surface of the heat transfer liquid in the device. The gas flows out
through the device overflow.
Advantages of an inert gas blanket:
n The inert gas reduces the condensation of moisture in the heat transfer
liquid.
n The inert gas reduces oxidation of the heat transfer liquid.
n The inert gas increases the service life of the heat transfer liquid.
V6 Integral Process Thermostats and High-Temperature Thermostats 129 / 198
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