Proface LT3300 - 5.7 All-in-One HMI" Manual do Utilizador descarregar pdf (Página 90)

Chapter 5 Maintenance

5-3

5.2 Periodic Check Points

To keep your LT unit in its best condition, please inspect the following points periodically.

 LT Operation Environment

 Is the operating temperature within the allowable range (0ºC to 50ºC)?

 Is the operating humidity within the specified range (10%RH to 90%RH, dry bulb temperature of 39ºC or

less)?

 Is the operating atmosphere free of corrosive gasses?

When using the LT unit inside a panel, the ambient environment refers to the interior of the panel.

 Electrical Specifications

 Is the input voltage appropriate?

DC19.2 to 28.8V

 Related Items

 Are all power cords and cables connected properly? Have any become loose?

 Are all mounting brackets holding the unit securely?

 Are there many scratches or traces of dirt on the installation gasket?

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Proface LT3300 - 5.7 All-in-One HMI" Manual do Utilizador Página 90