Elo TouchSystems 2201L Specifiche Scaricare il pdf (Pagina 103)

Command Descriptions 93

Nonvolatile RAM ('N')

Function: Saves/restores controller settings in the on-board nonvolatile

memory (NVRAM). NVRAM can be used to store power-on defaults.

Power-on defaults are from NVRAM if the J7 jumper is installed. The use of

NVRAM is discussed on page 8 and in Chapter 4—SmartSet Tutorial.

The least significant bit of the Direction byte is 1 to save the settings in NVRAM,

or 0 to restore the settings from NVRAM.

The Areas byte has the following bit positions:

Bit Area

0 Setup Area

1 Calibration

2 Scaling

The Setup Area consists of all parameters except the Calibration and Scaling

parameters. All three areas may be saved or restored in any combination by setting

the appropriate bits.

The least significant bit of the Page byte is 0 for the primary area, or 1 for the

secondary area. The Page is only required if setting the Calibration or Scaling

parameters, as the controller only has one Setup Area.

Factory default settings in NVRAM are given in each command description.

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Elo TouchSystems 2201L Specifiche Pagina 103