Eao Configurable HMI Panel Manuel d'utilisateur télécharger pdf (Page 8)

Configurable HMI Panel

Installation Guide and User Manual

Page 7 / 16

Keyboard Interface

Both variants (with and without touch screen) of each series use the same key codes. If USB

is selected as keyboard interface the keyboard sends standard HID codes according to the

corresponding table of each series. If serial communication is selected the same hex-values are

sent for the single keys. For serial communication a special protocol is defined

(see section “Serial Interface”).

USB Interface

The keyboard is a standard HID device and

is configured with two interfaces

(keyboard and LED).

Configuration descriptor:

Keyboard interface descriptor:

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Eao Configurable HMI Panel Manuel d'utilisateur Page 8