====== Keypad ======
There are two ways to display a keypad in the ComfileHMI. One is to use the [[:comfilehmi:numeric_input:index|numeric input]] widget, and the other is to place the keypad explicitly on the screen with the keypad widget.

{{ :comfilehmi:keypad:keypad.png?nolink |}}

A keypad can be configured to always store its value to a location in a connected external device's((a PLC or MCU connected to the ComfileHMI)) memory, or to a Internal variable.

{{ :comfilehmi:keypad:keypadstore.png?nolink |}}

In the //Design// options there are many styles of keypads to choose from.  After selecting a style the color of the keypad can be further customized.

{{ :comfilehmi:keypad:keypadstore2.png?nolink |}}

{{ :comfilehmi:keypad:keypad2.png?nolink |}}

===== Running an Action Group =====

An [[comfilehmi:user_action_groups:index|action group]] can be assigned to the keypad to be run whenever the keypad is closed.

==== Enter Key ====
{{ :comfilehmi:keypad:keypad_action.png |}}

==== ESC Key ====
{{ :comfilehmi:keypad:keypad_action2.png?nolink |}}

===== Preprocessing Operations =====

The numeric value entered can be multiplied or added to before storing the result to the variable.

{{ :comfilehmi:keypad:aftermulti.png?nolink |}}

===== Referencing the Existing Value =====

Existing values, either as device memory or a ComfileHMI variable, can also be incremented or decremented by the value entered on the keypad.


{{ :comfilehmi:keypad:keypad_operation.png |}}


{{ :comfilehmi:keypad:keypad_operation2.png?nolink |}}

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