Parameter Declaration Data type Description
Clear INPUT BOOL Edge change 0-1 clears the keyboard buffer.
Default: FALSE
TimeAutoClear INPUT TIME Duration within a further key must be pressed. Oth-
erwise the keyboard buffer is cleared.
0: Buffer is not cleared
Default: 10s
CountCharAutoEnter INPUT INT Number of characters, which are automatically
output as keyboard buffer.
0: deactivated
Default: 0
Column1 OUTPUT BOOL Column 1 of the keyboard matrix.
Default: FALSE
Column2 OUTPUT BOOL Column 2 of the keyboard matrix.
Default: FALSE
Column3 OUTPUT BOOL Column 3 of the keyboard matrix.
Default: FALSE
Output OUTPUT BYTE Contents of the keyboard buffer as max. 16 byte
string.
Valid OUTPUT BOOL The static output indicates that the string at Output
is valid. The signal is pending for one cycle.
Error OUTPUT BOOL Error is activated for the time TimeError when a key
is pressed, but the keyboard buffer is full.
TimeDebounce CONSTANT TIME Time for debounce of the inputs.
Default: 100ms
TimeError CONSTANT TIME Time for the duration of the error signal.
Default: 500ms
TimeDelay CONSTANT TIME Duration after setting the column outputs up to
reading the corresponding row inputs. This time
must be greater than the delay time of the used
module.
Default: 10ms
VIPA SPEED7
Building Control
Access Control > FB 50 - KEYPAD2 - Keyboard
HB00 | OPL_SP7 | Operation list | en | 18-30 113
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