FB_HVACBlink
Application
The function block delivers a flash sequence at the output bBlink that is dependent on the two adjustable times tTimeOn and tTimeOff.
VAR_INPUT
bEnable :REAL;
tTimeOn :TIME;
tTimeOff :TIME;
bEnable: enable of the function block.
tTimeOn: switch-on time of the flash pulse, bBlink = TRUE.
tTimeOff: switch-off time of the flash pulse, bBlink = FALSE.
VAR_OUTPUT
bBlink :BOOL;
tNextSwitching :TIME;
bBlink: flash output
tNextSwitching: time until the next change of state of the output bBlink .
Behavior of the output value