Yaskawa MotionWorks IEC Toolboxes - Manual (Page 528)

Yaskawa Toolbox: Function Blocks
MotionWorks IEC61131-3 Toolboxes: 2013-09-13 515
Blink
This function block will toggle the Output at the frequency specified at the input. If Frequency is set to 1.0, then
the output will be on for 500 msec and off for 500 msec. Note that the actual frequency may be affected by the
application scan rate in which this function block is placed.
Parameters
Parameter Data
Type Description
VAR_INPUT Default
B Enable BOOL
The function will continue to execute while enable is
held high.
FALSE
V Frequency LREAL The cycle rate in Hertz. LREAL#0.0
VAR_OUTPUT
B Valid BOOL Indicates if the function is operating
V Output BOOL Toggled at the specified frequency when the function is enabled.
Error Description
The valid output will be high if the function is operating. If Enable is held high and the Frequency is not greater
than zero, the valid output will be low.
Example
Blink_1 was placed in a 10ms task so the expected output is 50ms on and 50ms off which corresponds to 5
cycles on, 5 cycles off.