Yaskawa MotionWorks IEC - Manual (Page 163)

PLCopenPlus Function Blocks for Motion Control 2013-04-13 155
MC_StepRefPulse
This function Block performs homing by searching for Zero pulse (also
called Marker or reference pulse) in the encoder on all Sigma Series rotary
servos.
Parameters
Parameter Data type Description
VAR_IN_OUT
B Axis AXIS_REF Logical axis reference. This value can be located on the Configuration
tab in the Hardware Configuration (logical axis number).
VAR_INPUT Default
B Execute BOOL Upon the rising edge, all other
function block inputs are read and
the function is initiated. To modify
an input, change the value and FALSE