This Function Block creates an absolute phase shift in the master position of a slave axis. The master position is shifted in relation to the real physical position. This is analogous to opening a coupling on the master shaft for a moment, and is used to delay or advance an axis to its master. The phase shift is seen from the slave. The master does not know that there is a phase shift experienced by the slave (MasterPos as seen from the SlaveAxis = PhysicalMasterPos + PhaseShiftValueSlaveAxis, the phase shift value has the character of a position offset) The phase shift remains until another ‘Phasing’ command changes it again.