code: def set_position(self, x, y, speed=None):
          ''' Move chuck to absolute position in um'''
          if speed:
              self._intf.write('MoveChuckSubsite %1.1f %1.1f R Y %d' % (x, y, speed))
          else:
              self._intf.write('MoveChuckSubsite %1.1f %1.1f R Y' % (x, y)f set_position(self, x, y, speed=None):
          ''' Move chuck to absolute position in um'''
          if speed:
              self._intf.write('MoveChuckSubsite %1.1f %1.1f R Y %d' % (x, y, speed))
          else:
              self._intf.write('MoveChuckSubsite %1.1f %1.1f R Y' % (x, y))
docs: Move chuck to absolute position in um