DX-S35F (5 optical zones) Detection area setting feature
DX-S33C (3 optical zones)
*1 : Open the M/S (Master and slave) output when using the sensor individually. Short-circuit the output to 0V when the sensors is the final slave in a M/S connection.
*2 : M/S input of the sensor during individual use or of the first (master) sensor should be open.