sensor 77 slotOmron’s EE-SX77EE-SX87EE-SX97 series photomicrosensors are a cost-effective, easily-integrated solution for various applications. Photomicrosensors (opticalGeneral specifications. Switching function, Normally closed (NC). Output type, NAMUR with safety function. Slot width, 2 mm. Depth of immersion (lateral)