Miniature Optical Limit Switch 3.3V 5V

$3.95$5.88

PI1 Optical Limit Switch

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The PI1 optical limit switch features an infrared photointerrupter to detect position when a blade crossed the gap. The datasheet for the Rohm Semiconductor RPI-441C1E is available here.

The RPI-441C1E is small but features a large 4mm gap. The circuit is built to provide a logic HIGH at detection, with visual LED feedback. The 3-pin connector (Signal, Power, Ground) is mounted outside the travel path of the blade. For maximum mounting flexibility, the PI1 is available with various connector mount configurations:

  • No connector. For DIY applications. The user will supply the connector or solder the wires directly to the connector holes.
  • Right angle pins on Top (same side as the sensor)
  • Right angle pins at Bottom
  • JST connector on Top. This option includes a keyed female JST with 20cm pigtail.
  • JST connector at Bottom. This option includes a keyed female JST with 20cm pigtail.

Note: Multiple PI1 cannot connect to a single limit input since the inactive sensor will prevent the active signal from going HIGH. The PI1 requires a dedicated input, such as the F46.

Miniature Optical Limit Switch 3.3V 5V

Dimensions

0.65 x 0.40in. (16.5 x 10.2mm)
0.09 in (2.3mm) diameter mounting hole, with 0.185 in (4.7mm) mounting pad.

Output

Normally LOW. Logic HIGH when interrupt. LED is turned ON when interrupt.

Operating Voltage

3.3V to 5V

Photointerrupter

Rohm Semiconductor RPI-441C1

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