1PC PL300 Angle Sensor — PL300 Series Tilt / Inclination Sensor

PL300 SERIES · TILT & INCLINATION · 0–360° · INDUSTRIAL-GRADE

The PL300 Angle Sensor is a panel-mount or chassis-mount industrial tilt / inclination transmitter designed for continuous angular measurement on solar trackers, mobile equipment, crane booms, AGV chassis, shipborne platforms and robotic joints. The PL300 series covers single-axis and dual-axis variants with 0–360° measurement range and 4-20 mA / 0-10 V / RS-485 / CAN outputs, making it a drop-in feedback device on Allen-Bradley, Siemens, Mitsubishi, Omron, Fanuc, Schneider, Yaskawa, Panasonic and KEYENCE controlled automation lines.

Important — generic P/N notice. The string “PL300” is used by several sensor vendors (Cui Devices, Murata, TE Connectivity, and solar-tracker OEMs) and the connector pinout, output type and mounting footprint differ between variants. To avoid shipping the wrong device, please send a clear photo of the original nameplate and connector pinout to our sourcing inbox before release. See Section 5 for the full confirmation checklist.

1. Key Technical Specifications & Overview

The PL300 series is built around a MEMS or electrolytic sensing element housed in an IP65 / IP67 anodized aluminum or stainless steel body, with M12 or cable-gland output. The table below lists the common envelope of the family. For an exact spec sheet, ask our sourcing team for the variant-matched datasheet.

2. Application Scenarios — Where the PL300 Fits

The PL300 series is a general-purpose angle transmitter for harsh-environment industrial sites. Below are the typical installations we see in factory automation, energy, and mobile-equipment projects. Pair it with a 1756-L73 ControlLogix processor, a Siemens S7-1200 CPU 1214C, or any Mitsubishi MELSEC-Q Q02HCPU on the controller side to log tilt in real time.

• Solar tracker positioning — feedback loop on single-axis and dual-axis photovoltaic arrays to keep panel azimuth and elevation locked against wind load.
• Crane boom angle — safe-load indicator (SLI) and anti-two-block interlocks on mobile and tower cranes.
• AGV / AMR tilt safety — chassis leveling on automated guided vehicles in warehouse and assembly cells.
• Ship roll and pitch — dynamic positioning reference on offshore service vessels and inland barges.
• Off-highway vehicle leveling — chassis and outrigger leveling on agricultural and construction machinery.
• Mobile equipment cab tilt — operator-cab safety cutoff for forestry and material-handling equipment.
• Robotic arm joint feedback — secondary absolute-angle reference on Fanuc, Yaskawa and KEYENCE vision-guided cells.
• Process control dampers and gates — blade position feedback on wastewater and chemical Modicon M340 skids.

3. Integration & Wiring Notes

The PL300 family offers four output families. Confirm the output of your original unit before quoting, then wire to the matching channel on the controller. Use shielded twisted-pair for analog runs and 120 Ω termination on long RS-485 trunks.

Shielding & grounding. Ground the cable shield at the controller end only. Keep the sensor cable at least 200 mm away from VFD power cables (e.g. Schneider Altivar ATV320 or Yaskawa Varispeed CIMR-V) to avoid common-mode noise. Where the sensor output is 0-10 V and the controller is > 5 m away, fit a signal isolator at the cabinet entry.

4. Installation & Commissioning Tips

• Mounting surface must be flat and rigid. The PL300 housing is calibrated to the reference face — any twist in the bracket shows up as a static offset. Use a machined plate or factory-supplied mounting kit.
• Set the zero on a known-horizontal jig. Apply 24 VDC, wait 60 s for thermal stabilization, then issue the zero command (Modbus register 0x0006 or analog “teach” wire, variant dependent).
• Watch the temperature window. Below −20 °C the electrolyte thickens and the response slows by ~30 %; above +70 °C expect a small linear drift. Where the site is unconditioned, ask for the extended-temperature variant.
• Validate the loop at first power-up. With the sensor on the bench, sweep 0° / 30° / 60° / 90° and check the 4-20 mA current against PLC Analog Calculator expected values.
• For solar tracker use — install the sensor on the moving frame, not the fixed pier, and use a UV-resistant cable gland. Re-torque the mounting bolts every 12 months; vibration is the #1 cause of slow zero drift in the field.
• For crane / off-highway use — add a secondary mechanical limit switch as a safety backup. The PL300 is the feedback, the limit switch is the interlock.
• Spare strategy — for production lines running 24/7, KOEED recommends keeping 1 spare PL300 in the panel with a sticker showing the calibrated zero — swap-and-go is faster than re-zero on the tower. Keep the spare on the real-time records list so it is auto-refreshed.

5. Procurement, Warranty & Lead Time

PL300 is a generic P/N that overlaps across at least three vendor families (Cui Devices industrial inclinometer, Murata SCA100T / SCA103T class, and solar-tracker-OEM housings). The connector, output and calibration certificate differ between variants. To avoid a wrong shipment, please send KOEED the following when requesting a quote:

• A clear photo of the original sensor nameplate (front and back).
• A photo of the connector or cable, with each pin / wire colour labelled.
• The output type in use (4-20 mA, 0-10 V, RS-485, CAN) — or the model code on the instrument panel that drives it.
• The mounting footprint (M5 vs. M6, hole spacing) and the application (solar / crane / AGV / ship) so we can recommend a cross-reference.
• Quantity per shipment, target landed country, and any required certifications (CE, UL, RoHS).

Once confirmed, KOEED will return a part-number-locked quote within 24 hours. The PL300 series ships with a 12-month functional warranty, calibrated zero certificate, and worldwide shipping via DHL / FedEx / UPS. For project volumes above 50 units per quarter we can hold buffer stock in our Shenzhen bonded warehouse and release on call-off — ask Moritta@KOEED.COM for the call-off template. Cross-reference options against KEYENCE LV-N11N and Omron E2E proximity families are available for adjacent sensing tasks.

Need help confirming the variant or a cross-reference? Email Moritta@KOEED.COM or use the Request a Quote form. KOEED — Your Trusted PLC Supplier. Home · Contact · About KOEED