The Itoh Denki Power Moller Model PM320HS-30-170-D-024-PL, engineered and manufactured by Itoh Denki Co., Ltd. in Hyogo, Japan, is an internationally acclaimed Motor Driven Roller (MDR) incorporating internal motor technology designed for high-performance automated material handling and smart intralogistics systems.

Unlike traditional conveyor drives relying on bulky external gearmotors, drive chains, line shafts, or exposed pinch points, the Itoh Denki Power Moller completely encloses its high-efficiency motor, planetary gear reduction train, and precision bearing assemblies inside the roller tube. This design eliminates mechanical pinch hazards, frees up valuable floor space beneath the conveyor bed, and substantially reduces mechanical maintenance costs.

Model Designation Breakdown (PM320HS-30-170-D-024-PL):
- PM320: Power Moller series with an ultra-compact outer tube diameter of approximately ø31.8 mm / ø32 mm, designed for tight-pitch roller matrices.
- HS: High Speed / High Performance motor winding configuration balancing torque and velocity.
- 30: Nominal tangential surface speed rating of 30 meters per minute (30 m/min).
- 170: Calibrated tube length of 170 mm.
- D: High-efficiency, low-noise Brushless DC Motor (BLDC).
- 024: Standard safe industrial input voltage of 24 VDC.
- PL: Shaft configuration with integrated pulse signal lead wire output for closed-loop motion control.

Key Engineering Features & Operational Advantages:
- Maintenance-Free Brushless DC Technology: Eliminates carbon brushes and mechanical commutators, removing internal wear, sparking, and brush carbon dusting. It delivers quiet operation (< 55 dBA) and an extended service lifespan spanning tens of thousands of continuous operational hours.
- Energy-Efficient "Run-on-Demand" Operation: Conforms to modern Zero Pressure Accumulation (ZPA) control methodologies. The roller operates only when a package enters its designated zone and halts immediately when the downstream zone is occupied or clear, reducing electric power consumption by 40% to 60% compared to continuously running AC motor drives.
- Ultra-Compact Diameter for Small Parcel Transfers: The ø32 mm diameter allows close roller spacing, making it ideal for narrow-gap conveyor transitions, right-angle pop-up transfers, and vertical sortation lifts. Small cartons, envelopes, and micro-trays transfer smoothly without dipping or wedging.
- Intelligent Motion Control & Dynamic Braking: Fully compatible with Itoh Denki driver cards (such as the CB-016S, CBM-105, or networked IB-E03B series). Enables instantaneous bi-directional rotation (CW/CCW), multi-stage speed adjustments, electronic dynamic holding brakes, and real-time Hall pulse feedback for precise conveyor positioning.
- Safe 24VDC Industrial Construction: Operates on safe low-voltage 24 VDC power, eliminating high-voltage electrical hazards for maintenance staff. Built with galvanized steel tubing, precision-sealed bearings, and an IP54 industrial dust and splash protection rating.

Typical Industrial Applications:
- Zero Pressure Accumulation (ZPA) conveyor zones in automated e-commerce parcel distribution and postal sortation centers.
- 90-degree right-angle pop-up transfer units (RAT / Diverters) in automated packing and palletizing cells.
- Printed circuit board (PCB) carrier lines, semiconductor cleanroom tray handling, and consumer electronics assembly.
- Automated blister pack and vial conveying in pharmaceutical packaging and clean food processing plants.

• Manufacturer: Itoh Denki (Itoh Denki Co., Ltd.)
• Country of Origin: 100% Japan (Made in Japan)
• Product Line: Power Moller PM320 Series Motorized Driven Rollers (MDR)
• Model Designation: PM320HS-30-170-D-024-PL
• Internal Motor Technology: High-efficiency Brushless DC Motor (BLDC)
• Rated Operating Voltage: 24 VDC (±10%)
• Roller Tube Diameter: ø31.8 mm / ø32 mm (Ultra-compact profile)
• Usable Tube Length: 170 mm
• Nominal Surface Speed: 30 m/min (at rated 24 VDC)
• Tube Metallurgy: Heavy-duty galvanized steel tube (anticorrosive finish)
• Shaft Configuration: Precision steel mounting shafts with integrated anti-rotation flats
• Control Output: Integrated pulse output signal (Hall sensor feedback) via flying lead cable
• Directionality: Bi-directional capability (Clockwise / Counter-Clockwise programmable)
• Braking Mode: Electronic dynamic braking / holding function via driver card
• Compatible Driver Cards: Itoh Denki CB-016S, CBM-105, IB-E Series network drivers
• No-Load Current Draw: Approximately 0.2 A
• Rated Load Current Draw: Approximately 1.2 A to 1.8 A (load dependent)
• Acoustic Noise Level: Ultra-quiet operation under 55 dBA
• Internal Bearings: Deep-groove precision ball bearings, pre-lubricated for life
• Ingress Protection Rating: IP54 (industrial dust and water splash resistant)
• Operating Ambient Temperature: 0°C to +40°C (Up to 90% RH non-condensing)
• Storage Temperature: -20°C to +60°C
• Unit Net Weight: Approximately 1.1 kg (2.4 lbs).