Description

Elevator Motherboard PU-MLT – Precision Control by NANJING ZHUYE ELEVATOR PARTS

Introduction
At the heart of every modern elevator control system lies the motherboard – the central processing unit that orchestrates safety, performance, and passenger comfort. NANJING ZHUYE ELEVATOR PARTS, a globally recognized leader in elevator component manufacturing, proudly presents the PU-MLT Elevator Motherboard. Engineered for reliability, scalability, and future-proof connectivity, the PU-MLT sets a new benchmark for intelligent elevator control.

—

Core Architecture & Performance
– Processor: 32-bit ARM Cortex-M7 @ 480 MHz with floating-point unit (FPU) for real-time calculations
– Memory: 2 GB DDR4 RAM + 8 GB eMMC flash for firmware and data logging
– Operating System: Real-time Linux with deterministic task scheduling (≤50 µs jitter)
– Redundancy: Dual-core lockstep architecture for fail-safe operation (IEC 61508 SIL-3 compliant)
– Connectivity:
– 4× CAN-FD buses (up to 5 Mbps) for in-car networking
– 2× Ethernet ports (10/100/1000 Mbps) with IEEE 1588 PTP support
– 1× RS-485 for legacy system integration
– Optional 5G/LTE module for remote diagnostics

—

Safety & Compliance
The PU-MLT exceeds global safety standards through:
– Triple Modular Redundancy (TMR) for critical safety functions (EN 81-20/50, ASME A17.1)
– Hardware Watchdog Timer with independent power supply
– Secure Boot & Firmware Authentication (RSA-4096 + SHA-512) to prevent malicious code injection
– Electromagnetic Immunity: IEC 61000-4-3 (20 V/m) and IEC 61000-4-4 (4 kV burst)
– Fire Resistance: UL 94 V-0 rated PCB materials with conformal coating

—

Intelligent Features
1. Predictive Maintenance
– Onboard vibration and temperature sensors monitor motor health
– AI-driven failure prediction with 95% accuracy (trained on 10,000+ elevator datasets)
– Automatic service alerts via IoT cloud platform

2. Energy Optimization
– Regenerative braking energy harvesting (up to 30% power savings)
– Adaptive LED lighting control based on car occupancy
– Sleep mode activation during off-peak hours

3. Passenger Experience
– Voice synthesis for floor announcements (supports 12 languages)
– H.265 video streaming for security cameras (4K@30fps)
– Bluetooth beacon integration for smartphone-based floor selection

—

Technical Specifications
| Parameter | Specification |
| Input Voltage | 24–48 VDC (±10%) |
| Power Consumption | <15 W (typical), 25 W (peak) |
| Operating Temperature | -25°C to +70°C |
| Humidity | 5%–95% non-condensing |
| MTBF | >100,000 hours |
| Certifications | CE, UL, CCC, RoHS, REACH |
| Dimensions | 220 mm × 160 mm × 35 mm |

—

Applications
The PU-MLT is engineered for versatility across:
– High-speed passenger elevators (up to 10 m/s)
– Hospital elevators with critical care protocols
– Freight elevators with heavy-duty load management
– Machine-room-less (MRL) systems with space constraints
– Modernization projects for legacy elevator controls

—

Quality Assurance & Support
Every PU-MLT undergoes **100% automated testing** at NANJING ZHUYE ELEVATOR PARTS’ ISO 9001:2015 certified facility:
– 48-hour thermal cycling (-40°C to +85°C)
– 1,000-hour accelerated life testing
– EMI/EMC compliance verification
– 10-year warranty with global parts availability

Our technical support team offers:
– 24/7 multilingual assistance
– Remote firmware updates via secure VPN
– On-site commissioning within 48 hours (major cities)
– Training programs for maintenance engineers

—

Sustainability Commitment
As part of our ESG initiatives, the PU-MLT:
– Uses lead-free solder and halogen-free PCBs
– Achieves 98% recyclability at end-of-life
– Reduces carbon footprint by 40% compared to previous generations
– Supports smart grid integration for peak load management

—

About NANJING ZHUYE ELEVATOR PARTS
With 25+ years of innovation, we’ve become the trusted partner for 1,200+ elevator OEMs worldwide. Our 50,000 m² facility in Nanjing, China, houses:
– 12 SMT lines with ±25 µm placement accuracy
– AI-powered quality inspection systems
– A dedicated R&D center with 80+ engineers
– Global logistics hubs in Europe, North America, and Southeast Asia

—

Conclusion
The PU-MLT Elevator Motherboard embodies NANJING ZHUYE ELEVATOR PARTS’ commitment to safety, intelligence, and sustainability. By integrating cutting-edge technology with rigorous quality control, we deliver a control solution that meets the demands of today’s smart buildings while anticipating tomorrow’s challenges.

Choose the PU-MLT for your next elevator project – where precision meets reliability, powered by NANJING ZHUYE ELEVATOR PARTS.