This 4-layer FR4 PCB addresses the needs of industrial control applications requiring extensive component integration, reliable power management, and robust mechanical stability. 치수와 함께 350mm×125mm 그리고 a 1.5MM 두께, the board provides a large surface area for mounting high-power devices, relays, and connectors while maintaining rigidity for panel installations in control cabinets. 건축 FR4 재료, 안정적인 전기 절연을 제공합니다 (유전 상수 εR = 4.5) 그리고 기계적 강도, suitable for operation in industrial environments with temperature fluctuations and vibration.

레이어 아키텍처 & Power Design

  • 4-레이어 스택 업:
    • 2 신호 레이어 + 2 효율적인 EMI 억제를위한 전력/지상 평면
    • Inner power planes optimized for 24V DC distribution in industrial control systems
  • 1온스 (35μm) 구리 두께:
    • Supports moderate current loads (up to 10A per trace) for motor drivers and solenoid valves
    • Copper pour areas on power layers reduce resistive heating

Industrial-Grade Features

  • 녹색 LPI 솔더 마스크:
    • Standard industrial color for easy visual inspection
    • Chemical resistance against oils, 냉각제, 그리고 청소제
  • ENIG 표면 마감:
    • 3–5μm nickel layer prevents corrosion in harsh environments
    • 0.05–0.1μm gold layer ensures reliable solder joints for field-replaceable components
  • Mixed SMT+DIP Capability:
    • smt: High-density placement of microcontrollers and signal conditioning ICs
    • DIP: Robust through-hole connectors (예를 들어, 터미널 블록, DB9 ports) for field wiring

조작 & 품질 관리

  • Large-Format Fabrication:
    • 레이저 직접 이미징 (LDI) for 75μm line/space accuracy across the entire board
    • Electrolytic copper plating with uniform thickness verification
  • Rigorous Testing:
    • 100% AOI inspection for solder mask coverage and silkscreen clarity
    • Flying probe testing for electrical continuity (≤0.1o) 그리고 격리 (≥100mΩ)
    • 진동 테스트 (5–500Hz, 2G) to simulate industrial machine operation
  • 규정 준수:
    • IPC-6012 클래스 2 for industrial electronics
    • ROHS/REACH REACH는 위험 물질 제한을 준수합니다

산업 응용 분야

  • PLC Control Panels:
    Mounts programmable logic controllers, I/O modules, and power supplies for factory automation.
  • Motor Drive Systems:
    Manages power distribution for variable frequency drives (VFDs) in conveyor systems.
  • 건물 자동화:
    Integrates HVAC controllers, lighting panels, and security systems in commercial buildings.
  • Renewable Energy Inverters:
    Supports power conversion for solar or wind energy systems with robust thermal management.

 

By combining a large form factor, 4-layer power/signal separation, and mixed assembly capabilities, this PCB enables engineers to build comprehensive industrial control systems in a single board. The green solder mask and ENIG finish balance standardization with reliability, while the 350mm×125mm layout accommodates both high-power components and complex signal routing. ISO에 의해 지원됩니다 9001:2015 인증, it delivers consistent performance for industrial applications where downtime and maintenance costs must be minimized.