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Emerson KJ4002X1-BA1
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KUKA KPC4 00-284-170
KUKA KPC4 00-284-170

KOKUSAI KOMS-A2

  • Product Name: KOKUSAI KOMS-A2 Industrial Control Module / CPU Board
  • Product Introduction: A high-performance control module manufactured by Kokusai Electric (formerly Hitachi Kokusai) used primarily in semiconductor manufacturing equipment (e.g., Vertical Furnaces, CVD systems) and general industrial automation as part of the KOMS architecture.
Category:
Description
  • Technical Specifications:
    • Model: CXP-544A KOMS-A2
    • Processor: 32-bit high-speed microprocessor (or ARM/Cortex variants depending on rev)
    • Program Capacity: 64 KB (typical for PLC-style) or larger for CPU boards
    • I/O: 16-32 DI, 16-32 DO (Transistor 0.5A), optional 4-8 AI (0-10V/4-20mA)
    • Communication: RS-232, RS-422, RS-485, Ethernet (Modbus TCP/IP)
    • Power: 24 VDC (+/-10%) or +5V/+/-12V via backplane
    • Operating Temp: -10°C to +60°C (industrial) / -40°C to +70°C (extended)
    • Dimensions: Approx. 120x80x160 mm or 240x180x35 mm (form factor dependent)
    • Weight: ~0.7 – 0.9 kg
  • Functional Features: Real-time control execution (0.1us/step instruction), SECS/GEM compatibility for semiconductor fabs, high isolation (1500V AC) on analog inputs, watchdog timer.
  • Application Scenarios: Wafer processing equipment control (CVD, PVD, Diffusion), PCB manufacturing lines, precision temperature/pressure regulation in batch processes.
  • Material & Structure: Multilayer PCB with conformal coating, metal shielding plate for EMI, VME/Multibus or proprietary backplane edge connector.
  • Working Principle: Executes ladder or C-based control logic stored in non-volatile memory, scans I/O cyclically, communicates with host computer via SEMI standards or Modbus, and drives actuators via isolated outputs.
  • Installation Requirements: Rack-mount or DIN rail in cleanroom-grade or controlled cabinets; ensure proper grounding of chassis for ESD protection.
  • Usage Notes: Handle with anti-static precautions; firmware updates require vendor tools; verify voltage levels before backplane insertion to prevent board damage.
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