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GE CR309T062BKE

Product Name: GE CR309 Series Enclosed Magnetic Contactor / Motor Starter (also documented as Series 90-30 High-Performance CPU Module)
Product Introduction: The CR309 family is GE’s (now under ABB) NEMA standard heavy-duty contactor series. Based on available technical listings, CR309T062BKE is identified as a high-performance programmable logic controller CPU module in the Series 90-30 / CR309 line, delivering significantly higher processing, memory, and communication capability than the CR305 series for mid-to-large automation projects.
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Detailed content

Technical Specifications:
  • Processor: 32-bit high-performance RISC processor, ≥200 MHz
  • User Program Memory: 512 KB (expandable to 1 MB max)
  • Data Table Memory: 512 KB
  • Max I/O Points: 512 (local + remote)
  • Local I/O Slots: up to 8
  • Communication Ports: 2 × Ethernet (10/100 Mbps, redundant ring supported), 1 × RS-232/RS-485, 1 × Genius bus
  • Supported Protocols: Ethernet/IP, Modbus TCP/IP, Profibus DP, Profibus PA, DeviceNet, GENIUS
  • PID Loops: up to 64
  • High-speed Counters: up to 8, max 100 kHz
  • Operating Voltage: 24 V DC (19.2-28.8 V DC range)
  • Operating Temperature: 0 °C to 60 °C
  • Storage Temperature: -40 °C to 85 °C
  • Protection: IP20 (front) / IP30 (overall)
  • Dimensions: approx. 90 × 98 × 78 mm (W×H×D)
    Functional Characteristics:
  • Dual Ethernet ports support MRP ring redundancy, network switch-over <20 ms
  • Motion control (pulse output, up to 4 axes)
  • Built-in data logger, up to 1000 tags
  • Structured Text (ST) and Ladder Diagram (LD) mixed programming
  • Safe Stop function conforming to SIL 2
  • Web Server function for browser-based remote monitoring
    Structural & Material Features:
  • Housing: flame-retardant ABS (UL94 V-0)
  • PCB: 8-layer HDI FR-4
  • Gold-plated connectors (≥1000 mating cycles)
  • Built-in CR2032 lithium battery for program/data retention
  • DIN rail mount; 5 status LEDs (POWER, RUN, STOP, FAULT, BATT)
    Working Principle: High-speed cyclic scanning executes input sampling, user program, communication processing, and output refresh in each scan cycle.
    Application Scenarios:
  • Mid-to-large scale automation control projects
  • Industrial MCC (Motor Control Center) cabinets
  • Fan, pump, and compressor control
    Installation Requirements:
  • Vertical mounting (±30° tilt allowed)
  • Adequate heat dissipation space above and below (typically ≥25 mm)
  • DIN rail mounting per Series 90-30 standard
    Usage Notes:
  • For operation frequency >720 times/hour, apply current derating
  • Lithium battery must be checked periodically for data retention

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