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GE IS420YDOAS1B

Product Name: Mark VIe Discrete Output I/O Pack (Relay, 12/16-ch)
Product Brief: Distributed Ethernet-based relay output pack mounted on SRLY/TRLY terminal board for safety-rated discrete outputs.
Technical Specifications
  • Outputs: 12 or 16 Form-C relay contacts (variant dependent)
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Detailed content

  • Contact Rating: 2 A @ 240 V AC / 10 A @ 30 V DC / 250 VA
  • Response: ≤ 5–6 ms (energize + feedback readback)
  • Comms: Dual IONet RJ45, DC37 to terminal board
  • Power: 24 V DC (18–32 V)
  • Isolation: 2.5 kV ch-system, 1.5 kV ch-ch
  • Temp: –40 °C to +85 °C
  • Safety: IEC 61508SIL 2 (Mark VIeS), TMR capable
  • Size: ≈ 82.6 × 41.9 × 121 mm
    Functional Features: Per-channel coil monitoring, ATTEN diagnostic LED, no intermediate relays needed.
    Working Principle: IONet packet sets relay state; onboard processor confirms coil current and reports discrepancy to controller.
    Application: Fuel shutoff valve, lube pump start, ESD alarm, wind pitch relay.
    Installation & Notes: DIN-rail near field device; single Cat5 back to UCS; in TMR use 3 packs with TRLY board.

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