1734SC-OE2CIH

Product Overview

• Model: 1734SC-OE2CIH

• Type: Isolated Analog Output Module with HART

• Series: Allen-Bradley POINT I/O (1734)

• Channels: 2 isolated current outputs with HART capability

• Resolution: 16-bit across 21 mA (>320 nA)

Output Specification

• Ranges: 0–20 mA; 4–20 mA (HART available only on 4–20 mA range)

• HART Dynamic Variables: PV, SV, TV, FV

• Output Load: 0–750 Ω max; 200–750 Ω for HART

• Full Scale Settling Time: <100 ms to 95% with resistive loads

• Maximum Inductive Load: 10 μH

• Output Impedance: 10 kΩ @ 1 kHz; >1 kΩ @ 10 kHz

Electrical Specification

• Isolation (Continuous):

  • 50 VDC field-wiring ↔ backplane

  • 50 VDC field-wiring ↔ chassis ground

  • 10 VDC channel-to-channel isolation

• Accuracy:

  • 0–21 mA @ 25 °C: ±0.15% full scale

  • 0–21 mA @ -20 to 55 °C: ±0.3% full scale target

• Repeatability (HART Disabled): ±0.05% full scale

• Backplane Current Required: 55 mA @ 5 VDC

• Field Supply Current Draw:

  • 175 mA @ 12 VDC (20 mA into 750 Ω load)

  • 77 mA @ 24 VDC (2.1 mA for 10–26 V)

• Thermal Dissipation: 1.79 W max

Timing Specification

• Update Time (Minimum): 10 ms analog, 6 s HART

Environmental Specification

• Operating Temp: -20 to 55 °C (-4 to 131 °F)

• Storage Temp: -40 to 85 °C

• Humidity: 5–95%, non-condensing

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