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DeltaV™ AO 4-20 mA HART CHARM

Brand: DeltaV

An analog output Characterization Module (CHARM) for a 4-20 mA, with or without HART, output.
Features
  • Eliminate marshalling and add I/O anywhere in the plant without affecting control room cabinets.
  • No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures.
  • No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures.

Specifications

Brand

Accuracy Over Temperature Rrange

  • 0.25 % of Span (0° to 60° C), 0.5 % of Span (-40° to 70° C)

Avaliable Field Power

  • 20 mA at 15 Vdc Supply Into 750 Ω Load

Calibration

  • None Required

Charm Heat Dissipation

  • 0.48 W

Charm Power Req.

  • 42 mA Max. @ 24 Vdc

Field Circuit Protection

  • 24 mA Current Limiting Circuit, Field Wiring Disconnect

Full Signal Range

  • 0 to 24 mA

HART Data Update Rates

  • 500 ms

HART Support

  • HART V7 Pass-through for AMS, HART V7 Variable & Device Status Available to Control

Nominal Signal Range (Span)

  • 4-20 mA, (0 to 20 mA Option)

Resolution

  • 16-bit D/A Converter

Sensor Types

  • 4-20 mA with or without HART, 0 to 20 mA
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