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DeltaV™ LS IS DI NAMUR CHARM

DeltaV™ LS IS DI NAMUR CHARM

Brand: DeltaV

A LS (Logic Solver), IS (Intrinsically Safe) Digital Input Characterization Module (CHARM) for NAMUR sensors.
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.
  • Intrinsically Safe (IS) I/O meets Class 1 Division 2 and IEC Zone II environmental conditions when you have to run I/O in hazardous areas.
  • Intrinsically Safe (IS) I/O meets Class 1 Division 2 and IEC Zone II environmental conditions when you have to run I/O in hazardous areas.

Specifications

Brand

Channel Impedance

  • 1 kOhm &pm, 10 %

Charm Heat Dissipation

  • 0.57 W

Charm Power Req.

  • 28 mA Max. @ 24 Vdc &pm, 10 %

Configurable Channel Type

  • Dry Contact or Discrete State Sensor Changing < 2 Hz

Detection Level for Off

  • < 1.2 mA

Detection Level for On

  • > 2.1 mA

Fault Detection Capable

  • NAMUR Sensors or Field Resistor Pack, Guaranteed Short Circuit: 75 KΩ

Isolation

  • Galvanically Isolated According to EN 60079-11. Voltage Peak Value 375 Vdc.

Sensor Types

  • NAMUR Sensors, Dry Contacts

Wetting Voltage

  • 8 Vdc &pm, 1 Vdc
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