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DeltaV-P-SS4301T01

DeltaV™ LS DI NAMUR CHARM

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Product Description

A LS (Logic Solver) Digital Input Characterization Module (CHARM) for NAMUR sensors.

Specifications

Sensor Types
NAMUR Sensors, Dry Contacts, Dry contact with end of line resistance
Detection Level for On
> 2.1 mA (<4 kΩ)
Detection Level for Off
< 1.2 mA (>9 kΩ)
Channel Impedance
1.5 KW (approximate)
Wetting Voltage
12 Volts (± 5%)
Field Circuit Protection
8 mA Current Limiting Circuit, Field wiring disconnect
CHARM Power Req.
24 mA max @ 24 VDC
CHARM Heat Dissipation
0.51 W
Fault Detection Capable
Guaranteed short circuit: <100 Ω, Guaranteed good status: 400 Ω to 40 kΩ, Guaranteed open circuit: > 75 kΩ
Configurable Channel Type
Dry contact or discrete state sensor changing <2 Hz

Documents & Drawings

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