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  • DeltaV™ LS DI 24 VDC Low-Side Sense (dry contact) CHARM
DeltaV-P-SS4301T02

DeltaV™ LS DI 24 VDC Low-Side Sense (dry contact) CHARM

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Product Description

A LS (Logic Solver) Digital Input Characterization Module (CHARM) for 24 VDC Dry Contacts.

Specifications

Sensor Types
24 VDC Dry Contacts
Detection Level for On
> 2.25 mA (<5.3 kΩ)
Detection Level for Off
< 1.75 mA (>8.2 kΩ)
Channel Impedance
4.8 KW
Wetting Voltage
22.5Volts (±5%), current limited to 12.5 mA nomina
Field Circuit Protection
12.5 mA Current Limiting Circuit, Field wiring disconnect
CHARM Power Req.
18 mA max @ 24 VDC
CHARM Heat Dissipation
0.33 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