Emerson KL3031X1-BA1 RTD/Resistance Input CHARM Module

Description

This KL3031X1-BA1 CHARM module supports RTD (Resistance Temperature Detector) and general resistance input signals. It’s engineered for Zone 2 and Class I Div. 2 hazardous locations and integrates seamlessly into DeltaV systems using the CHARM I/O architecture.

Specifications

• Input Type: RTD / Resistance

• Power Requirements:

  • CHARM Bus: +6.3 VDC @ 32 mA

  • Field Circuit: +24 VDC @ 10 mA

• Operating Temperature: –40°C to +70°C

• Humidity: 5% to 95% non-condensing

• Shock Resistance: 10 g (½ sine wave, 11 ms)

• Vibration:

  • 1 mm peak-to-peak (2–13.2 Hz)

  • 0.7 g (13.2–150 Hz)

• Airborne Contaminants: ISA-S71.04 Class G3

• Terminal Block Key Position: 3A

• Certifications:

  • ATEX: II 3G Ex ec [ic] IIC Gc

  • IECEx, FM, FM UKEX

  • Class I Div. 2 Groups A, B, C, D

• Dimensions: Approx. 0.6 cm × 5.1 cm × 7.6 cm

• Weight: Approx. 500 g

• Installation Note: Cannot be inserted or removed under power in hazardous areas

Key Features

• RTD/resistance input support for accurate temperature monitoring

• Hazardous area certified for global deployment

• Rotary keying system ensures correct CHARM-to-terminal block pairing

• No calibration required, simplifying maintenance

• Compact and rugged for harsh industrial environments

• Hot-swappable (in non-hazardous areas) for easy replacement