Emerson DeltaV KJ4001X1-CH1 (12P1811X032) RTD Terminal Block Module

Product Description

The Emerson DeltaV RTD Terminal Block, model KJ4001X1-CH1 (order code 12P1811X032), is designed for precise resistance temperature detector (RTD) signal handling in industrial automation systems. Supporting both 2-wire and 3-wire RTDs, the block provides excitation current for 2-wire configurations, linearizes RTD signals, and incorporates cold junction compensation to ensure accurate temperature measurement. Built with diagnostic features and hazardous area certification, it offers reliable performance in demanding environments.

Technical Specifications

• Manufacturer: Emerson

• Series: DeltaV Control System

• Model / Part Number: KJ4001X1-CH1 (12P1811X032)

• Category: PLCs / Machine Control

• Subcategory: RTD Terminal Block

• Supported Inputs: 2-wire and 3-wire RTDs

• Excitation Current: Provided for 2-wire RTDs

• Signal Processing: Linearization and cold junction compensation

• Diagnostics: Fault detection and reporting

• Mounting: DIN rail compatible

• Certifications: Hazardous area approved

• Input Power Rating: 5 VDC @ 100 mA

• Output Signal: 4–20 mA DC

• Resolution: 0.01% of full scale

• Accuracy: ±0.1% of full scale

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

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5%–96% non-condensing

• Vibration Resistance:

• 1 mm peak-to-peak (2–13.2 Hz)

• 0.7 g acceleration (13.2–150 Hz)

• Shock Resistance: 10 g half-sine wave, 11 ms duration

• Ingress Protection: IP66

Application Scenarios

• Provides accurate RTD signal conversion for DeltaV distributed control systems.

• Suitable for industries requiring precise temperature monitoring, such as petrochemical, power generation, and water treatment.

• Ensures reliable operation in hazardous and high-vibration environments.