Emerson KJ4110X1-BB1 8-channel Loop Disconnect Module

Overview

The Emerson KJ4110X1-BB1 is an 8-channel Loop Disconnect Module engineered for the DeltaV™ Distributed Control System (DCS). It allows field technicians to isolate individual process loops quickly and safely, streamlining maintenance and troubleshooting without disrupting the entire system. Its compact design and rugged construction make it ideal for use in harsh industrial environments.

Technical Specifications

General Information

• Model Number: KJ4110X1-BB1

• Product Type: 8-Channel Loop Disconnect Module / Terminal Block

• System Compatibility: Emerson DeltaV™ M-series DCS

Channel & Communication

• Number of Channels: 8

• Communication Protocols: RS-232, RS-422, RS-485

• Baud Rate: Up to 115.2 kbps (user-configurable)

Power Requirements

• Power Supply Voltage: 12V DC or 24V DC

• Current Consumption: ≤ 250 mA

• Local Bus Power: 12 VDC at 8 A

Electrical Isolation

• Galvanic Isolation: 1500V between system and serial ports

Environmental Conditions

• Operating Temperature: 0°C to 60°C

• Storage Temperature: -40°C to 85°C

• Extended Ambient Range: -40°C to +70°C (field-rated)

• Humidity Range: 5% to 95% non-condensing

• Airborne Contaminants: ISA-S71.04 Class G3 compliant

Mechanical Durability

• Shock Resistance: 10g, ½ sinewave for 11 ms

• Vibration Resistance:

• 1mm peak-to-peak (2–13.2Hz)

• 0.7g (13.2–150Hz)

Mechanical Details

• Mounting Type: DIN Rail or Panel Mount

• Dimensions: 150 mm × 80 mm × 50 mm (4.7" × 3.5" × 1.8")

• Weight: 0.5 kg (1.1 lbs)