The KJ2004X1-BA1 Remote Interface Unit (RIU) from Emerson’s DeltaV system provides reliable local bus power and communication for distributed control systems. Designed for rugged industrial environments, it ensures stable operation of remote I/O modules with robust environmental compliance.
Technical Specifications
Model / Part Number: KJ2004X1-BA1
Type: Remote Interface Unit (RIU)
Local Bus Power:
5 VDC at 300 mA (max)
3.3 VDC at 500 mA (max)
Environmental Ratings:
Ambient Temperature: -40 °C to +70 °C
Shock: 10 g, ½ sinewave for 11 ms
Vibration: 1 mm peak-to-peak (2–13.2 Hz), 0.7 g (13.2–150 Hz)
Humidity: 5–95% non-condensing
Airborne Contaminants: ISA-S71.04 Class G3
Protection: IP20 rating
Shipping Weight: 2.5 kg
Design Features: Compact form factor, optimized for continuous operation, easy integration with DeltaV systems
Application Scenarios
Remote I/O integration in DeltaV distributed control systems
Industrial plants requiring reliable bus power distribution
Harsh environments with wide temperature ranges and airborne contaminants
FAQ
Q: What is the role of the KJ2004X1-BA1 RIU? A: It provides local bus power and communication support for remote I/O modules in DeltaV systems.
Q: Can it operate in extreme environments? A: Yes, it supports -40 °C to +70 °C operation and meets ISA-S71.04 Class G3 standards for airborne contaminants.
Q: What protection rating does it have? A: It carries an IP20 rating, suitable for industrial installations.
