KJ2221X1-BA1 DeltaV Repeater Module — Robust SISNET Signal Repeater by Emerson

✓ Complete Technical Specifications — Emerson DeltaV Repeater Module

• Manufacturer: DeltaV by Emerson
• Model Number: KJ2221X1-BA1
• Product Type: Repeater Module for SISNET local bus
• Power Supply: 24 VDC at 300 mA (maximum)
• Local Bus Power: 24 VDC, 300 mA max rating

Environmental & Operating Conditions

• Ambient Temperature Range: -40°C to +70°C for reliable operation in extreme conditions
• Shock Tolerance: Withstands 10g half-sine wave for 11 milliseconds
• Vibration Resistance: 1 mm peak-to-peak from 2 to 13.2 Hz; 0.7g from 13.2 to 150 Hz
• Airborne Contaminants Rating: ISA-S71.04 –1985 Class G3 for harsh industrial environments
• Relative Humidity: 5% to 95% non-condensing for flexible installation locations

Key Features & Benefits

• Signal Regeneration: The KJ2221X1-BA1 restores SISNET communication signals over extended distances
• Safety System Integration: Designed specifically for DeltaV SIS (Safety Instrumented System) applications
• Wide Temperature Operation: Functions reliably from -40°C to +70°C without performance degradation
• Corrosion Resistance: Class G3 rating ensures longevity in chemical and processing plants
• Compact Design: Occupies minimal panel space while delivering robust signal repeating capability

Frequently Asked Questions

• What is the primary function of this module? The KJ2221X1-BA1 regenerates SISNET communication signals to extend network distances in DeltaV safety systems.
• What power supply does this repeater require? It requires 24 VDC with maximum current draw of 300 mA.
• Can this module operate in extreme temperatures? Yes, it operates reliably from -40°C to +70°C ambient temperature.
• Is this suitable for chemical processing plants? Yes, Class G3 corrosion resistance makes it ideal for chemical and harsh environments.
• What vibration levels can this module withstand? It handles 1 mm peak-to-peak from 2 to 13.2 Hz, and 0.7g from 13.2 to 150 Hz.
• Does this work with existing DeltaV systems? Yes, it integrates seamlessly with DeltaV SIS and standard DeltaV control networks.

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