Emerson

SISNet Repeater Module KJ2221X1-BA1 Emerson DeltaV SIS

In stock, ready to ship

  • Manufacturer: Emerson

  • Product No.: KJ2221X1-BA1

  • Product Type: SISNet Repeater

  • Product Origin: USA

  • Payment: T/T

  • Weight: 1600g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product Overview

The Emerson KJ2221X1-BA1 is a SISNet Repeater Module for DeltaV Safety Instrumented Systems. It regenerates and extends SISNet communication signals while maintaining signal integrity over longer distances.

Key Specs

  • Type: SISNet Repeater
  • Power: Local Bus 24 VDC at 300 mA max
  • Operating temperature: −40 °C to +70 °C
  • System: DeltaV SIS
  • Environmental: ISA-S71.04 Class G3

Why Choose This

  • Extends SISNet communication distance
  • Designed specifically for safety systems
  • Robust performance in high-EMI environments
  • Supports high-availability SIS architectures

Common Questions

  • Function? SISNet signal repeater.
  • Power? 24 VDC / 300 mA.
  • System? DeltaV SIS.

Mounting Steps

  1. Install the repeater in the appropriate SISNet segment.
  2. Connect upstream and downstream SISNet cables.
  3. Apply 24 VDC power.
  4. Verify status LEDs and communication.
  5. Test end-to-end SISNet integrity.

Buying Advice

  • Required when SISNet cable length exceeds limits.
  • Use genuine Emerson repeaters for safety compliance.
  • Critical spare for extended SIS networks.
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