Emerson

Emerson KJ2221X1-EA1 SISNet Repeater Module

  • Manufacturer: Emerson

  • Product No.: KJ2221X1-EA1

  • Product Type: SISNet Repeater

  • Product Origin: USA

  • Payment: T/T

  • Weight: 1300g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product Overview

Emerson KJ2221X1-EA1 is a SISNet Repeater Module for DeltaV Safety Instrumented Systems. It regenerates SISNet communication signals to extend network distance while maintaining safety integrity.

Key Specs

  • Type: SISNet Repeater
  • Power: 24 VDC at 300 mA max
  • Operating temperature: −40 °C to +70 °C
  • System: DeltaV SIS
  • Hazardous area: Class I Div 2 / Zone 2 suitable

Why Choose This

  • Extends SISNet communication distance
  • Designed for safety system applications
  • Robust environmental ratings
  • 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 location.
  2. Connect the upstream and downstream SISNet cables.
  3. Apply 24 VDC power.
  4. Verify communication status LEDs.
  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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