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Emerson KJ2222X1-BA1 SIS Network Repeater

ABB CI920N 3BDS014113 Communication Interface for Industrial Automation

Emerson KJ2222X1-BA1 SIS Network Repeater

Name: Emerson KJ2222X1-BA1 SIS Network Repeater
Brand: Emerson Module
SKU: 7457
Availability: InStock
Rating: 5.0 (1 reviews)

Brand:Emerson Module
Item No.:KJ2222X1-BA1
Product Origin:USA
Product Dimensions:107 x 41 x 105 mm
Product Weight:0.18 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Details
Product Applications
Product Advantages
Technical FAQs
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Product Overview

The Emerson KJ2222X1-BA1 SIS Network Repeater is a critical infrastructure component in safety communication networks, ensuring reliable and stable data transmission between distributed SIS modules. While it does not perform control or safety logic execution, it plays a vital role in maintaining the communication backbone of Safety Instrumented Systems.

Its engineering value lies in improving network reliability, reducing signal degradation, and supporting scalable SIS architectures in large industrial facilities where communication integrity is directly linked to plant safety performance.

Technical Specifications

Parameter	Details
Model	KJ2222X1-BA1
Module Type	SIS Network Repeater
System Role	Safety Network Communication Node
Protocol	Emerson SISNet
Function	Signal Regeneration & Extension
Power Supply	24 VDC (system dependent)
Operating Temperature	-40°C to +70°C
Storage Temperature	-40°C to +85°C
Dimensions	107 × 41 × 105 mm
Weight	0.18 kg (0.40 lb)

Industrial Application Context

The Emerson KJ2222X1-BA1 SIS Network Repeater is designed for Safety Instrumented System (SIS) communication networks within Emerson DeltaV architectures. It is widely used in high-reliability process industries such as oil refining, offshore production, petrochemical processing, LNG facilities, and power generation plants where uninterrupted safety communication is essential.

In SIS architecture, this module functions as a network signal regeneration and extension device. It strengthens and retransmits SISNet communication signals between distributed safety nodes, ensuring that safety-critical data—such as shutdown commands, diagnostic signals, and inter-controller communication—maintains integrity over long distances or complex network topologies.

This is particularly important in large industrial facilities where safety controllers and remote SIS nodes are physically separated, and where signal degradation or latency could impact system response times.

Engineering Advantages

SISNet Signal Regeneration:
Rebuilds and strengthens safety network signals to maintain communication integrity across long distances.
Improved System Reliability:
Reduces communication loss risks in distributed Safety Instrumented Systems.
Electrical Isolation Support:
Helps isolate network segments to prevent fault propagation across SIS nodes.
Industrial Network Robustness:
Designed for harsh environments with strong resistance to EMI, vibration, and temperature variation.
Seamless DeltaV Integration:
Fully compatible with Emerson SIS network architecture for plug-in system expansion.
Compact Modular Design:
Enables high-density installation in SIS cabinets without requiring significant space.

Technical FAQs

What is the main function of the KJ2222X1-BA1?
It regenerates and extends SIS network communication signals.
Is it part of the safety logic system?
No, it supports communication between SIS components but does not execute logic.
What network does it support?
It operates within Emerson SISNet safety communication architecture.
Does it improve signal distance?
Yes, it extends communication range by regenerating degraded signals.
Is it active or passive?
It is an active communication module requiring system power.
Does it affect safety logic execution?
No, it only supports communication integrity between SIS nodes.
What happens if it fails?
Communication between affected SIS segments may be interrupted.
Is redundancy supported?
Yes, at system architecture level depending on SIS network design.
Can it operate in hazardous environments?
Yes, it is designed for industrial and hazardous area deployment.
Does it require configuration?
Minimal configuration is needed; it is typically system-integrated.

Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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