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EMERSON KJ2221X1-BA1 DeltaV SISNet Repeater
Product Overview：EMERSON KJ2221X1-BA1
The EMERSON KJ2221X1-BA1 is a high-reliability SISNet Repeater engineered for mission-critical industrial automation systems, specifically as part of EMERSON’s DeltaV™ Distributed Control System (DCS). Designed to ensure seamless data transmission and network redundancy in safety-critical environments, this module plays a pivotal role in maintaining uninterrupted communication between field devices and control systems. With its advanced mesh networking technology and robust hardware design, the KJ2221X1-BA1 delivers exceptional reliability for applications in oil & gas, chemical processing, and power generation, where system downtime can lead to significant operational and financial risks.
As a core component of the DeltaV™ platform, the EMERSON KJ2221X1-BA1 supports high-speed data communication over industrial networks, ensuring real-time monitoring and control of critical processes. Its network redundancy capabilities dynamically reroute data paths in the event of node failures, minimizing the impact of network disruptions. The module’s wide operating temperature range (-40°C to +70°C) and rugged enclosure (IP20-rated) enable reliable performance in extreme conditions, from offshore platforms exposed to saltwater corrosion to high-temperature refinery environments.
In safety instrumented systems (SIS), the KJ2221X1-BA1 ensures compliance with international standards such as IEC 61511 by providing fail-safe signal transmission and diagnostic feedback. Its galvanic isolation (500 V rms per channel) protects against ground loops and voltage surges, while built-in self-test mechanisms continuously verify signal integrity. By integrating seamlessly with EMERSON’s PlantWeb™ and Smart Wireless technologies, this module enhances system scalability and reduces maintenance costs, making it an indispensable asset for industries prioritizing operational resilience.
Technical Specifications：EMERSON KJ2221X1-BA1
| Parameter Name | Parameter Value |
|---|---|
| Product Model | KJ2221X1-BA1 |
| Manufacturer | EMERSON |
| Product Type | SISNet Repeater (Network Redundancy Module) |
| Network Technology | Mesh Networking |
| Bandwidth | Up to 1 Mbps |
| Input Power | 24 V DC ±10% (300 mA max) |
| Isolation | 500 V rms per channel, 1500 V rms channel-to-system |
| Physical Dimensions | 101.6 mm (H) × 177.8 mm (W) × 63.5 mm (D) |
| Weight | 0.7 kg |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 0–95% non-condensing |
| Shock/Vibration Resistance | 10 g (11 ms sine wave), 1 mm peak-to-peak (5–16 Hz) |
| Certifications | ATEX (Zone 2), IECEx, CE |
KJ2221X1-BA1
Key Features and Advantages：EMERSON KJ2221X1-BA1
Mesh Networking for Redundancy: The KJ2221X1-BA1 employs adaptive mesh technology to create a self-healing network, automatically rerouting data around failed nodes to ensure continuous communication. This redundancy is critical for applications like offshore oil platforms, where network outages could compromise safety or production efficiency.
Robust Environmental Performance: Built with a conformal-coated circuit board and IP20-rated enclosure, the module resists dust, moisture, and corrosive gases. Its wide temperature range (-40°C to +70°C) and high shock/vibration tolerance make it suitable for harsh industrial settings, including extreme climates and high-vibration machinery.
Advanced Diagnostics: Real-time monitoring of network health, power supply status, and signal integrity allows operators to identify and resolve issues proactively. LED indicators and DeltaV™ system alarms provide instant feedback, reducing troubleshooting time and minimizing downtime.
Seamless Integration: As part of the DeltaV™ ecosystem, the KJ2221X1-BA1 interoperates seamlessly with other EMERSON modules (e.g., digital I/O, controllers) and third-party systems via open protocols like OPC UA. This flexibility supports scalable automation architectures, from small-scale control systems to large industrial plants.
Safety Compliance: Certified to ATEX and IECEx standards, the KJ2221X1-BA1 is approved for use in hazardous environments (Zone 2), ensuring compliance with strict safety regulations in oil & gas and chemical processing industries.
KJ2221X1-BA1
Application Areas：EMERSON KJ2221X1-BA1
The EMERSON KJ2221X1-BA1 is ideally suited for industries where network reliability is non-negotiable:
- Oil & Gas: Ensuring continuous communication between wellsite RTUs, SCADA systems, and remote monitoring stations to optimize production and prevent equipment failures. Its mesh networking capabilities are particularly valuable in offshore platforms with limited infrastructure.
- Chemical Processing: Supporting real-time data exchange between distributed control systems and safety instrumented systems (SIS) to maintain process integrity and prevent hazardous incidents.
- Power Generation: Enabling reliable communication between turbine control systems, generator monitoring devices, and grid management platforms, even in high-voltage environments.
- Water/Wastewater: Managing distributed sensor networks in treatment plants to monitor 水质 (water quality) and pump performance, ensuring regulatory compliance and efficient resource allocation.
Specific applications include:
- Safety Instrumented Systems (SIS): Providing redundant communication paths for emergency shutdown signals, ensuring rapid response to critical events.
- Predictive Maintenance: Integrating with wireless vibration sensors and analytical instruments to transmit health data from rotating equipment, enabling proactive maintenance and reducing unplanned downtime.
- Remote Monitoring: Facilitating cloud-based SCADA solutions for real-time operational insights, particularly in geographically dispersed facilities like pipelines or wind farms.
KJ2221X1-BA1
Related Products：EMERSON KJ2221X1-BA1
- KJ3201X1-BA1 DeltaV Digital Input Module: Complementary digital I/O module for discrete signal monitoring, enhancing system flexibility in mixed-signal environments.
- KJ4001X1-BA1 DeltaV Analog Output Module: Enables closed-loop control by converting digital signals to analog outputs (4–20 mA), paired with the KJ2221X1-BA1 for advanced process automation.
- KJ5001X1-BA1 DeltaV Controller Module: High-performance controller that processes data from the KJ2221X1-BA1, supporting advanced control strategies and system coordination.
- KJ7100X1-BA1 DeltaV Ethernet Gateway Module: Extends network reach by enabling remote access and cloud connectivity for the KJ2221X1-BA1, facilitating remote diagnostics.
- EMERSON Smart Wireless THUM Adapter: Enables wireless integration with the KJ2221X1-BA1, reducing infrastructure costs in large-scale installations.
- KJ2100X1-BA1 DeltaV Terminal Block Module: Simplifies field wiring termination for the KJ2221X1-BA1, streamlining installation and maintenance.
Installation and Maintenance：EMERSON KJ2221X1-BA1
Installation Preparation:
Before installing the EMERSON KJ2221X1-BA1, ensure the DeltaV™ rack is properly grounded and powered. Verify network topology and compatibility with existing devices, using shielded Ethernet cables to minimize electromagnetic interference. Mount the module in a DeltaV™ chassis, securing it with captive screws, and configure network parameters (e.g., IP addressing, mesh settings) using EMERSON’s DeltaV™ Configuration Studio software.
Before installing the EMERSON KJ2221X1-BA1, ensure the DeltaV™ rack is properly grounded and powered. Verify network topology and compatibility with existing devices, using shielded Ethernet cables to minimize electromagnetic interference. Mount the module in a DeltaV™ chassis, securing it with captive screws, and configure network parameters (e.g., IP addressing, mesh settings) using EMERSON’s DeltaV™ Configuration Studio software.
Maintenance Recommendations:
- Routine Checks: Inspect the module quarterly for loose connections, physical damage, or signs of environmental stress. Use DeltaV™ software to review network health reports and ensure all nodes are operational.
- Firmware Updates: Periodically update the module’s firmware via DeltaV™ software to access new features, security patches, and compatibility improvements with evolving network standards.
- Spare Parts Management: Maintain a spare KJ2221X1-BA1 module in a controlled environment (temperature: 10–30°C, humidity: 20–80% RH) to ensure quick replacement during critical failures.
KJ2221X1-BA1
Product Warranty：EMERSON KJ2221X1-BA1
Our company provides a 12-month quality warranty for the EMERSON KJ2221X1-BA1, covering hardware defects under normal use. In the event of performance issues or functional failures, we offer prompt replacement services. For discontinued models or urgent requirements, our global supply chain network ensures rapid delivery of rare or obsolete parts, supporting continuous industrial operations. Our technical support team is available 24/7 to assist with installation, troubleshooting, and system optimization, ensuring seamless integration and long-term reliability.
For inquiries, contact our team via WhatsApp: +86 18859254943 or email: sales@ygplc.com.
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