Emerson KJ3242X1-BK1 S-Series H1 Card

Product Description

The Emerson KJ3242X1-BK1 is an S-Series H1 Fieldbus card engineered for DeltaV distributed control systems that demand stable, deterministic communication with FOUNDATION Fieldbus H1 devices. It delivers consistent network performance for process instrumentation while supporting advanced device diagnostics that improve plant reliability. Moreover, its hot-swappable architecture reduces downtime during maintenance, allowing teams to keep systems running without interrupting critical operations. In addition, the module’s rugged construction and global certifications make it suitable for harsh industrial environments where continuous uptime is essential.

Key Features and Functional Highlights

The module establishes two independent H1 channels that support reliable communication and power distribution to multiple field devices. Each channel maintains robust signal integrity, which improves device responsiveness and control loop stability. Moreover, integrated diagnostics help maintenance personnel identify field issues faster, therefore reducing troubleshooting time. The card also supports HART information over Fieldbus, enabling richer configuration and asset-health visibility through DeltaV applications.

Technical Specifications

Power
• Local Bus Power: 12 VDC at 300 mA
• Fieldbus Power: 9–32 VDC at 12 mA per port

Channels
• Two independent FOUNDATION Fieldbus H1 ports
• HART capability supported

Environmental
• Operating Temperature: –40 °C to +70 °C
• Relative Humidity: 5%–95%, non-condensing
• Airborne Contaminants: ISA-S71.04 Class G3
• Shock: 10 g half-sine wave, 11 ms
• Vibration: 1 mm peak-to-peak (2–13.2 Hz); 0.7 g (13.2–150 Hz)

Physical
•Dimensions: 27.3 × 27.3 × 3.5 cm
•Weight: 0.3 kg
• Terminal Block Key Position: D6

Typical Applications and System Integration

The KJ3242X1-BK1 is widely deployed in refineries, power plants, chemical units, and pharmaceutical facilities where reliable field device communication is essential. For instance, integrators use it to connect smart transmitters, valves, and field indicators on high-density H1 segments. Moreover, the module fits seamlessly into existing DeltaV architectures, enabling scalable expansion of process units without complex configuration changes.

Support, Maintenance, and Reliability

The card’s hot-swappable design greatly simplifies replacement while the system remains energized, which protects production continuity. Furthermore, engineers benefit from enhanced diagnostics delivered through DeltaV tools, allowing early detection of wiring issues, field device degradation, or signal anomalies. These capabilities help reduce operational risk and enhance long-term reliability.

FAQ

Q1: Does the KJ3242X1-BK1 support both power and communication for field devices?
Yes. Each H1 port supplies power and communication to FOUNDATION Fieldbus devices on the segment.

Q2: Can the device be replaced while the system is running?
Yes. Its hot-swappable design allows safe replacement without stopping the controller.

Q3: What types of field devices are typically connected?
You can connect H1-based transmitters, control valves, positioners, and intelligent diagnostic devices.

Q4: Is HART data supported through this module?
Yes. The module supports HART information for enhanced configuration and device health analysis.

Q5: Is the card suitable for hazardous locations?
Yes. It is built for harsh environments and aligned with common global certifications such as ATEX, IECEx, and FM.