KJ3242X1-BK1 Fisher Rosemount Fieldbus H1 Module

Availability: 99 left in stock

Product Overview The Emerson KJ3242X1-BK1 (also identified by part number 12P4711X032) functions as the primary digital communication interface for FOUNDATION Fieldbus™ H1...

SKU: KJ3242X1-BK1

Manufacturer: Emerson
Product No.: KJ3242X1-BK1
Product Type: Analog Output Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 550g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Emerson KJ3242X1-BK1 (also identified by part number 12P4711X032) functions as the primary digital communication interface for FOUNDATION Fieldbus™ H1 segments within the DeltaV™ S-Series Distributed Control System (DCS). This module enables the seamless integration of smart field instruments—such as Fisher positioners and Rosemount transmitters—into the DeltaV architecture. By supporting multi-drop digital bus technology, the KJ3242X1-BK1 allows for bi-directional communication of process variables and advanced device diagnostics. We supply this module as 100% Brand New original equipment to ensure maximum network reliability and E-E-A-T compliant performance in mission-critical process loops.

Technical Specifications

Feature	Details
Manufacturer	Emerson (USA)
Model Number	KJ3242X1-BK1
Series	DeltaV S-Series
Part Number	12P4711X032
Interface Type	FOUNDATION Fieldbus H1
Communication Rate	31.25 kbit/s
Capacity	Supports multiple fieldbus segments
Isolation	Galvanic isolation (Channel-to-System)
Diagnostics	Real-time device health & communication status
Power Supply	24 VDC Nominal
Operating Temp	-20 °C to +60 °C
Dimensions	107 × 41 × 105 mm (approx.)
Weight	1.5 kg (Shipping weight)

Engineering Advantages

Digital Intelligence Integration: The KJ3242X1-BK1 unlocks the full potential of FOUNDATION Fieldbus technology. It allows the DeltaV system to access multi-variable data and predictive diagnostics from smart instruments, enabling proactive maintenance and reducing unplanned downtime.
Simplified Field Wiring: Unlike traditional point-to-point analog wiring, this module supports multi-drop digital segments. This architecture significantly reduces cable tray requirements, terminal block counts, and overall installation costs while maintaining high signal integrity.
Hot-Swappable Reliability: Designed for the S-Series carrier, this module supports hot-swapping under power. Technicians can replace or upgrade the card without disrupting the process or other I/O modules on the same carrier, ensuring continuous operation for power and chemical facilities.
Robust Signal Isolation: Integrated galvanic isolation protects the DeltaV controller backplane from field-side electrical surges and transients. This hardware barrier ensures that fault conditions on a specific fieldbus segment do not propagate to the core control logic.

FAQs

Does the KJ3242X1-BK1 provide power to the Fieldbus segment?

No. This module provides the communication interface. You must use a separate Fieldbus Power Supply and Power Conditioner to energize the H1 segment and the connected field instruments.
Can I use this module for high-speed redundancy?

Yes. DeltaV supports redundant configurations for Fieldbus H1 cards. When installed in pairs on a redundant S-Series carrier, the system automatically switches to the standby card if the primary unit detects a communication failure.
What is the maximum number of devices supported per segment?

While the protocol supports up to 32 devices, the practical limit depends on the power consumption of the devices and the voltage drop over the cable length. Most industrial applications successfully run 12 to 16 devices per KJ3242X1-BK1 segment.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.