EMERSON KJ3242X1-BK1

1. Overview

The EMERSON KJ3242X1-BK1 12P4711X042 is part of Emerson’s S-Series H1 Card / Analog Expansion Module lineup and is compatible with the DeltaV control system.

It is powered by a 12 V DC local bus (300 mA) and features a field circuit of 32 V DC (12 mA per port).

The operating temperature range is -40 °C to +70 °C (some documents indicate -40 °C to +85 °C). It has an IP rating of IP20/IP66 and meets IECEx explosion-proof certification (Ex d IIC T6).

2. Main Technical Specifications

• Model: KJ3242X1-BK1 12P4711X042
• Type: Fieldbus H1 Card / Analog Expansion Module (can be used as an I/O card)
• Power Supply: Local bus: 12 V DC 300 mA; Field circuit: 32 V DC 12 mA per port
• Input/Output: Supports analog inputs (for temperature, pressure, flow, etc.) and analog outputs (-10 V to +10 V or 4-20 mA)
• Communication Protocols: Foundation Fieldbus H1; compatible with DeviceNet, Profibus, EtherNet/IP, etc. (noted by some suppliers)
• Operating Temperature: -40 °C to +70 °C (or -40 °C to +85 °C)
• IP Rating: IP20 (standard) / IP66 (explosion-proof version)
• Dimensions: Approximately 85 mm × 50 mm × 35 mm (or 90 mm × 60 mm × 35 mm)
• Weight: 0.2 kg to 0.5 kg
• Certifications: IECEx, Explosion-proof Ex d IIC T6, ISA-S71.04 (G3)

3. Product Features

• High Reliability: Designed with dustproof, waterproof, shock-resistant (10 g), and vibration-resistant (0.5 g) capabilities to adapt to harsh industrial environments.
• Multi-Protocol Compatibility: In addition to Foundation Fieldbus H1, it supports DeviceNet, Profibus, EtherNet/IP, etc., facilitating system integration.
• Modular Expansion: Can be used as an analog expansion module to increase I/O channels, supporting various analog signals such as temperature, pressure, and flow.
• Easy Configuration: Parameter setting and monitoring are performed via DeltaV Control Studio software, with support for hot swapping and on-site diagnostics.
• Explosion-Proof Design: Complies with the Ex d IIC T6 explosion-proof rating, suitable for hazardous areas such as petroleum and chemical industries.

4. Structure and Composition

• Card Body: Features an aluminum alloy housing that provides IP66 protection.
• Power Module: Separates the local bus power supply circuit (12 V DC) from the field circuit (32 V DC).
• I/O Interfaces: Includes several analog input/output terminals (available options: 4-20 mA, 0-10 V, -10-10 V) and a communication port (H1 bus).
• Explosion-Proof Junction Box (for some models): Used for cable connection in hazardous areas, with Ex d protection.

5. Typical Application Areas

• Process Automation: Process control systems in industries such as petroleum, natural gas, chemicals, pharmaceuticals, food and beverages, and water treatment.
• HVAC and Cold Chain: Temperature control for refrigeration and freezing equipment.
• Industrial Heating and Cooling: Accurate monitoring and regulation of temperature, pressure, and flow.
• Mechanical and Equipment Monitoring: On-site data collection for injection molding machines, compressors, pump stations, etc.
• Hazardous Areas: The explosion-proof junction box is used for cable connection in flammable and explosive environments such as petroleum and chemical industries.

6. Installation and Maintenance Key Points

1. Pre-Installation Check: Confirm the model and complete accessories; verify the power supply voltage, wiring diagram, and fieldbus compatibility.
2. Installation Method: Supports DIN rail or wall-mounted installation; explosion-proof versions require the use of an explosion-proof junction box and compliance with IECEx installation specifications.
3. Wiring: Follow the manufacturer-provided wiring diagram to connect the local bus (12 V DC) and field circuit (32 V DC), ensuring the current per port does not exceed 12 mA.
4. Software Configuration: Use DeltaV Control Studio or the corresponding manufacturer’s configuration software to perform I/O mapping and communication parameter settings.
5. Commissioning: Conduct on-site signal calibration (for temperature, pressure, etc.), check communication status, and confirm the availability of alarm and diagnostic functions.
6. Maintenance: Regularly inspect the tightness of the power supply and junction box; clean the housing to prevent dust accumulation; conduct annual re-inspection of explosion-proof certification; update firmware or driver software to maintain compatibility.
7. Troubleshooting: Use the diagnostic LEDs on the card or the fault logs of the DeltaV system to locate issues; replace the module or junction box if necessary.

 ------------------------------------------

Many products have not been listed yet. Please contact us for more products

📧 sales5@xrjdcs.com |  📞 +86 18250705533（WhatsApp）丨Sales Manager： Jinny  

Main brand

ABB 丨 GE 丨Allen Bradley  丨  Honeywell 丨   Emerson  丨  Bently Nevada   丨 Westinghouse  

Triconex  丨Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward  & more

Frequently Asked Questions (FAQs)

• Q: Are you a trading company or a manufacturer?A: We are a trading company.
• Q: Do you have stock on hand, or do you need to purchase from other suppliers?A: We have a large amount of stock available for sale, and we also own our own warehouse.
• Q: Do you provide 100% original and new products?A: Absolutely. There is no plagiarism, no counterfeiting, and no used/renewed items—only original products.
• Q: Do you sell outdated products, even very old ones?A: If a new model is available as a replacement, we will recommend you use the new model. If replacement is not easy, we will help inspect the old product to ensure it is in good condition. We will always inform you of the true situation regarding other conditions of use.
• Q: What is your delivery time?A: If the goods are in stock, delivery usually takes 2-3 working days. For large quantities, it takes 5-7 working days after receiving payment. For non-standard products, the ordering and delivery process usually takes 3-4 weeks or 6-8 weeks.

✅ Provide first-class service!

✅ Achieve faster delivery speed!

✅ Deliver original new parts!