EMERSON KJ3242X1-EA1 Digital I/O Module
EMERSON KJ3242X1-EA1
1. Overview
- Product Positioning: The EMERSON KJ3242X1-EA1 is a digital I/O module for the Emerson DeltaV system. It is specifically designed for discrete signal acquisition and control in industrial sites such as process automation, petrochemicals, electric power, and metallurgy.
- Core Functions: It provides 8 channels of high-speed and reliable discrete input/output (dry contact), supports 24 V DC power supply, and is equipped with module self-diagnosis and status indication.
2. Specifications
| Parameter | Specification | Remarks |
|---|---|---|
| Model | KJ3242X1‑EA1 | Belongs to the 12P series (12P‑xxx‑X0xx) |
| Input/Output Channels | 8 channels of DI / 8 channels of DO | Dry contact, voltage 24 V DC, current ≤ 1 A |
| Power Supply | 24 V DC ±10 % | Internal module power management |
| Operating Temperature | –40 °C ~ +85 °C | Suitable for harsh industrial site environments |
| Protection Class | IP20 (indoor) | IP65 protective enclosure is optional |
| Communication Interface | Emerson DeltaV Fieldbus (HART/Modbus) | Seamless integration with master station controller |
| Mechanical Dimensions | 120 mm × 120 mm × 30 mm (Width × Height × Thickness) | Standard 19-inch rack mounting |
| Weight | ≈ 1.0 kg | Lightweight design |
3. Product Features
- High-Speed Response: The input/output switching time is less than 0.5 ms, meeting the requirements of real-time control.
- Module Self-Diagnosis: Built-in fault detection and LED status indication, supporting remote monitoring.
- Strong Compatibility: Compliant with the DeltaV VE series standards, it can be directly inserted into the 12P‑xxx‑X0xx series bases.
- High Reliability: Adopts industrial-grade components, resists electromagnetic interference, and has a service life of ≥ 100,000 hours.
- Easy Maintenance: Modular structure enables quick plug-and-play replacement, minimizing downtime.
4. Structure and Composition
- Base (12P‑xxx‑X0xx): Provides power supply, signal bus, and mechanical support.
- Module Body:Terminal Block: Each channel is equipped with input/output terminals, grounding terminals, and a HART interface.
- 8 channels of digital input circuits (opto-isolated)
- 8 channels of digital output circuits (transistor-driven)
- HART/Modbus communication chip
- Status indicators (power, communication, fault)
- Heat Sink: A metal heat sink improves heat dissipation performance and ensures stability during long-term operation.
5. Application Fields
- Petrochemical Industry: Switch control and status monitoring of valves and pump stations.
- Power System: Discrete signal acquisition for circuit breakers and relay protection.
- Metallurgy and Iron & Steel Industry: Digital access for furnace temperature and material level sensors.
- Water Treatment and Sewage Treatment: Start-stop control of valves and pumps.
- General Process Automation: Any on-site control system that requires reliable discrete I/O.
6. Installation and Maintenance
Installation Steps
- Turn off the system power and confirm on-site safety.
- Align the module with the base card slot and push it gently until it clicks into place.
- Fix the module with screws to ensure mechanical stability.
- Connect the power cable, signal cable, and HART/Modbus communication cable.
- Start the system and check if the LED indicators are normal.
Maintenance Points
- Regularly check the tightness of terminal connections to prevent loosening.
- Monitor the module temperature and clean the dust on the heat sink if necessary.
- Use the DeltaV diagnostic function to read self-test reports and replace faulty channels in a timely manner.
- If module replacement is required, first take the module offline in the control system before performing plug-and-play operations.
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Frequently Asked Questions (FAQs)
Q: What is your warranty policy?
A: All our products come with a 12-month manufacturer-backed warranty. Additionally, we offer a 15-day return guarantee for any items found with quality defects upon receipt.
Q: Other suppliers quote lower prices than yours
A: “Going the extra mile to resolve customer order challenges” is our guiding principle. If you’ve received a more competitive quote, share the details with us—we’ll work diligently to match the price while maintaining our high-quality standards and support.
Q: We haven’t worked together before; how can we build trust?
A: For our first collaboration, we offer a flexible payment plan: you only need to pay a deposit to start production, and the remaining balance is due once the goods are fully prepared and inspected (with photos/videos provided for verification).
Q: What shipping options do you provide?
A: We partner with leading logistics providers including TNT, DHL, FedEx, EMS, and UPS for fast, secure delivery. If you prefer to use your trusted freight forwarder, we’re happy to coordinate with them to ensure smooth shipment.
