EMERSON VE4003S2B1
Overview
VE4003S2B1 is a discrete output module belonging to Emerson’s DeltaV series. It is suitable for 19-inch rack or wall-mounted installation and is widely used in fields such as process control and industrial automation.
Specifications
- Model: VE4003S2B1 (corresponding to KJ3222X1‑BA1)
- Power Supply: Compatible with 24V DC (specific power supply models can be found on the supplier’s page)
- Communication Interfaces: Supports multiple industrial protocols including IEC 61850, Modbus, and EtherNet/IP
- Input/Output: Discrete output, supporting 12 points per module (the specific number of points depends on the actual configuration)
Product Features
- Compact and robust mechanical structure, suitable for harsh industrial environments
- High-performance computing capability, enabling fast-response discrete control
- Multiple communication interfaces, compatible with various DCS/PLC systems for easy system integration
- Supports OTA (Over-the-Air) updates and remote diagnosis functions to improve maintenance efficiency
Structure and Composition
It adopts a standard 19-inch rack size and internally includes a power module, a CPU control unit, discrete output drive circuits, and a communication interface card.It features a modular design, facilitating quick on-site plug-and-play replacement and supporting hot-swapping operations.
Application Fields
- Petrochemical refining and natural gas transmission and distribution
- Power and energy management (including renewable energy and energy storage systems)
- Food, beverage, and pharmaceutical process automation
- Papermaking, textile, and metal processing
- Real-time monitoring and optimization of process control and continuous production lines
Installation and Maintenance
Installation
- It adopts standard 19-inch rack or wall-mounted installation, with sufficient ventilation space reserved.
- Wiring shall comply with IEC 61850 and local electrical codes. Power supply, grounding, and network wiring shall be completed first before module insertion/extraction and power-on.
Commissioning
Use the DeltaV/PlantWeb Insight software provided by Emerson for hardware identification, parameter configuration, and function testing. System acceptance shall be conducted after on-site calibration is completed.
Maintenance
- It is recommended to conduct routine inspections every 6 months, including power supply voltage stabilization, cooling fan cleaning, module connection fastening, and firmware updates.
- Abnormal alarms can be pushed in real time through the built-in remote diagnosis function, supporting OTA updates and on-site quick module replacement.

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Quality Products & Comprehensive Services
We deliver cutting-edge automation solutions tailored to global standards. Our product range includes PLC controllers, DCS systems, and frequency inverters from top-tier international brands such as ABB and GE—all 100% original imported with full traceability to ensure uncompromised reliability. Beyond hardware supply, we offer end-to-end support: professional technical consultation, seamless system integration, and meticulous on-site commissioning, all designed to guarantee long-term stable operation of your automation infrastructure.
Industry Expertise & Customized Solutions
Backed by years of hands-on industry experience and deep technical expertise, we specialize in crafting bespoke automation solutions for sectors including petrochemicals, power generation, and automotive manufacturing. Whether you’re launching a new project from scratch or upgrading existing systems to boost performance, our team provides holistic support—from initial needs assessment to post-implementation maintenance—to align with your unique operational goals.
Customer Value Focus
Our core mission is to help you maximize operational efficiency, cut unnecessary costs, and elevate product quality. The precise control of PLC controllers minimizes production errors, while the robust stability of DCS systems reduces downtime—both working together to drive higher profitability and competitive advantage for your business.
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.
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