Product Core Brief
- Model: VE4003S2B1
- Alternate Part Numbers: KJ3002X1-BA1, 12P0680X122
- Brand: Emerson
- Series: DeltaV Classic I/O
- Core Function: 8-channel analog input card for 4-20 mA process signals with HART communication support.
- Product Type: DeltaV Analog Input Module
- Key Specs: 8 channels | 4-20 mA input | HART-enabled | Channel isolation | -40 to +70°C operating range
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction (Rotation Engine)
Reliable analog input acquisition is fundamental to process visibility and control loop performance. The EMERSON VE4003S2B1 is an Emerson DeltaV classic-series analog input module, commonly cross-referenced as KJ3002X1-BA1 and 12P0680X122. It accepts up to eight 4-20 mA field signals and provides HART pass-through capability, allowing smart field instruments to communicate diagnostic and configuration data through the DeltaV system without additional hardware.
This card is typically deployed in oil and gas, chemical, power generation, pharmaceutical, and manufacturing applications where DeltaV systems monitor pressure, temperature, level, flow, and other process variables. For system integrators and maintenance teams managing legacy DeltaV I/O racks, the VE4003S2B1 provides a practical replacement for failed analog input cards, spare inventory replenishment, or brownfield expansion projects.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | DeltaV Analog Input Module |
| Brand | Emerson |
| Model | |
| Alternate Part Numbers | KJ3002X1-BA1, 12P0680X122 |
| Channels | 8 |
| Input Signal | 4-20 mA |
| HART Support | Yes |
| Isolation | Channel-to-system isolation |
| Operating Temperature | -40 to +70°C |
| Typical Applications | Process variable monitoring, control loop feedback, smart instrument integration |
Note: The VE4003S2B1 belongs to the DeltaV classic I/O family. Exact channel accuracy, update rate, and terminal block compatibility should be confirmed against your DeltaV system documentation before installation.
Key Selling Points & Differentiators
- 8-channel 4-20 mA analog input with HART pass-through for smart instrument diagnostics.
- Channel isolation protects the system from ground loops and field-side faults.
- Cross-referenced as KJ3002X1-BA1 / 12P0680X122 for easier procurement.
- Suitable for oil and gas, chemical, power, pharmaceutical, and manufacturing plants.
- Factory-sealed surplus reduces DOA risk compared with pulled used I/O cards.
- 1-year functional warranty covers manufacturing defects and DOA failures.
- Not recommended as a discrete I/O card, thermocouple/RTD module, fieldbus card, controller, or power supply.
Quality Transparency SOP (DYNAMIC GENERATION)
- Visual inspection: Check front panel, connector pins, labeling, PCB condition, and mounting hardware.
- Part verification: Confirm VE4003S2B1, KJ3002X1-BA1, and alternate part number against the packing list.
- Mechanical fitment test: Verify secure insertion into a compatible DeltaV classic I/O carrier slot.
- Power-up test: Verify basic power readiness and module initialization when test infrastructure allows.
- Channel check: Confirm channel recognition and HART communication on a compatible DeltaV test setup when possible.
- Final packing: Anti-static bag, moisture barrier, shock-safe boxing, and photo-documented QA.
Technical Risk Avoidance (DYNAMIC GENERATION)
❗ Do not substitute VE4003S2B1 with VE4003S1B2, VE4003S5B1, VE4003S6B1, or other VE4003 variants. Suffix differences indicate different signal types, channel counts, or terminal configurations.
❗ Verify the correct terminal block. Classic DeltaV analog input cards require the matching AI terminal block for proper field wiring and HART communication.
❗ Confirm DeltaV system version compatibility. While classic I/O cards are generally backward-compatible within the DeltaV platform, firmware and carrier compatibility should be verified.
❗ Do not use this card for thermocouple, RTD, or discrete signal applications. It is designed for 4-20 mA analog input only.
Buyer’s FAQ
Is this a genuine OEM part?
Yes. This is an OEM Emerson DeltaV VE4003S2B1 analog input module supplied as new surplus / factory sealed. We do not rebrand or relabel third-party equivalents.
Is it new or refurbished?
Listed as New Original (New Surplus) / Factory Sealed unless otherwise stated. Any deviation in condition will be disclosed before shipment.
Can I use it as a direct replacement?
Yes, for compatible DeltaV classic I/O applications. Confirm the part number, terminal block type, and carrier slot compatibility first.
What is the difference between VE4003S2B1 and VE4003S1B2?
Both are DeltaV analog input modules, but the suffixes indicate different configurations. Always verify the exact sub-model against your installed system documentation.
Does it support HART communication?
Yes. The VE4003S2B1 supports HART pass-through, enabling communication with HART-enabled field instruments.
What warranty is included?
A 1-year functional warranty covers manufacturing defects and DOA failures. Damage from incorrect terminal block pairing, wrong carrier installation, or improper wiring is not covered.









