Process Control Analog Output Solution – EMERSON VE4031S2T2B1 | Delta V Series
Where This Product Is Used
The EMERSON VE4031S2T2B1 is a DCS Analog Output Module engineered for mission-critical process control environments. It is widely deployed in:
- Oil & Gas Refineries – Precise 4–20 mA signal output to control valves, flow regulators, and pressure transmitters in upstream and downstream processes.
- Chemical & Petrochemical Plants – Reliable analog output for reactor temperature control, feed rate modulation, and distillation column management.
- Power Generation Facilities – Turbine governor control, boiler feed water regulation, and load dispatch automation.
- Pulp & Paper Manufacturing – Coordinated control of dryer sections, press rolls, and chemical dosing systems.
- Water & Wastewater Treatment – Pump speed control via VFD interfaces and chemical dosing valve positioning.
- Pharmaceutical Manufacturing – GMP-compliant process variable output for bioreactors and clean-in-place (CIP) systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | VE4031S2T2B1 |
| Manufacturer | Emerson Electric / Fisher-Rosemount |
| Series | DeltaV™ S-Series |
| Module Type | Analog Output (AO) |
| Output Channels | 8 Channels |
| Output Signal | 4–20 mA (HART-enabled) |
| Resolution | 16-bit DAC |
| Accuracy | ±0.1% of full scale |
| Loop Power | 24 VDC (loop-powered) |
| Communication | DeltaV I/O Bus |
| HART Protocol | HART 5 / HART 7 compatible |
| Operating Temperature | 0°C to +60°C |
| Humidity | 5% to 95% RH, non-condensing |
| Weight | 180 g (approx.) |
| Mounting | DeltaV S-Series carrier / backplane |
| Agency Approvals | CE, UL, FM, ATEX (zone 2 rated) |
Why Engineers Specify This Model
- HART Pass-Through – Enables simultaneous process control and device diagnostics without additional wiring, reducing commissioning time by up to 40%.
- Hot-Swap Capability – Module can be replaced under power without shutting down the controller, ensuring zero unplanned downtime during maintenance windows.
- 16-Bit Resolution – Delivers fine-grained output resolution critical for tight PID loop performance in temperature and pressure control applications.
- Integrated Diagnostics – On-board self-diagnostics report channel-level faults to the DeltaV workstation in real time, enabling predictive maintenance strategies.
- Galvanic Isolation – Channel-to-channel and channel-to-bus isolation protects the controller from field-side ground loops and transient surges.
- Compact S-Series Form Factor – Fits standard DeltaV S-Series carriers, maximizing I/O density in space-constrained marshalling cabinets.
Complete System Bill of Materials
For a fully operational DeltaV analog output node, engineers typically specify the following alongside the VE4031S2T2B1:
- DeltaV S-Series I/O Carrier (e.g., VE4001S2T2B1 8-slot carrier)
- DeltaV M-Series or S-Series Controller (e.g., MD Plus, SD Plus)
- DeltaV Power Supply Module (VE4004S2T2B1 or equivalent)
- HART Multiplexer (optional, for legacy HART device integration)
- Marshalling Cabinet with DIN rail and terminal blocks
- Shielded twisted-pair cable (Belden 9501 or equivalent) for 4–20 mA loops
- Field instruments: control valves with HART positioners (e.g., Fisher FIELDVUE DVC6200)
Compliance & Industry Standards
- IEC 61511 – Functional Safety for Process Industry Sectors (SIL-capable architecture)
- IEC 61158 – Industrial Communication Networks / Fieldbus Standards
- NAMUR NE 43 – Standardized Signal Levels for Fault Information from Field Devices
- ATEX Directive 2014/34/EU – Zone 2 rated for use in potentially explosive atmospheres
- UL 508 – Industrial Control Equipment
- CE Marking – EMC Directive 2014/30/EU compliance
- RoHS Compliant – Restriction of Hazardous Substances
Quality Assurance & Sourcing
At Konmask.com, every EMERSON VE4031S2T2B1 unit undergoes a rigorous incoming inspection process before dispatch:
- Visual inspection for physical damage, corrosion, and connector integrity
- Firmware version verification against Emerson’s published release matrix
- Functional power-on test with DeltaV simulation environment
- Anti-static packaging with humidity indicator cards for long-haul shipping
- Traceability documentation: serial number, manufacture date, and test report included
We source directly from authorized distributors and verified surplus channels. All units are guaranteed genuine Emerson hardware — no counterfeits, no refurbished-as-new misrepresentation.
How to Source This Part
Ready to procure the EMERSON VE4031S2T2B1? Here’s how to get started:
- Add to Cart – Immediate checkout for stocked units with same-day dispatch (orders before 14:00 CST).
- Request a Quote – For bulk orders (5+ units), contact us for volume pricing and lead time confirmation.
- Technical Pre-Sales – Our engineers can verify compatibility with your existing DeltaV system version and I/O carrier configuration before you order.
- Expedited Shipping – DHL Express, FedEx International Priority, and UPS Worldwide available to 180+ countries.
📧 Email: support@konmask.com
📞 Phone/WhatsApp: +0086 19859288691
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Application-Specific FAQ
Q: Is the VE4031S2T2B1 compatible with DeltaV version 14.x and later?
A: Yes. The S-Series I/O modules are supported across DeltaV v11 through v15+. Firmware updates may be required for v14+ features — contact us for the latest compatibility matrix.
Q: Can this module be used in SIL 2 safety loops?
A: The VE4031S2T2B1 is designed for standard control applications. For SIL 2 certified output, Emerson recommends the SIS-specific CHARMs or SZ-Series modules. We can help you identify the correct SIS alternative.
Q: What is the maximum cable length for the 4–20 mA output loops?
A: With standard 0.5 mm² shielded cable and a 24 VDC loop supply, cable runs up to 1,000 m are achievable. Actual limits depend on field device load resistance and cable capacitance.
Q: Does this module support HART 7 multidrop mode?
A: HART 7 is supported in point-to-point mode. Multidrop HART requires a dedicated HART multiplexer connected to the DeltaV HART I/O interface.
Q: What is the lead time for international orders?
A: In-stock units ship within 1 business day. International delivery via DHL Express typically takes 3–7 business days depending on destination and customs clearance.
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Contact: support@konmask.com | +0086 19859288691
