1. Emerson SE4303T01 | Genuine HART Analog Input Asset

2. Unboxing & Physical Snapshot

• Brand & Model: Emerson SE4303T01
• Product Family: DeltaV Electronic Marshalling CHARM
• Product Type: Analog Input (AI) 4–20 mA HART Characterization Module (CHARM).
• Signal Type: 4–20 mA analog input with HART pass-through support.
• Resolution: 16-bit A/D converter.
• Nominal Supply: 24 VDC field interface.
• Power Dissipation: Approximately 0.33 W.
• Approximate Physical Dimensions: Approximately 12 × 63 × 67 mm (0.47 × 2.48 × 2.64 in); dimensions vary slightly by production revision and terminal arrangement.
• Estimated Shipping Weight: Approximately 0.2 lb (0.1 kg); packaged shipment typically less than 0.5 lb.
• Mounting Method: Installs into a DeltaV CHARM I/O baseplate.
• What’s in the Box:
  • Emerson SE4303T01 AI HART CHARM
  • Protective anti-static (ESD) packaging
  • Protective dust cover (when supplied)
  • Installation documentation when included

3. Product Introduction

Control system integrity depends on every I/O point performing exactly as designed. The Emerson SE4303T01 is a dedicated 4–20 mA HART Analog Input CHARM for the DeltaV Electronic Marshalling architecture, allowing each field signal to be characterized independently without assigning fixed I/O card types to entire terminal assemblies (an important advantage during late-stage project modifications).

Although physically compact, this module performs precision analog conversion and passes HART digital communication to the DeltaV system. Confirm that the CHARM matches the intended signal type before installation. Inspect the contact blades, molded housing, and identification label carefully. Even slight contamination on the connector surfaces can create intermittent field signal issues that consume hours of troubleshooting.

4. Core Technical Specifications

Parameter	Value
Manufacturer	Emerson
Model Number	SE4303T01
Product Type	AI 4–20 mA HART CHARM
System Platform	DeltaV Electronic Marshalling
Input Signal	4–20 mA (0–20 mA supported)
HART Compatibility	HART Version 7 pass-through
A/D Resolution	16-bit
Input Impedance	250 Ω ±1%
Measurement Accuracy	±0.1% of span (0–60°C); ±0.25% over extended temperature range
Repeatability	0.05% of span
Field Power	Supports 2-wire, 3-wire, and 4-wire transmitters
Operating Voltage	24 VDC
Maximum Power Consumption	Approximately 0.33 W
Field Protection	30 mA current limiting and field wiring disconnect
Installation	DeltaV CHARM Baseplate
Calibration	Factory calibration; routine field calibration not required

Emerson SE4303T01

5. Global Compliance & Industry Certifications

Expected regulatory approvals for this class of DeltaV CHARM hardware include:

• CE Mark — for EMC and Low Voltage Directive compliance when installed within an approved DeltaV system.
• UL/cUL Recognized Component — commonly associated with DeltaV control assemblies.
• RoHS Compliance — applicable to current production revisions.
• IEC 61010 safety practices for industrial measurement equipment.
• ATEX/IECEx — hazardous-area approval depends on the complete control system architecture rather than the CHARM alone.
• Marine certifications (such as DNV GL or ABS) — available only when incorporated into certified marine automation systems.

One approval deserves special attention. EMC compliance helps ensure that nearby variable-frequency drives, large motors, and switching power supplies do not introduce analog measurement errors that could affect process control.

Verify specific lot certifications with OEM.

6. Long-Term Storage & Asset Preservation Guide

• Keep the CHARM inside its original ESD shielding bag until installation. The exposed edge contacts should never be handled directly with bare fingers.
• Maintain warehouse storage below 60% relative humidity. Oxidation on connector contacts develops slowly but can increase contact resistance after years on the shelf.
• Store the module in a temperature-controlled environment between inspection intervals. Avoid stacking heavy inventory on the package because excessive compression may crack the molded housing (particularly around the retaining latch).
• Record the hardware revision, manufacturing date code, and storage inspection history in the asset management system.
• Before commissioning a long-stored spare, inspect the contact surfaces under magnification and verify that the locking tabs move freely.

7. Physical Installation Prerequisites

• Install only on a compatible Emerson DeltaV Electronic Marshalling CHARM Baseplate.
• Verify that the assigned channel is configured for a 4–20 mA HART Analog Input CHARM before inserting the module.
• Leave at least 50 mm (2 in) of clearance above and below densely populated cabinet assemblies to promote natural convection cooling.
• Confirm that the control cabinet protective earth is properly bonded before energizing the system.
• Route analog signal wiring separately from high-voltage motor or VFD cables to minimize electrical interference.
• Insert the CHARM straight into the baseplate until the retaining latch fully engages.

8. Buyer’s FAQ (Logistics & Compliance Focus)

Q: Which HS Tariff Code is generally used for the SE4303T01?

A: Industrial analog input modules are commonly classified under HS 8537 as parts of electrical control systems. Final tariff classification depends on national customs regulations and the declared application, so confirmation with a licensed customs broker is recommended.

Q: Does the Country of Origin influence compliance documentation?

A: Yes. Country of Origin (COO) affects customs declarations, procurement qualification, free-trade agreement eligibility, and audit traceability. Always retain the original manufacturer label and packing documentation with the asset record.

Q: Should this CHARM be shipped with cargo insurance?

A: Yes. While lightweight, the module contains precision electronic components and exposed connector interfaces. Insurance helps protect against concealed transit damage and simplifies replacement claims for high-availability facilities.

Q: Is the latest firmware already installed on the SE4303T01?

A: The SE4303T01 is a CHARM analog input module, not a standalone controller. Its functionality depends primarily on the DeltaV system software and CHARM I/O infrastructure rather than field-upgradable firmware. Verify compatibility with the installed DeltaV software revision before placing the module into service.