SE4303T01 Emerson DeltaV Analog 4-20mA HART CHARM
Manufacturer: Emerson
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Part Number: SE4303T01
Condition：New with Original Package
Product Type: Analog Input Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson SE4303T01 DeltaV Analog Input CHARM Module
The Emerson SE4303T01, also cataloged as the KL3021X1-BA1 Analog Input CHARM, operates as a dedicated hardware component for 4-20 mA analog signal acquisition within Emerson DeltaV Electronic Marshalling platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SE4303T01 (KL3021X1-BA1) |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.20 kg |
| Dimensions | 107 x 41 x 105 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | 36 mA max at 24 VDC (2-wire), 12 mA max at 24 VDC (3/4-wire) |
| Signal Range | 4-20 mA nominal, 0 to 24 mA full range |
| Signal Compatibility | 2-wire, 3-wire, and 4-wire devices (0-20 mA, 4-20 mA HART) |
| A/D Resolution | 16-bit |
| Accuracy Over Temp | 0.1% of span (0 to 60 deg C), 0.25% of span (-40 to +70 deg C) |
| Input Impedance | 250 ohm +/-1% |
| Field Power (2-Wire) | 15.0 V at 20 mA with 24 VDC input |
| Heat Dissipation | 0.33 W |
| Protection Class | IP20 (ISA-S71.04 Class G3 compliant) |
| Hazardous Approvals | Zone 2, Class I Div. 2 (CE, UL, ATEX, IECEx, FM, UKEX) |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The analog input CHARM provides dedicated signal conversion via an integrated 16-bit A/D converter, feeding digitized process variables directly to the DeltaV backplane. Hardware design supports full pass-through for the 4-20 mA HART loop protocol, enabling dynamic HART device diagnostics and multivariable telemetry to pass transparently to central DCS controllers. Internal galvanic channel-to-channel isolation prevents field ground loops and suppresses electrical noise across adjacent carrier slots. Furthermore, active current limiting at 30 mA protects internal bus electronics from sustained field shorts while maintaining field wiring disconnect capabilities.
Frequently Asked Questions
Q: Does replacing an SE4303T01 module require recalibration of the analog loop?
A: No, the module arrives factory calibrated and contains no manual adjustment potentiometers, maintaining specified span accuracy immediately upon installation.
Q: How does the module handle power delivery for 2-wire transmitters versus external 4-wire loops?
A: Internal circuitry delivers loop power (15.0 V at 20 mA) for 2-wire devices directly through the carrier power bus, drawing 36 mA max at 24 VDC, while passive monitoring of externally powered 3-wire and 4-wire loops reduces CHARM power draw to 12 mA max.
Q: Can this CHARM module be hot-swapped under live field conditions?
A: Yes, technicians can remove or insert individual CHARM units on an energized terminal baseplate without interrupting adjacent I/O channel execution or triggering backplane power faults.
Field Installation Guidelines
Snap the SE4303T01 module vertically into the assigned CHARM baseplate slot until the locking retention tab secures completely. Connect 2-wire, 3-wire, or 4-wire transmitter field leads to the corresponding terminal block terminals, ensuring signal drain wires ground at the main cabinet earth bus bar. Maintain clear separation between analog signal cabling and high-voltage AC power conductors to prevent induced electrical noise. Verify that field wiring conduits meet Class I Div. 2 installation standards, ensuring at least 5 full threads engagement on all enclosure conduit entries.