Name: SE4301T04 KL3012X1-BA1 DeltaV 230VAC Isolated DI CHARM, Emerson Electronic Marshalling Single‑Channel Isolated Digital Input Characterization Module for 230VAC Field Status Signals - MASSIVE
Brand: EMERSON

Description

SE4301T04 KL3012X1-BA1 DeltaV 230VAC Isolated DI CHARM, Emerson Electronic Marshalling Single‑Channel Isolated Digital Input Characterization Module for 230VAC Field Status Signals

Product Application

SE4301T04 is a single‑channel digital input CHARM (Characterization Module) for Emerson DeltaV Electronic Marshalling architecture, dedicated to acquiring 230VAC field discrete status signals. It converts high‑voltage AC field contact status into digital signal and transmits data to CHARM I/O Card (CIOC), then to DeltaV controller via redundant Ethernet I/O network. Commonly used in petrochemical, oil & gas, power and pulp & paper industries for monitoring AC‑powered equipment status: motor running feedback, valve position feedback, pump status, relay contact, alarm contact and other 230VAC discrete signals. Electronic marshalling design removes traditional marshalling cabinet cross‑wiring. Field wires can be directly terminated on CHARM terminal base, plug the matching CHARM to realize signal type configuration. It supports flexible late project I/O modification and can be installed in remote junction cabinets close to field process equipment. Each channel is independent; fault of one CHARM will not affect adjacent channels.

Product Specifications

Part Number: SE4301T04
Alternate Hardware Marking: KL3012X1-BA1
Product Type: Single‑Channel 230 VAC Isolated Digital Input CHARM
Signal Type: 230 VAC discrete input
Isolation: Channel isolation between field AC circuit and low‑voltage CHARM side
Mounting: Plug‑in miniature CHARM module, snapped onto CHARM terminal block
Hot‑Swap: Hot‑swappable single channel CHARM
Architecture: DeltaV Electronic Marshalling, works with CIOC (CHARM I/O Card)
Channel Diagnosis: Field open‑circuit detection, fault indication
Certification: ATEX / IECEx / FM Class I Div 2 hazardous area certification
Protection Grade: IP20, cabinet / junction box installation

Core Technical Parameters

Input Signal: 230 VAC digital status signal
Channel: Single independent DI channel per CHARM
Isolation Voltage: Reinforced isolation between field AC side and control circuit
Power Supply: Powered by CHARM base 24 VDC bus
Operating Temperature: -20 ℃ ~ +60 ℃
Storage Temperature: -40 ℃ ~ +85 ℃
Relative Humidity: 5%–95%, non‑condensing
Channel Fault Detection: Open‑loop / abnormal field circuit diagnostic alarm
Communication: Communicate to CIOC via CHARM backplane bus
Enclosure: Compact plastic CHARM housing, small footprint
EMC: Meet industrial process control EMC requirements

Recommended Matching Models (8 Models)

Supporting hardware to build complete DeltaV Electronic Marshalling system:

VE3008 KJ2005X1-MQ DeltaV MQ Controller
CIOC CHARM I/O Card
CHARM I/O Carrier (DIN‑rail mount)
CHARM Terminal Base for single channel CHARM
KJ1501X1-BC2 Redundant 24VDC Rack Power Supply
SE4301T02 Dry Contact DI CHARM
SE4302T01 24VDC High‑Side DO CHARM
DeltaV AMS Asset Management Software

Product Features

✅ Single‑Channel Granularity Electronic Marshalling One CHARM corresponds to one field signal channel. No need to pre‑group I/O by signal type. After field wiring termination, simply plug in the SE4301T04 CHARM to define it as 230VAC DI channel, greatly simplifies cabinet wiring and late engineering modification.

✅ 230VAC Channel‑to‑Channel Isolation Built‑in isolation barrier for high‑voltage AC input, prevents AC surge, noise and fault propagation to other channels and low‑voltage control side, improves system safety and anti‑interference performance.

✅ Compact Hot‑Swap CHARM Design Small form factor, snap‑on installation on terminal block. Single faulty CHARM can be replaced online without powering down the whole marshalling rack or affecting other normal I/O channels.

✅ Built‑in Channel‑Level Diagnostics Real‑time detection of field wiring open circuit and abnormal signal. Fault alarm is transmitted to DeltaV operator workstation for fast locating faulty field loop.

✅ Hazardous Area Installation Approval Suitable for Zone 2 / Class I Div 2 explosive gas environment. Can be installed in field remote junction box, shorten long‑distance multi‑core field cable.

✅ Fully Redundant Communication Path Signal uploaded from CHARM → CIOC → DeltaV controller via redundant Ethernet I/O network, eliminates single point of communication failure for critical discrete monitoring points.

✅ Seamless DeltaV Auto Recognition After CHARM insertion, CIOC automatically identifies the SE4301T04 module type. Channel tags can be assigned directly in DeltaV engineering station without DIP switch setting.

Installation Guidelines

Confirm the CHARM carrier and CIOC rack power is on. CHARM hot‑swap replacement can be carried out without cutting off rack power.
Terminate field 230VAC signal wires to corresponding terminals on CHARM terminal base. Strictly separate high‑voltage AC wiring from low‑voltage instrument signal wiring in cable duct.
Snap SE4301T04 CHARM firmly onto the target terminal block slot until it clicks locked.
Check mechanical locking status of CHARM to ensure reliable bus contact between CHARM and terminal base.
Power on the field 230VAC contact circuit. Verify CIOC automatically discovers this new CHARM channel in DeltaV system.
Assign DST tag for this DI channel in DeltaV engineering workstation, download configuration to CIOC.
Trigger field contact ON/OFF status, test signal feedback in DeltaV operator screen to confirm correct discrete status acquisition.
Set up channel fault alarm for open‑circuit monitoring before formal online operation.

Maintenance Instructions

Daily Maintenance Check CHARM status LED on terminal base. Monitor DeltaV system alarm list for channel open‑circuit fault. Inspect junction cabinet temperature and ventilation status. Check AC wiring terminals for looseness or oxidation.

Periodic Maintenance Every 6–12 months: Back up CIOC and CHARM channel configuration. Inspect dust accumulation in junction box. Tighten AC signal terminals. Test field contact feedback status of each 230VAC DI loop.

Fault Maintenance

No DI status change: First inspect field 230VAC power supply and contact wiring; confirm CHARM hardware failure then replace spare .
Channel open‑circuit alarm: Check continuity of field AC cable and contact.
CIOC cannot detect CHARM: Re‑seat CHARM on terminal base; inspect terminal base backplane bus contact.
Electrostatic protection required during CHARM handling. Do not disassemble CHARM housing privately.

Long‑Term Operation Tips Avoid excessive AC surge on field 230VAC loops, install surge protection for long‑distance AC wiring. Keep field junction box sealed and waterproof to prevent moisture and dust corrosion on terminals and CHARMs.