Emerson SE4301T02 DeltaV™ DI 24 V DC Low-Side Sense CHARM

Overview

The Emerson SE4301T02 is an Analog Output CHARM module for the DeltaV™ Electronic Marshalling system. It delivers precise 4–20 mA analog signals for valves, actuators, and transmitters. Optional HART® communication allows digital diagnostics over the same wiring. This module ensures high-resolution analog control, ideal for process industries and smart instrumentation applications. Installation is simple with pluggable CHARM I/O cards and keyed terminal blocks for correct placement.

Technical Specifications

• Model: SE4301T02

• Function: Analog Output (AO) CHARM

• Signal Output:

• Analog: 4–20 mA

• Optional: HART digital signal superimposed

• Accuracy: High precision output for reliable control

• Load Resistance:

• Minimum: 250 ohms (for HART communication)

• Maximum: 750 ohms

• Isolation:

• Galvanically isolated from system electronics

• Factory tested to 1000 VDC

• Power Requirements:

• CHARM Bus: +6.3 VDC @ ~32 mA

• Field Circuit: +24 VDC @ ~30 mA

• Diagnostics:

• Output loop integrity

• Device status and fault alerts

• Installation:

• Pluggable into CHARM I/O card

• Keyed terminal block ensures correct placement

• Environmental Ratings:

• Operating temperature: –40°C to +70°C

• Shock: 10 g, 11 ms half sine

• Vibration: 1 mm (2–13.2 Hz), 0.7 g

• Discrete Input Support:

• Detection On: >2.25 mA (<5.3 kΩ)

• Detection Off: <1.75 mA (>8.2 kΩ)

• Channel Impedance: 4.8 kΩ

• Wetting Voltage: 22.5 V ±5%, current limited to 12.5 mA

• Field Circuit Protection: 12.5 mA current limiting, field disconnect

• CHARM Power Req.: 22 mA max @ 24 VDC

• Heat Dissipation: 0.33 W

• Fault Detection Capable:

• Short circuit: <100 Ω

• Good status: 400 Ω to 40 kΩ

• Open circuit: >75 kΩ

• Configurable Channel Types:

• Discrete Input – Dry contact or state sensor <2 Hz

• Pulse Count – 0.1 Hz to 10 kHz, minimum 50 µsec pulse width