Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SE4304T01 |
| Brand | Emerson |
| Product Type | Analog Output 4-20 mA HART CHARM |
| System Platform | Emerson DeltaV DCS Electronic Marshalling |
| Signal Range | 4 to 20 mA nominal; 0 to 20 mA option available; full range 0 to 24 mA |
| Resolution | 16-bit D/A converter |
| HART Communication | HART v7 pass-through, AMS support, HART variables and device status available to controller |
| Field Power | 20 mA at 15 VDC supply into 750 ohm load |
| Power Consumption | 42 mA maximum at 24 VDC; heat dissipation 0.48 W |
| Accuracy | +/-0.25% of span from 0 deg C to 60 deg C; +/-0.5% of span from -40 deg C to 70 deg C |
| Circuit Protection | 24 mA current limiting circuit and field wiring disconnect |
| Calibration | No calibration required |
| Hazardous Area Rating | Class I, Division 2 / ATEX / IECEx compliant options depending on installation configuration |
| Origin | USA |
| Operating Temp | -40 deg C to 70 deg C |
4-20 mA HART Process Control Interface
The Emerson SE4304T01 applies DeltaV Electronic Marshalling technology for direct analog output connection to field instruments. Therefore, the module eliminates conventional point-to-point marshalling between control cabinets and field termination assemblies.
The module supports HART v7 communication functions while maintaining analog output execution. In addition, HART variables and device diagnostic information can transfer through the same current loop for asset management functions.
The SE4304T01 follows Emerson process control design practices, including channel-to-channel isolation concepts for improved signal separation. Furthermore, the module supports analog loop applications requiring stable current regulation for valves, actuators, and positioning devices.
Frequently Asked Questions
Q: Does the SE4304T01 require manual calibration before operation?
A: No. The module is factory calibrated and does not require field calibration for standard installation.
Q: What type of field devices can connect to the SE4304T01?
A: The module connects to 4-20 mA analog output devices, including control valves, actuators, and HART-enabled field instruments.
Q: Does the module support HART communication without additional wiring?
A: Yes. The module provides HART v7 pass-through capability through the analog current loop connection.
Field Installation Guidelines
- Install the SE4304T01 on the approved DeltaV CHARM baseplate assembly according to Emerson installation documentation.
- Verify field wiring polarity before connecting analog output loops.
- Use shielded signal cables where required by plant grounding standards.
- Connect cable shields according to site grounding procedures to reduce electromagnetic interference.
- Separate analog signal wiring from high-voltage power cables and switching circuits.
- Confirm the connected field device load is within the specified output capability before commissioning.
- Verify HART communication quality after loop installation and controller configuration.
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