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- SE4002S2T1B2
- Discrete Output Card
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- 131 × 41.8 × 130.8 mm
- 0.4 kg
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Product Overview
The Emerson SE4002S2T1B2 DeltaV S-series Discrete Output Card is a discrete output module for the Emerson DeltaV S-series control system.
It converts output commands from the DeltaV controller into discrete field-side signals for equipment such as solenoid valves, relays, contactors, annunciators, and other two-state devices.
The SE4002S2T1B2 is used in DeltaV I/O configurations where dependable discrete command handling is required for process equipment and automation sequences.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Emerson |
| Model | SE4002S2T1B2 |
| Product Family | DeltaV S-series |
| Product Type | Discrete Output Card |
| Application | Discrete Output Control |
| Dimensions | 131 × 41.8 × 130.8 mm |
| Weight | 0.4 kg |
Product Features
- Emerson DeltaV S-series Discrete Output Card
- Model SE4002S2T1B2
- Provides discrete output control
- Interfaces DeltaV control logic with field devices
- Suitable for two-state control applications
- Supports process equipment command signals
- Suitable for valve, relay, solenoid, and actuator applications
- Modular DeltaV I/O architecture
- Applicable to process automation and industrial control
- Suitable for DeltaV system maintenance and replacement
Working Principle
The SE4002S2T1B2 receives discrete output commands from the DeltaV control system and controls the corresponding field-side output states.
A typical signal path is:
DeltaV Control Logic → S-series I/O → SE4002S2T1B2 → Field Wiring → Actuator
When the control logic calls for an output state change, the card switches the applicable output circuit. The connected field device then responds according to its electrical control arrangement.
Typical applications include:
- Solenoid valve actuation
- Relay control
- Contactor commands
- Motor start/stop circuits
- Alarm annunciation
- Interlock actions
- Process sequence control
Role in DeltaV S-series Architecture
| System Element | Function |
|---|---|
| DeltaV Controller | Executes control strategy |
| S-series I/O System | Interfaces control logic with field signals |
| SE4002S2T1B2 | Provides discrete output signals |
| Terminal / Field Interface | Connects I/O to field wiring |
| Relay / Contactor | Interfaces applicable loads |
| Solenoid / Valve | Performs physical process action |
| Field Equipment | Responds to control commands |
The card forms the output interface between DeltaV software logic and discrete field equipment.
Discrete Output Functions
| Function | Example |
|---|---|
| Equipment Start/Stop | Motor or auxiliary equipment |
| Valve Actuation | Open / close command |
| Solenoid Control | Energize / de-energize |
| Relay Switching | Enable external circuit |
| Alarm Output | Activate annunciation |
| Interlock Control | Initiate protective action |
| Sequence Control | Advance equipment operation |
Discrete outputs are particularly suited to equipment with defined ON/OFF or energized/de-energized operating states.
Industrial Applications
| Application | Typical Use |
|---|---|
| Oil & Gas | Valve and equipment control |
| Chemical Processing | Solenoid and interlock control |
| Power Generation | Auxiliary equipment commands |
| Water Treatment | Pump and valve control |
| Pharmaceutical Production | Process sequence control |
| Food & Beverage | Machine and valve control |
| Manufacturing | Discrete actuator control |
| Process Automation | Alarm and interlock outputs |
Installation and Maintenance
- Confirm the SE4002S2T1B2 model.
- Verify the DeltaV I/O configuration.
- Check the existing module and field wiring arrangement.
- Isolate applicable circuits before replacement.
- Inspect terminals and field connections.
- Check for loose or damaged wiring.
- Remove the existing card according to the maintenance procedure.
- Install the replacement card correctly.
- Verify module seating and connection.
- Restore the applicable system connections.
- Check DeltaV diagnostics.
- Verify output-channel status.
- Test representative output commands.
- Confirm connected field devices respond correctly.
- Review alarms and diagnostics after commissioning.
When troubleshooting an output that does not operate correctly, the control logic, I/O card, field interface, wiring, and final actuator should be evaluated separately.
Compatible System Components
| Component | Function |
|---|---|
| Emerson SE4002S2T1B2 | DeltaV S-series Discrete Output Card |
| DeltaV S-series Controller | Control strategy execution |
| DeltaV S-series I/O Hardware | Field signal interface |
| Field Terminal Hardware | Field wiring connection |
| Relays / Contactors | Load switching |
| Solenoid Valves | Discrete process control |
| HMI / Operator Station | Monitoring and command interface |
| DeltaV Engineering Tools | Configuration and diagnostics |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Emerson SE4002S2T1B2 | DeltaV S-series Discrete Output Card | Discrete output control |
| Emerson SE4002S1T1B1 | DeltaV S-series Discrete Output Card | Digital output applications |
| Emerson SE4002S1T1B3 | DeltaV S-series Discrete Output Card | Digital output applications |
| Emerson SE4002S1T2B1 | DeltaV S-series Discrete Output Card | Digital output applications |
| Emerson SE4002S1T2B5 | DeltaV S-series Discrete Output Card | Digital output applications |
| Emerson SE4002S1T2B6 | DeltaV S-series Discrete Output Card | Digital output applications |
| Emerson SE4002S2T1B1 | DeltaV S-series Discrete Output Card | Digital output applications |
Key Advantages
- Emerson DeltaV S-series Discrete Output Card.
- Model SE4002S2T1B2.
- Provides discrete field-device control.
- Suitable for process and industrial automation.
- Supports valve, relay, solenoid, and actuator commands.
- Integrates discrete output functions into the DeltaV I/O architecture.
- Suitable for equipment sequencing and interlock functions.
- Applicable to DeltaV system maintenance and replacement.
Technical FAQs
What role does SE4002S2T1B2 play in a DeltaV control sequence?
The card converts a discrete command generated by DeltaV control logic into the corresponding output state used by the field circuit. It therefore sits between the control strategy and the physical device being commanded.
Why might a field actuator remain inactive even when DeltaV shows an output command?
The displayed control state does not necessarily prove that the complete field circuit is functioning. The output card, terminal connections, wiring, interposing relay, power circuit, and actuator should be checked individually.
Which process functions are particularly suitable for discrete outputs?
Applications with clearly defined operating states are typical, including valve open/close commands, solenoid energization, equipment start/stop functions, relay switching, and discrete interlock actions.
What should be compared after replacing the SE4002S2T1B2?
The replacement should be checked against the existing DeltaV I/O configuration, channel assignments, field connections, and diagnostic state. Representative output operations should then be tested to confirm that the intended control sequence is preserved.