Product Introduction
The Emerson SE4001S3T1B2 Discrete Input Card is an industrial-grade input module designed for acquiring AC digital signals in automation control systems. It is commonly used in distributed control architectures where consistent monitoring of external device status is required for process operation and system coordination.
This module supports 120V AC discrete input signals and is built with an 8-channel architecture. Each channel is electrically isolated, allowing independent signal acquisition from multiple field devices. The design improves signal integrity and ensures stable data transmission from field equipment to the control system.
A key feature of this model is its fused 8-channel terminal block, which provides structured wiring connections for field devices. This design simplifies installation, improves wiring organization, and supports easier maintenance during system operation. The compact structure allows efficient mounting inside standard industrial control cabinets.
The SE4001S3T1B2 is widely applied in industrial automation environments such as power systems, oil and gas facilities, chemical plants, water treatment systems, and manufacturing operations. It is designed to operate consistently in environments where multiple AC-based switching signals need to be monitored.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | SE4001S3T1B2 |
| Product Type | Discrete Input Card |
| Manufacturer | Emerson |
| Input Channels | 8 Channels |
| Input Voltage | 120V AC |
| Signal Type | Discrete Input |
| Isolation | Channel-to-System Isolation |
| Protection Type | Fused Input Channels |
| Terminal Type | 8-Channel Terminal Block |
| Signal Processing | Digital Input Monitoring |
| Installation Method | Rack / Panel Mounted |
| Application Environment | Industrial Automation Systems |
| Response Time | Standard Industrial Response |
| System Compatibility | Emerson Control Systems |
| Diagnostics | Channel Status Indication |
| Operating Stability | Stable Industrial Operation |
| Dimensions | 131 x 41.8 x 130.8 mm |
| Weight | 0.4 kg |
Applications
● Industrial Automation Systems
Used for collecting switching status signals from field devices.
● Power Generation Systems
Applied in auxiliary monitoring and electrical signal acquisition.
● Oil and Gas Facilities
Used for monitoring operational states of field equipment.
● Chemical Processing Plants
Supports status acquisition for process control equipment.
● Water Treatment Systems
Used for monitoring pump and equipment operating states.
● Manufacturing Systems
Collects discrete status signals from production equipment.
Advantages
● Multi-Channel Signal Handling
Supports simultaneous acquisition of multiple independent input signals.
● Channel Isolation Design
Each channel operates independently for improved signal separation.
● Structured Wiring Layout
Fused terminal block improves wiring organization.
● Compact Installation Size
Suitable for dense control cabinet configurations.
● Stable Signal Processing
Provides consistent handling of AC switching signals.
● System Compatibility
Integrates with Emerson control system architectures.
Excellent PLC

