Description
Emerson VE4001S2T2B4
Technical Specifications:
- Brand: Emerson
- Model Number: VE4001S2T2B4
- Product Series: VE400
- Product Type: Analog Input Module
- Analog Input Channels: 8 independent channels
- Input Modes: Single-ended or differential (switchable)
- Signal Types: 4–20 mA DC current, 1–5 V DC voltage
- Acquisition Accuracy: ±0.1% FS
- Sampling Rate: Up to 10 Hz per channel
- Channel Switching Response Time: ≤10 ms
- Channel Isolation: ≥250 Vrms between channels
- Input-to-Backplane Isolation: Photoelectric isolation
- Bus Interface: DeltaV dedicated high-speed data bus, 10 Mbps
- Operating Temperature: –40°C to +70°C
- Humidity: 5% to 95% RH (non-condensing)
- Protection Rating: IP20
- Conformal Coating: Applied for dust, moisture, and chemical corrosion protection
- MTBF: ≥100,000 hours
- Rack Mounting: Standard 3U rack mount
- Installation Depth: ≤150 mm
Functional Features:
- 8-Channel Analog Input: Simultaneously collects signals from multiple field devices
- Multi-Signal Compatibility: Supports both 4–20 mA current and 1–5 V voltage signals
- High Acquisition Accuracy: ±0.1% FS ensures precise capture of subtle signal changes
- Channel Isolation: Electrical isolation between channels blocks common-mode interference and ground loops
- Photoelectric Backplane Isolation: Protects the control system from field-side electrical faults
- Real-Time Diagnostics: Controller can perform parameter configuration, channel diagnosis, and fault reset via the bus
- AMS Suite Integration: Supports real-time viewing of operating status, calibration records, and fault alarms
- Flexible Configuration: Via DeltaV Configuration Studio for channel signal types, range limits, filtering, and alarm thresholds
Application Scenarios:
- Chemical Reactors: Multi-point temperature monitoring
- Oil and Gas: Pressure and flow measurement acquisition
- Power Generation: Steam pressure and temperature monitoring
- Steel Mills: Process variable monitoring in high-EMI environments
- Water Treatment: Level and flow measurement
Material Composition:
- Industrial-grade A/D conversion chips
- Photoelectric isolation components
- High-quality multi-layer PCB with conformal coating
- Modular enclosure




