Description
Foxboro SY-0303451D
Technical Specifications
- Product Type: Active/Passive Signal Conditioning Terminal Block.
- Input/Output: Configurable for RTD, Thermocouple, 4-20mA, or discrete signals.
- Isolation: Channel-to-channel and channel-to-ground isolation.
- Power: 24VDC loop power or external supply.
Functional Features
- Signal Isolation: Breaks ground loops and protects the DCS from field transients.
- Noise Filtering: Built-in RC filters remove high-frequency electrical noise.
- Loop Power: Provides regulated power for 2-wire transmitters.
- Diagnostics: LED indicators for power, signal presence, and fault conditions.
Application Scenarios
Used in electrically noisy environments, when interfacing with high-voltage field devices, or when ground loop issues are causing measurement errors.
Performance Parameters
- Isolation Voltage: 1500V AC for 1 minute.
- Accuracy: ±0.1% of span (for active conditioning).
- Response Time: <100ms.
Material Composition
High-temperature thermoplastic housing. Internal PCB with precision resistors, opto-isolators
