Description
Foxboro AD908AC
Technical Specifications
- Signal Type: Analog and digital signal processing.
- Isolation: Channel-to-channel and channel-to-ground isolation.
- Bus Interface: Compatible with Foxboro Module Fieldbus.
Functional Features
- Signal Conditioning: Filters, amplifies, and linearizes raw field signals.
- Noise Rejection: High common-mode rejection ratio for noisy environments.
- Diagnostic Reporting: Continuously monitors internal health and field wire integrity.
- Hot-Swappable: Supports online maintenance.
Application Scenarios
Ideal for interfacing legacy sensors or specialized instrumentation requiring custom signal scaling.
Performance Parameters
- Accuracy: High-precision A/D and D/A conversion.
- Update Rate: Configurable scan rates.
Material Composition
Robust enclosure with multi-layer PCBs and protective conformal coating.
Structural Characteristics
- Compact Design: Maximizes cabinet space utilization.
- Status LEDs: Visual feedback for power, communication, and faults.
Working Principle
Receives raw signals, applies hardware-level conditioning and filtering, digitizes the data, and transmits it over the fieldbus while accepting control outputs for actuation.
Installation Requirements
- Ensure proper shielding and grounding of signal cables.
- Mount in a well-ventilated area.
Precautions for Use
- Verify signal compatibility before connecting field devices.
- Follow ESD safety protocols during handling.
