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Contact: POWER DUKE
Phone: +86 18059884790
E-mail: plc66@qq.com
Add: fujian xiamen
- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
- WeChat：18059884790
- E-mail: plc66@qq.com
FOXBORO 0399085B (0303440C+0303458A) Product Description
Short Description: FOXBORO 0399085B is a complete analog input assembly for Foxboro I/A Series DCS systems, assembled by main PCB board 0303440C and matching daughter board 0303458A. This rugged dual-board set acquires 4-20mA and voltage analog signals from field transmitters, converts raw field data into digital signals for DCS processing with high precision and strong anti-interference performance.
Product Functions
- Collect analog signals (4-20mA / 0-10V) from field pressure, temperature, flow and level transmitters
- Signal filtering, conditioning and high-precision analog-to-digital conversion
- Transmit digital measurement data to Foxboro I/A series controller for real-time process monitoring
- Built-in channel isolation to suppress electromagnetic interference in high-noise industrial sites
- Onboard self-diagnosis, channel fault detection and alarm feedback to DCS operator station
Application Scenarios
- Petrochemical plants and oil refinery DCS control rooms
- Thermal power plant boiler and turbine parameter monitoring
- Pulp & paper, mining and mineral processing process control loops
- Chemical continuous production and reactor monitoring systems
- Water treatment and large industrial automation control cabinets
Frequently Asked Questions
Q1: What is the relationship between 0399085B, 0303440C and 0303458A?
A: 0399085B is the full assembly part number. The package includes main board 0303440C and daughter board 0303458A. Both boards must work together as a matched set, cannot be used separately.
Q2: What symptoms indicate this board assembly needs replacement?
A: Blank or fluctuating channel readings, DCS channel fault alarms, loss of field signal acquisition, communication dropout, PCB burn marks or track damage.
Q3: Does 0399085B fit all Foxboro I/A Series racks?
A: Not universally compatible. Verify rack model, slot type and system firmware revision before ordering to confirm compatibility.
Q4: What precautions for handling and installation?
A: Wear ESD wristband when handling PCB boards. Cut off cabinet power before installation or removal. Protect boards from moisture, dust and physical impact.
