Basic Information
- Part No: P0400DA, corresponding model code: FBM01
- Manufacturer: Foxboro (Invensys legacy, now Schneider Electric)
- Product Line: I/A Series DCS FBM field I/O module
- Core Function: 4-channel differential analog input card for converting field 0~20mA loop signal into digital bus data for DCS controller
Key Electrical Specifications
- Input Signal: DC 0~20mA, compatible with standard 4~20mA transmitter loops, partial versions support HART communication
- Channel Count: 4 isolated differential input channels
- Conversion Precision: 16-bit ADC resolution, full-scale accuracy ±0.1%FS
- Sampling Rate: 10 samples per second per single channel
- Galvanic Isolation: 1500VAC isolation between field side and backplane bus to suppress industrial EMI interference
- Power Supply: Powered via rack backplane 5VDC; typical power consumption ≤2.5W
Mechanical & Environmental Parameters
- Mount: Standard slot plug-in on I/A Series FBM baseplate, full hot-swappable without stopping system operation
- Operating Temp: -40℃ ~ +85℃; storage temperature: -55℃ ~ +90℃
- Dimension: 126×102×36mm; net weight ≈0.32kg
- Certification: UL, CE certified, available for Class I Div.2 hazardous cabinet installation for refinery & chemical plant
Core Hardware Features
- Onboard LED status indicator for power, module fault and individual channel open-loop alarm
- Built-in signal conditioning circuit to filter surge and industrial field noise
- Supports redundant rack power configuration matching Foxboro I/A redundant control architecture
Typical Industrial Application
Mainly deployed for flow, pressure, level and temperature transmitter signal acquisition in petrochemical refining, thermal power station, fine chemical batch production DCS control cabinet, paired with corresponding SY-series terminal wiring plug for field cable termination.
Field Maintenance Troubleshooting Tips
- Constant red channel LED mostly caused by field loop open circuit or transmitter power loss; check loop wiring first before module replacement.
- Irregular signal jump generally originates from poor ground or damaged isolation circuit; verify cabinet earthing condition first.
- Never hot-plug module under live field short-circuit status to avoid internal ADC chip burnout.
Sales Note
The listed price is for reference only and is not binding. Final price can be negotiated according to stock quantity and real-time market supply.







