Description
Foxboro FBM208 P0914TB
Technical Specifications
- Input Capacity: 4 channels of 0-20mA analog inputs
- Output Capacity: 4 channels of 0-20mA analog outputs
- Bus Interface: Redundant 2 Mbps Module Fieldbus
- Mounting: Standard 200 Series baseplate
Functional Features
- Space-Efficient Combination: Integrates both analog input and output in one module, reducing baseplate slot requirements and panel wiring density.
- High-Precision Control: Provides accurate analog measurement and control output for precise regulatory loops.
- Hot-Swappable Design: Supports online replacement without disrupting the control node.
- Comprehensive Diagnostics: Reports input signal status (e.g., open wire, over-range) and output loop health to the control processor.
Application Scenarios
Ideal for flow control loops, pressure/temperature regulation, valve positioning, and any process requiring paired analog measurement and analog control output.
Performance Parameters
- Operating Temperature: 0°C to 60°C
- Ingress Protection: IP20
- Power Requirements: Backplane powered, 24 VDC nominal via 200 Series baseplate
Material Composition
Constructed with precision analog components, conformal-coated PCBs, and a durable aluminum housing to ensure long-term stability in varying industrial environments.
Structural Characteristics
Standard 200 Series FBM form factor. Utilizes a specialized Terminal Assembly (TA) with clearly separated analog input and output terminal blocks for safe wiring.
Working Principle
Analog inputs are conditioned, filtered, and converted to digital values via precision ADCs. Analog outputs are generated by DACs and converted to 0-20mA current signals. The module communicates bidirectionally with the controller over the redundant Module Fieldbus.
Installation Requirements
Install on a 200 Series baseplate. Use shielded twisted-pair cables for all analog signals. Ensure proper single-point grounding of cable shields at the TA to prevent ground loops.
Usage Precautions
Never connect voltage signals to current input channels. Verify the load impedance on output channels does not exceed specifications. Always follow proper ESD (Electrostatic Discharge) precautions during installation and maintenance.
