Foxboro FBM214b RH927AH Analog Input Module

Description

The Foxboro FBM214b RH927AH is a HART-enabled analog input module designed for industrial automation systems. It supports both standard 4–20 mA analog signals and digital HART communication, providing high-accuracy data acquisition and diagnostics across eight individually isolated input channels.

Specifications

• Model: FBM214b RH927AH
• Input Channels: 8 analog input channels
• Signal Types: 4–20 mA analog and HART digital FSK signals
• Sense Resistor: 61.5 Ω nominal
• Total Input Resistance: 280 Ω nominal
• Resolution: 15-bit Sigma-Delta ADC
• Accuracy: ±0.03% of full scale
• Update Rate: 100 milliseconds per channel
• Integration Time: 500 milliseconds
• Common Mode Rejection: Greater than 100 dB at 50 or 60 Hz
• Temperature Coefficient: 50 ppm/°C
• Operating Temperature: –20°C to +60°C
• Storage Temperature: –40°C to +70°C
• Relative Humidity: 5% to 95%, non-condensing
• Dimensions: 2.2 cm × 12.4 cm × 12.6 cm
• Weight: 0.3 kg
• Environmental Rating: Class G3 (harsh industrial environments)
• Mounting: Compatible with Foxboro Evo™ and DCS systems
• Warranty: 12 months

Features

• Dual Signal Support: Accepts both analog and HART digital inputs
• Per-Channel Isolation: Each input is galvanically isolated from others and ground
• Dedicated FSK Modems: One per channel for bi-directional HART communication
• High Accuracy Conversion: Sigma-Delta ADC ensures precise measurements
• Real-Time Diagnostics: Supports HART universal, common practice, and device-specific commands
• Flexible Power Options: Supports internal or external loop-powered transmitters
• Rugged Design: Built for harsh environments with Class G3 compliance
• Fast Response: New analog values available every 100 ms
• Compact Form Factor: Space-efficient for dense control system layouts
• Seamless Integration: Designed for Foxboro Evo™ and compatible DCS platforms