Overview

The FBM206 is a pulse input module offering 7 to 27 V DC input capabilities, with isolated channels and rugged construction suitable for harsh industrial environments. 

Features

• Pulse Input Channels
  • FBM206: Eight isolated independent pulse input channels
  • FBM206b: Four isolated independent pulse input channels and four 0 to 20 mA analog output channels
• Pulse Rate and Accuracy
  • Maximum pulse rate of 25 kHz, with 0.01% accuracy
  • No missing pulses for pulse rates between 10 Hz and 25 kHz
• Signal Processing
  • Execution of a pulse input application program with configurable options for pulse rate totalization and meter scaling
  • Configurable options for Pulse Rate Totalization and Resolution on a per-module basis
• Environmental Suitability
  • Designed for Class G3 (harsh) environments
  • Galvanically isolated channels for noise immunity
• Power Supply and Protection
  • Loop power supply protection with current limiting and voltage regulation
  • Maximum power consumption: 7 W
  • Heat dissipation: 5 W

Functional Specifications

• Input Channels
  • Pulse rate: 10 Hz to 25 kHz
  • Input impedance: 10 kΩ
  • Input duty cycle: Minimum pulse width as per specified characteristics
• Output Channels (FBM206b Only)
  • Output range: 4 isolated 0 to 20.4 mA DC analog output channels
  • Output load: 735 Ω
  • Compliance voltage: 18.6 V at 20 mA
  • Output accuracy: ±0.05% of span
  • Resolution: 12 bits
  • Settling time: 100 ms for a 10-90% input step change
  • Linearity error: ±0.025% of span
• Field Device Cabling
  • Field device cabling distance depends on compliance voltage, wire resistance, and voltage drop at the field device

Power Requirements

• Input Voltage Range (Redundant): 24 V DC ±5%, -10%
• Power Consumption: 7 W (maximum)
• Heat Dissipation: 5 W (maximum)

Environmental Specifications

• Operating Temperature
  • Module: -20 to +70°C (-4 to +158°F)
  • Termination Assembly: -20 to +70°C (-4 to +158°F)
• Storage Temperature
  • Module: -40 to +70°C (-40 to +158°F)
  • Termination Assembly: -40 to +70°C (-40 to +158°F)
• Humidity: 5 to 95% (non-condensing)
• Altitude:
  • Operating: -300 to +3,000 m (-1,000 to +10,000 ft)
  • Storage: -300 to +12,000 m (-1,000 to +40,000 ft)
• Vibration Resistance: 7.5 m/s² (5 to 500 Hz)
• Contamination: Suitable for Class G3 (Harsh) environments

Physical Specifications

• Module Dimensions
  • Height: 102 mm (4 in), 114 mm (4.5 in) including mounting lugs
  • Width: 45 mm (1.75 in)
  • Depth: 104 mm (4.11 in)
• Weight
  • Module: 284 g (10 oz)
  • Termination Assemblies:
    • Compression: 181 g (0.40 lb)
    • Ring Lug: 249 g (0.55 lb)
• Mounting
  • Mounts on a modular baseplate, compatible with DIN rail or 19-inch rack (horizontal)
  • Termination assemblies mount on DIN rail