Foxboro FBM207C RH917GY | 48 V dc Contact Sense

Overview

FBM207C RH917GY by Foxboro is a 48 V DC Contact Sense Module, designed for precise contact sensing with robust performance in harsh industrial environments.

Communication

• Module Fieldbus: Communicates with the FCM or FCP via a redundant 2 Mbps Fieldbus.

Input Specifications

• Channels: 16 isolated, independent channels.
• Accuracy: No missing pulses for pulse rates between 0 to 250 Hz.
• Filter/Debounce Time: Configurable options of No Filtering, 4, 8, 16, or 32 ms.

Voltage Monitor Function

• Logic One (On-State):
  • Voltage: 15 to 60 V DC.
  • Current: 1.4 mA (typical) at 5 to 60 V DC.
  • Resistance Limit: 1 kΩ (maximum) at 15 V DC.
• Logic Zero (Off-State):
  • Voltage: 0 to 5 V DC.
  • Resistance Limit: 100 kΩ (minimum) at 60 V DC.

Contact Sensor Function

• Range: Detects contact open (off) or closed (on).
• Open-Circuit Voltage: 48 V DC ±15%.
• Short-Circuit Current: 3.2 mA (typical).
• Logic State Resistance:
  • ON-State: 1.0 kΩ (maximum).
  • OFF-State: 100 kΩ (minimum).

Power Requirements

• Input Voltage Range: 24 V DC (+5%, -10%).
• Consumption: 5 W.
• Heat Dissipation: 5 W.

Physical Specifications

• Mounting:
  • Modular baseplate installation.
  • Can be mounted horizontally or vertically on DIN rails or in a 19-inch rack.
• Dimensions:
  • Height: 114 mm (4.5 in) including mounting lugs.
  • Width: 45 mm (1.75 in).
  • Depth: 104 mm (4.11 in).
• Weight: 185 g (6.5 oz).

Environmental Specifications

• Operating Temperature: -20 to +70°C (-4 to +158°F).
• Humidity: 5 to 95% (non-condensing).
• Altitude: -300 to +3,000 m (-1,000 to +10,000 ft).
• Vibration Resistance: 7.5 m/s² (0.75 g) from 5 to 500 Hz.