Foxboro FBM203 RTD Input Module

Overview

The Foxboro FBM203 RTD Input Module is an essential component in I/A Series distributed control systems, designed for precise temperature measurement in harsh industrial environments. With its compact design and rugged construction, the FBM203 ensures reliable operation even in challenging conditions. It features 8 isolated input channels, supporting various RTD sensors and offers exceptional performance, making it ideal for use in hazardous locations, such as Class I, Division 2, Groups A, B, C, and D.

Key Features

8 Isolated Input Channels: Supports multiple temperature inputs simultaneously, ensuring flexibility in measurement.
RTD Sensor Compatibility: Designed to support both 2-wire and 3-wire RTD sensors, allowing for versatile sensor configurations.
Wide Resistance Range: The FBM203 supports a resistance range of 0 to 320 ohms, while the FBM203b extends to 0 to 640 ohms, and the FBM203c allows for a range of 0 to 30 ohms.
Galvanic Isolation: Provides galvanic isolation between channels and ground, improving system reliability and preventing ground loop issues.
Redundant Fieldbus Option: The optional redundant fieldbus increases system reliability and uptime, making it ideal for critical applications.

Technical Specifications

Specification	Details
Part Number	FBM203
Manufacturer	Foxboro
Number of Channels	8
Input Type	RTD
Operating Voltage	24 VDC
Current Consumption	100 mA
Input Range	-40 to 800°C (-40 to 1472°F)
Accuracy	±0.1% of span
Resolution	0.1°C (0.18°F)
Common Mode Rejection	120dB at 6Hz
Operating Temperature	-40 to 85°C (-40 to 185°F)
Storage Temperature	-40 to 85°C (-40 to 185°F)
Humidity	0 to 95% RH, non-condensing
Vibration	0.05 grms, 5 to 500 Hz
Shock Resistance	15 g, 20 ms half-sine
Material	Polycarbonate
Ingress Protection	IP65
Dimensions	110 x 50 x 120 mm (4.33 x 1.97 x 4.72 in)
Weight	0.3 kg (0.66 lb)

Features & Benefits

Compact Design: The Foxboro FBM203 is engineered to save space within control panels, ensuring easy integration into your existing systems.
Reliable Performance: Built to withstand harsh environmental conditions, the FBM203 provides stable, consistent performance for temperature monitoring.
Ease of Installation: Designed for easy installation and simplified maintenance, making it a user-friendly solution for system upgrades or replacements.
Versatile Compatibility: The module is fully compatible with a wide range of I/A Series electronic modules, enhancing its utility across various applications.

Applications

The Foxboro FBM203 is ideal for use in industries such as:

Oil & Gas: For temperature measurements in demanding, hazardous environments.
Power Generation: Provides reliable temperature monitoring for generators and other critical equipment.
Chemical & Process Industries: Used for precise control and monitoring of temperatures in various chemical processes.
Manufacturing: Suitable for temperature sensing in production lines and equipment monitoring.