FOXBORO FBM202
Product Description
The FOXBORO FBM202 is a high-performance thermocouple/millivolt input module designed for industrial process control applications. It is part of the Foxboro I/A Series and is used to interface electrical input signals from field sensors to the Fieldbus. This module is designed to provide precise temperature measurements and reliable signal transmission.
Product Parameters
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Number of Channels: 8 thermocouple/millivolt input channels, 1 isolated RTD reference junction compensation channel
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Input Type: Thermocouple, millivolt
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Input Range: -10.5 to +69.5 mV DC
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Accuracy: ±0.03% of span for millivolt input, ±0.25°C for RTD reference junction
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Resolution: 0.1°C (0.18°F)
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Power Supply: 24 VDC
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Power Consumption: 3W (maximum)
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Operating Temperature Range: -20°C to +70°C (-4°F to +158°F)
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Dimensions: 100 mm x 50 mm x 25 mm (3.94 in. x 1.97 in. x 0.98 in.)
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Weight: 0.2 kg (0.44 lbs.)
Product Specifications
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Input Channels: Eight isolated and independent thermocouple/millivolt input channels, along with one isolated reference junction temperature compensation channel
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Signal Conversion: Each channel performs A/D signal conversion using an independent Sigma-Delta converter
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Thermocouple Types: B, E, J, K, N, R, S, T, and other millivolt signals
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Thermocouple Burnout Detection: Full upscale value
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Channel Isolation: Each channel is galvanically isolated from all other channels and ground, withstanding a potential of 600 V AC applied for one minute
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Communication Protocols: Modbus, Profibus DP, DeviceNet
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Shell Protection Level: IP66/NEMA 4X
Series
The FBM202 belongs to the Foxboro I/A Series, a well-known series in industrial automation, known for its reliability and versatility.
Features
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High Precision: Provides high-precision measurement to ensure reliable process control
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Reliability: Designed for harsh industrial environments with a sturdy and durable construction
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Flexibility: Supports multiple thermocouple types and fieldbus protocols to meet various application requirements
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Ease of Use: Easy to install and configure, with clear labeling and color-coded terminals
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Visual Indicators: Red and green LEDs on the front of the module provide visual status indicators
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Modular Design: Can be easily replaced without removing field device termination, power, or communication wiring
Functions
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Signal Acquisition: Collects analog signals from sensors such as thermocouples and RTDs
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Signal Conversion: Converts analog signals to digital for transmission to the control system
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Process Control: Ensures precise temperature control in industrial processes
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Fault Detection: Provides thermocouple burnout detection and channel isolation to prevent signal interference
Uses
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Industrial Automation: Used in manufacturing process control, equipment control, and production line automation
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Process Control: Monitors and controls parameters in chemical, oil, and gas industries
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Power Generation: Ensures stable operation of critical equipment in power plants
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Water Treatment: Controls water quality and treatment processes
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Pharmaceutical and Food Processing: Ensures precise control in production processes