The Foxboro FBM202 provides specialized thermal measurement for the I/A Series and Foxboro Evo Distributed Control Systems (DCS). This 100% Brand New original input module features 8 channel-isolated inputs specifically designed for thermocouple and millivolt (mV) signals. By converting low-level thermal voltage directly into digital process data, the FBM202 eliminates the need for external signal transmitters. Its rugged design ensures precise temperature monitoring in high-stakes environments such as petrochemical reactors, power plant boilers, and industrial furnaces, where accurate thermal data drives process safety and efficiency.
| Parameter | Specification Details |
| Input Channels | 8 Isolated and Independent Channels |
| Input Type | Thermocouple (Multiple Types) / Millivolt (mV) |
| Accuracy | ±0.1% of span (Typical) |
| Resolution | 16-bit A/D Conversion |
| Isolation | Full Channel-to-Channel and Channel-to-System |
| Power Input | 24 VDC Redundant Input Support |
| Power Consumption | 7 W Typical |
| Operating Temp | -40°C to +70°C (-40°F to +158°F) |
| Enclosure Rating | IP65 with G3 Protective Coating |
| Dimensions (HxWxD) | 4.5 cm x 10.5 cm x 11.5 cm |
| Weight | 0.35 kg |
Total Signal Integrity: The FBM202 employs galvanically isolated channels. This architecture prevents common-mode noise and ground loop currents from distorting sensitive thermocouple signals. Even if a field-side electrical surge affects one thermocouple, the remaining seven channels continue to report accurate data without interference.
Direct Thermocouple Interface: This module supports a wide variety of thermocouple types directly. It performs cold-junction compensation and linearization internally, significantly reducing the complexity of field wiring and eliminating the cost of purchasing and calibrating intermediate 4-20mA transmitters.
Redundant System Availability: You can configure the FBM202 in redundant pairs within the 3500 rack or I/A series baseplate. The system automatically switches to the standby module if the primary unit detects a hardware failure, ensuring the control processor never loses critical temperature data.
Harsh Environment Resilience: A factory-applied G3 conformal coating protects the internal circuitry from the corrosive effects of sulfur, moisture, and chemical vapors. The module thrives in unconditioned field enclosures, maintaining its 16-bit precision even during extreme ambient temperature fluctuations.
Does the FBM202 perform internal cold-junction compensation?
Yes. When used with the appropriate Termination Assembly (TA) that contains a Cold-Junction Reference (CJR), the module automatically compensates for temperature variations at the terminal connection to ensure absolute accuracy.
Can I mix thermocouple types on a single FBM202?
While the hardware supports various types, you typically configure the module software to a specific thermocouple type per module or per group. Consult your Foxboro configuration software for specific channel-level flexibility.
What is the primary difference between FBM202 and FBM211?
The FBM202 is specialized for low-level Thermocouple and mV signals with 8 isolated channels. The FBM211 is a higher-density 16-channel module primarily designed for standard 4-20 mA current loop inputs.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.