Description
The
P0400YC FBM02 is a highly advanced thermocouple/mV input interface module, proudly hailing from Foxboro. As an integral part of the Foxboro I/A Series distributed control system (DCS), it plays a pivotal role in industrial automation setups. Its core functionality is to convert analog signals from thermocouples and millivolt (mv) sensors into digital signals, which are then seamlessly processed by the DCS. With eight isolated thermocouple input channels and one isolated RTD reference junction compensation channel, the
P0400YC FBM02 is well – equipped to handle a variety of temperature – related measurements. This module is crucial for applications where accurate temperature monitoring and control are essential, such as in the petrochemical, power generation, and manufacturing industries. Its ability to interface with a redundant fieldbus ensures reliable data transfer, making it a go – to choice for professionals seeking high – performance and dependable signal conversion in their automation systems.
| Parameter |
Value |
| Product Model |
P0400YC FBM02 |
| Manufacturer |
Foxboro |
| Product Type |
Thermocouple/mV Input Interface Module |
| Input Channels |
8 isolated thermocouple/mV input channels |
| Reference Junction |
1 isolated reference junction compensation channel |
| Input Range |
– 10.5 to 71.41875 mV DC |
| Thermocouple Types |
B, E, J, K, S, T, N, and other millivolt signals |
| Accuracy (Millivolt Input) |
± 0.035% of span (± 0.028 mV) |
| Accuracy (RTD Channel) |
± 0.025% of span (± 0.2 °C) |
| Thermocouple Conformity |
± 0.25 °C |
| RTD Conformity |
± 0.25 °C |
| Accuracy Temperature Coefficient |
± 25 ppm/°C |
| RTD Reference Junction Measurement Accuracy |
± 0.50 °C |
| Communication |
Via a redundant fieldbus |
| Input Open Circuit Voltage |
0.25 V DC (mv channels) |
| Input Voltage Range (Redundant) |
26 to 42 V DC |
| Maximum Consumption |
9 W |
| Maximum Heat Dissipation |
9 W |
| Isolation |
Can withstand 600 V AC applied for 1 minute between any channel and ground, or between channels |
| Mounting (with Y – adapter) |
Installable in the 1×8 mounting structure, I/A Series industrial enclosures, and field enclosure 8 |
| Mounting (without Y – adapter) |
Installable in I/A Series field enclosure 4 and 1×8 FBM mounting structure |
| Mass |
1 kg (2.2 lb) |
| Indicators |
Operational status: red and green LEDs |
| Field Termination Connections |
Discrete wire block: 16 screw – clamp terminals; Direct connection block: 16 screw – clamp terminals; Plug connector block: 34 – pin connector |
The
P0400YC FBM02 offers a plethora of practical strengths. Its isolated input channels provide excellent noise immunity, ensuring that the signals being converted are accurate and free from interference. This is particularly important in industrial settings where electromagnetic noise can be prevalent.
The module’s ability to support a wide range of thermocouple types makes it highly versatile. Whether it’s a B – type thermocouple for high – temperature applications or a T – type for more general – purpose use, the
P0400YC FBM02 can handle them all. This flexibility allows for seamless integration into existing systems without the need for extensive re – engineering.
The built – in burnout detection feature, which provides a full – scale indication when a thermocouple burnout occurs, is a significant advantage. It enables continuous monitoring of sensor health, reducing the risk of undetected failures that could lead to costly production disruptions.
In terms of communication, the redundant fieldbus connection is a game – changer. It ensures reliable communication even in the event of a fieldbus failure, enhancing the overall system availability. This is crucial for industries where downtime is not an option, such as in continuous process manufacturing.
The P0400YC FBM02 also features high – accuracy conversion capabilities. With low error margins in both millivolt and RTD channel conversions, it provides precise temperature data, which is essential for maintaining tight control over industrial processes.
- P0400YD FBM02 – A possible variant with perhaps different input ranges or minor feature enhancements compared to the P0400YC FBM02.
- FBM03 – Another input module in the Foxboro product line, which may have different types of input channels or be optimized for other specific sensor interfaces.
- P0400YE FBM02 – Could be an upgraded version with improved accuracy or additional diagnostic features for more advanced applications.
- FBM01 – A related module that might handle different signal types or have a different channel configuration, but is part of the same family as the P0400YC FBM02 and can be used in combination with it in complex DCS setups.
- P0400YF FBM02 – This model may have been designed to meet specific environmental requirements, like higher temperature resistance or better corrosion protection compared to the standard P0400YC FBM02.

Hainan Jinlin Electromechanical Equipment Co., Ltd is a certified partner of industry – leading brands. We take pride in our professional pre – sale and after – sale services. For the
P0400YC FBM02 , we offer a one – year after – sale guarantee. If you can’t find the desired model or have any questions regarding this or other products, please contact us via WhatsApp at
https://wa.me/+8619389860630 or email us at JLLucky33@qq.com.
A module in a Series system with applications in power, steel, chemicals, petroleum, electronics, aerospace, water and wastewater treatment, pulp and paper, food and beverage
FOXBORO FBM02 Technical description
FOXBORO FBM02 Technical description:
The FBM02 is an analog input module that can receive 4-20mA current signals:
The FBM02 has an isolated 4-20mA output that can be programmed to flow or temperature standards
FBMO2 has HART communication and protocol functions.
FOXBORO FBM02 features:
Small size, light weight, easy to carry,
Stable performance, safe and reliable.
Simple operation and easy maintenance.
Strong compatibility, wide range of application
FOXBORO FBM02 Application domain
FOXBORO FBM02 is used in:
Power, steel, chemicals, petroleum, electronics, aerospace, water and wastewater treatment, pulp and paper, food and beverage industries 12.
The benefits of FOXBORO FBM02 are:
Lower fees: You can avoid Amazon’s warehousing and fulfillment fees, thereby saving money and costs
Better control: can better control inventory, logistics and orders and other links,
More flexible: can decide the price of goods, promotion and marketing strategy, and quickly respond to market changes

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