Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > Foxboro > FOXBORO FBM216b P0927AJ Communication Redundant Input Interface Module

FOXBORO FBM216b P0927AJ Communication Redundant Input Interface Module

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Product Details

Material	Other, Global universal model	Condition	Other, Global universal model
Task	Other, Global universal model	Mathematical Model	Other, Global universal model
Signal	Other, Global universal model	Customized	Non-Customized
Structure	Other, Global universal model	Operating Voltage	24VDC
Operating Temperature	-40°C to 80°C	Input Range	4-20mA

Product Description

FOXBORO FBM216b Communication Redundant Input Interface Module

FOXBORO FBM216b P0927AJ

Overview

This module is primarily used for collecting digital signals of HART protocol in industrial process control systems. It can receive 4-20mA analog signals, and each channel has electrical isolation, which effectively improves anti-interference capability.

Functional Features

High Precision: The measurement accuracy reaches up to ±0.1%, and the resolution can reach 0.001% of span, suitable for industrial scenarios requiring precise control.
Multifunctionality: Supports analog input/output, digital input/output, and HART protocol communication. It can collect measurement data from HART protocol devices, obtain diagnostic information of HART devices, and use the collected data for process control.
High Reliability: Adopts redundant design, high-quality materials, and manufacturing processes. Each channel is electrically isolated, enabling stable operation in harsh industrial environments.
Strong Communication Capability: Supports multiple communication protocols such as Modbus RTU, Foundation Fieldbus H1, and Profibus DP, facilitating integration with other devices and systems.

Technical Parameters

Input Range: 4-20mA
Output Range: 0-10V DC
Accuracy: ±0.15% of span
Update Rate: 250ms
Load: 2kΩ
Operating Voltage: 24VDC
Power Consumption: 24VDC, 200mA
Operating Temperature: -40°C to 80°C
Storage Temperature: -40°C to 85°C
Humidity: 0 to 95% RH, non-condensing
Vibration: 0.05g rms, 10 to 500Hz
Shock: 15g, 20ms half-sine wave
Number of Channels: 8

Working PrincipleI. Overall Positioning and System Architecture

The FOXBORO FBM216b P0927AJ is a 16-channel analog input module (AI module) in Emerson's FOXBORO I/A Series system, mainly used for collecting various analog signals (such as temperature, pressure, flow, etc.) in industrial process control and converting them into digital signals for transmission to the controller (CPU module) to achieve real-time data monitoring and closed-loop control. Its core architecture follows a modular design of "signal acquisition-conditioning-conversion-transmission-diagnosis", adapted to complex industrial scenarios such as petrochemical, power, and metallurgy.

II. Analysis of Core Working Principles by Module

Signal Acquisition and Input Interface Design

Input Signal Types:
Supports various industrial standard analog signals, including:

4-20mA current signals (most commonly used, with strong anti-interference capability);
0-5V, 1-5V voltage signals;
Temperature sensor signals such as resistance temperature detectors (RTD) and thermocouples (TC) (requiring matching terminal blocks).

Interface and Terminal Configuration:
16 independent input channels adopt isolated terminal design (such as P0914TA terminal block). Each channel can be individually configured for signal types, supporting differential or single-ended input to avoid interference between channels.
Typical Acquisition Scenario:
Example: The pipeline pressure is converted into a 4-20mA signal by a pressure transmitter and connected to the corresponding channel of FBM216b to achieve real-time pressure data collection.

Signal Conditioning and Anti-Interference Processing

Hardware Filtering and Protection:

Input signals first pass through an RC filter circuit to eliminate high-frequency electromagnetic interference (such as noise generated by frequency converters and motor start/stop);
Built-in overvoltage protection diodes (such as TVS tubes) prevent surge voltages (such as lightning strikes and equipment failures) from damaging the module;
Isolation transformers or optocoupler isolation circuits achieve electrical isolation between channels (isolation voltage typically ≥500V DC) to avoid ground loop effects.

Signal Linearization Processing:
For nonlinear signals (such as thermocouples and RTDs), the module has built-in hardware linearization circuits or uses software algorithms (such as polynomial fitting) for calibration to ensure signal conversion accuracy.

A/D Conversion and Digital Signal Processing

Core of Analog-to-Digital Conversion:
Adopts a high-precision Σ-Δ type A/D converter (resolution typically 16 bits or higher) to convert analog signals into digital quantities (e.g., 4-20mA corresponds to digital values 0-32767). The conversion rate is adjustable according to channel configuration (such as 10-100 samples per second) to meet real-time requirements in different working conditions.
Sampling and Quantization Logic:

Multi-channel time-division sampling: The analog multiplexer (MUX) sequentially selects each channel, combined with the sample and hold circuit (S/H) to ensure no signal distortion;
Quantization error compensation: Calibration coefficients (such as zero offset and full-scale gain) are used to correct A/D conversion errors, supporting manual or automatic calibration (such as through I/A Series system software).

Data Transmission and Communication Protocols

Internal Bus Communication:
FBM216b communicates with the controller (such as PM630) through the high-speed serial bus (such as S2I bus) of the FOXBORO I/A Series system. The transmission format is a digital frame structure, including channel address, data value, status flags, and other information. The communication rate is typically 1-10Mbps to ensure data real-time performance (delay ≤10ms).
Protocols and Data Interaction:

Follows Emerson's proprietary communication protocol and supports redundant bus configuration (such as dual-bus fault tolerance) to enhance system reliability;
Data transmission adopts a "periodic refresh + event trigger" mechanism: under normal conditions, data is uploaded at a fixed period (such as 100ms); when the signal exceeds the limit, interrupt transmission is immediately triggered to respond quickly to abnormalities.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

FOXBORO FBM216b P0927AJ Communication Redundant Input Interface Module

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