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Home > Electrical & Electronics > Electrical Control System > Foxboro P0916AA Field Terminal Assembly

Foxboro P0916AA Field Terminal Assembly

Foxboro P0916AA Field Terminal Assembly thumbnail-3

Foxboro P0916AA Field Terminal Assembly photo-1

Foxboro P0916AA Field Terminal Assembly photo-2

Foxboro P0916AA Field Terminal Assembly photo-3

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

1Yr

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Port of Shipment:

China

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Delivery time depends on order quantity.

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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

Foxboro P0916AA

Functional Features

Data Acquisition and Signal Conversion: Receives input signals from sensors, such as current, voltage, thermocouple, etc., converting analog signals from field devices into data that the control system can understand and process.
Control Function: Transmits output commands from the control system to actuators to achieve precise control of industrial processes. It can be used to monitor and regulate various parameters in industrial processes, such as temperature, pressure, flow, and liquid level.
Communication Capability: Supports multiple communication interfaces, including Modbus, HART, and FOUNDATION Fieldbus, enabling seamless communication with other automation devices and control systems for data sharing and collaborative operation.
Multi-Channel Design: Equipped with multiple input and output channels, it can connect to various sensors, actuators, and other control devices, adapting to different industrial application scenarios and meeting complex control requirements.

Performance Advantages

High Reliability: Made of high-quality materials with strict manufacturing processes, tested and verified rigorously. Designed for industrial environments, it can withstand harsh field conditions, featuring high reliability and stability for long-term stable operation.
Easy Maintenance: Provides a simple interface and intelligent diagnostic functions, facilitating users to troubleshoot and maintain faults.

Functional Overview

Foxboro P0916AA is a Fieldbus Module (FBM) of the I/A Series system, mainly used to connect field devices (such as sensors and actuators) with the control system, achieving data acquisition, signal processing, and control command transmission. Its core functions include:

Signal Interface and Processing: Supports various types of input/output signals (such as analog and digital signals), and conditions, isolates, and converts signals.
Field Device Connection: As a bridge between field devices and the control system, it ensures reliable data transmission in industrial networks.
System Expansion: Can be combined with other FBM modules or control processors (such as RH924YF mentioned earlier) to expand the input/output capacity of industrial control systems.

Working Principle1. Hardware Architecture and Signal Transmission Logic

The working principle of P0916AA is based on fieldbus communication protocols and signal processing circuits, with the core processes as follows:

Signal Access and Conditioning: Signals from field devices (such as pressure sensors, temperature transmitters, solenoid valves, etc.), including 4-20mA current, 0-10V voltage, and switch signals, are connected to the P0916AA module via terminals. The internal signal conditioning circuit of the module filters, amplifies, and isolates the input signals to avoid interference and ensure signal stability.
Analog-to-Digital/Digital-to-Analog Conversion (for analog signals): For analog signals, the module converts them into digital signals through an internal analog-to-digital converter (ADC); for digital signals (such as switch states), it directly performs logical processing. For output channels, digital signals are converted into analog quantities through a digital-to-analog converter (DAC) or directly output to actuators in digital form.
Fieldbus Communication: Processed digital signals are transmitted to the control processor (such as RH924YF) via fieldbus (such as Foxboro's FBM bus). The fieldbus uses specific communication protocols (such as serial communication protocols) to support multi-node data transmission, and the module uniquely identifies and communicates with the control system through address coding (Node ID).
Data Interaction and Control Command Execution: After receiving data transmitted by the module, the control processor performs logical operations and control algorithm processing (such as PID regulation), returns control commands to P0916AA via the fieldbus, and the module outputs them to field actuators to achieve closed-loop control.

2. Key Working Mechanisms

Electrical Isolation Design: The module uses electrical isolation technologies (such as optocoupler isolation and transformer isolation) to electrically isolate field devices from the control system, preventing external interferences (such as surges and ground loops) from affecting system stability, while protecting the control system from field device failures.
Fault Diagnosis and Feedback: P0916AA has a self-diagnosis function, which can real-time monitor its own hardware status (such as power supply, communication links, and input/output channels), and feedback fault information (such as channel anomalies and communication interruptions) through status indicator lights (LED) or system logs, facilitating maintenance personnel to quickly troubleshoot problems.
Redundancy and Reliability Design: In industrial control systems, P0916AA supports redundant configurations (such as dual-bus connection and power redundancy). When the main channel fails, the redundant channel automatically takes over to ensure continuous system operation.

3. Collaborative Workflow with Control Systems

Taking a typical industrial automation system as an example, the workflow of P0916AA can be summarized as:

Data Acquisition: The module collects real-time data (such as temperature, pressure, flow) from field devices, and conditions and converts the signals.
Data Transmission: Sends data to the control processor (such as RH924YF) via the fieldbus.
Control Calculation: The control processor processes the data according to preset control strategies (such as logical control and regulatory control) to generate control commands.
Command Output: Control commands are returned to P0916AA via the fieldbus, and the module converts them into signals (such as current, voltage, and switch quantity) suitable for field devices and outputs them.
Closed-Loop Feedback: After the field actuator acts, the module collects feedback data again, forming a closed-loop control cycle of "acquisition-processing-control-feedback".

Product Tags: P0916AA