FOXBORO P0916AG Compression Period Component

FOXBORO P0916AG Compression Period Component

Product Overview

FOXBORO P0916AG is the core component of Foxboro's I/A series programmable controllers, an analog output module designed specifically for precise control requirements in industrial automation. Its core function is to accurately convert the digital signals transmitted by the control system into analog signals, provide stable control signals for various actuators, and achieve the adjustment and control of key parameters in industrial production processes.

This module adopts a modular architecture design and is compatible with other modules in the Foxboro I/A series. It has the characteristics of easy installation and efficient maintenance. With high reliability and high-precision performance, it is widely used in multiple industrial fields such as petroleum, chemical, and power that require strict control accuracy. It has become a key hub connecting digital control and physical execution in process control systems.

Specification parameters

Basic Information

Model: P0916AG; Brand: Foxboro; Type: Analog Output Module

Channel configuration

8 independent analog output channels with isolation design between channels

Signal characteristics

Signal type: Supports current and voltage output; Accuracy: 0.1% full scale; Resolution: 16 bits

Electrical parameters

Working voltage: 90-264 VAC or 24 VDC; Output frequency: 30 kHz; Isolation level: 2kV CAT III

Physical specifications

Size: Approximately 111 mm x 89 mm x 25 mm; Weight: Approximately 0.3 kg

communication method

Stable communication achieved through I/A series backplane bus and programmable controller (PC)

Performance characteristics

-High precision signal conversion: Using the latest digital technology and high-precision analog technology, it achieves an accuracy of 0.1% full scale and 16 bit resolution, ensuring that the output signal is highly consistent with the control instructions, providing core support for precise control of industrial processes.

-High reliability and stability: The module adopts high durability components internally, and the isolation design between channels effectively avoids signal interference, adapts to the complex electromagnetic environment of industrial sites, reduces the occurrence rate of failures, and meets the needs of continuous production.

-Convenient operation and maintenance design: supports hot plugging function, can complete module replacement and maintenance without shutting down the entire control system, greatly reducing downtime; Built in fault diagnosis function can quickly locate abnormal channels and fault causes, improving operation and maintenance efficiency.

-Flexible compatibility feature: As a standard module of Foxboro I/A series, it can seamlessly integrate with other control modules and acquisition modules in the series, support multiple output signal configurations, adapt to different types of actuators, and meet the diverse needs of industrial control scenarios.

Working principle

The core of the FOXBORO P0916AG module is to achieve precise conversion and transmission of "digital signal analog signal". The entire process can be divided into four stages: signal reception, conversion processing, output control, and feedback monitoring

1. Signal reception: Receive digital control instructions from the programmable controller through the I/A series backplane bus, which includes the target operating parameters of the actuator (such as valve opening and corresponding values of motor speed).

2. Conversion processing: The signal processing unit inside the module decodes the digital instructions and converts them into continuous analog signals through D/A (digital to analog conversion) circuits. Depending on actual needs, they are converted into industrial standard analog signals such as 4-20mA current signals or 0-10V voltage signals.

3. Output control: The converted analog signal is transmitted to the corresponding actuator (such as regulating valve, servo motor, etc.) through 8 independent channels, driving the actuator to act according to control instructions, and adjusting key parameters such as temperature, pressure, flow rate, etc. in the industrial process.

4. Feedback monitoring: In some application scenarios, the module can receive position feedback signals from actuators (such as valve position feedback), convert them into digital signals, and transmit them back to the controller to form closed-loop control, ensuring that the actuator action matches the control instructions completely.

Precautions

1. Installation and operation specifications

-Before installation, it is necessary to confirm that the working voltage matches the on-site power supply (90-264 VAC or 24 VDC) to ensure stable power supply voltage and reliable grounding, and to avoid module damage due to voltage fluctuations or poor grounding.

-The module installation must meet the requirements of industrial environment, be placed in a dry and well ventilated area, away from water sources, high temperature heat sources, and strong electromagnetic fields. The distance between ventilation holes and obstructions should not be less than 5 centimeters to ensure normal heat dissipation.

-Before connecting or disassembling modules, the corresponding power must be turned off, and matching connecting wires and tools must be used to avoid damaging the interface with excessive force. Ensure that the wiring is firm and the interface matches, and prevent poor contact from causing signal abnormalities.

2. Key points of operation and maintenance

-Regularly use a soft dry cloth to clean the module housing, and prohibit the use of acidic or alkaline cleaning agents. Before cleaning, disconnect the power supply to prevent moisture from entering the interior of the module.

-Only authorized personnel are allowed to configure modules, upgrade software, and handle faults. Upgraded software must be obtained from Foxboro official channels to avoid installing unknown source programs and introducing security risks.

-If the module has abnormal indicator lights, unstable signal output, or other faults, it should be immediately suspended from use and the official after-sales technical support should be contacted. It is prohibited to disassemble and repair it by oneself to avoid expanding the scope of the fault.

3. Safety protection requirements

-The module needs to be installed in a restricted area, with physical protection and access control measures in place to prevent unauthorized personnel from touching and operating it; When used in explosion-proof areas, it must comply with the on-site explosion-proof level requirements.

-Avoid exposing the module to flammable, explosive, or corrosive gas environments, and keep it away from easily contaminated media such as cutting fluids and oil fumes to prevent corrosion and damage to the casing and internal components.