FOXBORO SY-0399095E SY-0303451D+SY-0303460E DC power module

FOXBORO SY-0399095E SY-0303451D+SY-0303460E DC power module

Product Overview

The FOXBORO SY-0399095E SY-0303451D+SY-0303460E DC power module is a highly reliable power supply solution designed by FOXBORO specifically for industrial automation control systems. It consists of the SY-0399095E main control module, SY-0303451D rectifier module, and SY-0303460E monitoring module, and is a core component of the FOXBORO power system series. This module has stable power supply as its core function, which can convert AC input into high-precision DC output required by industrial equipment. It also has complete monitoring, protection, and redundancy expansion capabilities, providing continuous and reliable power guarantee for core control equipment such as PLC, DCS, and control boards.

Its modular architecture realizes the full process closed-loop management of "power supply rectification monitoring". SY-0303451D is responsible for efficient conversion from AC to DC, SY-0303460E monitors the real-time operation status of the power supply, and SY-0399095E is responsible for system coordination and fault handling. The three work together to ensure power supply stability. The product is widely used in industries with strict requirements for power supply reliability, such as petrochemicals, power energy, metallurgy and steel, and rail transit. It can be directly connected to the FOXBORO series control system and is also compatible with third-party industrial equipment. It is the "power core" for the safe operation of industrial automation systems.

Specification parameters

Module independent parameters

SY-0399095E main control module: supports up to 4 rectifier modules for parallel expansion; Redundant switching time ≤ 1ms; equipped with RS485/Ethernet communication interface; Support dry contact alarm output (8 channels)

SY-0303451D rectifier module: Input voltage: AC 220V ± 20% or AC 380V ± 20% (switchable); Output voltage: DC 24V/48V/110V (configurable); Output current: 20A/module; Conversion efficiency ≥ 92%; Voltage stabilization accuracy ± 0.5%

SY-0303460E monitoring module: monitoring parameters: input/output voltage, output current, module temperature, battery status; Monitoring accuracy: voltage ± 0.1V, current ± 0.1A; equipped with LCD display and button operation functions; Support local parameter settings and remote configuration

Common Parameters - Output Characteristics

Output ripple ≤ 10mVp-p; Load adjustment rate ≤ 0.3%; Voltage stability ≤ 0.2%; Maximum parallel output current: 80A (4 20A modules)

Common Parameters - Protection Function

Overcurrent protection: 110% -150% rated current can be set, with delayed tripping; Overvoltage protection: 115% -120% rated voltage, instantaneous tripping; Undervoltage protection: 80% -85% rated voltage, alarm and switch redundancy; Short circuit protection: instantaneous current limiting, automatically restored after troubleshooting; Over temperature protection: module temperature drops when ≥ 85 ° C, shuts down when ≥ 95 ° C

Common parameters - environmental conditions

Working temperature: -10 ° C to+55 ° C; Storage temperature: -40 ° C to+85 ° C; Relative humidity: 5% -95% (no condensation); Altitude: ≤ 2000m (beyond which capacity reduction is required); Vibration resistance: IEC 60068-2-6 (5-500Hz, 5g)

Common Parameters - Battery Management

Support integration of lead-acid/lithium batteries; Charging mode: Constant current constant voltage float charging three-stage mode; Battery overcharge/overdischarge protection; Battery capacity monitoring and low capacity alarm

Common Parameters - Physics and Authentication

Installation method: 19 inch standard cabinet installation; Dimensions (single module): 482.6mm × 132mm × 150mm; Protection level: IP20; Safety certification: UL, CSA, CE, IEC 61010; Electromagnetic compatibility: IEC 61000-4

Performance characteristics

1. High stability and precise power supply capability

The SY-0303451D rectifier module adopts high-frequency switching power supply technology and digital control scheme, with a conversion efficiency of over 92%, effectively reducing energy consumption while ensuring output stability. The voltage stabilization accuracy is controlled within ± 0.5%, the output ripple is below 10mVp-p, and the load adjustment rate is ≤ 0.3%. Even when the load changes dramatically (such as equipment start stop), the output voltage fluctuation can still be maintained within a very small range, providing pure and stable DC power supply for precision control equipment and avoiding equipment misoperation or damage caused by voltage fluctuations.

2. Flexible redundancy and scalability

The SY-0399095E main control module supports up to 4 SY-0303451D rectifier modules running in parallel, achieving N+1 or N+2 redundant configuration. When a rectifier module fails, the main control module can complete load transfer within 1ms, ensuring uninterrupted output and greatly improving system power supply reliability. The module supports switching between AC 220V and AC 380V input voltages, and the output voltage can be configured between 24V/48V/110V to meet the power supply needs of different industrial equipment, without the need to replace hardware to meet diverse scenarios.

3. Full dimensional monitoring and intelligent management

The SY-0303460E monitoring module has comprehensive parameter monitoring capabilities, which can real-time collect 12 key parameters such as input/output voltage, output current, module temperature, battery status, etc., and display them intuitively on the LCD screen. It also supports local button operation and remote communication configuration. The main control module uploads data to the upper monitoring system through Ethernet or RS485 interface, realizing centralized monitoring of power operation status, supporting remote start stop, parameter modification and fault query, and reducing on-site operation costs for operation and maintenance personnel.

4. Multiple protections and security guarantees

The system is equipped with multiple protection mechanisms such as overcurrent, overvoltage, undervoltage, short circuit, overheating, and battery overcharging/overdischarging, forming a comprehensive safety protection network. When a short circuit fault occurs, the module instantly enters a current limiting protection state to avoid high current burning out the circuit; When the module temperature is too high, it automatically performs a capacity reduction or shutdown operation to prevent device damage; The battery management function can effectively extend the service life of backup batteries and ensure that the system can safely switch to battery power supply in case of sudden power outages.

5. Strong environmental adaptability and high reliability

The module adopts industrial grade components and reinforced structure design. The core components have undergone rigorous environmental tests such as high and low temperature, vibration, and impact, and can operate stably in a wide temperature environment from -10 ° C to+55 ° C. It is suitable for complex scenarios such as high-temperature workshops and cold outdoor environments. The average time between failures (MTBF) of the overall system exceeds 200000 hours, and it supports hot swappable replacement of rectifier modules. The replacement process does not affect the normal power supply of the system, greatly reducing downtime and losses.

Working principle

The FOXBORO SY-0399095E SY-0303451D+SY-0303460E DC power module has the core workflow of "AC input rectification conversion voltage regulation output monitoring and protection", and achieves stable power supply and intelligent management through the collaborative cooperation of three modules. The specific principle is as follows:

1. Communication input and rectification conversion stage

The AC 220V/380V AC power supply is connected to the SY-0303451D rectifier module after passing through the input switch, lightning arrester, and EMC filtering circuit. The rectifier bridge inside the module converts AC power into pulsating DC power, and the power factor is improved to above 0.95 through power factor correction (PFC) circuit, reducing harmonic pollution to the power grid. Subsequently, the high-frequency inverter circuit converts DC power into high-frequency AC power, performs voltage conversion through a high-frequency transformer, and finally converts it into a stable DC voltage through a rectification and filtering circuit, completing the entire process of "AC-DC" conversion.

2. Voltage regulation and redundant control stage

The SY-0399095E main control module real-time collects the output voltage and current signals of the SY-0303451D rectifier module, compares the deviation between the output voltage and the preset value through PID adjustment algorithm, sends voltage regulation instructions to the rectifier module, and controls the PWM (Pulse Width Modulation) circuit inside the module to adjust the output voltage to ensure voltage stabilization accuracy. When using a multi module parallel redundant configuration, the main control module uses current sharing technology to evenly distribute the load of each rectifier module, avoiding single module overload; When a module fails, the main control module immediately cuts off the output of the faulty module and transfers the load to other normal modules to realize uninterrupted power supply.

3. Monitoring and status feedback stage

The SY-0303460E monitoring module collects the operating parameters of each module through a dedicated detection circuit: the voltage sensor monitors the input/output voltage, the current sensor collects the output current, the temperature sensor reads the internal temperature of the module in real time, and the battery detection circuit monitors the voltage and capacity of the backup battery. After digital processing, some of these parameters are displayed locally on the LCD screen, while others are transmitted to the SY-0399095E main control module, which uploads them to the upper system through the communication interface. At the same time, the monitoring module determines whether the parameters are abnormal based on the preset threshold, and immediately sends an alarm signal to the main control module when the alarm condition is triggered.

4. Protection mechanism and fault handling stage

When the monitoring module detects faults such as overcurrent and overvoltage, it immediately sends a fault signal to the main control module, which quickly executes protective actions: triggering current limiting protection when overcurrent occurs, limiting the output current to a safe range; Alarm and switch to redundant power supply when overvoltage/undervoltage occurs; Instantly cut off the output of the faulty module and start the backup module when short circuited; When the temperature exceeds the limit, reduce the capacity first. If the temperature continues to rise, perform a shutdown operation. The fault information is prompted by both local indicator lights and upper level alarm signals, making it easy for operation and maintenance personnel to quickly locate and handle the fault.