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 > GE > GE DS2020DACAG2 AC/DC Power Conversion Module

GE DS2020DACAG2 AC/DC Power Conversion Module

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Product Description

GE DS2020DACAG2 AC/DC Power Conversion Module

GE DS2020DACAG2 is an AC/DC power conversion module specially designed for industrial control systems. It is mainly used to convert alternating current (AC) power into stable direct current (DC) power, providing reliable power supply for various modules inside the control system (such as processors, signal conditioning modules, communication modules, etc.). Its design focuses on high reliability, stability, and safety in industrial environments, and it is particularly common in GE's large-scale industrial control platforms (such as the Speedtronic series, which is often used in gas turbine and steam turbine control). The following is an introduction from the aspects of core functions, working principles, characteristics, and application scenarios:

I. Core Positioning and Functions
As an AC/DC power conversion module, DS2020DACAG2 is one of the "energy hubs" of the industrial control system, with core functions including:

Converting externally input AC power (such as 220V AC or 110V AC, specific parameters need to refer to the model) into DC power required by internal modules of the system (such as standard industrial DC voltages like 24V DC, 5V DC, etc.).
Providing stable and interference-free DC power supply for sensitive electronic components in the control system (such as processor chips, sensor interface circuits, communication chips, etc.) to ensure the normal operation of the modules.
Equipped with power protection functions to prevent damage to backend modules caused by abnormal conditions such as input voltage fluctuations, overloads, and short circuits.

II. Working Principle
AC Input and Rectification
It receives external industrial AC power (usually single-phase or three-phase AC power) and converts the alternating current into pulsating direct current through an internal rectifier circuit (such as a bridge rectifier).

Filtering and Voltage Regulation
The pulsating direct current passes through a capacitor filter circuit to remove ripples, and then the voltage is stabilized at the set DC output value (such as 24V DC) through a voltage stabilizing circuit (such as a switching power supply chip, linear regulator), ensuring the accuracy and stability of the output voltage (usually with an error range within ±2%).

Power Protection Mechanism

Overvoltage/undervoltage protection: When the input AC voltage exceeds the normal range (such as too high or too low), the module automatically cuts off the output or enters a protection state to avoid damage to backend equipment due to abnormal voltage.
Overload/short circuit protection: If the power consumption of the backend module is too large (overload) or a short circuit occurs, the module protects the circuit by means of current limiting, fusing, or automatic shutdown, and can automatically recover or be manually reset after the fault is eliminated.
Electromagnetic Compatibility (EMC) design: Built-in filter circuits and shielding structures reduce electromagnetic interference (EMI) generated during power conversion, and at the same time resist electromagnetic noise from the external environment (such as interference from motors and high-voltage equipment).

III. Functional Characteristics
Industrial-grade Reliability Design

Wide temperature operating range: Usually supports -40℃~70℃, adapting to environments with high temperature, low temperature, or drastic temperature changes such as power plants and industrial workshops.
Vibration and shock resistance: Complies with industrial standards (such as IEC 60068), and can withstand vibration and shock during the operation of large machinery (such as steam turbines and compressors).

Efficient Conversion and Low Power Consumption
Adopting switching power supply technology (instead of linear power supply), the conversion efficiency is usually above 80%~90%, reducing energy loss and self-heating of the module, suitable for long-term continuous operation.

High Output Stability
Even if the input AC voltage fluctuates (such as within ±10%), the output DC voltage can remain stable, ensuring that the measurement accuracy and control logic of backend modules (such as signal conditioning modules and processors) are not affected by power fluctuations.

Compatibility and Integration
Specially designed for GE industrial control systems (such as Speedtronic Mark VI, Mark VIe, etc.), it can be directly installed on the system backplane or rack, and is compatible with other modules (such as DS3820 series signal modules, processor modules), simplifying system wiring and integration.

Status Monitoring and Indication
Some models may have built-in power indicators (such as LEDs) to intuitively display whether the module is working normally (such as "power normal" and "fault alarm" status), facilitating on-site maintenance personnel to quickly troubleshoot power problems.

IV. Application Scenarios
DS2020DACAG2 is mainly used in industrial control fields with high requirements for power supply reliability. Typical scenarios include:

Power industry: Control systems of gas turbines, steam turbines, and generators (such as Speedtronic platforms), supplying power to modules such as speed control, valve regulation, and vibration monitoring.
Energy and chemical industry: Control systems of large compressors, pumps, and other equipment, ensuring power supply stability in high-temperature and high-pressure environments.
Heavy industry: Control of large rotating machinery in industries such as metallurgy and papermaking, adapting to harsh environments such as dust and vibration.

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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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

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GE DS2020DACAG2 AC/DC Power Conversion Module

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