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Product Description

ABB SDCS-UCM-1C:This drive system’s”brain”serves as the”command center”for the DCS800 inverter!Designed specifically for industrial drives,it integrates a high-performance processor and supports DTC(Direct Torque Control)technology,enabling precise and rapid motor response.While it doesn’t drive the motor,it provides control commands to the rectifier and inverter units.Genuine quality,advanced algorithms,rich communication capabilities,and comprehensive diagnostics.Direct from stock,we ship quickly and ensure continuous drive replacement.

Control Technology:DTC(Direct Torque Control)

Communication Interface:CAN,RS485

I/O Channels:8DI/4DO/2AI/2AO

Operating Temperature:-25°C to+60°C

Technical Specifications

Product Model:SDCS-UCM-1C

Manufacturer:ABB

Product Type:Universal Control Module(Main Control Board)

Order Number:3HAC12599-1

System:ABB DCS800 Series DC Drive System

Compatible Units:Rectifier Unit,Inverter Unit,AFE Unit

Mounting Method:Inserted into the DCS800 drive cabinet backplane(DIN-rail mounting)

Processor:32-bit high-performance DSP+MCU

Control Technology:DTC(Direct Torque Control)

Control Cycle:25μs

Speed​​Control Range:1:200(with encoder)

Speed​​Accuracy:±0.1%(with encoder)

Torque Response Time:<1 ms

Built-in Functions:

PID Regulator

Logic Control(Programmable)

Multi-Motor Control(Master-Slave)

Brake Control

Energy Optimization

Communication Interfaces:

1 x CANopen(Device)

1 x RS485(Modbus RTU)

1 x Optically Isolated Digital I/O Expansion Bus

I/O Channels:

Digital Input(DI):8 channels,24VDC

Digital Output(DO):4 channels,relay

Analog Input(AI):2 channels,±10V/0-20mA

Analog Output(AO):2 channels,±10V/0-20mA

Encoder Interface:Supports HTL/TTL incremental encoders(optional)

Status Indicators:

RUN(green):Normal operation

RDY(green):Ready

ALM(yellow):Warning

FLT(red):Fault

COM(yellow):Communication activity

Hot Swapping:Supported(requires system configuration)

Power Supply:Powered by the backplane 24VDC

Power Consumption:Maximum 5 W

Protection Rating:IP20

Mounting Method:DIN Rail Mount(Insert into DCS800 Frame)

Operating Temperature:-25°C to+60°C

Storage Temperature:-40°C to+85°C

MTBF:>100,000 hours

Product Overview

As anyone who’s worked in industrial drives knows,the key to an inverter’s effectiveness lies in its”brain”—and today,the ABB SDCS-UCM-1C(3HAC12599-1)is the”CPU”of the DCS800 DC drive system:the Universal Control Module.

The incredibly reliable motor control systems you see in rolling mill main drives,mine hoists,and paper machine winders are all orchestrated by the SDCS-UCM-1C.While it doesn’t directly generate power,it generates precise PWM pulses for the power unit(rectifier/inverter)to control motor speed and torque.

What’s so great about this device?First,advanced DTC control technology.It eliminates the need for complex vector transformations and directly estimates motor flux and torque,achieving millisecond-level torque response.This makes it particularly suitable for applications requiring fast dynamic response(such as tension control).

Second,powerful integration capabilities.A single board integrates the CPU,I/O,communication,and PID controller,eliminating the need for additional expansion modules,saving space and cost.Third,a wide range of communication options.Support for CANopen(a mainstream industrial network)and Modbus RTU(a universal protocol)allows for easy integration with PLC and HMI systems.

Fourth,flexible I/O configuration.Eight DI channels can connect to buttons and limit switches;four relay DO channels can control contactors and alarm lights;and two AI channels can connect to potentiometers and sensors for local control.Fifth,easy maintenance.Hot-swappable modules allow for direct replacement of faulty modules without disconnecting wiring.The multi-color LED on the front panel allows for at-a-glance identification of operating,fault,and communication status.

Most importantly,it seamlessly integrates with DriveWindow and DriveComposer software.You can monitor parameters,adjust PID parameters,and record fault waveforms on a PC,enabling remote diagnosis.

Key Features and Advantages

First,let’s talk about high-performance control.DTC technology provides excellent dynamic response and torque accuracy,ensuring stable motor operation even under sudden load changes.

Next,let’s talk about high integration.Control,I/O,and communication are integrated into one unit,simplifying system design and reducing the risk of wiring errors.

Finally,diagnostics are convenient.Once the FLT indicator turns red,DriveWindow software allows you to view fault codes,historical records,and real-time waveforms to quickly locate the problem.

Finally,let’s talk about easy maintenance.The hot-swappable design makes replacing the main control board as easy as swapping a USB flash drive,significantly reducing downtime.

The ABB SDCS-UCM-1C(3HAC12599-1)is a universal control module designed for the ABB DCS800 series of DC drive systems.Serving as the main CPU board,it features advanced Direct Torque Control(DTC)technology for precise and fast motor control,with torque response times under 1 ms.Equipped with integrated I/O(8DI/4DO/2AI/2AO),CANopen and Modbus RTU communication,and PID functionality,the SDCS-UCM-1C provides a complete control solution for demanding industrial applications such as rolling mills,hoists,and paper machines.Its hot-swap capability,comprehensive diagnostics,and DIN-rail mounting ensure high system availability and ease of maintenance in harsh industrial environments.

Application Areas

Where is this module used?It is ideal for critical drive applications using ABB DCS800 DC drives.In steel mill rolling mill systems,it controls the precise speed and tension of the main rolling mill,flying shears,and coilers;in mine hoists,it ensures smooth and safe lifting of heavy loads;and in paper mills,it manages the synchronized operation of rollers.

In ship propulsion systems,it provides precise speed regulation for DC motors;in large test benches,it implements motor loading and dynamometer control;and in rail transit test equipment,it simulates train traction characteristics.

Although unobtrusive,it safeguards the system’s”power core”every time the motor starts and stops.

Selection Guide/Purchasing Recommendations

If you’re considering the ABB SDCS-UCM-1C,you need to clarify a few things.First,is your system a DCS800 series drive?Other ABB drives(such as the ACS800 and ACS880)use different control boards.Second,confirm your functional requirements.Is encoder feedback required?If so,an encoder interface board(such as the SDCS-ENC-1)is required.

Third,check whether the I/O is sufficient.8DI/4DO/2AI/2AO basically meets most applications.If more is needed,expand the I/O module.Fourth,consider the communication protocol.Does the on-site PLC support CANopen or Modbus?Ensure they match.Fifth,it’s recommended to stock spare parts.For critical production lines,it’s recommended to have one PLC ready to go to prevent a”brain”failure from causing a complete shutdown.

Finally,a reminder:Don’t use a general-purpose PLC as a replacement!The SDCS-UCM-1C has a built-in dedicated DTC algorithm,with response speeds far exceeding general-purpose PLCs.It’s also deeply integrated with the power unit and is irreplaceable.

Frequently Asked Questions(FAQs)

Q:Does the SDCS-UCM-1C support Ethernet?

A:Not directly.Ethernet functionality can be expanded using an optional communication adapter(such as the SDCS-ETHxx).

Q:How do I update the firmware?

A:Firmware upgrades can be performed using DriveWindow software or a CF card(an adapter is required).

Q:Why does the FLT light turn red?

A:It indicates a critical fault(such as overcurrent,overvoltage,or overtemperature).Fault codes(such as DC OVERVOLTAGE)must be read using DriveWindow.

Q:Does it support multi-motor control?

A:Yes.Using master-slave control mode,one SDCS-UCM-1C can control multiple motors synchronously.

Q:What is the difference between the SDCS-UCM-1C and SDCS-ICx boards?

A:The SDCS-UCM-1C is the master CPU board;the SDCS-ICx is an I/O or communication expansion board.They have different functions and must be used together.

Related Products

ABB DCS800:DC drive system,with the SDCS-UCM-1C as its core control board.

ABB DriveWindow:Commissioning software for parameter setting and fault diagnosis.

ABB DriveComposer:Advanced configuration software for complex logic programming.

SDCS-ENC-1:Encoder interface board,providing HTL/TTL encoder input.

SDCS-IOx:Digital I/O expansion board,increasing the number of DI/DO devices.SDCS-CANx:CAN bus expansion board,enhances communication capabilities.

CF card adapter:For firmware upgrades and parameter backups.

Pre-installation Preparation:

Before installing the ABB SDCS-UCM-1C,always power off(non-redundant system).Check that the DCS800 cabinet backplane is intact and the rails are secure.Verify the correct model(3HAC12599-1).Prepare an anti-static wrist strap and special tools.Handle with care to avoid scratching the metal fingers.

Maintenance Recommendations:

Check the front panel LEDs regularly:the RUN light should be solid green,and the FLT light should be off red.Clean dust at least once a year.If malfunctions occur frequently,check the heat dissipation,power supply,and wiring.Preventive replacement(capacitor aging)is recommended every eight years.If a module fails,simply replace it with a new one—the internal circuitry is complex,repair costs are high,and performance cannot be guaranteed.

Product Guarantee

Every ABB SDCS-UCM-1C 3HAC12599-1 sold by Shenzhen Changxin is genuine and comes from legitimate sources,eliminating any refurbished or disassembled parts.We understand the critical role of this control module in the drive system—though unobtrusive,it serves as the”decision-making center”of the entire drive train.Therefore,we offer an 18-month warranty,fast nationwide shipping,and a dedicated technical team to ensure peace of mind during replacement and reliable operation.Choose Shenzhen Changxin and ensure precise and reliable motor control every time.

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