SDCS-POW-1 10012279 ABB Dc drive system power board DCS800 DC speed regulator

SDCS-POW-1 10012279 ABB Dc drive system power board DCS800 DC speed regulator

Product Overview

ABB SDCS-POW-1 is the core control Power Supply Board in the DCS800 series all-digital DC speed regulator, responsible for providing stable and isolated low-voltage DC power for the internal control circuits of the driver (such as CPU, I/O, gate drive, etc.).

This module is specially designed for the DCS800-S0x and DCS800-SIx series converters to ensure the stable operation of the control system under conditions of grid fluctuations or sudden load changes. As the power supply unit of the "heart" of the driver, SDCS-POW-1 plays a decisive role in the startup, protection and long-term reliability of the system.

Core features

Input voltage range
From the intermediate DC circuit of the driver (typical value: ±400 V DC)
Multi-channel regulated output
+ 15V / -15V (for analog circuits and sensor power supply)
+ 24V (for digital I/O, relays)
+ 5V (for microprocessors and logic circuits)
High electrical isolation: The isolation voltage between input and output is ≥ 2.5 kV AC
Overload and short circuit protection: Built-in self-recovery protection mechanism to prevent damage caused by external faults
Status monitoring: The power health status is fed back through LED indicator lights or backplane signals
Plug and play design: Standard European-style plug-in structure, facilitating on-site replacement and maintenance

Technical parameters

The main drive system of the steel rolling mill: provides a stable control power supply for the speed regulator of the high-power DC motor
Mine hoist: Ensure continuous power supply to safety-critical control circuits
Papermaking machinery: Ensure the stability of driver logic in high-speed and high-precision tension control
Ship propulsion system: Reliable operation adapted to harsh electromagnetic environments
Equipment maintenance and spare parts replacement: As a preventive reserve for common faulty parts of the DCS800 system

Installation and Usage instructions
Power-off operation: Before replacement, the main power supply and the DC bus capacitor must be cut off and discharged (wait for ≥10 minutes).
Anti-static measures: Operators must wear ESD wristbands to prevent static electricity from damaging sensitive components.
Plugging and unplugging steps
Loosen the screws that fix the front panel;
Pull out the old module;
Align the guide rail with the backplane connector and smoothly insert the new module.
Tighten the fixing screws.
Power-on verification: Observe the status of the drive panel and confirm that there is no "POWER FAULT" or similar alarm.

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