1. Basic Information
- Model: DSTS105
- Part Number: 3BSE007286R1
- Brand: ABB
- Type: Ramp Unit (for P Regulator / Analog Back-up Regulator)
- System Compatibility: ABB Advant Master, Advant OCS, AC 400 Series
- Origin: Sweden
- Warranty: 12 months
- Certifications: CE, RoHS (exempt)
2. Technical Specifications
- Power Supply: 24 V DC
- Input/Output: Analog signal interface (0–10 V / 4–20 mA)
- Ramp Time: Adjustable (0–100 seconds)
- Operating Temperature: -20°C to +70°C
- Dimensions: 193.5 × 135 × 13.5 mm
- Weight: 1.0 kg
- Protection Level: IP20
- Communication: Internal bus interface for ABB DCS backplane
3. Core Functions & Features
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Precise Ramp Control
Generates smooth, linear ramp signals for analog back-up regulators, preventing sudden voltage/current surges and ensuring stable system startup/shutdown.
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Analog Back-up Regulation
Works with the primary regulator to provide backup control; ensures continuous operation and protection if the main controller fails.
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High Anti-Interference & Industrial Grade
Designed for harsh industrial environments (dust, vibration, temperature fluctuation) with strong EMC performance.
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Modular & Hot-Swappable
Standard card format, plug-and-play, easy installation, replacement, and maintenance in DCS cabinets.
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Real-Time Monitoring & Fault Diagnosis
Built-in status monitoring and self-diagnosis functions for quick fault detection and troubleshooting.
4. Typical Applications
- Power Generation: Generator excitation systems, power plant DCS, voltage regulation
- Industrial Automation: DCS/PLC power control, motor speed regulation, thyristor rectifiers
- Oil & Gas, Petrochemical: Process power control, variable speed drives
- Metallurgy, Cement: High-power motor control, furnace power regulation
5. Installation & Interface
- Mounting: Cabinet backplane slot mounting (standard ABB DCS card slot)
- Connection: Gold-plated edge connector for backplane communication
- Wiring: External terminal block for 24V DC power and analog signal input/output
6. Notes
- Compatibility: Strictly for ABB Advant Master/OCS/AC400 systems; no direct replacement
- Condition: New original / refurbished available
- Spare Part: Key component for DCS power control and maintenance
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