1. Basic Information
- Model: DSRF197K01
- Brand: ABB (Hitachi Energy)
- Type: I/O Subrack / Chassis
- Order No.: 3BSE019999R1
- Weight: Approx. 0.85 kg

2.Key Specifications
- Structure: Single 5V Regulator
- Slot / Mounting: Standard 19-inch rack mounting, compatible with ABB series I/O modules
- Power Supply: Backplane-powered, provides stable 5V DC output
- Environment: Industrial-grade design, operating temperature -20°C ~ +60°C
- Protection: IP20 (dust protection, finger protection)
- Certifications: CE / UL / RoHS compliant

3. Main Functions
Module Installation Carrier
- Provides standard mounting positions for I/O modules in ABB control systems
- Supports hot-swapping and modular expansion for easy maintenance and upgrade
Stable Power Supply
- Built-in 5V regulated power supply provides clean, stable DC power for all slot modules
- Features over-current, over-voltage, and short-circuit protection to ensure system safety
System Expansion
- Compatible with ABB systems including AC 800M, S800 I/O, DCS
- Can be combined with other racks and modules in the DSRF197 series to build a complete control station
4. Typical Applications
- Process Industry: Chemical, power, metallurgy, water treatment, papermaking
- System Type: ABB AC 800M DCS, S800 I/O, PLC control systems
- Usage: Centralized installation of I/O modules, system expansion, control cabinet integration
5. Summary
DSRF197K01 is a standard I/O subrack for ABB control systems. Its core functions include module installation, stable 5V power supply, and system expansion. Featuring a compact structure and high reliability, it serves as the basic mounting unit for AC 800M / S800 I/O systems and is widely used in industrial automation projects.

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