Product Overview
The ABB KSD211B (also known as KSD211B101 or 3BHE022455R1101) Input Coupling Unit (ICU) is a compact interface module designed primarily for ABB’s UNITROL 6000 static excitation systems. It enables reliable signal coupling and interface management between field devices and the control system within industrial power or excitation setups.
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Main Features
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Serves as a signal coupling interface for excitation systems in power generation applications.
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Compact and rugged design suitable for integration within cabinets and control racks.
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Provides galvanic isolation across channels for enhanced noise immunity and operational safety.
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Engineered specifically for ABB AC 800M environment within the UNITROL excitation platform.
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Technical Specifications
Dimensions & Weight
| Item | Specification |
|---|---|
| Dimensions | Depth: 120 mm; Height: 165 mm; Width: 50 mm |
| Weight | 0.5 kg |
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General Information
| Item | Specification |
|---|---|
| Manufacturer | ABB |
| Model Numbers | KSD211B / KSD211B101 / 3BHE022455R1101 |
| Product Type | Input Coupling Unit (ICU) |
| System Platform | UNITROL 6000 Static Excitation Systems |
| Country of Origin | Switzerland (CH) |
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Coupling Characteristics (typical)
| Item | Specification / Remarks |
|---|---|
| Coupling Degree | Coupling value in dB (e.g., –10 dB typical) |
| Insertion Loss | Around –0.5 to –0.7 dB (depending on version) |
| Galvanic Isolation | Ensures separation between signal channels and logic electronics |
NOTE: While exact values may vary, these coupling and insertion loss ranges represent typical performance in similar ABB coupling units.
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Industry Applications
This Input Coupling Unit is primarily used in:
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Power generation systems for exciter control in turbines and generators.
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Static excitation systems (UNITROL 6000 family) within DCS control environments.
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Any industrial environments requiring robust signal coupling with high electrical isolation in excitation or converter control configurations.
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Summary
The ABB KSD211B (3BHE022455R1101) is a purpose-built Input Coupling Unit tailored for excitation control within ABB’s UNITROL 6000 series. With compact dimensions, solid weight, and reliable coupling performance, it offers an essential interface for excitation signal management in demanding power automation applications. Let me know if you’d like complementary sections such as electrical diagrams, installation guidelines, or environmental specifications added!
