KSD211B 3BHE022455R1101 High performance input coupling unit
The ABB KSD211B 3BHE022455R1101 is a high-performance input coupling unit designed for critical signal conditioning in distributed control systems (DCS). As part of ABB’s AC 800M I/O series, this module provides galvanic isolation and signal conversion for 4-20mA field instruments in hazardous areas. The KSD211B 3BHE022455R1101 enables seamless integration of analog sensors with ABB’s 800xA control platform while maintaining ATEX Zone 1 compliance through intrinsic safety barriers.
Engineered for mission-critical applications, this unit features 16-channel differential input capability with 0.01% FS accuracy across its full operating temperature range. The ABB KSD211B 3BHE022455R1101 supports HART 7.3 protocol pass-through, allowing simultaneous digital communication without interrupting analog signal transmission. Its patented surge protection technology withstands 6kV/3kA transient voltages, making it ideal for oil & gas installations prone to lightning strikes.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | KSD211B 3BHE022455R1101 |
| Manufacturer | ABB |
| Product Type | Input Coupling Unit |
| Input Range | 4-20mA (16 channels) |
| Isolation Voltage | 2500V AC channel-to-channel |
| Accuracy | ±0.01% of span @ 25°C |
| HART Compliance | HART 7.3 with FSK modulation |
| Response Time | 50ms per channel (typical) |
| Hazardous Area Certification | ATEX II 2G Ex ia IIC T4 Gb |
| Operating Temperature | -40°C to +70°C |
| Power Consumption | 3.5W @ 24V DC |
| Dimensions | 175 x 125 x 45 mm |
| MTBF | 850,000 hours |
Key Features and Advantages:
The ABB KSD211B 3BHE022455R1101 revolutionizes signal conditioning with its dual-redundant signal paths, ensuring continuous operation even during component failures. Its Auto-Zero calibration technology eliminates drift errors caused by temperature fluctuations, maintaining measurement accuracy within ±0.005%/°C over 10 years of service.
Cybersecurity hardened design: Embedded hardware firewalls prevent unauthorized access to HART device parameters while maintaining IEC 62443-3-3 compliance. The module’s hot-swappable design allows replacement without system shutdown, reducing maintenance downtime by 70% compared to traditional units.
For complex installations, the KSD211B 3BHE022455R1101 features automatic lead resistance compensation (up to 100Ω) and built-in loop diagnostics. Its gold-plated spring terminals ensure vibration-resistant connections in mobile equipment applications.
Application Areas:
The ABB KSD211B 3BHE022455R1101 excels in:
- Offshore platforms: Intrinsic safety for pressure transmitters in Class I Division 1 areas
- Chemical plants: Corrosion-resistant signal conditioning for pH/ORP sensors
- Power generation: High-density temperature input processing for turbine monitoring
- Water treatment: Galvanic isolation for flow meters in cathodic protection zones
In LNG terminals, the KSD211B 3BHE022455R1101 enables simultaneous HART communication with cryogenic temperature sensors while maintaining SIL 2 safety integrity levels. Its -40°C cold start capability ensures reliable operation in Arctic pipeline monitoring stations.
PPD517A丨PPD517A3011 3BHE041576R3011 Excitation central executive controller
PM511V16 3BSE011181R1 Processor Module Central Unit
PFSK162 3BSE015088R1 Input/output relay module
UNITROL1020-0007 FULL+PSS 3BHE030579R0007 Excitation voltage regulator
PPD113B01-10-150000 3BHE023784R1023 Controller equipment
There are no reviews yet.