ABB HBS01-EPD SD Series Horizontal Mounting Base

Key Features & Functions

• Universal I/O Module Interface: Provides a standardized mounting platform compatible with a wide range of ABB SD series analog and digital I/O modules, enabling flexible configuration of control system I/O .

• External Field Power Support: Specifically designed to accommodate field signals that are externally powered, making it ideal for applications where sensors or actuators have independent power supplies or require differential input wiring .

• High-Density Signal Termination: Features two 16-point headers that provide connections for up to sixteen (16) analog or digital process signals within a single horizontal row, maximizing cabinet space efficiency .

• Flexible Field Wiring Options: Supports direct field wire termination via two pluggable 16-point terminal blocks, or alternatively accepts SPKOxx-yy marshaling cables when field signals are landed on third-party termination hardware .

• Full Module Compatibility: Maintains 100% compatibility across all SD I/O module types and base variants (singular, redundant, compact, or full-size), allowing mixed module types to be mounted within a single, common HN800 I/O bus without compatibility restrictions .

• Mechanical Keying Capability: Includes optional mechanical keying features that can be implemented to prevent insertion of incorrect I/O module types, protecting against configuration errors during maintenance .

• Secure DIN Rail Mounting: Equipped with an integrated latching device that positively locks the base into position on standard 35-mm DIN rails, ensuring mechanical stability in vibration-prone industrial environments .

Technical Specifications

• Product Type: SD Series Horizontal Mounting Base / I/O Termination Base (MTU) .

• Mounting Orientation: Horizontal row mounting .

• Mounting Standard: Industry standard 35-mm DIN rail (EN 50022) .

• Signal Termination:

  • Headers: Two (2) 16-point headers .

  • Field Connections: Accommodates two pluggable 16-point terminal blocks for direct wiring OR SPKOxx-yy marshaling cables .

• Signal Capacity: Supports up to sixteen (16) analog or digital I/O process signals per base .

• Field Power Configuration: Designed for externally powered field devices or differential input signals .

• Connector Type: Requires 2×16-pin 5mm pitch pluggable connectors .

• Compatible I/O Modules :

  • Analog Input Modules: AI01, AI02, AI05, AD11 .

  • Analog Output Modules: AO01, AO02, AO05 .

  • Digital Input Modules: DI01, DI02, DI03, DI04, DI05 .

  • Digital Output Modules: DO01, DO02 .

  • Pulse Input Modules: PI01 .

• System Integration: Fully compatible with HN800 I/O bus, supports mixing of singular, redundant, compact, and full-size I/O modules within the same bus .

• Physical Characteristics:

  • Design: Compact horizontal form factor for efficient cabinet layout .

  • Locking Mechanism: Integrated latching device for positive DIN rail retention .

• Environmental: Designed for industrial control cabinet installation .

Application Scenarios

• Distributed Control System (DCS) I/O Racks: Serves as the primary mounting infrastructure for analog and digital I/O modules in ABB Symphony Plus control systems, organizing process signal termination in centralized or remote I/O cabinets .

• Process Control Installations: Used extensively in chemical, petrochemical, and refining applications to terminate field signals from pressure transmitters, temperature sensors, flow meters, and control valve positioners where external loop power is provided by separate supplies .

• Differential Signal Applications: Deployed in environments requiring high noise immunity where field devices transmit differential signals, leveraging the base’s support for externally powered differential inputs to maintain signal integrity over longer distances .

• Power Generation Facilities: Installed in thermal and combined-cycle power plants to interface with field devices in turbine control, boiler management, and balance-of-plant systems where reliable signal termination is critical for safe operation .

• Water and Wastewater Treatment: Utilized in municipal and industrial water facilities to terminate signals from distributed pumps, flow elements, and water quality analyzers, providing organized and maintainable field wiring termination .

• Hybrid I/O Configurations: Enables mixed installations where standard digital inputs (DI01, DI03) coexist with analog output modules (AO01, AO02) on the same I/O bus, supporting complex control strategies requiring diverse signal types within a single cabinet row .

• System Retrofits and Upgrades: Applied in legacy system modernization projects where existing field wiring is retained but migrated to new SD series I/O modules, with the HBS01-EPD providing the mechanical and electrical interface for the transition .