Product Specification
Manufacturer | HONEYWELL |
Product No. | FC-IOBUS-HB2A |
Product type | Horizontal IO bus transfer board |
Weight | 0.24kg |
Dimensions | 17.8 cm x 4.6 cm x24.9 cm |
Power Supply Voltage | 24 V DC |
Power Consumption | ≤10 W |
Isolation | 1500 V AC |
Relative Humidity | 5% to 95% RH (non-condensing) |
Storage Temperature | -50°C to +85°C (-58°F to +185°F) |
Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
Product Details And Photos

Description
The Honeywell FC-IOBUS-HB2A is an essential Horizontal I/O Bus Transfer Board designed for Honeywell's advanced distributed control systems (DCS), such as the Experion PKS platform. This module plays a critical role in the I/O architecture by providing the high-speed and reliable communication backbone within the I/O racks.
This module is engineered for high performance and reliability in demanding industrial environments. It typically operates on a 24 V DC power supply and features robust electrical isolation (e.g., 1500 V AC) to protect the sensitive control circuitry from electrical noise, surges, and ground potential differences common in industrial plants. The horizontal design implies it is mounted flat within the I/O chassis, providing the necessary connections for multiple I/O modules to plug in and communicate over the shared bus.

Key Feature
High-Speed I/O Bus Communication: The primary feature of the FC-IOBUS-HB2A is its ability to facilitate high-speed data transmission across the I/O bus within the control system's racks.
Dedicated for Honeywell DCS Platforms: This interface board is specifically designed for seamless integration with Honeywell's Distributed Control Systems, often found in Experion PKS environments.
Enables I/O Expansion and Scalability: As a bus transfer board, it provides the fundamental infrastructure for connecting multiple I/O modules within a rack.
Enhances System Redundancy (in applicable architectures): In many Honeywell DCS architectures, the I/O bus system supports redundant communication paths.
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FC-IOBUS-HB2A FC-IOBUS-HB2A | FC-IOBUS-HB2A FC-IOBUS-HB2A | FC-IOBUS-HB2A FC-IOBUS-HB2A |
HONEYWELL FC-IOBUS-HB2A | HONEYWELL FC-IOBUS-HB2A | FC-IOBUS-HB2A |
HONEYWELL FC-IOBUS-HB2A | HONEYWELL FC-IOBUS-HB2A | HONEYWELL FC-IOBUS-HB2A |
HONEYWELL Horizontal IO bus transfer board | HONEYWELL Horizontal IO bus transfer board | HONEYWELL Horizontal IO bus transfer board |
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