Product Overview

The Honeywell 10100/2/1CC10900 is a high-reliability Horizontal Bus Driver (HBD) module specifically engineered for the Fail Safe Control (FSC) system architecture. This critical communication component acts as the primary data gateway between the Central Part (CPU) and the individual I/O racks. By bridging the vertical bus from the central controller to the horizontal bus of the I/O modules, the 10100/2/1CC10900 ensures deterministic and high-speed data exchange essential for safety-instrumented functions.

Its sophisticated design allows for seamless integration into complex safety loops, providing the backbone for signal transparency across the control hierarchy. Whether used in standard or high-availability configurations, this module maintains the integrity of the communication link, which is vital for preventing system-wide failures in hazardous industrial environments.

Technical Specifications and Hardware Parameters

The 10100/2/1CC10900 is characterized by its extremely low power footprint and flexible cabling options to support various system redundancies.

• Module Type: Horizontal Bus Driver (HBD)

• Supply Voltage: 5 VDC

• Current Consumption: Efficient 35 mA to 65 mA (dependent on cable load)

• Interface Connectivity: Front-facing connector for Horizontal Bus; Rear connector for Vertical Bus

• Cabling Compatibility:

• Type A1: For standard, non-redundant I/O rack configurations

• Type A21/A22: For high-availability, redundant I/O rack configurations

• Form Factor: Compact 4TE/3HE (standard Eurocard dimensions)

• Reliability Features: Supports hot-swapping for maintenance (safety protocols must be followed during live removal)

• Operating Weight: 0.11 kg (Net) / 0.4 kg (Shipping)

• Dimensions: 7 x 14 x 14.5 cm

• Origin: USA

Industrial Applications and Operational Use Cases

This Horizontal Bus Driver is an indispensable component in facilities where the Fail Safe Control system protects high-value assets and human life:

• Emergency Shutdown Systems (ESD): Ensuring that critical sensors and final control elements remain in constant communication with the central logic solver during emergency events.

• Fire and Gas (F&G) Detection: Managing the data flow from distributed flame and gas detectors back to the central safety station across multiple I/O racks.

• Burner Management Systems (BMS): Providing the reliable bus communication required to monitor and control industrial boiler and furnace ignition sequences.

• Petrochemical and Refining: Serving as the communication backbone for safety-critical loops in volatile process areas where redundancy (using A21/A22 cables) is mandatory.