Description
The Honeywell 10100/2/1 (also known as part reference CC10900) is a critical Horizontal Bus Driver (HBD) module engineered specifically for Honeywell’s Fail-Safe Control (FSC) safety system architecture. Designed to anchor complex industrial safety instrumented systems, this module acts as an essential communication and signal routing bridge between the central rack’s vertical bus and the individual I/O racks’ horizontal buses. It ensures reliable address control, fault-tolerant link integrity, and high-speed data transmission across safety-critical automation environments.
📊 Product Datasheet & Technical Parameters
| Parameter Name | Technical Specification Value |
| Model Designation | Honeywell 10100/2/1 (CC10900) |
| Manufacturer | Honeywell Process Solutions |
| System Platform | Honeywell Fail-Safe Control (FSC) Architecture |
| Module Category | Horizontal Bus Driver (HBD) Module |
| Cable Compatibility | A1, A21, or A22 flat cable configurations |
| Power Requirements | 5 VDC @ 35 mA (with A1/A21 cable); 5 VDC @ 65 mA (with A22 cable) |
| Ripple Content | < 50 mV peak-to-peak |
| Form Factor / Size | 4 TE x 3 HE (4 HP x 3U standard Eurocard profile) |
| Operating Temperature Range | -20°C to +60°C (-4°F to +140°F) |
| Origin of Manufacture | United States / USA |
⚙️ Product Usage Instructions
🔌 Secure Chassis Installation: Carefully slide and guide the 10100/2/1 module into its designated slot within the FSC I/O rack backplane, ensuring complete mechanical seating and rear connector engagement.
🔗 Flat Cable Interconnection: Connect the appropriate system ribbon cable (A1 for non-redundant configurations, A21 or A22 for single/dual rack redundant layouts) securely to the module’s bus interface headers.
⚡ Power and Link Verification: Check that the central rack supplies a stable 5 VDC input rail and verify that diagnostic indicators show proper handshaking and bus synchronization prior to commissioning.
💻 System Maintenance: Avoid hot-swapping unless explicitly permitted by specific plant safety shutdown procedures, and regularly inspect rack backplane connections for dust or oxidation.
❓ Frequently Asked Questions (Q&A)
❓ Q1: What is the primary function of the Honeywell 10100/2/1 module?
✅ A1: It serves as a Horizontal Bus Driver (HBD) that links the central rack’s vertical bus to the horizontal bus of the FSC I/O racks, facilitating structured signal routing and device addressing.
❓ Q2: Does this module support redundant rack configurations?
✅ A2: Yes, by utilizing compatible flat cable variants such as A21 or A22, the module adapts smoothly to both non-redundant and redundant bus topologies.
❓ Q3: Which control system family uses this specific bus driver?
✅ A3: It is built exclusively for the legacy Honeywell Fail-Safe Control (FSC) safety instrumented system platform.
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