Description
The Honeywell 10300/1/1 is a high-reliability DC/DC converter module engineered specifically for Honeywell’s Fail-Safe Controller (FSC) safety instrumented system architecture. Its primary function is to step down and regulate the plant’s standard 24 V DC supply (typically supported by battery backup) into a precise, internally isolated 5 V DC power rail required to run the FSC safety processor and I/O modules. Featuring built-in galvanic isolation, overvoltage protection, and thermal current-limiting safeguards, it ensures continuous, stable power delivery in critical emergency shutdown (ESD) and safety-instrumented environments.
📊 Product Parameters & Datasheet
- 🏷️ Model & Part Number: 10300/1/1 (FSC Power Converter Module)
- 🏭 Manufacturer: Honeywell (Fail-Safe Control System Platform)
- 💻 System Architecture: Honeywell FSC Safety Controller System
- ⚡ Nominal Input Voltage: 24 V DC (acceptable range: -15\% to +30\%)
- 🔌 Input Current Requirements: < 3.9 A at nominal 24 V DC
- 🔋 Output Voltage: 5 V DC with integrated overvoltage protection (set at 5.00 V DC across system bus)
- ⚡ Output Current Capacity:
- 12 A at 0^{\circ}C to 45^{\circ}C (32^{\circ}F to 113^{\circ}F)
- 8 A at 0^{\circ}C to 60^{\circ}C (32^{\circ}F to 140^{\circ}F)
- 🛡️ Galvanic Isolation: Complete galvanic isolation between the primary 24 V DC source and internal 5 V DC power logic rails
- ⚙️ Efficiency: \ge 70\%
- 🛡️ Protection & Limitations: Integrated NTC resistor inrush current limiter (< 18 A max inrush) and overvoltage protection set at 5.75 V DC
- 📉 Output Ripple Content: < 40 mV p-p at full load
- 📏 Form Factor / Space Requirements: 8 TE, 3 HE (8 HP, 3U standard Eurocard format)
- 🌍 Country of Origin: United States / Netherlands
- 🌡️ Operating Temperature Range: 0^{\circ}C to +60^{\circ}C (+32^{\circ}F to +140^{\circ}F) industrial safety standard
📘 Product Instructions
- Isolation: Ensure that all primary rack power feeds and external plant 24 V DC battery-backed lines connected to the target FSC chassis slot are completely switched off, locked out, and tagged before handling module insertion or extraction.
- Mounting & Positioning: Carefully align and slide the 10300/1/1 converter module into its designated slot within the FSC rack. Note: Because the limits on the 5 V DC power bus are extremely strict (\pm 5\%), this module must be installed directly adjacent or close to the central system bus (e.g., 12-SBUS) to minimize line voltage drops.
- Wiring & Sense Lines: Connect the wiring using proper short wire diameters and correctly hook up the sense wires (
+ senseon pin d6,- senseon pin d10) to compensate for trace/wiring drops. - Cooldown Precaution: Crucial Step: Keep 10300/1/1 modules offline for at least 30 seconds after powering down or extracting them. The module uses an NTC resistor for inrush current limiting; hot-swapping or repowering it within 30 seconds prevents the NTC element from cooling down sufficiently, which can trigger a supply voltage dip and cause a system trip.
- Initialization: Restore power to the rack, verify that the output voltage reads steady at 5.00 V DC, and check front-panel diagnostic indicators to confirm healthy power rail conversion.
❓ Frequently Asked Questions (Q&A)
Q: What is the primary function of the Honeywell 10300/1/1 module?
A: It functions as a specialized DC/DC power converter that transforms the plant’s 24 V DC supply into a regulated, galvanically isolated 5 V DC power rail required by the Honeywell FSC safety system modules.
Q: Why must operators wait 30 seconds before reinserting or repowering the module?
A: The module relies on an NTC resistor to limit inrush currents. If repowered too quickly (under 30 seconds), the resistor cannot cool down, leading to an unexpected voltage dip that can inadvertently trip the safety controller system.
Q: Why is module placement relative to the system bus important?
A: The allowable voltage tolerance on the internal 5 V DC power bus is very tight (\pm 5\%). Installing the converter module close to the system bus and using correct sense wiring minimizes resistance drops.
Q: Does this converter module support redundant system power architectures?
A: Yes, it is widely used in redundant FSC power layouts, though certain older suffix configurations may show active LEDs if energized by a paired redundant unit even when switched off.
🔥 Recommended Alternative Honeywell Safety & Controller Series
- Honeywell FSC Safety Manager Power Supply and Controller Cards
- Honeywell Experion Safety Manager (SM) Controller Power Modules
- Honeywell ControlEdge HC900 Safety Controller Power Supplies
- Honeywell 10012/1/2 CPU Flash Memory Module
- Triconex Safety Instrumented System Power Distribution Units
- HIMA Safety-Related Processor and Power Supply Racks
- ABB System 800xA High-Integrity Power Enclosures
- Emerson DeltaV Safety Instrumented System (SIS) Power Supplies
