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- Honeywell
- FSC 10302/1/1
- Watchdog Repeater Module
- USA
- 127 (H) × 25 (W) × 203 (D) mm
- 0.2kg
- Xiamen, China
- New & In Stock
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🔧 Product Overview – Honeywell FSC 10302/1/1
Product Name: FSC 10302/1/1
Brand: Honeywell
Series: FSC (Fail Safe Controller)
Product Type: Watchdog Repeater Module (WDR)
The Honeywell FSC 10302/1/1 is a Watchdog Repeater Module used in Honeywell’s Fail Safe Controller (FSC) system. Its primary role is to monitor the health of power supply lines (5 VDC and 24 VDC) and generate watchdog signals for connected I/O modules. These signals help ensure the integrity of communication and system responsiveness in safety-critical control systems.
In environments where multiple I/O modules are spread across racks and supplied by different power lines, this module is essential to detect power anomalies and prevent silent failures. It ensures that the connected I/O modules shut down safely in the event of voltage issues.
📐 Technical Specifications – FSC 10302/1/1
| Parameter | Value / Description |
|---|---|
| Model | FSC 10302/1/1 |
| Product Type | Watchdog Repeater Module |
| Function | Monitors 5V and 24V supply rails; outputs watchdog signal |
| System | FSC (Fail Safe Controller) |
| Supply Voltage Monitored | 5 VDC and 24 VDC |
| Watchdog Output | TTL-compatible signal to downstream modules |
| Operating Voltage | Supplied through the backplane (no external power needed) |
| Installation Slot | Horizontal bus slot (positions 1–2 or 11–18 in I/O rack) |
| Mounting | 19” rack, DIN rail compatible |
| Redundancy Support | Yes – supports dual power and mixed I/O redundancy |
| Operating Temperature | –40°C to +70°C (industrial grade) |
| Diagnostics | Detects voltage anomalies, watchdog fault conditions |
| Dimensions (mm) | 127 (H) × 25 (W) × 203 (D) mm |
| Dimensions (inches) | 5.0 × 1.0 × 8.0 inches |
| Weight (kg) | 0.2 kg |
| Weight (lbs) | 0.44 lbs |
| Hot Swap Support | Supported (central system may shut down briefly) |
| Backplane Interface | Honeywell proprietary bus connector |
| Compliance | Industrial safety system standards |
🏭 Product Applications
The FSC 10302/1/1 is commonly used in:
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Safety Instrumented Systems (SIS)
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Process control systems (Oil & Gas, Chemical)
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Redundant power supply configurations
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Distributed I/O systems requiring watchdog monitoring
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Power supply health monitoring in critical systems
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SIL-rated (Safety Integrity Level) architectures
✅ Product Advantages
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High Reliability: Ensures real-time fault detection on power supply lines.
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Failsafe Output Handling: Prevents unmonitored I/O operations by signaling watchdog loss.
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Compact Form Factor: Only 0.2 kg with a slim 1-inch wide profile, it saves space in control panels.
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Supports Redundant Systems: Operates seamlessly with dual-supply architectures and redundant I/O layouts.
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Safe System Shutdown: Allows modules to transition to safe state if power anomaly is detected.
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Field Proven: Designed for Honeywell’s trusted FSC systems used worldwide in safety-critical environments.
🧬 Series Classification
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Brand: Honeywell
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Series: FSC (Fail Safe Controller)
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Category: Safety I/O Interface Modules
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Sub-Group: Watchdog and Monitoring Modules
🔁 Related Models (Same Series or Functional Group)
| Model | Function | Power Monitoring | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| FSC 10302/1/1 | Watchdog Repeater (standard) | Yes | 127 × 25 × 203 | 0.2 |
| FSC 10302/2/1 | Watchdog Repeater (enhanced) | Yes | 127 × 25 × 203 | 0.2 |
| FSC 10303/1/1 | Power Supply Distribution Module | Yes | 127 × 25 × 203 | 0.25 |
| FSC 10305/1/1 | Analog Signal Converter | No | 127 × 25 × 203 | 0.2 |
| FSC 10307/1/1 | Vertical Bus Terminator | No | 127 × 25 × 203 | 0.15 |
🔝 Popular Models from Same Brand
| Model | Function | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| FSC 10100/2/1 | Horizontal Bus Driver | 5 V | 127 × 25 × 203 | 0.1 |
| FSC 10024/H/I | Safety Controller CPU | 5 V / 24 V | 150 × 30 × 220 | 0.4 |
| FSC 10302/1/1 | Watchdog Repeater | Monitors 5/24V | 127 × 25 × 203 | 0.2 |
| FSC BSDOL-04UNI | Output Calibration Module | 24 V | 100 × 20 × 180 | 0.15 |
| FSC TSDO-04UNI | Safety Digital Output Module (4-Channel) | 24 V | 100 × 20 × 180 | 0.18 |
❓ Frequently Asked Questions (FAQ)
Q1: What is the purpose of FSC 10302/1/1?
A1: It monitors 5 VDC and 24 VDC power supply lines and generates a watchdog signal to ensure downstream output modules are supplied correctly.
Q2: Can the module be replaced while the system is powered?
A2: Yes, but it may trigger a system central unit reset during replacement, so caution is recommended.
Q3: Is the module suitable for redundant power configurations?
A3: Absolutely. It’s designed to function within both single and redundant power supply systems.
Q4: Where should this module be installed?
A4: In an I/O rack position that connects to the horizontal bus (e.g., slot 1, 2, or 11–18).
Q5: How does it help in system safety?
A5: It prevents undetected power issues by removing the watchdog signal if voltage drops occur, forcing downstream modules to fail-safe mode.
Q6: What happens if both power supplies fail?
A6: The module disables the watchdog output, signaling a fault to the system. This results in a safe shutdown or alarm.
Q7: Does it work with all I/O modules in the FSC system?
A7: Yes, it is compatible with FSC output modules that use watchdog inputs.
Q8: What is the expected lifespan of the module?
A8: Designed for long-term use in industrial systems, typically over 10 years under normal conditions.
Q9: Is software configuration required?
A9: No software setup is needed. It functions based on hardware configuration and placement.
Q10: What is the physical size and weight?
A10: It measures approximately 127 × 25 × 203 mm and weighs 0.2 kg.
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