Previous
Next
Siemens FDCL181 Flame Detector
1.General Description
The Siemens FDCL181 Flame Detector is a high-quality device. The device quickly and accurately detects flames in industrial and commercial settings.
The FDCL181 uses infrared (IR) and ultraviolet (UV) dual-sensing technology. This helps it reliably identify hydrocarbon-based fires from oil, gas, or chemical sources.
The FDCL181 Line Separator version also has flame detection features. Part of the same product family.
The FDCL181 Line Separator helps find and isolate short circuits on the FD18-BUS. It protects the C-NET from short circuits and keeps communication running smoothly. It also allows sharing information about events and alarms, maintaining full system functionality even when faults occur.
These versions of the Siemens FDCL181 help ensure fire safety and reliable communication in Siemens Cerberus and FD18-BUS systems.
2.Technical Specifications
l Specification Value Model FDCL181
l Type: Flame Detector / Line Separator (variant)
l Detection Technology: Infrared (IR) and Ultraviolet (UV)
l Operating Voltage: 18–30 VDC
l Power Consumption: 50 mA (at 24 VDC)
l Alarm Output: Relay (SPDT) or 4–20 mA (selectable)
l Response Time: Less than 5 seconds
l Operating Temperature: -40°C to +85°C
l Storage Temperature: -40°C to +85°C
l Humidity Range: 0%–95% RH, non-condensing
l Housing Material: Die-cast aluminum, corrosion-resistant
l Protection Rating: IP66/67 (weatherproof, dust-tight)
l Mounting: Adjustable bracket
l Weight: 1.5 kg
l Dimensions: 155 mm × 155 mm × 130 mm (L × W × H)
3.Detailed Features of Siemens FDCL181
A. Dual-Technology Detection:
The Siemens FDCL181 Flame Detector uses both IR and UV sensing. This improves accuracy and reduces false alarms from sunlight, welding, or other non-fire light sources.
B. Fast Response Time:
Capable of detecting open flames within 5 seconds, enabling quick activation of alarm systems to minimize potential damage.
C. Broad Operating Range:
Works well in a wide temperature range from -40°C to +85°C. Safe for both indoor and outdoor hazardous areas.
D. Highly Sensitive:
Detects even small hydrocarbon-based flames — ideal for oil refineries, gas stations, and chemical plants.
E. Corrosion-Resistant Housing:
The die-cast aluminium enclosure provides long-term durability in aggressive environments.
F. Versatile Mounting:
Includes an adjustable bracket for flexible positioning, allowing optimal line of sight toward potential flame sources.
G. Low Power Consumption:
Consumes only 50mA at 24VDC, ensuring efficient operation within energy-conscious safety networks.
H. Communication and Isolation Function (FDCL181 Line Separator):
The FDCL181 Line Separator variant offers protection of C-NET from short-circuit conditions. It helps find and isolate short circuits on the FD18-BUS. This keeps the system stable and allows information about events and alarms to flow across the network. This is a key feature for smart fire detection loops.
I. Integration with Siemens Systems:
This system works well with Siemens Cerberus PRO and Cerberus ECO systems. It also connects with other Siemens devices, like the fdci183 input modules and the FDCIO181-1 input/output module. This creates a complete fire safety setup.
4.Applications of Siemens FDCL181
The Siemens FDCL181 Flame Detector and FDCL181 Line Separator are useful for various safety applications. You can use them in both industrial and commercial settings. Here are some examples of their uses:
Industrial Plants and Refineries: Detects open flames and isolates faulty loops to ensure uninterrupted monitoring.
Gas Stations and Petroleum Storage: Monitors hydrocarbon fires and maintains communication integrity.
Chemical and Processing Facilities: Provides fast detection and fault isolation in high-risk environments.
Power Plants and Energy Production: Protects critical areas and ensures stable fire alarm communication.
Mining and Hazardous Zones: Enables early flame detection in explosive or dusty environments.
Marine and Offshore Platforms: Offers corrosion-resistant protection for fire detection in salt-laden air.
Airports and Transportation Hubs: Integrates with centralized control systems for high-capacity monitoring.
Waste Treatment and Recycling Plants: Ensures continuous detection and alarm signaling in harsh environments.
5.Installation of Siemens FDCL181
l Mounting:
Install the FDCL181 with the adjustable bracket. Place it on a stable surface where it can see the monitored area clearly.
l Wiring:
Connect to the fire alarm control system and ensure 18–30 VDC supply. For FDCL181 Line Separator, connect within the FD18-BUS loop to enable automatic short-circuit isolation.
l Configuration:
Select the output mode (Relay or 4–20 mA) according to the system design and adjust sensitivity as required.
l Testing:
Conduct flame detection and short-circuit tests. These tests will confirm proper operation and signal reporting in the C-NET loop.
6.Related Part Numbers of Siemens FDCL181
l Siemens FDCL182: Advanced model with enhanced sensitivity and digital communication.
l Siemens FDCL185: Heavy-duty version for harsh industrial environments.
l Siemens FDC100: Flame detection control unit compatible with FDCL181 and related devices.
l fdci183 siemens: Dual-input module for integrating various detection devices within the same loop.
l FDCL181 Line Separator: Used to detect and isolate short circuits on the FD18-BUS and protect C-NET communication paths.
l Siemens FDL120: Multi-detector fire detection system for use with Siemens flame detectors.
Siemens FDO181 Optical Smoke Detector
Siemens FDHM228 Fire Hydrant Alarm Button
7.Summary
The Siemens FDCL181 product range includes the Siemens FDCL181 Flame Detector and FDCL181 Line Separator. These products provide excellent fire detection accuracy, reliable communication, and strong system protection.
These devices detect flames in important areas and find faults on the FD18-BUS. They keep operations running smoothly and safely. They also share alarm and event data in real-time across Siemens’ smart fire protection networks.
