ALD-2I | Siemens Analog Loop Driver Module for MXL-IQ Fire Alarm Systems
Siemens · Fire & Life Safety
Description The Siemens ALD-2I is an analog loop driver module designed for MXL-IQ life safety systems. It provides two intelligent analog circuits compatible with Cerberus Pyrotronics “I” type devices, allowing integration of up to 120 addressable input and output components across Style 4 or Style 6 configurations. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Fire Alarm System Components Part Number ALD-2I Subcategory Analog Loop Driver Series MXL-IQ Module Type PC Board Loop Type 2 Intelligent Analog Circuits Supported Devices per Loop Up to 60 Programmable Devices Supported Device Type Cerberus Pyrotronics “I” Series Intelligent Devices Circuit Style Style 4 or Style 6 Communication Type Addressable Analog Communication Power Supply From MXL-IQ Main Control Panel Mounting Type Plug-in Module / Panel Mounted Application Expansion of Fire Alarm System Device Capacity Dimensions (L × W × H) 14 × 14 × 3 in Operating Environment Indoor, Life Safety System Panels Enclosure Requirement Installed within MXL-IQ Cabinet Compliance UL Listed, NFPA 72 Compatible Weight 3 lbs Information About ALD-2I The ALD-2I is a Siemens MXL-IQ network option module engineered to expand the system’s capacity for intelligent device monitoring and control. It adds two independent analog loops, each capable of supporting up to 60 Cerberus Pyrotronics “I” type devices, including sensors, modules, and control relays. Each loop can be configured as either Style 4 (Class B) or Style 6 (Class A), offering installation flexibility to meet site-specific wiring and redundancy requirements. Designed as a plug-in printed circuit board, the ALD-2I interfaces directly with the MXL-IQ system backplane, providing reliable communication and enhanced fault tolerance in large-scale fire alarm installations. Key Features: Dual Analog Loops: Provides two intelligent circuits, each supporting up to 60 programmable devices for a total of 120 addressable components. Flexible Circuit Configuration: Each loop can be wired as Style 4 or Style 6, allowing Class A or Class B operation depending on system design. Intelligent Device Compatibility: Fully supports Cerberus Pyrotronics “I” series detectors, modules, and notification appliances. Plug-In PC Board Design: Simplifies installation and maintenance within the MXL-IQ system enclosure. High-Speed Analog Communication: Ensures fast and reliable data exchange with all connected intelligent devices. System Expansion Capability: Increases overall input/output capacity of the MXL-IQ fire alarm control system. Built-In Fault Monitoring: Continuously supervises loop wiring and device communication for enhanced system safety. Industrial-Grade Construction: Designed to maintain performance under continuous operation in critical life safety environments. The ALD-2I delivers the reliability and precision required for modern fire detection networks, enabling scalable, fault-tolerant control in intelligent life safety systems.
Brand: Siemens · Category: Fire & Life Safety
Key features
- Dual Analog Loops: Provides two intelligent circuits, each supporting up to 60 programmable devices for a total of 120 addressable components.
- Flexible Circuit Configuration: Each loop can be wired as Style 4 or Style 6, allowing Class A or Class B operation depending on system design.
- Intelligent Device Compatibility: Fully supports Cerberus Pyrotronics “I” series detectors, modules, and notification appliances.
- Plug-In PC Board Design: Simplifies installation and maintenance within the MXL-IQ system enclosure.
- High-Speed Analog Communication: Ensures fast and reliable data exchange with all connected intelligent devices.
- System Expansion Capability: Increases overall input/output capacity of the MXL-IQ fire alarm control system.
- Built-In Fault Monitoring: Continuously supervises loop wiring and device communication for enhanced system safety.
- Industrial-Grade Construction: Designed to maintain performance under continuous operation in critical life safety environments.
Specifications
| Manufacturer part number | ALD-2I |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Fire Alarm System Components |
| Part Number | ALD-2I |
| Subcategory | Analog Loop Driver |
| Series | MXL-IQ |
| Module Type | PC Board |
| Loop Type | 2 Intelligent Analog Circuits |
| Supported Devices per Loop | Up to 60 Programmable Devices |
| Supported Device Type | Cerberus Pyrotronics “I” Series Intelligent Devices |
| Circuit Style | Style 4 or Style 6 |
| Communication Type | Addressable Analog Communication |
| Power Supply | From MXL-IQ Main Control Panel |
| Mounting Type | Plug-in Module / Panel Mounted |
| Application | Expansion of Fire Alarm System Device Capacity |
| Dimensions (L × W × H) | 14 × 14 × 3 in |
| Operating Environment | Indoor, Life Safety System Panels |
| Enclosure Requirement | Installed within MXL-IQ Cabinet |
| Compliance | UL Listed, NFPA 72 Compatible |
| Weight | 3 lbs |
| Product type | Analog Loop Driver |
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