Description
Core Product Summary
The Motorola FLN3524A is a CPU3640 processor module associated with the ACE3600 remote terminal unit (RTU), part of Motorola’s MOSCAD ACE industrial telemetry platform. It serves as a controller component within an RTU configuration used for remote monitoring, data acquisition, and supervisory control applications.
The FLN3524A is identified with the CPU3640 designation and the configuration code 16F 32SD. When selecting this module for maintenance or replacement, confirm the complete part number, installed ACE3600 hardware configuration, and controller configuration. These details are important for determining whether the module matches the intended RTU assembly.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Motorola Solutions |
| Model | FLN3524A |
| Module designation | CPU3640 |
| Product type | RTU processor module |
| System family | ACE3600 / MOSCAD ACE |
| Configuration identifier | 16F 32SD |
| System role | Controller processing within an RTU |
| Application category | SCADA and remote telemetry |
Engineering Selection Highlights
- ACE3600 platform association: The FLN3524A belongs to the ACE3600 RTU product family. Confirm the installed RTU model and hardware configuration before selecting a replacement.
- CPU3640 identification: The processor designation helps distinguish the module from other ACE3600 components. Match the complete ordering code rather than relying on appearance alone.
- Remote telemetry role: The module is a controller component within an RTU architecture used for remote data monitoring and supervisory control.
- Configuration matching: Check the existing controller configuration and associated I/O modules before replacing the processor.
- Maintenance documentation: Record the full FLN3524A part number and the installed unit’s hardware identification to support accurate parts procurement.
Detailed Product Overview
Processor role in the ACE3600 RTU
The FLN3524A is identified as a CPU3640 module within the Motorola ACE3600 family. The processor occupies the controller role in the remote terminal unit, which forms part of the interface between field equipment and a supervisory control environment.
In a typical RTU architecture, the controller processes information from configured inputs, executes application logic, and coordinates data exchange with connected systems. The exact functions available in a particular installation depend on the RTU configuration and application software.
Integration with the telemetry system
The FLN3524A should be evaluated as part of the complete ACE3600 assembly rather than as a standalone general-purpose processor. The chassis or RTU configuration, power supply, I/O modules, communication equipment, and application configuration all affect system integration.
Before installing a replacement, record the existing module designation and inspect the installed assembly. Confirm that the intended processor is suitable for the particular hardware configuration and that the required application configuration can be maintained.
Maintenance and procurement considerations
The complete model number, FLN3524A, should be used in purchase orders, maintenance records, and spare-parts inventories. The CPU3640 designation provides an additional identification reference.
For a replacement project, document the installed hardware configuration and relevant controller settings before removing the existing module. After installation, follow the equipment’s approved commissioning procedure to confirm controller operation and communication with the connected system.

FLN3524A

FLN3524A
Applications & System Role
The Motorola FLN3524A CPU3640 is a processor module for the ACE3600 remote telemetry platform. In an RTU architecture, the processor coordinates controller operations and supports the system’s role in collecting field information and communicating with supervisory systems.
Its intended system context includes remote monitoring and control installations in which an RTU interfaces with field signals and a higher-level SCADA system. The specific I/O configuration, communication interfaces, and control functions depend on the complete ACE3600 assembly and its configured application.
For maintenance engineers, the key selection issue is not simply whether a component is described as an RTU CPU. The module must correspond to the installed hardware configuration and application requirements.
FAQ
What is the Motorola FLN3524A?
The Motorola FLN3524A is a CPU3640 processor module associated with the ACE3600 remote terminal unit.
Which system does the FLN3524A belong to?
It belongs to the Motorola ACE3600 / MOSCAD ACE remote telemetry platform.
What does the FLN3524A do?
It serves as a processor component within the RTU, supporting controller operations in remote monitoring, telemetry, and supervisory control applications.
Is the FLN3524A an I/O module?
It is identified as a CPU3640 processor module rather than a dedicated field I/O module.
What should be checked before ordering a replacement?
Confirm the complete FLN3524A part number, CPU3640 designation, installed ACE3600 hardware configuration, and application requirements.
Can the FLN3524A be used in any ACE3600 assembly?
The model’s association with the ACE3600 family does not establish compatibility with every possible assembly. Confirm the intended configuration against the equipment documentation before installation.




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