WOODWARD 5501‑470 NETCON CPU MODULE
Product Introduction
WOODWARD 5501‑470 NETCON CPU MODULE is the core processor unit of the NetCon 5000 control system. Model configuration is W/O LL MEMORY without low‑latency memory extension. As the computing hub of the whole control system, it is responsible for running control algorithms, logical operations, backplane bus scheduling and device communication management.
WOODWARD 5501‑470 is compatible with NetCon5000 and NetCon5000B hardware platforms. It can perform critical tasks such as turbine speed regulation, load sharing and interlock protection, and is widely deployed in key equipment of the energy industry.
With deterministic real‑time processing capability, WOODWARD 5501‑470 guarantees continuous and stable operation on industrial sites and serves as an indispensable core board for the complete unit control system.

Technical Specifications
| Module Type | NETCON CPU Processor Module |
| Part Number | 5501‑470 |
| Applicable Platform | NetCon 5000 / NetCon 5000B |
| Hardware Configuration | W/O LL MEMORY (No low‑latency memory) |
| Processor | Industrial‑grade high‑speed processing core, supports deterministic real‑time operation |
| Communication Interfaces | Backplane I/O bus, debug serial port, Ethernet interface |
| Power Supply | Rack backplane powered, DC 18‑32V |
| Operating Temperature | ‑20℃ ~ +70℃ |
| Humidity | 5%‑95% non‑condensing |
| Weight | Approx. 0.7kg |
| Mounting Form | Rack plug‑in card type |
| Protection Class | IP20, board with three‑proof coating treatment |
Core Advantages
- WOODWARD 5501‑470 delivers high‑determinism real‑time computing capability to meet millisecond‑level control response requirements for turbine units.
- Supports simplex and redundant system architecture deployment to match project configurations of different safety levels on site.
- Built‑in hardware self‑diagnosis can report hardware abnormalities and communication faults in real time, helping operation‑maintenance personnel quickly locate system problems.
- The board is treated with three‑proof coating against salt spray, dust and vibration, suitable for harsh industrial environments such as power plants and oil‑gas platforms.
- Standardized backplane bus design enables fast connection with NetCon‑series I/O modules for flexible and convenient system expansion and retrofitting.
Compatible with mainstream industrial communication protocols, capable of connecting to SCADA host computer for remote monitoring and parameter downloading.

Product Features
- WOODWARD 5501‑470 is equipped with real‑time operating system; all control logic is executed locally on the board without relying on external devices.
- Hardware status LED indicators intuitively display running, fault and communication status; no extra tools required for on‑site fault diagnosis.
- Modular plug‑and‑pull structure without cabinet wiring modification, shortening downtime for module replacement.
- High‑speed data exchange via backplane bus with low data transmission latency for I/O modules inside the chassis.
- Firmware upgradable to adapt to different‑version project programs of the NetCon platform.
- This hardware version does not support LL low‑latency memory extension; project memory requirements shall be checked during model selection.
Application Fields
- Gas turbine control systems: processing of speed regulation, fuel valve control and unit protection logic.
- Steam turbine power generation projects: grid‑tied synchronization, active and reactive load sharing.
- Anti‑surge control for compressors in oil‑gas industry: process regulation of large compressor units.
- Main control unit for distributed energy and combined heat‑and‑power generation units.
- Unit interlock protection and sequence start‑stop control for industrial power equipment.
Automation control systems for key power equipment on offshore platforms and on‑land power stations.

Matching Related Products
- 5437‑860: NetCon5000 I/O chassis, provides rack slots and backplane power supply for WOODWARD 5501‑470.
- 5501‑471: NETCON SIO communication module for expanding multi‑channel serial communication interfaces.
- 5464‑414: Analog input‑output module for collecting on‑site pressure, temperature and speed signals.
- 5450‑435: System power supply module to power the whole NetCon chassis.
- 8928‑396: Magnetic resistance speed sensor connected to WOODWARD 5501‑470 for speed acquisition.
5466‑1245 CPU5200: Available as hardware upgrade replacement component for later‑stage use.

FAQ
Q:What does W/O LL MEMORY mean for WOODWARD 5501‑470?
A:W/O LL MEMORY means this hardware version comes without low‑latency memory. No LL memory can be added to this board. If low‑latency memory function is required for the project, please select CPU modules of other part numbers.
Q:Does WOODWARD 5501‑470 support redundant hot‑standby operation mode?
A:The hardware of WOODWARD 5501‑470 supports redundant architecture. Matching chassis, backplane and supporting firmware are required to complete dual‑CPU hot‑switch configuration for automatic fault switching.
Q:What key information shall be confirmed when purchasing WOODWARD 5501‑470?
A:You need to confirm hardware revision number, project firmware version, chassis model, whether LL memory function is required on site, as well as physical dimension and slot compatibility of the module.
Q:Can WOODWARD 5501‑470 directly replace 5501‑471 module?
A:Direct interchange is not allowed. 5501‑471 is an SIO communication board with different hardware positioning. Its hardware interfaces and project programs are incompatible, so it cannot be used for direct replacement.
Q:What are the common fault causes when RUN indicator of WOODWARD 5501‑470 stays off?
A:Prioritize checking chassis power supply voltage, loose backplane contact, correctly downloaded firmware project. Aged or damaged hardware of the board may also cause abnormal running indicator status.
Q:What alternative hardware models are available for WOODWARD 5501‑470 for old‑system upgrading?
A:For NetCon platform upgrading, refer to 5466‑1245 CPU5200 module. Complete migration of original control project and adaptation commissioning for hardware and programs are required.
Q:How to back up and export project files for WOODWARD 5501‑470?
A:Use the corresponding NetCon platform configuration software, connect to WOODWARD 5501‑470 via Ethernet or debug serial port, and read project files online for backup.
Q:Can WOODWARD 5501‑470 be directly used in offshore high‑salt‑spray environment?
A:The board has three‑proof coating, yet its protection class is IP20. It cannot be directly exposed outdoors and shall be installed inside sealed explosion‑proof control cabinets.
Product Tags
5501‑470,WOODWARD CPU MODULE,NETCON CPU Module,NetCon 5000 series,industrial turbine controller,gas turbine control module,woodward spare parts,industrial cpu board
Supplementary Notes
WOODWARD 5501‑470 is a critical CPU component for NetCon5000 platform with large demand in power‑equipment retrofitting and spare‑part replacement projects. Before project implementation, verify the firmware version of the whole system; mismatched firmware will result in communication abnormality and logic operation errors.
This is a plug‑in module; perform disassembly and assembly under power‑off status. Hot‑swap operation will cause hardware damage to backplane or the board itself.









