If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Woodward 5501-469 PLC CPU Module Introduction The Woodward 5501-469 PLC CPU Module is a high-reliability controller designed for industrial automation and engine/generator control applications. It serves as the central processing unit in a PLC system, executing control log *Your Name: *Your Email: *Your Name: *Vdcode: Submit