Yaskawa YPHT Series Modules YPHT31359-1A

Technical Dossier

Product Details And Specifications

Yaskawa YPHT Series Technical Notes

The Yaskawa YPHT series represents a critical tier of control board and motherboard assemblies deployed across Yaskawa's MP-series machine controllers and Sigma-series servo drive platforms. These boards serve as the central processing and communication backbone in high-demand industrial environments including chemical processing plants, steel rolling mills, paper manufacturing lines, and power generation facilities. With installed bases spanning multiple decades across Asia, Europe, and the Americas, the YPHT series remains one of the most actively sourced legacy control board families in the global industrial spare parts market.

The Evolution of YPHT Series Architecture

Yaskawa's YPHT board series evolved in parallel with the company's transition from analog servo control to fully digital, network-integrated motion systems. Early YPHT variants were designed for standalone drive applications with limited external communication, relying on proprietary Yaskawa bus protocols. As industrial automation demands shifted toward distributed control and fieldbus integration (MECHATROLINK-II, MECHATROLINK-III, EtherCAT), successive YPHT revisions incorporated expanded communication interfaces while maintaining backward-compatible mechanical form factors.

The series entered its mature/end-of-production phase as Yaskawa transitioned customers toward the Sigma-7 and MP3000 platforms. However, the installed base of legacy equipment ensures sustained demand for YPHT boards well into the 2030s, particularly in regions where full system replacement is cost-prohibitive.

YPHT Series Full Catalog & Functionalities (SKU List)

The following SKUs represent the most commonly sourced models within the Yaskawa YPHT and associated control board families. Each entry reflects verified functional classification:

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

Quality Control for the YPHT Series Range

The YPHT series presents specific quality control challenges due to its multi-layer PCB construction, proprietary Yaskawa bus connectors, and sensitivity to electrostatic discharge (ESD) during handling. Standard incoming inspection procedures applied to commodity PLC modules are insufficient for these boards.