The METSO+PDP401 module appears to be a distributed processing unit (DPU) used in Metso’s maxDNA distributed control system.

Product Name:

METSO PDP401 Distributed processing unit module

Product Parameters/Specifications:

Dimensions: Approximately 2.2cm x 12.4cm x 12.6cm
Weight: About 0.1 kg
Country of origin: USA

Other specifications:

About processing power, memory capacity, supported communication protocols or compatible devices