Mitsubishi MDS-A/B Series Servo Drives
Overview
Servo/spindle drives made by Mitsubishi, they seem to be meant to work only with their NC controller via a daisy chained serial interface.
Model Numbers
Page 25 (marked as I-7 in the PDF) of the "BNP-B3759B" (Specifications Manual) lists the servo drive model numbers.
Wiring Diagram
Page 206 (marked as III-87 in the PDF) of the "BNP-B3759B" (Specifications Manual) shows the MDS-A/B-V1 connector names/layout.
BNP-B2046C Maintenance Manual?
Online Resources
Mitsubishi MDS-A/B Series AC Servo/Spindle Specifications Manual BNP-B3759B (ENG)