What is the difference between a Digitax HD and a Unidrive M750, M751, and M753?

The Digitax HD is the newest and highest performing servo drive that Control Techniques has to offer.  It is offered in 3 derivatives, noted by the M750, M751, and M753.

The M751 offers onboard serial communications (RS485).

The M750 offers onboard Ethernet communications (TCP, Modbus TCP, and Ethernet IP).

The M753 offers onboard EtherCAT communications.

All of these derivatives of the Digitax HD offer 2 option module slots for additional SI Option Modules.