Emerson Industrial Automation/Control Techniques reports that a number of its recently introduced Mentor MP intelligent DC motor drive sets are now in service at a variety of installations worldwide, and even larger-capacity Size 2 drives would enter the market at the end of 2009. New models cover the 350–1,850A range up to 690V.  Multiple drives can be connected together to control armature currents of up to 7,400A in 6-, 12- and 24-pulse configurations. Every drive in this range ships with an inbuilt 20A field controller which is claimed to be suitable for the vast majority of DC motors; however, for higher field currents and for upgrading older equipment, a new stand-alone FXMP25 controller will be available. According to the supplier, a core strength of the Mentor MP range is its compatibility with Control Techniques’ universal SM option module range, giving Mentor MP access to the latest onboard PLC and Motion engines, high speed Ethernet and Fieldbus communications and connectivity with modern high-resolution feedback devices.

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