New Emerson Control Techniques Mentor 2 40hp M75r-14l 30 Kw Dc Drive

US $2,400.00

  • Reno, Nevada, United States
  • Jan 29th
BRAND NEW - SHIPS NEXT DAY!! Mentor II is the latest family of advanced, fully microprocessor-controlled DC variable speed industrial Drives. The range of output current is from 25A to 1850A. All sizes share control, monitoring, protection and serial communications features. All units are available alternatively in either singleended or four-quadrant configuration. Singleended Drives provide forward run operation only. Four-quadrant Drives are fully-reversible. Both types offer comprehensive control of motor speed and/or torque, the four-quadrant Drives providing full control in both directions of rotation. Operating parameters are selected and changed either at the keypad or through the serial communications link (interface). Access for writing or changing parameter values can be protected by the three-level security code system.   1.1 Mentor II parameters Mentor II is equipped with a range of parameters designed to give the utmost flexibility of application to industrial requirements. The parameters are arranged in menus, as being the most convenient way of making access easy and quick for the user. Within each menu, those parameters which are needed only for customization of the Drive for the more complex applications have been made invisible that is, they are normally inaccessible except through high level security access. With low level security access, invisible parameters do not appear in the digital display. This arrangement has the effect of reducing the apparent size of the menus for greater convenience in normal use, and ensuring the maximum protection for the parameters which are specially set up for a particular application or process. 1.2 Supply phase-sequence Loss of one or more phases of input is automatically detected. Drive will run irrespective of input phase rotation. 1.3 Output • 6-pulse firing of output thyristors (SCRs). Optionally configurable to (series or parallel) 12-pulse operation. 1.4 Speed feedback • Motor armature voltage, or • Tachogenerator (tachometer), or • Encoder (pulse tachometer). • PID speed loop algorithm. 1.5 Speed reference• -10V to +10V • 0 to 10V • 4 to 20mA • 20 to 4mA • 0 to 20mA • 20 to 0mA • Encoder digital input • Internally-generated digital reference. 1.6 Serial communications interface • RS485 serial communications port, opticallyisolated. 1.7 Current feedback • Resolution 0.1%. • Current loop linearity 2%, bandwidth 80Hz. • Uniform response at all current values. 1.8 Control • All analog and most digital inputs configurable by the user for specific applications. • PID speed loop algorithm. • Provision for encoder inputs for position control. • On-board provision for tachogenerator (tachometer) calibration. • Programmable control of field-weakening. • Phase sequence and phase-loss detection. • Software includes current loop self-tuning algorithm. • Menu-driven parameter structure. • Drive returns to last parameter adjusted in each menu. • User-defined menu for quick access to mostused parameters. ** We are surplus equipment dealers with a wide range of products for sale. We are not experts in any particular item or category we advertise. We do not have the ability or expertise to test equipment for functionality beyond plugging it in and describing what we observe as best as we can. All statements and configurations are made to the best of our ability and with the assumption the buyer is knowledgeable and proficient in the use of this type of equipment. We give descriptions from the manufacturer's website when available, these descriptions may or may not be entirely accurate of the product listed. Due to the nature of used and surplus items, we have no history of the equipment, nor do we offer any warranty or guarantees, unless otherwise stated in the description above. We intend that photographs are part of the description. Pictures are of the actual item, unless a stock photo is added for reference and noted in the description. Please look closely at pictures, only items shown are included. No accessories, software, and or manuals, etc. included unless stated in the description. Used items may have writing, engraving, paint, etc. that may or may not be seen in the pictures.

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