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Wednesday, July 1, 2009 Offers New Integrated Motor Shipped From Stock

New Drive+Motor Unit Reduces Wiring and Space Needs, and Associated Costs
Greenville, DE — The STM is a stepper drive and motor unit fused into a single device that offers significant savings on space, wiring and cost when compared with conventional motor and drive solutions.
Powerful features such as advanced current control, anti-resonance technology, torque ripple smoothing and microstep emulation allow the STM to deliver optimized stepper performance ideal for medical, packaging, semiconductor and a wide variety of other automation applications. STM drive+motor units come standard with protection against over and under voltage, over-temp, motor shorts and motor open phase. They are RoHS compliant and CE certified.
The STM is available in lengths of 92.4 mm with an output torque of up to 125 oz-in, or 114.4 mm with an output torque of up to 245 oz-in. They provide three digital inputs, one digital output and one analog output.  Users can choose from an RS232 or RS485 communication interface and an optional 1000 line encoder that is integrated to the motor body without increasing the size of the unit. The optional encoder provides stall detect and stall prevention functionality.
Two versions with different control options are available; the S version with step and direction input, and the programmable Q version. The STM-S is quickly and easily configured with graphical, intuitive CONFIGURATOR software. The STM-S can be configured from a drop-down menu, or the user can quickly create custom motor configurations if desired. The STM-Q is well suited for more complex motion. It provides stand-alone operation and is quickly programmed with the robust Q programming environment, which delivers a number of benefits including register manipulation, conditional processing, math functions, multi-tasking and “generic” HMI compatibility.
Self-Test and Auto Setup features measure and configure motor parameters automatically, while Electronic Damping (anti-resonance) technology eliminates midrange instability for higher motor speeds and fuller use of available torque. Command Signal Smoothing reduces extraneous system resonances for smoother motor performance and reduced wear on mechanical components. Torque Ripple Smoothing adjusts the current waveform to reduce low speed torque ripple for smooth motion at low motor speeds. Additionally, MicroStep Emulation provides smooth motion for systems that require low step resolutions, such as retrofit systems with controller resolution that is fixed at a low value and cannot easily be changed.  
More information on STM Series can be viewed at –

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