A reliable, economical master speed control unit for operating multiple variable speed drives from a single 5K master potentiometer, or field selectable DC voltage range of 0-5 through 0-25 VDC OR 0-25 through 0-200 VDC input (grounded or ungrounded). Drives may be controlled to maintain identical speeds or individually pre-set proportional speeds with respect to the MSC speed setting.
- For applications where multiple drives are adjusted from a single potentiometer, analog voltage or mA signal
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