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[[File:AutomationDirect_DURApulse_GS21-11P0_Stock_Photo.jpg|thumb|DURApulse GS21-11P0 stock photo]]

== Overview ==

Taiwanese variable frequency drives (VFDs). They feature Modbus/RS-485 support.

== Model Numbers ==

* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=38 Page 38] (1-30 in the PDF) shows the model number scheme

== Wiring Diagram ==

* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=62 Page 62] (2-24 in the PDF) shows the power terminals pinout
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=66 Page 66] (2-28 in the PDF) shows the power terminals layout
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=69 Page 69] (2-31 in the PDF) shows the power terminals wiring diagram
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=69 Page 69] (2-31 in the PDF) shows the control terminals pinout
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=72 Page 72] (2-34 in the PDF) shows the control terminals layout
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=74 Page 74] (2-36 in the PDF) shows the control terminals wiring diagram
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=76 Page 76] (2-38 in the PDF) shows the full wiring diagram
* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=368 Page 368] (5-11 in the PDF) shows the RJ45 Modbus/RS-485 pinout

== Dimensions ==

* [https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf#page=44 Page 44] (2-6 in the PDF) shows the dimensions

== Online Resources ==

[https://www.automationdirect.com/drives/ac-drives/gs20 AC Drives GS20 and GS20X | AutomationDirect]

[https://cdn.automationdirect.com/static/manuals/gs20m/gs20m.pdf AutomationDirect DURApulse GS20 & GS20X Drive User Manual (GS20_UMW, 1st Edition, Rev D)]