Question 1

The driver says it can be wired ac or dc power, but the directions do not say how to connect dc (+) and (-) to the terminals labeled ac and ac. which one is the (+) terminal?

Accepted Answer

It's a good question.
On the driver, it show two AC terminals, that meaning you can connect DC+ and DC- to these two AC terminals at random.
Best regards
Daniel Zhang

Question 2

I have 1 of these units currently throwing a fault code. Is it resettable or must it be replaced?

Accepted Answer

I have been through about a dozen of these.  For me if cycling the power did not clear the fault I had to replace the drive.  I know it has to be something simple so I have a box full of them that I "plan" to fix when I have time.

Question 3

can this this be used with nema 23 4.0 amp 1.8mh .9ohm ?

Accepted Answer

yes, of course.

Question 4

I see stepperonline also has power supplies.  which one is best for this driver?  i'd like to get one with a vent fan if possible.  thank you.

Accepted Answer

We are pleasure to recommend you a suitable power supply, but we should know your stepper motor's size and the current. We suggest you can contact us through the following link:https://www.amazon.com/ap/signin?clientContext=132-1435244-9126724&openid.return_to=https%3A%2F%2Fwww.amazon.com%2Fhz%2Fhelp%2Fcontact%2FAWQBCGWISS7BL%3FmarketplaceID%3DATVPDKIKX0DER%26ref_%3Dv_sp_contact_seller%26sellerID%3DAWQBCGWISS7BL%26_encoding%3DUTF8&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.assoc_handle=amzn_problem_order_us&openid.mode=checkid_setup&marketPlaceId=ATVPDKIKX0DER&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&pageId=amzn_problem_order_us&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.pape.max_auth_age=3600&siteState=clientContext%3D146-2676799-6797316%2CsourceUrl%3Dhttps%253A%252F%252Fwww.amazon.com%252Fhz%252Fhelp%252Fcontact%252FAWQBCGWISS7BL%253FmarketplaceID%253DATVPDKIKX0DER%2526ref_%253Dv_sp_contact_seller%2526sellerID%253DAWQBCGWISS7BL%2526_encoding%253DUTF8%2Csignature%3Du4p5lbF0yj2FKvgopOimgaXHzIRzAj3D

ASIN	B06Y68Q8ND
Brand Name	STEPPERONLINE
Customer Reviews	4.7 4.7 out of 5 stars (90)
Item Weight	580 Grams
Manufacturer	Leadshine Technology Co., Ltd.
Material Type	Copper
Model	DM860T
Model Name	nema
Part Number	DM860T
Speed	6 RPM
UPC	715624558980 715624558805
Voltage	110 Volts

STEPPERONLINE CNC Digital Stepper Motor Driver 2.4-7.2A 18-80VAC or 36-110VDC for Nema 34 and 42 Motor

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