TTL max tension for 100% Laser

makerbase-mks / MKS-DLC32

MKS DLC32 motherboard kit, which is an offline engraving master control kit developed for desktop engraving machines. The hardware is equipped with a 32-bit high-speed ESP32 module, integrated WIFI function, and directly drives a 3.5-inch touch color screen; it can realize fast engraving and WEB web pages. Control, mobile phone APP control and other functions.

https://www.aliexpress.com/item/1005003183498253.html?spm=a2g0o.store_pc_home.productList_8356958.pic_0

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TTL max tension for 100% Laser #496

Open Marneus73 opened 3 months ago

Marneus73 commented 3 months ago

Hello,

I have some issues with my laser, so i decide to check the TTL tension for 100% laser. I measure with a multimeter directly on the card (TTL PIN) between signal and ground : 4.88V, not 5V.

Has anyone ever noticed this ? Any solutions ? Is it a firmware (config) or hard problem ?

Thanks in advance.

stef-ladefense commented 3 months ago

4.88 is within TTL tolerances. moreover the power is managed with the duty cycle and not in voltage.

how is your laser connected? is it a 3 wire? what model of laser? of card?

Marneus73 commented 3 months ago

Hello, It' a 4 wire laser head PLH3D-XT-50

Alimentation 12V (plug directly on the power supply)
TTL signal with it's own ground (both plug on the DLC32)

My card is a MKS DLC32 V2.1_003