ORTUR B08CBV9FQ2 User manual

1

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

ORTUR ORTUR Grounding Guide

10 February 2021

ORTUR LASER MASTER 2

2

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Ortur Laser Master 2 Grounding Advisory

Release Date: 10-02-2021

Ortur Action Advice: Recommended

Some users have been reporting and experiencing Static Electricity build up in their

machines while in use, especially on raster engraving operations.

This build up of Static Electricity can become severe to the point that its discharge -

via the 12v rail - can cause the motherboard to reset. Therefore causing interrupted

engraving operations (Alarm 3/Connection Lost errors).

In extreme circumstances the static build up might lead to hardware damage.

Although the number of users aected by this situation is statistically low, Ortur will

implement mitigation changes in the hardware to address this issue.

The guide below explains how to implement similar mitigating actions on machines

that are already in users hands.

Detailed Information:

What causes the problem

The Ortur Laser Master 2 is built from mix materials; Aluminium rails, Plastic

Wheels and Rubber belts.

On peculiar environmental circumstances - mostly based on cold weather and dry

air - the motion of the machine itself while performing engraving operations will

cause static electricity to build up on the frame, by the interaction between the

plastic wheels and rubber belt on the aluminium frame.

This electrical static charge - which would under normal circumstances dissipate

to the surrounding air naturally, creates a feedback loop eect, increasing the

voltage dierential in the frame to very high levels.

After reaching a certain threshold, the static charge will nd the path of least

resistance to discharge, and in the case of the Ortur Laser Master 2, this path is

through the Motherboard and the 12v rail.

Ultimately this surge causes an EMI pulse that forces the motherboard to reset,

leading to connection losses and interruptions in the engraving operations.

In extreme rare conditions, the continuous and cyclical discharge can cause

hardware failures, specially in the Ortur Motherboard.

3

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Tools and supplies Requirements

All the required tools and supplies required to perform the grounding operation

are fairly inexpensive and should be readily available.

In this guide we will be providing Amazon searchable keywords for ease of use,

however most DIY brick and mortar stores should carry all required supplies

In terms of skill sets, it is a fairly straight forward operation and should be easily

performed by any user.

This guide will cover 3 methods of grounding the ORTUR LASER MASTER 2:

Recommended, Simplied and Advanced method. All three methods will achieve

the same goals, although the skill and supplies/tools required vary between them.

We created a complementary instructional video that should clarify any doubts.

YOUTUBE: https://www.youtube.com/watch?v=d-SOoGuqgjU

Supplies Requirements

Stranded Speaker Wire - REQUIRED

Gauge: 0.5mm - 22AWG

Length : 5 Meters - 15 Feet

Search Terms:

USA - speaker wire 22 gauge 15 feet

EU/UK- speaker wire 0.5mm 5 meter

Cable Ties / Zip Ties- REQUIRED

Width: 2mm

Length : 150mm

Search Terms:

USA/EU/UK- cable ties 2mm

Ring Terminals M5 - RECOMMENDED

Ring: 5mm

Quantity: 4 Needed, 10 recommended

Search Terms:

USA/EU/UK- Ring terminal M5

ESD Ground Coupling Plug with POST- RECOMMENDED

Region Specic, be certain to obtain the one for your location

Search Terms:

USA - Universal Ground 3 Prong Outlet Earth Connection

EU/UK - ESD Earth Bonding Plug post

4

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Tool Requirements

Wire Cutters - REQUIRED

Search Terms:

USA - Flush Wire cutters

EU/UK- Flush Wire cutters

Phillips Screw Driver - REQUIRED

Search Terms:

USA - Phillips Screw Driver

EU/UK- Phillips Screw Driver

Ortur Cable Tool - RECOMMENDED

Search Terms:

USA/EU/UK- Tidy Wire Organizing Spiral Wrap Guide Tool

Digital Multimeter - RECOMMENDED

Search Terms:

USA/EU/UK- Digital Multimeter Continuity Tester

Wire Stripper Tool - RECOMMENDED

Search Terms:

USA - Multi Size Wire Stranded Stripper Tool

EU/UK- Wire Stranded Stripper Tool

5

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Wiring Harness Preparation

Prepare your work environment

Make sure your Ortur Laser Master 2 is disconnected

from power and usb, and set on a at table that allows

room to work freely.

In this step the Wire Cutters, Cable Stripper and the

Speaker Wire will be required to create the main wire

harness

Step #1

Unroll Speaker Wire.

Use the front cover of your Ortur Laser Master 2 as a ruler.

Measure and cut 11cm / 4 Inches of Speaker Wire.

Cable Cutting

Step #2

Unroll more Speaker Wire.

Use the Diagonal length of your Ortur Laser Master 2 as a

ruler.

Measure and cut 68cm / 27 Inches of Speaker Wire.

Step #3

Unroll more Speaker Wire.

This step varies based on the distance of your Ortur Laser

Master 2 to the closest Earth/Grounding point.

We recommend at least 2.5m / 100 Inches of Speaker Wire.

6

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #1

Use the cut length 11cm / 4 Inches of Speaker Wire.

Split the 2 strands from the Speaker Wire.

Only one will be necessary. Discard remainder.

Speaker Wire splitting

Step #2

Use the cut length 68cm / 11 Inches of Speaker Wire.

Split the 2 strands from the Speaker Wire through the whole

length.

Speaker Wire Insulation Stripping

Step #1

Use your Ortur Laser Master 2 aluminium extrusion as a

ruler and measure 2 cm / 0.6 Inches on the end of each cut

and split Speaker Wire strand.

This step must be repeated on all strands.

Step #2

Use your Wire Stripper Tool or the Wire Cutter to Remove 2

cm / 0.6 Inches of the wire insulation from the end of each cut

and split Speaker Wire strand.

This step must be repeated on all strands.

7

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #3

Twist tightly the exposed laments of the stripped Speaker

Wire strands.

This step must be repeated on all strands.

Step #4

Once the above steps are nalized there should be:

1x Strand of 11cm / 4 Inches

2x Strands of 68cm / 11 inches

1x Strand of 2.5 Meters / 100 Inches

Speaker Wire Crimping / Joining

Step #1

Join and twist tightly the exposed

laments of the stripped Speaker

Wire in sequence to complete the

wiring combination shown in the

image.

In case of doubts on how to perform

this step correctly, please refer to

video reference hyper-link on Page

3, from the 6 minute and 10 seconds

mark.

Note:

For the simplied methods of grounding, this is the nal step on the wiring harness

preparation.

8

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #2

Bend the exposed twisted laments in half, forming a tight U

shape.

This step should be performed on all exposed lament with

the exception of the short single 11cm / 4 Inches lament

end. (Refer to step #5 image)

Step #3

Insert Ring Terminal over exposed lament.

This step should be performed on all exposed laments with

the exception of the short single 11cm / 4 Inches lament

end. (Refer to step #5 image)

Step #4

Use your Wire Stripper Tool to crimp rmly the Ring

Terminal.

This step should be performed on all exposed laments with

the exception of the short single 11cm / 4 Inches lament

end. (Refer to step #5 image)

Step #5

Once all steps are completed the wire

harness should look like the shown in

the image.

Note: One additional Ring Terminal is

required for the Earth Coupling Wire

2.5m / 100 Inches Wire.

In case of doubts on how to perform

this step correctly, please refer to

video reference on Page 3, from the 4

minute and 10 seconds mark.

9

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Wiring the Grounding Harness to Laser Module

Step #1

Use Phillips Screw Driver to remove the top left screw from

the Laser Module.

Step #2

Guide the screw through the single wire strand Ring

Terminal and slide it back into the Laser Module.

Use your Phillips Screw Driver to tight back the screw into

the Laser Module.

Warning: Do Not Over Tighten.

Step #2 (Simplied Grounding Method)

Wrap tightly the single wire strand, in a clock wise direction

around the top left screw of the Laser Module.

Use your Phillips Screw Driver to tight back the screw into

the Laser Module.

Warning: Do Not Over Tighten.

Note:

Guide ground wire towards the back of the Ortur Laser Master 2.

Aim for the direction of the X Stepper Motor Connector

Step #1 (Simplied Grounding Method)

Loosen the top left screw without fully removing it.

Cable Ties / Zip Ties Removal

Step #1

Carefully use your Wire Cutters to cut and

remove the cable ties highlighted with the 4

boxes in the image.

Make sure this process is done carefully,

in order to avoid damaging Ortur Laser

Master 2 main Harness.

10

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Wiring the Grounding Harness to Y Axis Carriage Assembly

Step #1

Use Phillips Screw Driver to remove the right most screw

from the Y Axis Acrylic Bracket.

Step #2

Guide the screw through the dual wire strand Ring

Terminal and slide it back into the Y Axis Acrylic Bracket.

Use your Phillips Screw Driver to tight back the screw into

the Y Axis Acrylic Bracket.

Warning: Do Not Over Tighten.

Step #2 (Simplied Grounding Method)

Wrap tightly the dual wire strand, in a clock wise direction

around the right most screw of the Y Axis Acrylic Bracket.

Use your Phillips Screw Driver to tight back the screw into

the Y Axis Acrylic Bracket.

Warning: Do Not Over Tighten.

Note:

Guide ground wire towards the bottom of the Ortur Laser Master 2.

Aim for the direction of the Y Stepper Motor Connector

Step #1 (Simplied Grounding Method)

Loosen the right most screw without fully removing it.

Wiring the Grounding Harness to Ortur Frame

Step #1

Use Phillips Screw Driver to remove the left side screw of

the Motherboard Mount.

Step #1 (Simplied Grounding Method)

Loosen the left side screw of the Motherboard Mount.

11

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #2

Guide the screw through the short wire strand Ring

Terminal and slide it back into the Motherboard Mount.

Use your Phillips Screw Driver to tight back the screw into

the Motherboard Mount.

Warning: Do Not Over Tighten.

Step #2 (Simplied Grounding Method)

Bend the short wire strand in a wide U shape. Loop the U

shape around left side screw of the Motherboard Mount.

Use your Phillips Screw Driver to tight back the screw into

the Motherboard Mount.

Warning: Do Not Over Tighten.

Note:

Guide ground wire towards the left of the Ortur Laser Master 2.

Aim for the direction of the limit switch.

Wiring the Grounding Harness to Y Limit Switch

Step #1

Press down on the Y Limit Switch to hold it in place and pull

the Black Wire connector until it slides out.

Note: Depending on your original wiring, the position of

the black wire might be dierent from shown in image.

Make sure however you remove Black wire connector.

Step #2

Hold the short grounding wire on the side of the Y Limit

Switch connector.

Use the Y Limit Switch connector as a ruler to prepare to cut

the Speaker Wire Filament to length.

12

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #3

Use your Wire Cutters to cut and Speaker Wire Filament to

length the same length of the Y Limit Switch connector.

This dimension is not critical but should be roughly 5mm or

0.2 inches.

Step #4

Guide Ground Wire under the remaining Y Limit Switch

wire.

This will allow cable managing to be easier on the future

steps and facilitates Step #5 and Step #6

Step #5

Insert Ground Wire lament fully into

the black Limit Switch connector.

Proceed by bending the Ground Wire

on itself or 90º.

Step #6

Guide the Limit Switch connector back to its original

position.

Press down on the Y Limit Switch to hold it in place and

slide the Black Wire connector until it is fully inserted.

Step #7

Although polarity on Y Limit Switch isn’t relevant for this

application, in case of doubt ensure:

Hinge terminal (marked 1) of Limit Switch = Red Wire

Centre terminal (marked 3) of Limit switch = Black Wire

Terminal (marked 2) of Limit switch = Unused

13

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Wiring the Earth Wire to Ortur Chassis / Frame

Step #1

Use Phillips Screw Driver to remove

the Left side screw from the Ortur

Laser Master 2 Frame.

Step #2

Guide the screw through the Earth Coupling Wire Ring

Terminal and slide it back into the Ortur Laser Master 2

Frame.

Use your Phillips Screw Driver to tight the screw rmly back

into the Ortur Laser Master 2 Frame.

Cable Management - Harnesses Combining

Step #1

Hold Ortur Laser Master 2 Cable Harness rmly.

Pull back the Plastic Cables Protector whole holding the

connectors near the Laser Module until around 10cm or 4

inches of cables are exposed

Step #2

Open and clip your Ortur Cable Tool around the exposed

wires. Make sure all wires are combined:

-X Stepper Motor wire

-Laser Module Wire

-Ground Wire

14

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #3

Guide Plastic Cables Protector over

the Ortur Cable Tool.

Slide the Ortur Cable Tool through

the full length of the Plastic Cable

Protector.

Note:

Steps #1 to #3 should be repeated on the Ortur Laser Master 2 Cable Harness that

links the Y stepper Motor location and the Motherboard.

In case of doubts on how to perform these step, please refer to video reference

hyper-link on Page 3, from the 14 minute mark.

Cable Management - Cable Ties

Step #1

Slide an 2mm Zip Tie/ Cable Tie through the small hole

in the acrylic plate and tie down the New combined Cable

Harness rmly. Cut the excess Cable Tie with Wire Cutter.

Once done, Check that Laser Module and Stepper Motor

connectors are fully and rmly seated in.

Step #2

Slide the two 2mm Zip Tie/ Cable Tie through the small holes

in the acrylic plate and tie down the New combined Cable

Harness rmly. Cut the excess Cable Tie with Wire Cutter.

Once done, Check that Pinboard and Stepper Motor

connectors are fully and rmly seated in.

Step #3

Slide an 2mm Zip Tie/ Cable Tie through the small holes

in the acrylic plate and tie down the New combined Cable

Harness rmly. Cut the excess Cable Tie with Wire Cutter.

Once done, Check that all connectors are fully and rmly

seated into the Ortur Motherboard.

15

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Multimeter Continuity Test - Optional Step

Step #1

Turn on your Multimeter and set it into

Continuity mode.

The setting to be used might dier from

brand to brand but is usually indicated

by the sign in the image on the Right

Step #2

Touch the Top Left screw on the Laser Module (5) with one

of the Black Multimeter Probe.

With the Red Probe Touch all the below identied points.

Grounding Procedure will be conrmed successful if

Multimeter Beeps on each probe test.

1 - Ortur Frame - Earth Ground Point

2 - Right most Y Axis Acrylic Bracket

Screw

3 - Y Limit Switch - Black Wire

4 - Ortur Motherboard USB Shell

5 - Laser Module

16

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Coupling Ortur Laser Master 2 to Earth

With the Grounding procedure complete, and now that the whole components of

Ortur Laser Master 2 are connected and grounded, the last step is to ground the

whole machine to Electrical Ground/Earth.

There are multiple ways to achieve this goal. However, with user safety in mind

we recommend that a ESD Ground Coupling Plug be used. (Please refer to the

Supplies List for information. Ensure the ESD Ground Coupling Plug is the Post

variety)

These ESD Ground Coupling Plug allow connection to the Mains Electrical Grid

without any electrical hazard as the Live and Neutral connections are Plastic.

Only the connector to Ground/Earth is conductive metal.

Below a diagram of the Ground Coupling connection between Ortur Laser

Master 2 and Several Regional ESD Ground Coupling Plug.

Important to note, each world Region; UK, US, EU has its own wall plug variant,

therefore the right type of ESD Ground Coupling Plug is required for your

particular Region.

17

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Advanced Grounding Method

Ortur Laser Master 2 Grounding Advisory

Stranded Speaker Wire - REQUIRED

Gauge: 0.5mm - 22AWG

Length : 5 Meters - 15 Feet

Search Terms:

USA - speaker wire 22 gauge 15 feet

EU/UK- speaker wire 0.5mm 5 meter

Supplies Requirements

Tool Requirements

Wire Cutters - REQUIRED

Search Terms:

USA - Flush Wire cutters

EU/UK- Flush Wire cutters

Phillips Screw Driver - REQUIRED

Search Terms:

USA - Phillips Screw Driver

EU/UK- Phillips Screw Driver

Micro Screwdriver 1mm - REQUIRED

Search Terms:

USA - Micro Screwdriver 1mm

EU/UK- Micro Screwdriver 1mm

Single Core Wire- REQUIRED

Gauge: 0.25mm - 30AWG

Length : 30 cm - 1 Feet

Search Terms:

USA - single core wire 30awg

EU/UK- single core wire 0.25mm

18

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #1

Unroll Single Core Wire.

Use the front cover of your Ortur Laser Master 2 as a ruler.

Measure and cut Two strands of 11cm / 4 Inches of Single

Core Wire.

Step #2

Unroll Single Core Wire.

Use the front cover of your Ortur Laser Master 2 as a ruler.

Measure and cut a strand Half the length. 5cm / 2 Inches of

Single Core Wire.

Single Core Wire Insulation Stripping

Step #1

Use your Ortur Laser Master 2 aluminium extrusion as a

ruler and measure HALF its Thickness, or 1 cm / 0.3 Inches

on the end of each side of the strand of Single Core Wire.

This step must be repeated on all strands.

Step #2

Use your Wire Stripper Tool or the Wire Cutter to Remove

1cm / 0.3 Inches of the wire insulation from the end of each

Single Core Wire strand.

This step must be repeated on all strands.

Single Core Wire Cutting

19

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrouding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Wiring the Grounding Harness to Laser Module

Step #1

Unplug Laser Cable from Laser Module.

Identify in the white connector the Ground Wire

GRD - Black Wire

Step #2

Using the Micro Screwdriver, gently press the metal latch on

the back of the connector in order to release the metal pin.

Please note that this is a delicate operation and needs to be

performed with care, to avoid connector damage.

Step #3

Using the Micro Screwdriver, gently guide the pin back and

remove it from the plastic connector enclosure

Step #4

Wrap the stripped end of the 5cm/2 Inches Single Core Wire

around the Ground metal connector, making sure is rmly

connected.

Although outside the scope of this guide, a small solder point

on this connection of the wires would be preferable.

Step #5

Gently slide back the metal pin into the plastic connector.

With the help if the Micro Screwdriver conrm the metal

latch identied on Step #2 is engaged.

Conrm by gently pulling the metal pin is fully secure inside

the connector and is at no risk of sliding out.

20

Dongguan Ortur Intelligent Technologies Co., Ltd.

https://ortur.tech/orturgrounding

No. 56 Maxin Road, Changping Town, Dongguan 523565, Guangdong Province, China

Step #7

Gently slide back the metal pin into the plastic connector.

With the help if the Micro Screwdriver conrm the metal

latch identied on Step #2 is engaged.

Conrm by gently pulling the metal pin is fully secure inside

the connector and is at no risk of sliding out.

Step #6

Connect Laser Cable back into Laser Module.

Use the Phillips Screw Driver to lightly unscrew one of the

closest screws on the Laser Module Acrylic plate.

Loosen this crew enough to be able to slide Single Core

Wire underneath.

Step #8

Wrap tightly the Single Core Wire, in a clock wise direction

around the top left screw of the Laser Module.

Use your Phillips Screw Driver to tight back the screw into

the Laser Module.

Warning: Do Not Over Tighten.

Wiring the Grounding Harness to Pinboard V3

Step #1

Unplug Connector from Pinboard V3.

Step #2

Identify the Connector that represents the GRD wire

Do note: GRD wire is the second from left to right,

when the Connector plastic latch is facing down.

Imperative to identify the correct wire

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ORTUR B08CBV9FQ2 User manual

ORTUR B08CBV9FQ2 User manual

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