how to connect mettler toledo scale to computer

0000059000 00000 n 0000148102 00000 n 0000001825 00000 n Unfortunately that is not something that we would have a solution for. 0000007306 00000 n Serial ports found on the back of a PC will always be either 9-Pin Male or 25-Pin female. A Null Modem Adapter is a small connector that slips in line with the cable and crosses the transmit and receive lines. + Very inexpensive (less than 10 depending what software you use to read and convert the data). You could have each of the 10 scales sending data int the same workbook or into separate workbooks - whichever way you want. Would it be possible to do this using multiple scales with one PC? If your scale has a USB connection but does not come with a driver or if you fail to install the driver, then it will not be possible to read in data from the scale using off-the-shelf software tools (like the BC-Wedge software wedge) and you will need to contact the scale's manufacturer to find out what software tools they have that you can use. In my case it was node mtserver com5 19200 as my serial port was com5 and the baud I set the scales to was 19200. 0000007298 00000 n Once connected to the server it should display the OPCUA address space on the lower left hand side of the screen. 0000004911 00000 n Writing a 1 (or true) to this tag will send a command to the scales to Zero the scales. 0000151381 00000 n BC-Wedge works by tricking your PC into behaving as if the data coming in the COM port is coming in from a keyboard. Typically they are a 9 pin DSub connector but you sometimes find a 25 pin version as well. All of the Mettler Toledo scales use a communication protocol called MT-SICS (Mettler Toledo Standard Interface Command Set) which is detailed here. endobj In the next part I will discuss how I built the custom application and test it. 0000009262 00000 n There was an error retrieving our menu. V endstream endobj 68 0 obj 122 endobj 35 0 obj << /Type /Page /Parent 19 0 R /Resources 36 0 R /Contents [ 44 0 R 46 0 R 48 0 R 54 0 R 56 0 R 58 0 R 60 0 R 63 0 R ] /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 36 0 obj << /ProcSet [ /PDF /Text /ImageC /ImageI ] /Font << /F1 40 0 R /F2 38 0 R /F4 52 0 R >> /XObject << /Im1 61 0 R >> /ExtGState << /GS1 64 0 R >> /ColorSpace << /Cs6 39 0 R /Cs9 42 0 R >> >> endobj 37 0 obj << /Type /FontDescriptor /Ascent 718 /CapHeight 718 /Descent -207 /Flags 32 /FontBBox [ -166 -225 1000 931 ] /FontName /Helvetica /ItalicAngle 0 /StemV 88 /XHeight 523 /StemH 88 >> endobj 38 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 169 /Widths [ 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 584 584 584 556 1015 667 667 722 722 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 611 278 278 278 469 556 333 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 334 260 334 584 350 0 350 222 556 333 1000 556 556 333 1000 667 333 1000 350 611 350 350 222 222 333 333 350 556 1000 333 1000 500 333 944 350 500 667 278 333 556 556 556 556 260 556 333 737 ] /Encoding /WinAnsiEncoding /BaseFont /Helvetica /FontDescriptor 37 0 R >> endobj 39 0 obj [ /ICCBased 66 0 R ] endobj 40 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 252 /Widths [ 278 333 474 556 556 889 722 238 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 333 333 584 584 584 611 975 722 722 722 722 667 611 778 722 278 556 722 611 833 722 778 667 778 722 667 611 722 667 944 667 667 611 333 278 333 584 556 333 556 611 556 611 556 333 611 611 278 278 556 278 889 611 611 611 611 389 556 333 611 556 778 556 556 500 389 280 389 584 350 0 350 278 556 500 1000 556 556 333 1000 667 333 1000 350 611 350 350 278 278 500 500 350 556 1000 333 1000 556 333 944 350 500 667 278 333 556 556 556 556 280 556 333 737 370 556 584 333 737 333 400 584 333 333 333 611 556 278 333 333 365 556 834 834 834 611 722 722 722 722 722 722 1000 722 667 667 667 667 278 278 278 278 722 722 778 778 778 778 778 584 778 722 722 722 722 667 667 611 556 556 556 556 556 556 889 556 556 556 556 556 278 278 278 278 611 611 611 611 611 611 611 584 611 611 611 611 611 ] /Encoding /WinAnsiEncoding /BaseFont /Helvetica-Bold /FontDescriptor 41 0 R >> endobj 41 0 obj << /Type /FontDescriptor /Ascent 718 /CapHeight 718 /Descent -207 /Flags 262176 /FontBBox [ -170 -228 1003 962 ] /FontName /Helvetica-Bold /ItalicAngle 0 /StemV 140 /XHeight 532 /StemH 140 >> endobj 42 0 obj [ /Indexed 39 0 R 255 65 0 R ] endobj 43 0 obj 1022 endobj 44 0 obj << /Filter /FlateDecode /Length 43 0 R >> stream Most scales can also be configured to output data at stability so you could data go into the workbook automatically when the scale stabilizes.Basically, you can make it work whatever way you want. Miscellaneous Custom Data Entry Form Templates, Tell us why you rated the content this way. 0000009323 00000 n First step is to connect the RS232 convertor into the scales and connect it to your computer (Im using a windows based PC but this will work on a Mac or Linux machine as well). Now that its configured and connected you can use any terminal program you have access to, for example Hyperterminal. Mettler Toledo XPE204 (though all newer Mettler Toledo Balances should work). You will need to know the Baud Rate, the Parity setting, the number of Data Bits, and the number of Stop Bits. 3 years ago. For example at 19200 bits/s the maximum cable length is 15M, at 9600 bits/s its 30M. If your scale uses a USB connection or if you are using a RS232 to USB converter, you will need to determine the COM port number that the device is connected to. 0000007092 00000 n 0000008020 00000 n 0000007872 00000 n Of the 3 options I have presented, my personally preference based on scalability, reliability, security and supportability would have been the official Mettler Toledo hardwarebut since it follows the OPC Weighing Companion Specification which exposes the weight values as attributes to a tag it is not supported by DMC. All of the Mettler Toledo scales use a communication protocol called MT-SICS (Mettler Toledo Standard Interface Command Set) which is detailed here. Share it with us! Mettler Toledo MS204S Operating Instructions Manual (120 pages), Conventions and Symbols Used in These Operating Instructions, Selecting the Location and Leveling the Balance, Application "Formulation" (Net Total Formulation), Application "Multiplication Factor Weighing, Cleaning the Glass Draft Shield (0.1 Mg and 1 Mg Models), Balances with Readability of 0.1 Mg, S Platform with Draft Shield, Balances with Readability of 1 Mg, S Platform with Draft Shield, Balances with Readability of 0.01 G, S Platform, Balances with Readability of 0.1 G to 1 G, S Platform, Balances with Readability of 0.1 G to 1 G, L Platform, Balances with Readability of 2 G to 5 G, L Platform, Balances with Readability of 0.1 G to 5 G, L Platform, Mettler Toledo MS204S Operating Instructions Manual (112 pages). Search for Bench Scales and Portable Scales Specific Services. For productive use I would always consider using a commercially available SDK as this will include support or use an open source project that has a support option available. 0000085565 00000 n Note: If your scale connects directly to a USB port or if you are using a RS232 to USB converter, make sure that the scale or the converter is connected to the PC and that it's device driver is installed before looking in the Device Manager. on Step 2. You can elect the settings under windows withStart - Control Panel - NetworkConnections. 0000002770 00000 n So, as mentioned in part 1 I am going to use a RS232 to USB convertor. Please reload the page. 0000160295 00000 n Connect your Balance RS232 port to your PC RS232 (if you do not have an RS232 port on your PC you can use a RS232 to USB adapter). This leaves one choice which is the RS232 to USB convertor. 0000006700 00000 n Another Question: I I were to use 10 scales would each one input its values into a separate excel sheet or could I make them put all of the data in one sheet? 0000161054 00000 n Amazon.com, CablesToGo.com or any office supply store should have what you need. 0000149887 00000 n 0000164531 00000 n 0000010401 00000 n 0000147439 00000 n Cost I really struggled to come up with a negative about this approach based on the documentation but out of the 3 options it will be the most expensive. This video shows you step by step how to connect the converting cable to the balance and which one-time settings have to be made on the balance in order to successfully communicate via RS232.Analytical Balances - https://www.mt.com/global/en/home/products/Laboratory_Weighing_Solutions/Analytical/Excellence.html?cmp=smo_GLO_YT_LAB_OTH_Youtube_LAB_RYQp90VJqYUPrecision Balances - https://www.mt.com/global/en/home/products/Laboratory_Weighing_Solutions/Precision_Balances.html?cmp=smo_GLO_YT_LAB_OTH_Youtube_LAB_RYQp90VJqYU0:26-connect RS-232 0:59-activate MT-SICS via USB 1:12-open a standard terminal program The steps below will show you how to connect your scale to a PC and identify what port the scale is connected to and also how to input weight readings directly into Microsoft Excel. Must be executable on multiple operating systems with low hardware requirements as ultimately I would like it to use a low cost Raspberry PI. Sjw{3#X3(?._z FpU+Qv43UU%5H'=/iT~)%U-N2Y/>b{]Mzg#>4BZ"ezO*S}dpN \'6xN ;~o}i$\|2~0% 0000006858 00000 n I have modified the original blog to highlight that this means its not currently supported by DMC but also added it here incase you had already read part 1. 0000004156 00000 n You can learn about other features available in the BC-Wedge program by selecting Help - Index from the BC-Wedge main menu. No user comments available for this article. 0000007239 00000 n Most scales will typically connect to a PC using a Null Modem cable however there are exceptions. Images and further details of this device can be seen here Mettler Toledo ACI400 IIOT Edge Device. Thefollowing screen shots show the settings for theInternet Protocol TCP / IP. 0000006156 00000 n If you have multiple accounts, use the Consolidation Tool to merge your content. So we have now proven that the hardware is working and that we can communicate with the scales and receive responses. Push the tray in from the front over the bottom plate as far as the partition. 1. We do this by double clicking on the word false in the Zero tag display in UAExpert. Because of this, you should be able to send weight values directly into any program that you can type data into - including database programs, shipping software, or just about any other Windows program. The OPC UA SDK must be open source as I have no budget to buy a commercial one. If not, you can purchase cables in any configuration or length that you want. All procedure steps, from connecting the balance to a PC via USB to configuring the balance for the weighing result transfer via HID are explained step-by-step in the video.https://www.mt.com/global/en/home/products/Laboratory_Weighing_Solutions/Analytical/Excellence.html?cmp=smo_GLO_YT_LAB_OTH_Youtube_LAB_orCiJL8qBtw0:23 - Open excel 0:37 - Use export function on XPR balance 1:03 - Set up automatic weight value transfer <>>> See Test Active Scale Window Overview. Did you make this project? 0000003172 00000 n I.e., before running the Admin program, right-click on the Admin Program and select the Properties option. (optional). 0000010457 00000 n You can also have data go into the workbook(s) when you want. 0000007811 00000 n 0000009201 00000 n "The parallel port is a 25-pin female (socket) connector. Note: You do not have to change any serial communications parameters in the Windows Device Manager. The USB ports on a PC are always Type A USB ports therefore if your scale has a Type B USB port, you would need to get a USB cable that has a Type A connector on one end and a Type B connector on the other. XPR and XSR balances from METTLER TOLEDO can be easily connected to any RS232 interface, whether it is an analytical instrument, such as a titrato or a PC, using an additional USB to RS232 converting cable. 0000148572 00000 n %PDF-1.4 % 0000006135 00000 n 0000149410 00000 n If no data appears after you press the print button then you may have the wrong COM port selected. 0000006411 00000 n Please refer to the operators manual for your specific scales to find out how to do this. 0000008081 00000 n The tag is automatically reset to 0 (false) by the software. 0000002035 00000 n stream They are sold by lots of manufacturers such as Moxa and BrainBoxes , you can also find lots of cheaper alternatives on ebay etc. TALtech has a full line of Software Wedge products that have much more advanced features than what are available in the BC-Wedge program. 0000005584 00000 n Here's some additional info that may be useful: Open PowerShell and run the following: Get-CimInstance -Namespace Root\Cimv2 -Query "Select * From Win32_SerialPort Where Name like '%COM%'" Get-CimInstance -Namespace Root\Cimv2 -Query "Select * From Win32_SerialPortConfiguration" 0000007077 00000 n 0000014994 00000 n Now highlight all of the tags exposed by the server and drag them into the middle of the screen (this is the Data Access View). They are not serial ports and cannot be used to communicate with a scale. Select File > Add Folder To Workspace and select the folder you just created. Table of Contents. trailer << /Size 69 /Info 31 0 R /Root 34 0 R /Prev 115058 /ID[<8912bf146047dd56e8698979889e3003>] >> startxref 0 %%EOF 34 0 obj << /Type /Catalog /Pages 19 0 R /Metadata 32 0 R /JT 30 0 R /PageLabels 18 0 R >> endobj 67 0 obj << /S 60 /L 136 /Filter /FlateDecode /Length 68 0 R >> stream The first thing to check is that COM 5 is set as the port for the Mettler Toledo 8213 in PostalMate. In the example, the first S means that its a weight and the second S means that it is stable. 0000001613 00000 n 2 Insert the drip tray (2). <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Through tailored configuration of your equipment, we can optimize its performance and functionality with: Literature: White Papers, Guides, Brochures. trailer << /Size 377 /Info 258 0 R /Encrypt 261 0 R /Root 260 0 R /Prev 491817 /ID[<067304a661481a37c2ebbc4d92b24607>] >> startxref 0 %%EOF 260 0 obj << /PageMode /UseOutlines /ViewerPreferences << /CenterWindow true >> /Names 263 0 R /Outlines 265 0 R /Metadata 257 0 R /Pages 249 0 R /PageLayout /SinglePage /OpenAction 262 0 R /Type /Catalog >> endobj 261 0 obj << /Filter /Standard /R 2 /O (A[Q]w]xa;Z&K. The same procedure applies to all types of peripheral devices (printer, auxiliary display, etc. 3 0 obj 0000015578 00000 n depends on the manufacturer and the device, for Mettler-Toledo devices it is called"SPP data". If your scale comes with a cable, then that would be the best one to use. 0000006351 00000 n Typically they convert the serial messages into unsolicited TCP socket messages which are supported by PCo but not by DMC. SAP Digital Manufacturing Cloud now supports process industry scenarios as well as discrete industry scenarios, in the 2111 release it is planned (Subject To Change) to release a weigh and dispense capability, so what does that mean when it comes to machine integration? 0000163767 00000 n 0000001385 00000 n The Test Active Scale window appears and displays the status of the scale connection and the weight registered by the scale. 0000137623 00000 n This software (free from Mettler Toledo tech support) will allow you to connect your balance to your PC via a Com Port. The tag is automatically reset to 0 (false) by the software. In order for your PC to communicate with your scale, the settings that you select in the BC-Wedge software must exactly match the settings that your scale uses. A Null Modem Adapter will convert a Null Modem Cable to a Modem Cable and a Modem Cable to a Null Modem cable. 33 0 obj << /Linearized 1 /O 35 /H [ 1172 234 ] /L 115846 /E 18406 /N 5 /T 115068 >> endobj xref 33 36 0000000016 00000 n You should now see the server in the list of servers in the top left hand side of the screen, now click the connect Icon to connect to the server. 0000001067 00000 n Reply 4 years ago. An expert configuration, based on your process requirements, enables you to achieve consistently reliable results. 0000005873 00000 n These statements are incorrect:" Serial ports found on the back of a PC will always be either 9-Pin Male or 25-Pin female. I tested the OPC UA server using UAExpert from Unified Automation. If everything is working correctly, you should see the weight value appear in Excel. Download and install the Mettler Toledo SerialPortToKeyboard (as of March 2017 can be found here ). 0000010031 00000 n 0000014855 00000 n Important Note: If your scale has a USB connector then it should come with a device driver that you will need to install in Windows in order for the scale to show up as a standard COM port in Windows. Requires custom software on the computer. 0000008786 00000 n The parameters that you select in the BC-Wedge software (or any other software) will always override any parameters set in the Device Manager. Finally type node mtserver replacing PORT and BAUD with your values. This tag shows the unit of measure for the Tare Weight. 0000009824 00000 n ). A serial device server is a small piece of hardware that allows you to connect a RS232 / 422 / 485 device and connect it to your network. 2 I am using Mike O Brien's HID Library to connect to digital scale, Device opens successfully then displays device attached & removed messages perfectly. Also, you want to make sure the cable is connected correctly to . The very best way to do this is to either look in the scale's user's manual or contact it's manufacturer. 0000009089 00000 n The scales respond with a message that has the correct value and unit of measure in it. Parallel ports on a PC are generally only used for connecting to a printer. This box is actually a rebranded fanless PC running embedded Windows 10 with custom software. 0000004569 00000 n 0000010564 00000 n This will download the finished server from my github repository into your directory. 0000004687 00000 n 0000165014 00000 n Must be simple to program as Im not a developer. These commands are split into 4 levels (0,1,2 and 3), according to the documentation all scales support level 0 and 1 commands whilst newer and more advanced scales also support levels 2 and 3. This will display the window shown above where you would enter the communications settings. Since the majority of scales I have come across in factories (and the set of scales I have sitting on my desk) only have RS232 ports Im going to concentrate purely on RS232. Sockets are not secure and are easy to spoof. Sometimes this device driver is supplied on a CD that comes with the scale and sometime you need to download the driver from the manufacturer's web site. Contact Mettler Toledo Tech Support for help connecting. Writing a 1 (or true) to this tag will send a command to the scales to read the Stable Weight, this means that the scales will wait until the weight has stabilized before sending the data. 0000007137 00000 n 0000002956 00000 n See the attached document for information how to reset the scale to factory settings. This tag displays the weight send by the scales (Stable or Dynamic). This is the RS232 port of my Mettler Toledo scales. Download and install the Mettler Toledo SerialPortToKeyboard (as of March 2017 can be found here). One way to make sure that you have all your options covered is to purchase a "Null Modem Adapter". The best ones use either FTDI or Prolific chipsets. Mettler Toledo Balances that support the "METTLER TOLEDO Standard Interface Command Set" (MT-SICS) are able to enter results into a Custom Data Entry cell via Mettler Toledo's Serial Port to Keyboard Software. In this example, we will use a product called BC-Wedge from TAL Technologies, Inc.. Cxr+I"i Mettler Toledo MS204S Operating Instructions Manual (112 pages) NewClassic Balances. Now configure the scales so that the interface is in Dialog mode and not Print mode, this allows the scale communicate using the RS232 interface rather than only sending data when the print button is pressed. Modem cables have the wires in the cable running straight through and Null Modem cables have the transmit and receive lines crossed in the cable. 5 years ago. 0000005991 00000 n 0000009919 00000 n hii'm trying to connect the weighing machine to the phone using a bluetooth and shows a result on the phone . The PS range of scales from Mettler Toledo (PS90, PS60, PS30, PS6L, PS3L) supports a USB connection. Is it worth it?? Lets look at the positive and negative points (Note I havent had the opportunity to actually use or review this hardware), + Its designed by Mettler Toledo so it should work with all models (and if it doesnt you only have one company to shout at). The scales correctly responded with a serial number of 2422747, all good so far. Thanks for reading this blog, the next one will be released soon. 0000007555 00000 n 0000045735 00000 n Leave the software running. Typically the driver is provided on a CD with the cable and you normally install the driver first before you connect the cable to your PC for the first time. 0000116901 00000 n Q14444 - INFO: Interfacing to Mettler Toledo Balances. Some of the more expensive and capable scales also support a communication command set called Shared Data Server (SDS) but for this blog I will only cover MT-SICS as its the most wide spread. Many thanks in advance, Technically we don't have a free version but if you can give me a good description of what you need to do along with a good sob story about why you need it for free, we might be able to do something for you.You can contact me directly at tom@taltech.com. The proper setup and configuration of your equipment ensures that you leverage its full capabilities with: Leverage the expertise of an authorized METTLER TOLEDO Service Technician to configure your scale system to perform at its best. 0000007691 00000 n 0000005690 00000 n 0000007499 00000 n Is there a free version of this software available for an undergraduate research work? 4.4 Assembling the Balance 1 Remove the transport protection (1). 0000001172 00000 n '_",9whdR[ The tag is automatically reset to 0 (false) by the software. ReadWeightImmediate Read Write Boolean, ReadWeightImmidiateRepeat Read Write Boolean, SerialPortConnected Read Only Boolean. All RS232 to USB converter cables require a driver to be installed in Windows in order for the cable to work. Requires a PC / MAC / Raspberry Pi to be located close by. If you like, you can send me a screen shot of the data to tom@taltech.com and I would be happy to try to help you. 0000008490 00000 n This value is the raw character string returned by the scales. You would need WinWedge for multiple scales. Through tailored configuration of your equipment, we can optimize its performance and functionality with: Application configuration to optimize applications; Data setup to ensure your data is properly loaded at startup 0000071847 00000 n %PDF-1.3 % 2. Creating a Stylish Triangular Pixels LED Clock Using WS2812 Leds and Wemos D1 Mini Module. 0000009028 00000 n 0000022290 00000 n 0000002730 00000 n Leverage the expertise of an authorized METTLER TOLEDO Service Technician to configure your scale system to perform at its best. 0000007358 00000 n These commands are split into 4 levels (0,1,2 and 3), according to the documentation all scales support level 0 and 1 commands whilst newer and more advanced scales also support levels 2 and 3. 0000008664 00000 n 0000148697 00000 n It is more common for a scale to have either a 9-Pin male connector or a 25-Pin female connector. Select with the right mouse button the settings for the network interface card. The general procedure used to configure and activate a connection between the XP/XS balance using RS232 Option and a RS232 peripheral device is described briefly below. In the next blog we will configure DMC to connect to the scales and create some production processes that allow us to display the data in a dashboard and send commands from a POD. 0000071871 00000 n Connecting a Mettler Toledo analytical balance/scale to a PC through RS232 Disclaimer: I've already read this 3-year-old post I'm trying to use a Mettler Toledo AB204-SRS connected to an old WinXP PC (although I could always install Debian on it and work more confortably) through the serial port. We firstly need to write a 1 (true) to the Zero tag and then write a 1 (true) to the ReadWeightImmediateRepeat tag. 0000022314 00000 n 2. Step 3: RS232 to USB Converter Cables If your scale has a RS232 port but your PC only has USB ports, you can purchase a RS232 to USB converter cable at any computer or office supply store for under $25.00. Writing a 1 (or true) to this tag will send a command to the scales to read the Immediate weight regardless if it is stable or not. Repeat this for the ReadWeightImmediateRepeat tag and place something onto your scales and you will see the Weight tag increase in value. I have also contacted the appropriate product owners in SAP and support will be added to the development back log so watch this space. Use your balance and send data (depending on settings of your balance data may automatically get sent). In WIMS, open your TSS Benchsheet Custom Data Entry form. You can learn more at: www.taltech.com/winwedge For the purpose of this tutorial, BC-Wedge should work just fine. 0000163896 00000 n 0000010745 00000 n 0000004485 00000 n 0000116877 00000 n Change directory to the MettlerToldeoOPCUA directory that was created during the cloning. Writing a 1 (or true) to this tag will send a command to the scales to reset the scales, the scales will reply with the serial number of the scales. The best ones use either FTDI or Prolific chipsets. My personal set of requirements for this software are as follows: Because of these requirements I selected an open source javascript library called Node-OPCUA that is executed using NodeJS and used Visual Studio Code as my development environment. 0000004972 00000 n <> Take a balance and a scale to the moon with a 1kg mass. 0000008967 00000 n Alerting is not available for unauthorized users. 0000102583 00000 n <> Turn to factory-trained experts for professional installation of industrial bench scales and portable scalesto ensure proper operation from day one. If you are reading this statement then thank you for taking to time to read all the the way to the end. + Low cost (approx 30 100 depending on brand). 0000006225 00000 n Alerting is not available for unauthorized users, OPC UA Companion Specification for Weighing, Use a RS232 to USB adapter and connect it to a PC/MAC/Raspberry PI. If your scale has a RS232 port, it will usually be located on the back of the scale and it should look like one of the ports shown above. Connect your Balance RS232 port to your PC RS232 (if you do not have an RS232 port on your PC you can use a RS232 to USB adapter).

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