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[DIY-Cable] PLC “LS/LG” Programing Cable

Creating Your Personal LS/LG PLC Programming Cable: A Comprehensive Step-by-Step Manual


Programming cables are indispensable tools when it comes to configuring and communicating with programmable logic controllers (PLCs).

In this guide, we will walk you through the process of creating your own LS/LG PLC programming cables for various series, including COM DB-9 Female, COM DB-9 Male, Mini DIN 6 Pin Male (PS/2 Jack, which you can repurpose from an old mouse port), Master-K/Glofa Series Programming Cable, and XGB/XGT/XBT/XBM Series Programming Cable.

By following these steps, you can save money and have the flexibility to customize your cables to meet your specific requirements.

Materials Required:

To create your own LS/LG PLC programming cables, you will need the following materials:

[DIY-Cable] PLC “LSLG” Programing Cable1
  1. COM DB-9 Female Connector
  2. COM DB-9 Male Connector
  3. Mini DIN 6 Pin Male Connector (PS/2 Jack from an old mouse port)
  4. Master-K/Glofa Series Diagram Programming Cable
  5. XGB/XGT/XBT/XBM Series Diagram Programming Cable
  6. Soldering Iron and Soldering Wire
  7. Heat Shrink Tubing
  8. Wire Strippers and Cutters

Step-by-Step Guide:

Follow these steps to make your own LS/LG PLC programming cables:

[DIY-Cable] PLC “LSLG” Programing Cable1
  1. Prepare the Cables:
    • Start by cutting the Master-K/Glofa Series Diagram Programming Cable to your desired length.
    • For the XGB/XGT/XBT/XBM Series Diagram Programming Cable, also cut it to the desired length.
  2. Identify the Pinout:
    • Refer to the pinout diagrams provided for both cable types to ensure you connect the correct wires to the connectors.
  3. Solder the Connections:
    • Strip the insulation from the cable ends to expose the wires.
    • Connect the wires to the appropriate pins on the COM DB-9 Female Connector and COM DB-9 Male Connector.
    • For the Mini DIN 6 Pin Male Connector (PS/2 Jack), connect the wires as indicated in the diagram.
  4. Insulate the Connections:
    • Slide heat shrink tubing over the soldered connections.
    • Apply heat to the tubing to shrink it, insulating and protecting the soldered joints.
  5. Test the Cables:
    • Before using the cables with your LS/LG PLC, perform a thorough test to ensure they work correctly.
  6. Connect to the PLC:
    • Plug the appropriate end of the cable into the corresponding communication port on your LS/LG PLC.
  7. Software Configuration:
    • Install the required software or drivers for communicating with LS/LG PLCs on your computer.
    • Configure the software to use the appropriate COM port to which your cable is connected.

Different Cable Types:

[DIY-Cable] PLC “LSLG” Programing Cable1

  1. COM DB-9 Female and COM DB-9 Male:
    • These connectors are commonly used for RS-232 serial communication with LS/LG PLCs.
    • Ensure that you have the correct pinout information to create the cable for your specific PLC model.
  2. Mini DIN 6 Pin Male (PS/2 Jack):
    • You can repurpose an old PS/2 mouse port for this connector, making it a cost-effective choice.
    • Follow the pinout diagram provided for your PLC model.


Creating your own LS/LG PLC programming cables is a practical and economical solution for interfacing with your PLCs. By following the steps outlined in this guide and referencing the provided pinout diagrams, you can craft cables tailored to your needs. Whether you’re working with the Master-K/Glofa Series or the XGB/XGT/XBT/XBM Series, this DIY approach allows you to have reliable and customizable cables for programming and communication with your LS/LG PLCs.

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