Reference Wiring

RS232 ID of the Toolboard

Notes

Important Preparation

1. Firmware Requirement:
   The toolboard must be flashed with RS232 firmware, otherwise communication is not possible.
2. Common Ground Required:
   ⚠️ Before connecting the toolboard, ensure that the toolboard and mainboard share the same GND (this can be achieved by using the same 24V/12V power supply)

RS232 Notes

• In addition to D8, D8PRO, and C8P, which support the RS232 interface, all other mainboards do not support RS232
• For unsupported mainboards, use G2T or UTOR to connect. This tutorial uses UTOR for connection

Search for RS232 ID

1. Open your browser and enter the IP address of the host computer in the address bar. For example, if the IP address of my host computer is 192.168.101.179, simply enter it and press Enter.

2. Open the host computer's web interface and locate the following in the configuration options on the left sidebar:

For fluidd: {…}, click into it to find printer.cfg

For mainsail: Machine, click into it to find printer.cfg

3. After entering printer.cfg, click DEVICES in the upper right corner

4. Click SERIAL and then refresh

   Refresh for fluidd

   Refresh for mainsail

5. Copy the ID. Click as indicated by the arrow to copy

   Check for ttyUSB in fluidd and ensure that Path_by_hardware exists; this is the RS232_ID

   Check for ttyUSB in mainsail and ensure that Path_by_hardware exists; this is the RS232_ID

   Note

   • When connecting the toolboard using UTOR, there are usually two RS232_IDs. Try them one by one.

Enter the Toolboard RS232 ID

• Below is a reference configuration

  Note

  • toolboard in the configuration below refers to the name of the toolboard. If the name is different, replace it accordingly
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  [mcu toolboard]
  serial: <Replace this with the ID you just looked up>
  baud: 250000
  restart_method: command

  • To add the ID for the toolboard, it must be [mcu toolboard] followed by serial: and then the ID you searched for
  • Below is a reference configuration
  • Please note that this tutorial is for searching and configuring the toolboard ID. Under normal circumstances, it should already be connected to the mainboard
  • The mainboard must be [mcu], and the toolboard is [mcu toolboard]
  • Click SAVE & RESTART in the upper right corner to automatically save and restart klipper

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Note: All IDs appearing in the document are examples. Each mainboard's ID is different. Please enter the actual ID you obtained.

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The ID below is not usable !!!!!!

serial: /dev/serial/by-id/usb-1a86_USB_Serial-if00-port0

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