3.8 USB Function
General CNC programs are stored in the controller built-in solid state flash memory, the use of FTP protocol to transfer external CNC programs to the CNC controller for execution. If the built-in storage capacity of the controller is insufficient, the user can also use the USB storage device to expand the program storage space.
Most CNC controller is installed in electrical control box, user should not plug in and pull out USB flash memory disk frequently, to ensure the stability of USB flash memory disk as an extension of the memory, it is recommended to have USB flash memory disk place upon a USB slot. User can use FTP transmitting method, to transmit external CNC program to the USB, then executing the program.
- USB storage device use note:
1. |
USB flash memory disk must be in FAT32 format, first input the USB into the computer, after the computer screen show the device can be used, do the following: |
(1) |
Within the picture of USB flash memory disk press the right key, click 「format」. |
(2) |
Open「format unload disk」dialog box, select file system「FAT32」. |
2. |
The USB slot has limited power supply (≤ 0.15 A) and some USB devices require extra power to operate. |
3. |
The file name must use ".CNC" as the program name extension, and the program name can not exceed 8 English letters. The program name can be composed of English letters, numbers and -, _, etc. For example: TEST_123.CNC is the available. |
4. |
The CNC controller has two USB slots, but only the USB storage for one of the slots. |
5. |
When using FTP to transfer program to USB, user name and password of this level should be input according to safety level 1~3 as shown in the following table: |
USB transmitted file |
Account name |
Password |
Safety level 1 |
USB |
User password |
Safety level 2 |
USB-SYSTEM |
System password |
Safety level 3 |
USB-ADMIN |
ADMIN password |
When using USB account for FTP profile, USB connection can not be connected if the USB storage device does not exist. Do not remove the USB storage device in the FTP connection, otherwise it will cause program transfer error.