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mycnc:mycnc_et7 [2019/06/14 12:57]
ivan
mycnc:mycnc_et7 [2019/09/20 12:26] (current)
ivan
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 {{hardware:​et7:​et7-rs485.png}} {{hardware:​et7:​et7-rs485.png}}
  
-RS422 connector pinout shown below +RS422 connector pinout shown below. **NOTE**: While all of the RX/TX ports (RX A, RX B, TX A, TX B) are used for the RS422 connection (such as a Hypertherm machine), only RX A and RX B are utilized in an RS485 configuration.  
-{{:hardware:​et7:​et7-b-rs422-connection-001.jpg}}+ 
 +{{:mycnc:​et7-b-rs422-connection-002-rs485-connections.jpg}} 
  
 ==== DAC output ==== ==== DAC output ====
Line 161: Line 163:
  
 ==== Connection Examples ==== ==== Connection Examples ====
 +
 +===Stepper driver connection (4 axes)===
 +
 +{{:​mycnc:​et7-stepper-driver-001.jpg}}
 +
 === 3-wire NPN sensor connection example (external power supply)=== === 3-wire NPN sensor connection example (external power supply)===
  
Line 277: Line 284:
  
  
 +==== ET7 firmware reflash ====
 +
 +myCNC-ET7 reflashing procedure may take up to 3 minutes.
 +
 +To reflash the board:
 +
 +1. Plug in the 24V DC power supply
 +
 +2. Plug in the micro-USB cable into the ET7 controller & a Host Computer with myCNC installed
 +
 +3. Close jumpers J5(reset) & J6(programming) on the controller board
 +
 +4. Open (remove) the J5 jumper.
 +
 +{{:​mycnc:​et7-reflash-001.png}}
 +
 +5. Open myCNC software on Host computer (Settings > Support Tab)
 +
 +6. "​Select board" set to "​myCNC-ET7"​
 +
 +7. Select "​Firmware version"​ from "​Release",​ "Night build" or "​Testing"​ ("​Release"​ is recommended)
 +
 +8. "UART port" - select the port with FT232 attached. If no such port visible, check the micro-USB connection, then close and open the Support tab once again in order to refresh it. 
 +
 +9. Baud Rate set to "​115200"​ for ET7; other baudrate can be selected in case of problems on the 115200 speed
 +
 +10. Press "​Update Firmware"​ button, Firmware download and reflashing process will be started
 +
 +11. If "​Sector 0; +" message is shown in the debug window, the reflashing process has been finished successfully.
 +
 +12. Remove all jumpers (J4, J5) and restart the board.
 +  ​
 +{{:​mycnc:​et7-reflash-002-support.png}}
 +
 +{{:​mycnc:​et7-reflash-004-success.png}}
  
 +If the reflashing process failed, please check your internet connection and the micro-USB connection, and then repeat the reflashing procedure from Step 3.
mycnc/mycnc_et7.1560531470.txt.gz · Last modified: 2019/06/14 12:57 by ivan