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mycnc:mycnc_et10 [2019/06/28 14:03]
ivan
mycnc:mycnc_et10 [2020/01/10 10:05] (current)
ivan
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 ET10 has 6 channel pulse/dir outputs, with the maximum pulse frequency of 3MHz. ET10 has 6 channel pulse/dir outputs, with the maximum pulse frequency of 3MHz.
  
-ET10 pulse/dir outputs conform to the RS422 standard and are compatible with most of servo and stepper drivers (line driver with paraphase signals positive and negative polarity). Internal schematic for pulse-dir is shown in the picture below: ​+ET10 pulse/dir outputs conform to the RS485 standard and are compatible with most of servo and stepper drivers (line driver with paraphase signals positive and negative polarity). Internal schematic for pulse-dir is shown in the picture below: ​
  
 {{hardware:​pulse-dir6.jpg?​800}} {{hardware:​pulse-dir6.jpg?​800}}
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 ==== ET10 Encoder inputs ==== ==== ET10 Encoder inputs ====
  
-ET10 board has 6 Incremental encoder inputs. There are 4 complete ABC encoder inputs (A/B quadrature encoder signals and Z signal) and 2 reduced AB encoder inputs. ET10 encoder inputs conform to the RS422 standard and are compatible with most of the servo drivers and line driver incremental encoders. 34C86 chip is used in ET10 as a receiver for the encoder signals. Internal schematic for line driver encoder inputs is shown in the picture below.+ET10 board has 6 Incremental encoder inputs. There are 4 complete ABC encoder inputs (A/B quadrature encoder signals and Z signal) and 2 reduced AB encoder inputs. ET10 encoder inputs conform to the RS485 standard and are compatible with most of the servo drivers and line driver incremental encoders. 34C86 chip is used in ET10 as a receiver for the encoder signals. Internal schematic for line driver encoder inputs is shown in the picture below.
  
 **INCREMENTAL ENCODER** inputs schematic (1 Encoder, ABC signals are shown) **INCREMENTAL ENCODER** inputs schematic (1 Encoder, ABC signals are shown)
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-==== RS422/RS485 Bus ====+==== RS485 Bus ====
  
-MyCNC-Et10 control board has a RS422/RS485 bus connector. Modbus ASCII/RTU and Hypertherm Serial communication interfaces are implemented in myCNC-ET10 control board. +MyCNC-Et10 control board has a RS485 bus connector. Modbus ASCII/RTU and Hypertherm Serial communication interfaces are implemented in myCNC-ET10 control board. 
-RS422 connector pinout is shown below:+RS485 connector pinout is shown below:
  
 {{hardware:​et10:​et10-uart-001.png}} {{hardware:​et10:​et10-uart-001.png}}
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 +==== ET10 Single-Board Computer connection ====
 +
 +The single board computer (such as a TinkerBoard) should be connected to the myCNC-ET10 controller board in a way shown in the photo below:
 +
 +{{:​mycnc:​0pc-et10-001.jpg}}
 +
 +Note that the connection MUST be done to the 5V/GND ports of the XT30 connector block and not to the 24V ports of the XT29 block which is located right next to it. Incorrect connection of the power supply may cause damage to the computer. ​
  
 ==== Board dimension ==== ==== Board dimension ====
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 To reflash the board To reflash the board
  
-{{:​mycnc:​et10-firmware-reflash-002.jpg}}+{{:​mycnc:​et10-firmware-reflash-003.jpg}}
  
-1. Unplug the  24V DC power supply and detach the ET10 controller from the Breakout board+1. Unplug the 24V DC power supply and detach the ET10 controller from the Breakout board
  
 2. Plug 24V DC supply 2. Plug 24V DC supply
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 4. Plug in the mini-USB cable to ET10 & Host Computer with myCNC installed 4. Plug in the mini-USB cable to ET10 & Host Computer with myCNC installed
  
-5. Close jumpers J4(reset) & J5)programming) on myCNC controller board+5. Close jumpers J4(reset) & J5 (programming) on the myCNC controller board
  
-6. Open(remove) J4(reset) jumper.+6. Open (remove) ​the J4(reset) jumper.
  
-7. Open myCNC software on Host computer, then go to Settings >  Support Tab+7. Open myCNC software on the Host computer, then go to Settings >  Support Tab
  
 8. "​Select board" set to "​myCNC-ET10"​ 8. "​Select board" set to "​myCNC-ET10"​
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 10. "UART port" select port with FT232 attached 10. "UART port" select port with FT232 attached
  
-11. Baud Rate set to "​115200"​ for ET10; other baudrate can be selected in case of problems on 115200 speed+11. Baud Rate set to "​115200"​ for ET10; other baudrate can be selected in case of issues with the 115200 speed
  
-12. Press "​Update Firmware"​ button, Firmware download and reflashing process will be started.+12. Press "​Update Firmware"​ button, Firmware download and the reflashing process will be started.
  
-13. Sector 0 will be written at the end of process, so message in debug window "​Sector 0; +" means reflashing process ​finished  +13. Sector 0 will be written at the end of process, so message in debug window "​Sector 0; +" means reflashing process ​was completed ​successfully.
-successfully.+
  
 14. Remove all jumpers (J4, J5), assemble TE10 and Breakout and restart the board. 14. Remove all jumpers (J4, J5), assemble TE10 and Breakout and restart the board.
  
-If reflashing process failed, please repeat ​sequence ​from Step 5.+If the reflashing process ​has failed, please repeat ​the process ​from Step 5.
  
  
mycnc/mycnc_et10.1561745018.txt.gz · Last modified: 2019/06/28 14:03 by ivan