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mycnc:mycnc_et15 [2018/08/09 00:09]
skirillov
mycnc:mycnc_et15 [2020/01/06 13:19] (current)
ivan
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 Power Supply 24V DC and +24V and GND pins are shown in a picture below. Power Supply 24V DC and +24V and GND pins are shown in a picture below.
  
-{{hardware:et15:​et15-connection-power-001.jpg}}+__NOTEThe board has a set of incorrectly labelled 5V pins (labeled on the board as 24V)Below is the correct power supply pinout:__
  
 +{{:​mycnc:​et15-power-v2.jpg}}
  
 ==== Pulse-Dir outputs ==== ==== Pulse-Dir outputs ====
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 PULSE-DIR channels 0,1,2,3 pinout PULSE-DIR channels 0,1,2,3 pinout
-{{hardware:et15:et15-connection-pulsedir-001.jpg}}+{{:mycnc:​et15-pulsedir-001-v2.jpg}}
  
 PULSE-DIR channels 4,5,6,7 pinout PULSE-DIR channels 4,5,6,7 pinout
-{{hardware:et15:et15-connection-pulsedir-002.jpg}}+{{:mycnc:​et15-pulsedir-002-v2.jpg}}
  
 ==== ET15 Output pins ==== ==== ET15 Output pins ====
  
-ET15 board contains ​...  ​output pins- +ET15 board contains ​64 output pins- 
-  * ... open collector outputs (OUT#​0 ​... OUT#10+  * 56 open collector outputs (OUT#0-OUT#55
-  * ... PWM outputs (PWM#1, PWM#2, PWM#3) +  * PWM outputs (PWM#0 - PWM#7)
- +
-<​code></​code>​+
  
 An internal schematic is shown in the picture below. Darlington transistors array chip ULN2803 is used to buffer binary outputs in ET15. Each chip contains 8 transistors and handles 8 binary outputs. An internal schematic is shown in the picture below. Darlington transistors array chip ULN2803 is used to buffer binary outputs in ET15. Each chip contains 8 transistors and handles 8 binary outputs.
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 ET15 pinout for outputs is shown below ET15 pinout for outputs is shown below
  
-{{hardware:​et15-outputs-001.png}}+{{:mycnc:​et15-outputs-001-v4.jpg}}
  
 ==== Galvanic isolated inputs ==== ==== Galvanic isolated inputs ====
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 Additional 2 groups (8 optocoupler inputs) are connected to 8 encoder inputs pins (ENCODER pins 5B, 5C, 6A, 6B,6C, 7A, 7B, 7C). Change SW1 position to select either galvanic isolated inputs or line driver inputs for INPUTS #​64...#​71. ​ Additional 2 groups (8 optocoupler inputs) are connected to 8 encoder inputs pins (ENCODER pins 5B, 5C, 6A, 6B,6C, 7A, 7B, 7C). Change SW1 position to select either galvanic isolated inputs or line driver inputs for INPUTS #​64...#​71. ​
  
- +{{:mycnc:​et15-inputs-001-v2.jpg}}
-{{hardware:et15:et15-connection-inputs-001.jpg}}+
  
 ==== ET15 Encoder inputs ==== ==== ET15 Encoder inputs ====
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 **ENCODERS** channels 0,1,2,3 pinout **ENCODERS** channels 0,1,2,3 pinout
-{{hardware:et15:et15-connection-encoders-001.jpg}}+{{:mycnc:​et15-encoders-001-v2.jpg}}
  
 **ENCODERS** channels 4,5,6,7 pinout **ENCODERS** channels 4,5,6,7 pinout
-{{hardware:et15:et15-connection-encoders-002.jpg}}+{{:mycnc:​et15-encoders-002-v2.jpg}}
  
  
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 A myCNC-ET15 control board has RS422/RS485 bus connector. Connector pinout for RS422, RS485 shown below A myCNC-ET15 control board has RS422/RS485 bus connector. Connector pinout for RS422, RS485 shown below
  
- +{{:mycnc:​et15-uart-001-v2.jpg}}
-{{hardware:et15:et15-connection-uart-001.jpg}} +
- +
  
 ==== Connection Examples ==== ==== Connection Examples ====
mycnc/mycnc_et15.1533787764.txt.gz · Last modified: 2018/08/09 00:09 by skirillov