mycnc:mycnc_et15
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mycnc:mycnc_et15 [2019/09/16 15:27] – ivan | mycnc:mycnc_et15 [2020/01/06 13:15] – 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. | ||
- | NOTE: The board has a set of incorrectly labelled 5V pins (labeled on the board as 24V). Below is the correct power supply pinout: | + | __NOTE: The board has a set of incorrectly labelled 5V pins (labeled on the board as 24V). Below is the correct power supply pinout:__ |
{{: | {{: | ||
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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: |
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 Output pins ==== | ==== ET15 Output pins ==== | ||
- | ET15 board contains | + | ET15 board contains |
- | * ... open collector outputs (OUT# | + | * 56 open collector outputs (OUT#0-OUT#55) |
- | * ... PWM outputs (PWM#1, PWM#2, PWM#3) | + | * 8 PWM outputs (PWM#0 - PWM#7) |
- | + | ||
- | < | + | |
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: | + | {{:mycnc: |
==== 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 # | 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 # | ||
- | + | {{:mycnc: | |
- | {{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: |
**ENCODERS** channels 4,5,6,7 pinout | **ENCODERS** channels 4,5,6,7 pinout | ||
- | {{hardware:et15:et15-connection-encoders-002.jpg}} | + | {{:mycnc: |
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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: | |
- | {{hardware:et15:et15-connection-uart-001.jpg}} | + | |
- | + | ||
==== Connection Examples ==== | ==== Connection Examples ==== |
mycnc/mycnc_et15.txt · Last modified: 2022/01/28 11:21 by ivan