Table of Contents
Input/Output - I2C, Serial, Ext
You can connect and control external devices with PlanetCNC TNG software and hardware. I2C, serial or SPI communication protocols are supported.
I2C
Frequency
Base frequency value of I2C communication protocol.
Serial
Baudrate 0
Baudrate value of serial communication for EXT1 header TX/RX pins.
Timeout 0
Timeout value of serial communication for EXT1 header TX/RX pins.
Baudrate 1
Baudrate value of serial communication for EXT2 header TX/RX pins.
Timeout 1
Timeout value of serial communication for EXT2 header TX/RX pins.
Encoder
PPR
PPR value of encoder.
Note: These settings apply to encoder connected to Mk3 controller CTRL pins: EN2A and EN2B
Reverse
Enables reverse direction of encoder.
Ext
Frequency
Frequency value of SPI communication protocol.
SEL1
SEL1 Pin
Invert: Polarity of SSEL pin. Unchecked = active high, checked = active low
Size
Size of received data (number of bytes) from external SPI device that uses SEL1 pin.
Timer
Time period of data re-sending and/or re-reading.
Input: Invert
Inverts inputs of connected EXT1 device
SEL2
SEL2 Pin
Invert: Polarity of SSEL pin. Unchecked = active high, checked = active low
Size
Size of received data (number of bytes) from external SPI device that uses SEL2 pin.
Timer
Time period of data re-sending and/or re-reading.
Input: Invert
Inverts inputs of connected EXT2 device
PoKeys
PlanetCNC controller support connection of PoKeys devices. Serial number of PoKeys device.