2 – Control Module Design
Connection for external 24V power supply unit
On the left side of the control board there is a DC Power jack for connecting an
external 24VDC power supply.The outer ring is connected to GND whilst the
inner pin is connected to +24V.
Connection for PC
A PC can be connected via the mini-USB socket, which is also located on the left side of the control module. The USB
port is connected to the central processor of type Atmel ATMEGA328P via a USB-to-serial converter of type CH340.
The ATMEGA328P comes with a bootloader and the GRBL firmware version 1.1f already preinstalled at the factory.
On the bottom side of the control module the following elements are located, as seen from left to right
• On/Off switch
• Reset button
• 8-pin connector for offline-controller
• Light emitting diode for TxD (blue)
• Light emitting diode for +5V (red)
• 16-pin connector for Z-Probe (measuring tool) as well as Z-, Y- and X-limit switches
To Next Page
Loading...