Difficulty
Easy
Steps
23
Time Required
00:30:00 - 01:00:00
- 2.) Wiring your Duet 2 WiFi/Ethernet 23 steps
User-Contributed Guide
This guide is not managed by the site's staff.
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Take a moment to familiarize yourself with the wiring diagram. It may help to open the high resolution image in another window, or print it out.
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The crimp tool shown in this photo is a basic and inexpensive tool available from any hardware store, electrical shop, etc.
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The method of crimp shown here is called an indent crimp. You should ensure that the tool you use provides a tight crimp to the ferrule.
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It is also best to use the include Molex connectors for all other connections as they ensure correct polarity and lock into place.
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Connect your power supply to the Power In terminal.
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Do not tin (add solder to) these wires.
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Be sure not to twist the terminal block while tightening the screws. It can help to hold the terminal block while tightening.
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Check the screws after a few days/week of operation to ensure they are still snug.
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Lets begin by ensuring there's a connection to the board. This can be over USB, wifi, or ethernet. Please refer to Getting Connected to Your Duet for details.
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We'll be using Duet Web Control during this guide, though you can use your favorite host software over USB if a network connection is unavailable.
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If using USB, connect a USB cable at this time.
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We'll start at the reset button, and work our way around the wiring diagram clockwise.
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The firmware is erased in one of two ways depending on the hardware PCB revision:
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For revisions v1.04 and later it is a jumper which is bridged to erase the firmware.
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For all versions prior to v1.04 it is through an erase switch.
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These indicators show the status of 3.3v power, 5v power, the Vin (power from your power supply) and the two extruder heaters.
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When the board is idle and connected to a power supply, expect the 3.3v, 5v, and Vin LEDs to be illuminated.
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When the board is powered only through an external 5v supply or through USB, expect only the 5v and 3.3v lights to be on.
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In this area you will also find indicators to show when an extruder heater is turned on.
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Endstops tell the printer when the travel limit has been reached on a particular axis. The Duet's connections are a little different than RAMPS style boards, so please review this step and your endstops carefully.
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X Endstop
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Y Endstop
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Z Endstop
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From left to right on an endstop connector, the pins are signal (marked STP on the back of the board), +3.3v, and GND.
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If using 2 wire microswitch endstops, connect one wire to GND and the other wire to signal (STP), which are the outer two pins on the Duet connector.
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If using other endstops, please refer to this link for details.
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You can see the live status of your endstops in the Machine Properties section of the web interface. Here's how to access it:
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Navigate to "Settings"
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Click the "Machine Properties" tab.
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"Endstop Hit" shows an instantaneous status of each endstop.
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The default endstop mapping is: X=0, Y=1 and Z=2.
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Your hotend heaters should be connected here. From left to right, the connectors are E1 and E0.
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Do not tin (add solder to) these wires.
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Be sure not to twist the terminal block while tightening the screws. It can help to hold the terminal block while tightening.
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Check the screws after a few days/week of operation to ensure they are still snug.
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If you have two Z-Axis stepper motors, connect them to ZA and ZB.
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If you only have one Z-Axis stepper motor, plug it into the ZA connector and be sure that the supplied jumpers are installed on the ZB connector.
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If you use more than five stepper motors, you may use a Duex2 or Duex5 expansion board which offers 2 or 5 extra stepper motor outputs, respectively.
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If you wish to provide external 5v power, or control an external ATX power supply, you may read more about it in the wiki.
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Unless you plan to provide an external 5v source, you should at this time check that there is a jumper on "INT 5V EN" and NOT on "EXT 5V EN".
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INT 5V EN
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EXT 5V EN
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The Duet has three PWM controlled fan headers and two Always On fan headers.
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A PWM (Pulse Width Modulation) fan connection is for fans you wish to control the speed of, for example a print cooling fan.
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An always on fan is for something like an electronics fan - always on when the printer is on.
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It is recommended to use the included ferrules, by crimping them to the wires before putting the wires in the terminal block.
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Do not tin (add solder to) these wires.
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Be sure not to twist the terminal block while tightening the screws. It can help to hold the terminal block while tightening.
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Check the screws after a few days/weeks of operation to ensure they are still snug.
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Connect the bed thermistor to BED_TEMP.
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The polarity of a thermistor does not matter.
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CONN_SD is used to connect the SD card reader on a PanelDue touchscreen display to the Duet.
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If you are using a PanelDue, this connection is optional and does not effect the function of the touchscreen monitor itself.
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The CONN_LCD header is reserved for future development at this time and should not be used.
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The expansion header is to connect the Duet to a Duex 2 or Duex 5 expansion board.
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A Temperature Daughterboard may be desired if, for example, you wish to print with materials which require greater than 290°C, which is the limit for a thermistor.
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A Temperature Daughterboard allows the Duet to connect with a thermocouple or PT100 temperature sensor, which send a different type of signal than a thermistor.
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If you plan to use PT100 temperature senesors, please read the wiki regarding the use of Temperature Daughterboards.
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See this section of the wiki, Choosing a Z probe, which will help you choose a suitable Z probe if you have not already.
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See this section of the wiki, Connecting a Z probe, which contains guidance for wiring your Z probe to the Duet.
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The PanelDue can be connected in two ways:
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A 4 wire cable that contains power and serial signals. This has a maximum recommended length of 1 meter
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a 10 way flat cable which claos contains an external SD card signals with a maximum recommended length of 400mm
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the ESP COMMS connection allowed a direct interface with the WiFi module. This was used during initial design but is no longer used so have been removed.
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The JTAG header was available for advanced debugging and programming but was never used so it has been removed.
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The Ethernet or WiFi Module supports a connection over a web interface. It is responsible for a network connection as well as the web-based user interface.
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The WiFi module has a blue LED that flashes only when the firmware is being changed.
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The Ethernet module has two LEDs - Link, which is on when an ethernet connection is established, and Activity, which flashed whenever data is being actively transferred.
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Connect your hotend thermistors here.
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The polarity of thermistors does not matter.
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Congratulations! Your Duet is wired and is ready to configure. Continue to 3.) Configuration (General Cartesian) to configure your Duet!
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