Difference between revisions of "Connectivity"

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Please note that with Repetrel v3 and above, even though you are still using a USB cable, you MUST connect over the a virtual COM port to the UART. The process for selecting the COM port is the same.
Please note that with Repetrel v3 and above, even though you are still using a USB cable, you MUST connect over the a virtual COM port to the UART. The process for selecting the COM port is the same.


=== Version 2.x and 3.x ===
=== Version 2.x and Later ===


If Repetrel doesn't automatically connect to the printer at this time, we may need to manually set the COM port:
If Repetrel doesn't automatically connect to the printer at this time, we may need to manually set the COM port:
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[[File:Comlink_4.png|400px|Apply and Ping]]
[[File:Comlink_4.png|400px|Apply and Ping]]


=== Version 3.x, Additional Info ===
=== Version 3.x and Later, Additional Info ===


With v3.x, you can change the border style...  
With v3.x, you can change the border style...  

Revision as of 16:31, 1 November 2019

Whether connecting from the Tablet or another PC, we cannot control what COM port the printer is assigned to. Here is what to do if Repetrel is not connecting to the Printer (the motion controller).

Click any image for a larger version.


Please note that this page is for communications issues. If Repetrel is showing your heads and printer, but you CANNOT OPERATE (heat, move) your heads or bed, you may not have a communications issue, but CHECK IF YOUR EMERGENCY STOP IS ENGAGED. The E-Stop will prevent power to your motors and heating elements.


Video

The following video is all that most people will need to reset their COM port:

https://www.youtube.com/watch?v=RlJqdhtpB6Q

Is the Printer Powered Up?

Ensure that:

  1. The power supply is plugged into a known good receptacle;
  2. The power supply is set to the proper voltage (115/230 VAC);
  3. The power supply is turned on; and
  4. The power button is pressed in.

When this is the case, the Power and Reset buttons should be illuminated:

Power, Reset Buttons

When your printer is powered up, as above, we move on to the motion controller:

Is the Motion Controller working?

When the motion controller is working properly and communicating with another device over CANBUS (the hotbed controller and any loaded heads), you should see a blinking green "heartbeat" light on the front of the spine, about 6cm up from the bottom and about 2cm in from the right:

Heartbeat LED

If the heartbeat is missing, first unload any print heads and reset the printer:

Power, Reset Buttons

If this was unsuccessful, disconnect the hotbed controller by engaging the emergency stop, then grabbing all wires firmly and pulling to the left; then load a print head and reset the printer:

Unplug the Hotbed Controller Unplug the Hotbed Controller Unplug the Hotbed Controller

If the heartbeat is still missing, there are two potential causes:

One, the firmware on the motion controller may not be in sync with the firmware on the other device(s). Our fix for this is to flash a known version to the motion controller and a compatible version to the print heads. However, this is not usually the root cause unless you are working with some older equipment which has not been properly updated during 2016 or later.

Two, we may need to press the reset button on the motion controller itself:

  1. Use a 2.5mm hex driver to remove the screws holding the rear cover in place;
  2. Press the reset button on the motion controller card:

Motion Controller Reset Button

If we still haven't restored the heartbeat, there is some issue with the motion controller itself, so we should flash the current firmware onto it again:

In Repetrel, click File > Update Firmware > 407 Motion Controller:

Flashing the Motion Controller, Image 1

You should see the green message "Connected" when connected. If you see a yellow message "Not connected Check Boot Switch Press RESET Button" instead, check your USB connectivity to the printer and press the reset button. Once you are on firmware 2.4 and above, you will not need to change the boot/run switch to connect or flash.

Next, click Select File, highlight the correct file, and click Open:

Flashing the Motion Controller, Image 2

Last, click Program and wait for the process to complete and the window to close.

Flashing the Motion Controller, Image 3

Now you should have the heartbeat. If not, there can be two causes.

1. You might not have good CANBUS communications. We need at least one device to be communicating properly, and NO devices on mismatched firmware (since some of the protocols have changed over the years); this includes the hotbed controller and the heads. To determine if this is the case, disconnect the hotbed controller by engaging the emergency stop, then grabbing all wires firmly and pulling to the left; then load a print head and reset the printer:

Unplug the Hotbed Controller Unplug the Hotbed Controller Unplug the Hotbed Controller

2. We might have a problem with the 407 Motion Controller. We have had less than 1% of these go bad, and when they do it has been after a severe power surge. Contact us if this is the case.

Once you have the heartbeat, we can proceed:

Are we Connected?

Please note that with Repetrel v3 and above, even though you are still using a USB cable, you MUST connect over the a virtual COM port to the UART. The process for selecting the COM port is the same.

Version 2.x and Later

If Repetrel doesn't automatically connect to the printer at this time, we may need to manually set the COM port:

In Repetrel, click on the Comm Link tab:

Com Link Tab

Click on the COM# button and select Refresh:

Refresh

Click on the COM# button again, and select the highest COM port shown; you may need to cycle through all available ports, but it is usually the highest numbered one displayed:

Set Com Port

Ensure that the communication rate is set to 38400; click Apply, and then click Ping. You should get the message "Printer Connected" as shown below:

Apply and Ping

Version 3.x and Later, Additional Info

With v3.x, you can change the border style...

Settings-change border style.png

...and check the connection type and status in the title bar:

Menubar status.png

The process for selecting a new port is the same as for v2. 

However, you can check your Printers & Devices and/or Device Manager to ensure that you have the Virtual COM Port enabled and are, in fact, using it.

From Printers & Devices:

PD com.png

From Device Manager:

DM com.png