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    upgraded heated bed, reboots

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    • akuma211undefined
      akuma211
      last edited by akuma211

      Duet2wifi, MP Delta Pro;

      Hello, i tried upgrading/replacing the heated bed i had on my delta printer, to a JSR Industries, 10inch 24v 400W silicone heated bed.
      it looks like i installed everything correctly, im getting a H0 temp readout on (~21C)

      I tried running the PID auto tune: M303 H0 S60, but the duet2wifi reboots almost immediately. trying to heat the bed at all reboots the board.
      i was hoping i could keep it simple by getting a 24v heated mat and the duet to power it, anyone have any suggestions?

      ive read a few bits online and it seems a power supply could be an issue?

      here is some of the m122 data, doesnt look like i can post the whole report;

      === Diagnostics ===
      RepRapFirmware for Duet 2 WiFi/Ethernet version 3.3beta2 running on Duet WiFi 1.02 or later
      Board ID: 0JD0M-9K662-MGPSS-6J9FJ-3SJ6Q-98SUW
      Used output buffers: 3 of 24 (11 max)
      === RTOS ===
      Static ram: 21568
      Dynamic ram: 74660 of which 0 recycled
      Never used RAM 18188, free system stack 184 words
      Tasks: NETWORK(ready,227) HEAT(delaying,294) MAIN(running,443) IDLE(ready,20)
      Owned mutexes: WiFi(NETWORK)
      === Platform ===
      Last reset 00:01:09 ago, cause: power up
      Last software reset at 2021-04-27 21:12, reason: User, GCodes spinning, available RAM 18188, slot 0
      Software reset code 0x0003 HFSR 0x00000000 CFSR 0x00000000 ICSR 0x0041f000 BFAR 0xe000ed38 SP 0x00000000 Task MAIN Freestk 0 n/a
      Error status: 0x00
      Aux0 errors 0,0,0
      MCU temperature: min 22.6, current 23.5, max 23.9
      Supply voltage: min 24.2, current 24.2, max 24.3, under voltage events: 0, over voltage events: 0, power good: yes
      Heap OK, handles allocated/used 0/0, heap memory allocated/used/recyclable 0/0/0, gc cycles 0

      === Heat ===
      Bed heaters = 0 -1 -1 -1, chamberHeaters = -1 -1 -1 -1
      Heater 1 is on, I-accum = 0.0

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      • dc42undefined
        dc42 administrators
        last edited by

        @akuma211 most likely your power supply can't handle the additional current so it is cutting out. What power supply is it? Does the blue power LED on the Duet go out briefly when you turn the bed heater on?

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

        akuma211undefined 1 Reply Last reply Reply Quote 1
        • akuma211undefined
          akuma211 @dc42
          last edited by

          @dc42 it's the stock power brick style that came with the printer: https://www.monoprice.com/product?p_id=36570&gclid=CjwKCAjwj6SEBhAOEiwAvFRuKM6bxCdIWIqrvPkT-lwHuX6xnoBg58RcqzB2baweFY4xRaTi5caD1hoCr6kQAvD_BwE

          I have a meanwell that came with my ender I'm not currently using, I have been thinking of swapping it in, but I have not done something like this before, I've replaced the meanwell but that was a straight swap with the original landy power supply

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          • engikeneerundefined
            engikeneer
            last edited by

            @akuma211 from a quick Google, that power supply is for 220w, whilst your new bed will draw 400w! There's no way it will be able to power the new bed (which sounds quite powerful for its size). Yall gonna need a bigger power supply!
            I'd also check that your meanwell one is up to the job (right voltage and watts)

            E3D TC with D3Mini and Toolboards.
            Home-built CoreXY, Duet Wifi, Chimera direct drive, 2x BMG, 300x300x300 build volume
            i3 clone with a bunch of mods

            akuma211undefined 1 Reply Last reply Reply Quote 1
            • akuma211undefined
              akuma211 @engikeneer
              last edited by akuma211

              @engikeneer thanks, that makes a lot of sense, I think the meanwell is something like 360W so yeah I'll probably need a bigger power supply than that even.

              Well, I'm already committed, might as well go with it lol

              Any recommendations?
              I see a few 400-500W meanwells on Amazon

              engikeneerundefined 1 Reply Last reply Reply Quote 0
              • engikeneerundefined
                engikeneer @akuma211
                last edited by

                @akuma211 work out how much power you need. Try following this page: https://duet3d.dozuki.com/Wiki/Choosing_the_power_supply

                I'd get the next one up from what you need so you have a bit of headroom

                Meanwell ones are generally good. There's a decision over whether to go fanless or not - fanless are generally larger but quieter. It's been a while since I bought one so don't really know the different product lines. You'll also need to consider how/where to mount it to your printer as they aren't small...

                E3D TC with D3Mini and Toolboards.
                Home-built CoreXY, Duet Wifi, Chimera direct drive, 2x BMG, 300x300x300 build volume
                i3 clone with a bunch of mods

                akuma211undefined 1 Reply Last reply Reply Quote 0
                • akuma211undefined
                  akuma211 @engikeneer
                  last edited by akuma211

                  @engikeneer yes that's one of the reasons I haven't tried swapping PS, the power brick is hidden, and yes I know it's just asthetics, but it's one of the reasons I really like the delta pro lol.

                  I'll see what I find, thanks
                  Update: went with this, will see if I have time to test it out this weekend

                  MEAN WELL RSP-500-24

                  1 Reply Last reply Reply Quote 0
                  • akuma211undefined
                    akuma211
                    last edited by

                    It looks like everything is now working smoothly, thank you everyone for your help.

                    The new 400W silicone bed heater is working great, heats up much faster and im finally not having problems with bed adhesion, couldnt even get PLA to stick on a leveled bed before.

                    The power supply was a 'future' upgrade ive been wanting to do, guess getting a kick in the butt to getting it done now to power the 400W upgraded bed heater was a blessing in disguise.

                    overall very happy 🙂

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