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    Wiring Vacuum Pressure Sensors to Duet 6XD and 3HC

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    • developeralgo222undefined
      developeralgo222
      last edited by developeralgo222

      i have 24V Vacuum Pressure sensors that i need to hook up to DUET 3 6XD and 3HC boards

      • 6 x SMC Vacuum Pressure Sensors (ZSE30A-01-N-L ) -- 3 Wire (Brown(DC+) , Blue(DC-), Black(signal OUT 1) )
        Datasheet for the digital Nozzle pressure

      • 6 x Solenoid Valve Vacuum Sensors ( 5 Wires - Brown(DC+) , Blue(DC-), Black(NPN signal OUT 1), White(DC 1-5V Analog Output 1 ) , Orange (DC 1-5V Analog Output 2 ??? ) ) -- LINGERA CM85-10-A-6S-P04 (integrated solenoid valve -- i think this is a local chinese market version of SMC type CM85 Vacuum Generators ) LINGERA_CM85_10_A_6S_P04_Vacuum_generator_operating_instructions.pdf

      Can someone point me in the right direction and on how to go about connecting them to the Duet 6XD platform. I might also need Vacuum Pressure controller card if necessary

      dc42undefined 1 Reply Last reply Reply Quote 0
      • dc42undefined
        dc42 administrators @developeralgo222
        last edited by

        @developeralgo222 you can connect your NPN-output vacuum sensors in exactly the same way as you would connect a NPN-output Z probe. See https://docs.duet3d.com/User_manual/Connecting_hardware/Z_probe_connecting. IOW, connect the black output of the sensor directly to ay IOx.IN port on the main board or an expansion board. Connect the brown wire to +12V or +24V and connect the blue wire to ground on the same board. You can pick up +12V or +24V on any of the OUT connectors.

        For the solenoid valve sensors, I guess you intend to use the black output wire to control a solenoid valve directly. If you need to read the pressure from the white wire, connect it to an IOx.IN pin that has analog input capability and ensure that there is a common ground between the device (blue wire) and that Duet or expansion board. Configure a Linear Analog Sensor on that port using the M308 command. The input range of those ports is 0 to 3.3V whereas the sensor output is 0 to 5V, so if you want to measure the full range then you will need to add a potential divider between the white wire and the IOx.IN pin.

        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

        developeralgo222undefined 1 Reply Last reply Reply Quote 0
        • developeralgo222undefined
          developeralgo222 @dc42
          last edited by developeralgo222

          @dc42 said in Wiring Vacuum Pressure Sensors to Duet 6XD and 3HC:

          For the solenoid valve sensors, I guess you intend to use the black output wire to control a solenoid valve directly. If you need to read the pressure from the white wire, connect it to an IOx.IN pin that has analog input capability and ensure that there is a common ground between the device (blue wire) and that Duet or expansion board. Configure a Linear Analog Sensor on that port using the M308 command. The input range of those ports is 0 to 3.3V whereas the sensor output is 0 to 5V, so if you want to measure the full range then you will need to add a potential divider between the white wire and the IOx.IN pin.

          @dc42 , @droftarts , @T3P3Tony
          can any of you guide me and just confirm in making sure that all my 24V Integrated solenoid valves ( 6 of them connected to 6XD mainbaord ) are connected correctly. No Physical connections have been made yet, i am just making sure that they are correct and then once i get all the boards working , i will start to do the actual connections after diagramming them

          Just to confirm on the Solenoid valve connections, want to make sure everything is connected correctly. After reading the documentation i see that 6XD has IO_3 to IO_8 with Analog capabilites too.


          I have my Solenoid Valves will be connected to the mainboard 6XD :

          My 6 Solenoid Valve manifold connections require 24V , 50 mA for each valve ( Total == 300mA )

          Measuring some 6XD board voltages when voltage selectors are at positions (i.e VIN & V_OUTCL1 for OUT 3 - 5 )

          • 1 x 2-Pin V_FUSED(VIN) & GND = 24V
          • 3 x 4-Pin OUT 3,4,5 (using 2 pins GND & V_OUTCL1 ) by selecting VIN & V_OUTCL1 = 24V Each
          • 4 x 4-Pin OptoIsolated OUT 5,6,7,8 (using 2 pins GND & V_FUSED_IO ) = 24V Each
          • 1 x 2-Pin 12V_EXT & GND = 12V

          Managed to get 6 outputs that can provide 24V, 50mA each for the solenoid valves from the Duet 6XD mainboard but i am not sure about OptoIsolated outputs.

          Solenoid Valve #x ------> IO_x (IO_3 to IO_8)

          • Brown Wire (V+) -----> OUT 3 -5 (V_OUTLC1 Pin) == 3 solenoid connections and Opto OUT 5 - 8 (V_FUSED Pin) == 3 remaining solenoid connections in order to pick 24V

          • Blue Wire (V-) ------> OUT 3 -5 (GND Pin) and Opto OUT 5 - 8 (GND Pin)

          • Black Wire (Digital NPN Signal Output -- Valve 1 to 6) ------> IO_3_IN to IO_8_IN

          • Each White Wire (Analog Output -- Valve 1 to 6) ------> ?????????

          • Each Orange Wire (Analog Output 2 ??????? -- Valve 1 to 6) ------> ?????????

          Is using OptoIsolated OUT 5 - 8 for solenoid Valves ok on 6XD. Are this connections OK on 6XD as per the 6XD documentation ?

          T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
          • T3P3Tonyundefined
            T3P3Tony administrators @developeralgo222
            last edited by

            @developeralgo222 the optoisolated outputs are not analog outputs. Do the valves need to be operated as analog devices or can they be digital (on/off)

            www.duet3d.com

            developeralgo222undefined 1 Reply Last reply Reply Quote 0
            • developeralgo222undefined
              developeralgo222 @T3P3Tony
              last edited by developeralgo222

              @T3P3Tony said in Wiring Vacuum Pressure Sensors to Duet 6XD and 3HC:

              @developeralgo222 the optoisolated outputs are not analog outputs. Do the valves need to be operated as analog devices or can they be digital (on/off)

              Not really. The valves have Digital NPN signal output (black wire ) so i don't need analog output in this case. i only need 6 outlets that can provide 24V on same 6XD board. Would this work ok by looking at the device datasheet that they sent me that is linked below and above ?

              i think this is a local chinese market version of SMC type CM85 Vacuum Generators ) LINGERA_CM85_10_A_6S_P04_Vacuum_generator_operating_instructions.pdf

              SMC_NPN_Integrated_Vacuum_Generator_Wiring.png

              • Brown Wire (V+) -----> OUT 3 -5 (V_OUTLC1 Pin) == 3 solenoid connections and Opto OUT 5 - 8 (V_FUSED Pin) == 3 remaining solenoid connections in order to pick 24V

              • Blue Wire (V-) ------> OUT 3 -5 (GND Pin) and Opto OUT 5 - 8 (GND Pin)

              • Black Wire (Digital NPN Signal Output -- Valve 1 to 6) ------> IO_3_IN to IO_8_IN ( io_x_out pin )

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