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PLUS+1 Hardware => I/O Modules => Topic started by: spittet on July 16, 2025, 07:26:36 PM

Title: Difference between DOUT and DOUT/PVG Power Supply pin
Post by: spittet on July 16, 2025, 07:26:36 PM
Hi,

In a OX024-110 IO module, what is the difference between a DOUT pin (ex: C1p09) and a DOUT/PVG Power Supply pin (ex: C1p10) about supplying power to a PVES valve coil?

I want to power multiple PVES valve coils from a single digital output pin.

Can I use either a DOUT or a DOUT/PVG Power Supply for this?

If yes, why is there such a distinction between these two types of pins? Why dedicated PVG Power Supply pins exists?

Also, I was being told that I can only power up to 3 PVES valve coils from a single digital output pin. But, looking at the datasheet of the PVES, the supply current will be 560mA @ 12V.
So, for a digital output pin that can supply up to 3A, I should be able to power up to 5 PVES valve coils (5x 0.56A = 2.8A), isn't it?
Title: Re: Difference between DOUT and DOUT/PVG Power Supply pin
Post by: Rem on July 17, 2025, 03:53:38 PM
Hello,
In the OX024-110 Data Sheet (https://assets.danfoss.com/documents/76109/AI152986482197en-000402.pdf) , you can read : "Use care when wiring mating connector. Pinouts listed are for device pins. Each DOUT/PVG power supply can power up to three PVG sections concurrently. One OX024-110 output expansion module can drive a maximum of six PVG valves concurrently."

Have a nice day
Title: Re: Difference between DOUT and DOUT/PVG Power Supply pin
Post by: spittet on July 17, 2025, 06:40:48 PM
Hello,
In the OX024-110 Data Sheet (https://assets.danfoss.com/documents/76109/AI152986482197en-000402.pdf) , you can read : "Use care when wiring mating connector. Pinouts listed are for device pins. Each DOUT/PVG power supply can power up to three PVG sections concurrently. One OX024-110 output expansion module can drive a maximum of six PVG valves concurrently."

Have a nice day

I'm still interested about the reasons for this limitation.
Each output can drive up to 3A.
Each PVG valve can consume up to 0.56A (PVES). So 6x0.56A = 3.36A. The whole module can source up to 32A max for all the combined outputs.
Why is it limited at such a low number of PVG valve per pin and per OX module?

Also, I'm still interested about the difference bwtween the DOUT and DOUT/PVG Power Supply pin.