I am driving a B&R X90 mobile controller from an Orion XS1400. The inrush current to the X90 (about 11A) is tripping the 12V voltage output of the XS1400.
is there a way to reduce the inrush current of the X90?
Thanks
Moderator note: combined two posts for readability
Hello,
I am not sure how the system architecture looks like, can you please clarify?
The maximum inrush current is 5A for the CPU & 10A for each IO supply (number depends on which X90 you are using)
Therefore, a total inrush current of 11A can be normal depending on your usage of the outputs.
As far as I see the Orion XS1400 can supply up to 50A, correct?
Please describe the issue in more detail, especially the architecture & the configured IOs.
Hi
Currently there are no I/O connected out from the X90 - so only internal inrush is happening
the architecture is as the image above
we power all voltage rails - and only when powering the enable signal - the Orion XS1400 drops the output voltage and the X90 restarts
so it goes to a reboot cycle forever
Hello,
what does the logger say, can you please provide a system dump?
Is the Orion XS1400 suitable as a power supply? As far as I see it’s intended to be a battery charger.
Please also try to only connect the pins X1.A.K3, X1.A.L2 & X1.A.C3.
connecting only F10,F15 and F17 - the X90 boot and stays up
adding any of fuses F12,F13 F20 or F16 - the unit will boot again and again.
one note - I have connected X1.A - C3 via F17 to the main power rail due to number of fuse limit.
I am only using these I/Os (colored) in X1.A and not more than that - so if we can avoid any IO fuse - or can reduce the inrush - please let me know
I have this configuration:
| position | article no. |
|---|---|
| Mainboard | X90CP174.48-00 |
| Optionboard_1 | X90IF720.04-00 |
| Optionboard_2 | X90RO440.05-00 |
| Optionboard_3 | X90RO440.05-00 |
| Optionboard_4 | X90AO410.08-00 |
question: if we leave only the main board and the CAN expansion - would the inrush be much lower?
Moderator note: combined two posts for readability
Hi guy,
the help is quite clear: Technical data
This is not a big problem using truck batteries, so when using power supplies the following is recommended:
If the X90 mobile system is supplied with power from a power supply unit instead of a battery,
it is important to ensure sufficient support capacity of ≥ 4700 µF.
Using a battery charger to supply the X90 module is not an intended use case.
Kind regards,
Christian
Orion XS1400 has two modes- power supply and charger
we use the power supply mode and not the charger
do you have a recommendation for external capacitor that can feed the inrush?
