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Aquabus vs no aquabus

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Elior77

Junior Member

Beiträge: 13

Aquabus vs no aquabus

Freitag, 10. Januar 2020, 09:17

I have two devices with out aquabus cable between them, and all seems to work fine, what are the benefits of connecting them via aquabus?

InfoSeeker

Senior Member

Beiträge: 1 759

Freitag, 10. Januar 2020, 13:38

That depends on the devices, and what you want to do with them.

The aquabus allows direct communication and control of some peripherals by the aquaero
But in some cases you may lose some utility on the peripheral device when you implement the aquabus.

Hufeisen

Senior Member

Beiträge: 566

Freitag, 10. Januar 2020, 14:25

Aquabus requires an Aquaero as Master Device.

If you dont have an Aquaero, the Aquabus is completely useless and will not work.

Elior77

Junior Member

Beiträge: 13

Samstag, 11. Januar 2020, 13:39

I use Aqaero 5LT and Quadro

caronen

Junior Member

Beiträge: 22

Samstag, 11. Januar 2020, 16:43

Zitat von »Elior77«

I have two devices with out aquabus cable between them, and all seems to work fine, what are the benefits of connecting them via aquabus?
A already pointed out by Hufeisen and InfoSeeker, aquabus (actually seems to be a somewhat customised I2C bus) allows You to connect several devices to a "Master" (Aquaero) so that those devices no are longer autonomous but become inputs and outputs of the master.
For example, I run 2 Aquaeros 5 LT (one flashed with slave firmware) and a Quadro, all connected by aquabus : my Aquero behaves as if it had 12 fan outputs, 16 temperature inputs and 4 flow sensors (whereas an Aquaero 5 has 4 fan outputs, 8 temperature inputs and 2 flow sensor inputs).

There are two main advantages of using aquabus :

- You need only one USB port for all the devices and since their number on typical motherboard varies from 2 to 4 it could be important. In addition some low-power aquabus devices can be powered by the bus so You can get rid of some cables.
- The controlers (input-output dependiencies) are device-bound so if You want for exemple to control a fan connected to one device wit a temp sensor connected to another it won't be possible if they are connected to MB. I am not sure (never tested) but even if I'm wrong a cross-device controller would need MB powered, OS loaded, Aquasuite or some other process running. On the contrary, with aquabus everything works as soon as the power is provided to the devices.

The main drawback is limited functionnality of slave device. As aquabus is to give full control to the master, the MCUs of slave device are not used. This means that the master has to do all the work reading inputs and controlling outputs. And how powerful Aquaeros MCUs are, they will hit some limit. The number of connected devices is actually limited as well as the total number of inputs/outputs : this is covered in chapter 23 of Aquaero's manual.
These limitations can change in the future obviously given that Aquacomputer will likely drop supporting oldest devices.

Zitat von »Elior77«

I use Aqaero 5LT and Quadro
In this case if connected via aquabus You won't be able to use RGPx functionnality of the QUADRO, all else works via aquabus. If You need RGBpx You have to connect both devices via USB (or purchase a farbwerk :)

Edit : it seems that RGBpx would work if QUADRO connected via aquabus you just cannot see it (nor configure) in Aquasuite.

Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »caronen« (11. Januar 2020, 18:14)

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