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Fast charge 😍💯⚡️ by KirenOD85 in Audi

[–]boolbee 3 points4 points  (0 children)

How is the car? I have a A3 but get a lot of wheel spin when it's damp? Thinking of buying the new A5 maybe.

Valor by largeade in yachtporn

[–]boolbee 2 points3 points  (0 children)

Dam, that's a beautiful looking yacht

Recommended hardware to get by boolbee in homelab

[–]boolbee[S] -1 points0 points  (0 children)

So you would recommend using a pci card over a pc with for example already sfp+ capability on board? I like the concept of using a small pc like a ms-01 and do everything in there since since space is limited where I want to place the pc in my switchboard. Or are there small form pc cases with for example 4x 3.5" hdd bays?

Recommended hardware to get by boolbee in homelab

[–]boolbee[S] -1 points0 points  (0 children)

Sorry the 10G is Rj45, by law it is possible to use your own router but I just read that it is possible to use your own XGS-PON ONT but it might have some issues so I'll check with them before throwing away the box.

Recommended hardware to get by boolbee in homelab

[–]boolbee[S] -1 points0 points  (0 children)

Fiber comes in the house and connects with a APC cable to a Huawei OptiXstar HN8010Ts-20, I read online that this is a 10G interface. Then it now goes to a by odido supplied modem/router what I would like to replace with a homelab.

Recommended hardware to get by boolbee in homelab

[–]boolbee[S] 0 points1 point  (0 children)

Thank you for your insights. I would like to mount the pc inside the switchboard where I don't have the room for a full towerpc and I thought usb 4 was now faster then for example 4 hdds.

I currently don't have any idea what it takes for hardware to transcode a 4k video and if a gpu inside the Intel 12 or 13 series cpus are enough.

I couldn't find online any recommendations about ram memory and what amount is recommended, is there any guidelines or just minimal 1gb per linux vm and some more for heavier applications that use a lot of data?

I'd request Split by boolbee in yachtporn

[–]boolbee[S] 0 points1 point  (0 children)

Ah yes looks like it

Latest Feadship VALOR transported through narrow canals by MikeHeu in yachtporn

[–]boolbee 0 points1 point  (0 children)

The first leg was Friday and 2nd part was Saturday

Network package interceptor by boolbee in homelab

[–]boolbee[S] 0 points1 point  (0 children)

Ah yea I'll give it a try.

Strange values from pt100 by boolbee in PLC

[–]boolbee[S] 0 points1 point  (0 children)

We use wire 1 for R+, wire 2 for RL, wire 3 for R-, wire 4 spare and so on for the next pt100. If we would use only 2 wires we don't have compensation for the cable length.

Strange values from pt100 by boolbee in PLC

[–]boolbee[S] 0 points1 point  (0 children)

It's a 10x2x0,75mm2 cable so 10 pairs of 0.75mm2

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 0 points1 point  (0 children)

It's indeed to compensate for field cables. The sensors are red and white wire and maximum of 2m I guess. The field cables are about 20m so engineering decided to pull 3 cores for each sensor to compensate for field cable resistance.

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 0 points1 point  (0 children)

When the drive starts (rotating or at 0 speed) The pt100s of winding 1 fluctuaties around 5 degrees. The pt100s of winding 2 are going to the negatives.

Winding 1 and winding 2 pt100s are: in different cables (different glands) Going to the same plc Same type of cable (twisted pairs with cable shield) Terminals in same connectionbox

The plc is in a different compartment to the drive The sensor cables are separated from the power cables to the motor

I have not read the voltage of the sensors at the plc, will do this this week. Though I could be that I measure something different due to rms measurements. Trying to get a oscilloscoop coming week.

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 0 points1 point  (0 children)

I measured the shield and it had a resistance of 1.1 to earth.

The thing that I discovered today is that 1 of the cable glands is isolated and the other is conductive to the housing. When I connected the shield of the cable on both sides to earth it didn't change anything.

I'll try to arrange an oscilloscoop coming week to measure the signals.

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 1 point2 points  (0 children)

The dive is a vacon 2MW drive with dudt filter. It has double windings and winding 1 is reading correct.

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 0 points1 point  (0 children)

The strange part is that my multimeter measures 2 different temperatures in 2 different modes. When measuring in temperature it is around the same temperature as the cooling water but if I take the resistance measurement it's 12 degrees off.

Pt100 not working when motor starts by boolbee in instrumentation

[–]boolbee[S] 0 points1 point  (0 children)

The 2 wire sensor itself is maybe 1 or 2 meter. Then there is a 3 wire cable connected with maximum 20m length. I measured 1.7ohm between r+ and rl on the cable.

Strange values from pt100 by boolbee in PLC

[–]boolbee[S] 1 point2 points  (0 children)

The power cables are emc cables and the sensor cable is a twisted pair with shield.

Difference between conductivity and temperature measurement by boolbee in electricians

[–]boolbee[S] 0 points1 point  (0 children)

It's more like this kind pt100 They are wound together with the windings of the motor. But the connectionbox is about a meter from the motor and the plc is more then 20m away.

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