MC050 PVG Power output limits

[oiltronic]

Can I use one MC050-010 PVG Power pin (p34-36) to power more than 3 PVEA coils, say, 5?  The controller output pin is rated 3A while the PVEA coils draw only 0.17A.

[Stefan]

Yes, since these are Digital outputs.

It's not possible with PWM outputs.

Best regards
Stefan Arvidsson

[Marbek_Elektronik]

But whats about driving PVEH at voltages at 10V (machine starting for example)?
At 24V you have 0,3A, at 12V: 0,57A, at 10V: 0,7A (10Watt) !
Now, if you drive 5 PVEHs, the current will be 3,5A, which is to big!

I think, you must not drive more then 4 PVEHs on a digital output PIN.
PVEA will be no problem because of lower current.

Is this OK?

[Quax76]

I think this should not be a problem because you only power on the PVE when a valve is actuated.
How great is the likelihood, that you use 5 valves at the starting of the machine?

[Marbek_Elektronik]

It is not only by starting a machine.
Perhaps there are several switches between Batterie and controller, or long cables.
I have seen a lot of this in practice.
So, if you use outputs, which are combined, I think, 3 PVEHs are enough.

[Marbek_Elektronik]

By using paired outputs, the maximum current at 70°C (in the box!) is 4A for both!
One output can only drive 2A.
If you have 3 PVEs, it is 0,7A/PVE!