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2023 Jan 13
1
battery.voltage Powercom Macan MRT-3000
...DEX : 5378
? HEX : 1502 (Low : 15 / High : 02)
? Battery one cell voltage : [High + (Low/100)] : 2.21
? Battery voltage : 2.21 * 6 * 6 = 79.56 Vol (1 package with 6 cells / MRT has 6 packages)
Best regards
Sandy Chang, Powercom Taiwan HQ
-----Original Message-----
From: Alex Rydzewski [mailto:arydzewski at elyland.net]
Sent: Thursday, January 12, 2023 5:47 PM
To:pcm.eu at upspowercom.com
Subject: MRT-3000 USB battery.voltage
Hello!
I have the MRT-3000 UPS and try to get real battery voltage through USB.
USB protocol reference has specify for battery.voltage:
report id | Usage | Usage Name...
2023 Jan 13
1
battery.voltage Powercom Macan MRT-3000
I suppose, this approach may be apply to some other data from that UPS.
I could check another values and ask powercom support for other data
items to explain interpretation, if it will help.
On 13.01.23 14:22, Greg Troxel wrote:
> That makes sense to me. The field needs to be split into bytes. The
> low byte is the integer part of voltags, and the high part is units of
> 10 mV. And