Mercury/Меркурий 236

Mercury 236 (http://www.incotexcom.ru/m236art.htm) power meter communication utility.

RS485 USB dongle is used to connect to the power meter and to collect grid power measures including voltage, current, consumption power, counters, cos(f) etc.

License

This sources is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

You should have received a copy of the GNU Lesser General Public License along with this script; if not, please visit http://www.gnu.org/copyleft/gpl.html for more information.

Build and use

git clone https://github.com/Shden/mercury236.git
cd mercury236
make

./mercury236 /dev/ttyS0 --help
Usage: mercury236 RS485 [OPTIONS] ...
RS485 address of RS485 dongle (e.g. /dev/ttyUSB0), required
--debug to print extra debug info
--testRun dry run to see output sample, no hardware required
Output formatting:
....
--help prints this screen

then try to run with json switch:

./mercury236 /dev/ttyS0 --json  
{
                "U": {
                               "p1": 0.35,
                               "p2": 0.35,
                               "p3": 226.86
                },
                "I": {
                               "p1": 0.00,
                               "p2": 0.00,
                               "p3": 0.39
                },
                "CosF": {
                               "p1": 0.00,
                               "p2": 0.00,
                               "p3": 0.60,
                               "sum": 0.60
                },
                "F": 50.00,
                "A": {
                               "p1": 41943.03,
                               "p2": 41943.03,
                               "p3": 41943.03
                },
                "P": {
                               "p1": 0.00,
                               "p2": 0.00,
                               "p3": 53.45,
                               "sum": 53.45
                },
                "S": {
                               "p1": 0.00,
                               "p2": 0.00,
                               "p3": 89.83,
                               "sum": 89.83
                },
                "PR": {
                               "ap": 120.51
                },
                "PR-day": {
                               "ap": 86.00
                },
                "PR-night": {
                               "ap": 34.51
                },
                "PY": {
                               "ap": 0.00
                },
                "PT": {
                               "ap": 0.04
                }
}

See also

Small port for OpenWrt package here - https://github.com/ZigFisher/Glutinium/tree/master/mercury236.