Comments (5)
Hey Addie, I can't reproduce with the latest version on a SE3500K.
There are two registers that indicate the presence of batteries. If these are not "255" (the unset value) then the entire battery block is read. So, in your case these registers are something other than "255". Could you add print(batteries)
to line 525 of __init__.py
and run example.py
again?
from solaredge_modbus.
Line 525 is in the middle of the definition of the meters. I assume you mean line 492.
This is what I did:
And this is the outcome:
[15, 14]
(0, 15)
(1, 14)
{
"c_id": "SunS",
"c_did": 1,
"c_length": 65,
"c_manufacturer": "SolarEdge",
"c_model": "SE7K",
"c_version": "0003.2251",
"c_serialnumber": "removed",
"c_deviceaddress": 1,
"c_sunspec_did": 103,
"c_sunspec_length": 50,
"current": 189,
"l1_current": 49,
"l2_current": 69,
"l3_current": 71,
"current_scale": -2,
"l1_voltage": 3980,
"l2_voltage": 3985,
"l3_voltage": 3997,
"l1n_voltage": 2304,
"l2n_voltage": 2291,
"l3n_voltage": 2294,
"voltage_scale": -1,
"power_ac": 4400,
"power_ac_scale": -2,
"frequency": 4998,
"frequency_scale": -2,
"power_apparent": 4312,
"power_apparent_scale": -1,
"power_reactive": -4290,
"power_reactive_scale": -1,
"power_factor": -9356,
"power_factor_scale": -3,
"energy_total": 21870964,
"energy_total_scale": 0,
"current_dc": 5967,
"current_dc_scale": -5,
"voltage_dc": 7485,
"voltage_dc_scale": -1,
"power_dc": 4467,
"power_dc_scale": -2,
"temperature": 3449,
"temperature_scale": -2,
"status": 4,
"vendor_status": 0,
"rrcr_state": 0,
"active_power_limit": 100,
"cosphi": 0,
"meters": {},
"batteries": {
"Battery1": {
"c_manufacturer": "\u0002",
"c_model": "False",
"c_version": "False",
"c_serialnumber": "False",
"c_deviceaddress": 15,
"c_sunspec_did": 0,
"rated_energy": -3.4028234663852886e+38,
"maximum_charge_continuous_power": -3.4028234663852886e+38,
"maximum_discharge_continuous_power": -3.4028234663852886e+38,
"maximum_charge_peak_power": -3.4028234663852886e+38,
"maximum_discharge_peak_power": -3.4028234663852886e+38,
"average_temperature": -3.4028234663852886e+38,
"maximum_temperature": 0.0,
"instantaneous_voltage": -3.4028234663852886e+38,
"instantaneous_current": -3.4028234663852886e+38,
"instantaneous_power": 0.0,
"lifetime_export_energy_counter": 0,
"lifetime_import_energy_counter": 0,
"maximum_energy": -3.4028234663852886e+38,
"available_energy": -3.4028234663852886e+38,
"soh": -3.4028234663852886e+38,
"soe": -3.4028234663852886e+38,
"status": 7,
"status_internal": 0,
"event_log": 0,
"event_log_internal": 0
},
"Battery2": {
"c_manufacturer": "\u0002",
"c_model": "False",
"c_version": "False",
"c_serialnumber": "False",
"c_deviceaddress": 14,
"c_sunspec_did": 0,
"rated_energy": -3.4028234663852886e+38,
"maximum_charge_continuous_power": -3.4028234663852886e+38,
"maximum_discharge_continuous_power": -3.4028234663852886e+38,
"maximum_charge_peak_power": -3.4028234663852886e+38,
"maximum_discharge_peak_power": -3.4028234663852886e+38,
"average_temperature": -3.4028234663852886e+38,
"maximum_temperature": 0.0,
"instantaneous_voltage": -3.4028234663852886e+38,
"instantaneous_current": -3.4028234663852886e+38,
"instantaneous_power": 0.0,
"lifetime_export_energy_counter": 0,
"lifetime_import_energy_counter": 0,
"maximum_energy": -3.4028234663852886e+38,
"available_energy": -3.4028234663852886e+38,
"soh": -3.4028234663852886e+38,
"soe": -3.4028234663852886e+38,
"status": 7,
"status_internal": 0,
"event_log": 0,
"event_log_internal": 0
}
}
}
from solaredge_modbus.
Ok, so not wholly unexpected. I'd be curious to know what is around those registers. I use the following script to dump large ranges of registers, you could try that and see if there's anything interesting there.
#!/usr/bin/env python3
import argparse
from pymodbus.constants import Endian
from pymodbus.payload import BinaryPayloadDecoder
from pymodbus.client import ModbusTcpClient
from pymodbus.register_read_message import ReadHoldingRegistersResponse
if __name__ == "__main__":
argparser = argparse.ArgumentParser()
argparser.add_argument("host", type=str, help="Modbus TCP address")
argparser.add_argument("port", type=int, help="Modbus TCP port")
argparser.add_argument("--timeout", type=int, default=1, help="Connection timeout")
argparser.add_argument("--unit", type=int, default=1, help="Modbus device address")
args = argparser.parse_args()
client = ModbusTcpClient(
host=args.host,
port=args.port,
timeout=args.timeout,
)
maps = [
(40000, 40070, "base"),
(57600, 57665, "battery1"),
(57865, 57930, "battery2")
]
for start, stop, name in maps:
print(f"\n{name} block ({start}-{stop})\n")
for i in range(start, stop):
result = client.read_holding_registers(i, 1, slave=args.unit)
if not isinstance(result, ReadHoldingRegistersResponse):
continue
if len(result.registers) != 1:
continue
value = BinaryPayloadDecoder.fromRegisters(result.registers, byteorder=Endian.Big, wordorder=Endian.Big)
decoded = value.decode_16bit_uint()
print(i, decoded)
The output I get is:
battery1 block (57600-57665)
57600 0
57616 0
57632 0
57648 0
57664 255
battery2 block (57865-57930)
57872 0
57888 0
57904 0
57920 255
57921 0
The following is a list of blocks as documented by SolarEdge:
# 40000-40069 base
# 40069-40071 inverter1
# 40120-40190 meter1
# 40295-40364 meter2
# 40469-40539 meter3
# 40171-40241 meter1-synergy2
# 40345-40415 meter2-synergy2
# 40519-40589 meter3-synergy2
# 40191-40261 meter1-synergy3
# 40365-40435 meter2-synergy3
# 40539-40609 meter3-synergy3
# 57600-57665 battery1
# 57865-57921 battery2
from solaredge_modbus.
Here's the output of that script: dump.txt
from solaredge_modbus.
Hey @nmakel, just a friendly nudge from my side. How to progress with this?
from solaredge_modbus.
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from solaredge_modbus.