inverter was included

This commit is contained in:
Nils Reiners
2025-09-16 12:52:27 +02:00
parent 2186c4d7db
commit 5319a299be
14 changed files with 143 additions and 14 deletions

38
README
View File

@@ -11,10 +11,42 @@ Was needs to be done on the Raspberry pi before the tool can run.
- pip install -r requirements.txt - pip install -r requirements.txt
How to run the script: 3) How to run the script for testing:
- nohup python main.py > terminal_log 2>&1 & nohup python main.py > terminal_log 2>&1 &
For reading out the terminal_log while script is runing: For reading out the terminal_log while script is runing:
- tail -f terminal_log tail -f terminal_log
4) Implement and run the ems as systemd service:
create:
/etc/systemd/system/allmende_ems.service
insert:
[Unit]
Description=Allmende EMS Python Script
After=network.target
[Service]
WorkingDirectory=/home/pi/projects/allmende_ems
ExecStart=/home/pi/allmende_ems/bin/python3.11 /home/pi/projects/allmende_ems/main.py
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal
[Install]
WantedBy=multi-user.target
manage the service with the following commands:
Once:
sudo systemctl daemon-reload
sudo systemctl start allmende_ems.service
sudo systemctl enable allmende_ems.service
While running:
sudo systemctl status allmende_ems.service
sudo systemctl restart allmende_ems.service
sudo systemctl stop allmende_ems.service
journalctl -u allmende_ems.service

Binary file not shown.

Binary file not shown.

View File

@@ -3,16 +3,17 @@ import pandas as pd
import time import time
class HeatPump: class HeatPump:
def __init__(self, device_name: str, ip_address: str): def __init__(self, device_name: str, ip_address: str, port: int=502):
self.device_name = device_name self.device_name = device_name
self.ip = ip_address self.ip = ip_address
self.port = port
self.client = None self.client = None
self.connect_to_modbus() self.connect_to_modbus()
self.registers = None self.registers = None
self.get_registers() self.get_registers()
def connect_to_modbus(self): def connect_to_modbus(self):
port = 502 port = self.port
self.client = ModbusTcpClient(self.ip, port=port) self.client = ModbusTcpClient(self.ip, port=port)
try: try:
if not self.client.connect(): if not self.client.connect():

14
main.py
View File

@@ -3,22 +3,26 @@ from datetime import datetime
from data_base_csv import DataBaseCsv from data_base_csv import DataBaseCsv
from data_base_influx import DataBaseInflux from data_base_influx import DataBaseInflux
from heat_pump import HeatPump from heat_pump import HeatPump
from pv_inverter import PvInverter
from shelly_pro_3m import ShellyPro3m from shelly_pro_3m import ShellyPro3m
# For dev-System run in terminal: ssh -N -L 127.0.0.1:8111:10.0.0.10:502 pi@192.168.1.146
# For productive-System change port in heatpump to 502
interval_seconds = 10 interval_seconds = 10
db = DataBaseInflux( db = DataBaseInflux(
url="http://localhost:8086", url="http://192.168.1.146:8086",
token="Cw_naEZyvJ3isiAh1P4Eq3TsjcHmzzDFS7SlbKDsS6ZWL04fMEYixWqtNxGThDdG27S9aW5g7FP9eiq5z1rsGA==", token="Cw_naEZyvJ3isiAh1P4Eq3TsjcHmzzDFS7SlbKDsS6ZWL04fMEYixWqtNxGThDdG27S9aW5g7FP9eiq5z1rsGA==",
org="allmende", org="allmende",
bucket="allmende_db" bucket="allmende_db"
) )
hp = HeatPump(device_name='hp_master', ip_address='10.0.0.10') hp = HeatPump(device_name='hp_master', ip_address='localhost', port=8111)
shelly = ShellyPro3m(device_name='wohnung_2_6', ip_address='192.168.1.121') shelly = ShellyPro3m(device_name='wohnung_2_6', ip_address='192.168.1.121')
wr = SolarEdgeWechselrichter(device_name='wr_master', ip_address='192.168.1.112') wr = PvInverter(device_name='wr_master', ip_address='192.168.1.112')
controller = SgReadyController(hp, wr) #controller = SgReadyController(hp, wr)
while True: while True:
now = datetime.now() now = datetime.now()
@@ -26,6 +30,6 @@ while True:
db.store_data(hp.device_name, hp.get_state()) db.store_data(hp.device_name, hp.get_state())
db.store_data(shelly.device_name, shelly.get_state()) db.store_data(shelly.device_name, shelly.get_state())
db.store_data(wr.device_name, wr.get_state()) db.store_data(wr.device_name, wr.get_state())
controller.perform_action() #controller.perform_action()
time.sleep(0.1) time.sleep(0.1)

22
make_tunnel.py Normal file
View File

@@ -0,0 +1,22 @@
from sshtunnel import SSHTunnelForwarder
# ---- KONFIG ----
SSH_HOST = "192.168.1.146" # Raspberry Pi im 192.168.1.x Netz
SSH_PORT = 22
SSH_USER = "pi"
PASSWORD = 'raspberry' # oder Passwort als String
REMOTE_IP = "10.0.0.10" # Wärmepumpe im 10.0.0.x Netz
REMOTE_PORT = 502 # Modbus/TCP Port
def make_tunnel(port):
tunnel = SSHTunnelForwarder(
(SSH_HOST, SSH_PORT),
ssh_username=SSH_USER,
ssh_password=PASSWORD,
remote_bind_address=(REMOTE_IP, REMOTE_PORT),
local_bind_address=("127.0.0.1", port),
)
tunnel.start()
return tunnel

Binary file not shown.

68
pv_inverter.py Normal file
View File

@@ -0,0 +1,68 @@
import time
import pandas as pd
from pymodbus.client import ModbusTcpClient
class PvInverter:
def __init__(self, device_name: str, ip_address: str, port: int = 502, unit: int = 1):
self.device_name = device_name
self.ip = ip_address
self.port = port
self.unit = unit
self.client = None
self.registers = None
self.connect_to_modbus()
self.get_registers()
def connect_to_modbus(self):
# Timeout & retries optional, aber hilfreich:
self.client = ModbusTcpClient(self.ip, port=self.port, timeout=3.0, retries=3)
if not self.client.connect():
print("Verbindung zu Wechselrichter fehlgeschlagen.")
raise SystemExit(1)
print("Verbindung zu Wechselrichter erfolgreich.")
# WICHTIG: NICHT hier schließen!
# finally: self.client.close() <-- entfernen
def close(self):
if self.client:
self.client.close()
self.client = None
def get_registers(self):
excel_path = "modbus_registers/pv_inverter_registers.xlsx"
xls = pd.ExcelFile(excel_path)
df_input_registers = xls.parse()
df_clean = df_input_registers[['MB Adresse', 'Beschreibung', 'Variabel Typ']].dropna()
df_clean['MB Adresse'] = df_clean['MB Adresse'].astype(int)
self.registers = {
row['MB Adresse']: {
'desc': row['Beschreibung'],
'type': 'REAL' if str(row['Variabel Typ']).upper() == 'REAL' else 'INT'
}
for _, row in df_clean.iterrows()
}
def get_state(self):
data = {'Zeit': time.strftime('%Y-%m-%d %H:%M:%S')}
for address, info in self.registers.items():
reg_type = info['type']
# Unit-ID mitgeben (wichtig bei pymodbus>=3)
result = self.client.read_holding_registers(
address=address,
count=2 if reg_type == 'REAL' else 1,
slave=self.unit # pymodbus 2.x -> 'slave', nicht 'unit'
)
if result.isError():
print(f"Fehler beim Lesen von Adresse {address}: {result}")
continue
# Minimal invasiv: wie bei dir erstes Register verwenden
value = result.registers[0]
print(f"Adresse {address} - {info['desc']}: {value}")
data[f"{address} - {info['desc']}"] = value
return data

View File

@@ -1,3 +1,4 @@
pymodbus~=3.8.6 pymodbus~=3.8.6
pandas pandas
openpyxl openpyxl
sshtunnel

View File

@@ -5,16 +5,17 @@ import pandas as pd
import time import time
class ShellyPro3m: class ShellyPro3m:
def __init__(self, device_name: str, ip_address: str): def __init__(self, device_name: str, ip_address: str, port: int=502):
self.device_name = device_name self.device_name = device_name
self.ip = ip_address self.ip = ip_address
self.port = port
self.client = None self.client = None
self.connect_to_modbus() self.connect_to_modbus()
self.registers = None self.registers = None
self.get_registers() self.get_registers()
def connect_to_modbus(self): def connect_to_modbus(self):
port = 502 port = self.port
self.client = ModbusTcpClient(self.ip, port=port) self.client = ModbusTcpClient(self.ip, port=port)
try: try:
if not self.client.connect(): if not self.client.connect():

View File

@@ -4,7 +4,7 @@ import sys
from typing import Optional from typing import Optional
# === Verbindungseinstellungen === # === Verbindungseinstellungen ===
MODBUS_IP = "192.168.1.107" MODBUS_IP = "192.168.1.112"
MODBUS_PORT = 502 # SetApp: 1502; LCD-Menü: 502 -> ggf. anpassen MODBUS_PORT = 502 # SetApp: 1502; LCD-Menü: 502 -> ggf. anpassen
UNIT_ID = 1 # Default laut Doku: 1 UNIT_ID = 1 # Default laut Doku: 1