Initial support for Algodue UEM meters on CP0 and CP1 and as EVU-Kit

packages/modules/common/algodue.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+import logging
+from typing import List, Tuple, Optional
+
+from modules.common import modbus
+from modules.common.abstract_counter import AbstractCounter
+from modules.common.modbus import ModbusDataType
+
+log = logging.getLogger(__name__)
+
+
+class Algodue(AbstractCounter):
+    serial_cached: Optional[str] = None
+    model_cached: Optional[str] = None
+
+    def __init__(self, modbus_id: int, client: modbus.ModbusTcpClient_) -> None:
+        self.client = client
+        self.id = modbus_id
+
+    def get_imported(self) -> float:
+        return self.client.read_input_registers(0x1106, ModbusDataType.FLOAT_32, unit=self.id)
+
+    def get_exported(self) -> float:
+        return self.client.read_input_registers(0x110e, ModbusDataType.FLOAT_32, unit=self.id)
+
+    def get_frequency(self) -> float:
+        return self.client.read_input_registers(0x1038, ModbusDataType.FLOAT_32, unit=self.id)
+
+    def get_serial_number(self) -> Optional[str]:
+        # serial will never change - at least until power cycle
+        if self.serial_cached is not None:
+            return self.serial_cached
+
+        serial_chars = self.client.read_holding_registers(0x500, [ModbusDataType.UINT_8]*10, unit=self.id)
+        serial_string = ""
+        for x in serial_chars:
+            serial_string += chr(x)
+        # due to caching this appears rarely - but it's nice to have always have it in main log
+        log.error("Algodue meter serial " + serial_string)
+        self.serial_cached = serial_string
+        return self.serial_cached
+
+    def get_currents(self) -> List[float]:
+        return self.client.read_input_registers(0x100E, [ModbusDataType.FLOAT_32]*3, unit=self.id)
+
+    def get_power_factors(self) -> List[float]:
+        return self.client.read_input_registers(0x1018, [ModbusDataType.FLOAT_32]*3, unit=self.id)
+
+    def get_power(self) -> Tuple[List[float], float]:
+        powers = self.client.read_input_registers(0x1020, [ModbusDataType.FLOAT_32]*3, unit=self.id)
+        power = sum(powers)
+        return powers, power
+
+    def get_voltages(self) -> List[float]:
+        return self.client.read_input_registers(0x1000, [ModbusDataType.FLOAT_32]*3, unit=self.id)
+
+    def get_model(self) -> Optional[str]:
+        # model will never change - at least until power cycle
+        if self.model_cached is not None:
+            return self.model_cached
+
+        model_id = self.client.read_holding_registers(0x505, ModbusDataType.UINT_16, unit=self.id)
+        model_string = "unknown"
+        if model_id == 0x03:
+            model_string = "6 A, 3 phases, 4 wires"
+        elif model_id == 0x08:
+            model_string = "80 A, 3 phases, 4 wires"
+        elif model_id == 0x0c:
+            model_string = "80 A, 1 phase, 2 wires"
+        elif model_id == 0x10:
+            model_string = "40 A, 1 phase, 2 wires"
+        elif model_id == 0x12:
+            model_string = "63 A, 3 phases, 4 wires"
+
+        type_id = self.client.read_holding_registers(0x506, ModbusDataType.UINT_16, unit=self.id)
+        type_string = "unknown"
+        if type_id == 0x00:
+            type_string = "NO MID, RESET"
+        elif type_id == 0x01:
+            type_string = "MID"
+        elif type_id == 0x02:
+            type_string = "NO MID"
+        elif type_id == 0x03:
+            type_string = "NO MID, Wiring selection"
+        elif type_id == 0x05:
+            type_string = "MID no varh"
+        elif type_id == 0x09:
+            type_string = "MID Wiring selection"
+        elif type_id == 0x0a:
+            type_string = "MID no varh, Wiring selection"
+        elif type_id == 0x0b:
+            type_string = "NO MID, RESET, Wiring selection"
+        meterinfo = "Algodue UEM " + model_string + ", " + type_string
+
+        # due to caching this appears rarely - but it's nice to have always have it in main log
+        log.error("Algodue model: " + meterinfo)
+        self.model_cached = meterinfo
+        return self.model_cached

packages/modules/internal_chargepoint_handler/clients.py

@@ -6,7 +6,7 @@
 from modules.common.hardware_check import SeriesHardwareCheckMixin
 
 from modules.common.modbus import ModbusSerialClient_, ModbusTcpClient_
-from modules.common import mpm3pm, sdm
+from modules.common import mpm3pm, sdm, algodue
 from modules.common import evse
 from modules.common import b23
 
@@ -15,13 +15,19 @@
 
 BUS_SOURCES = ("/dev/ttyUSB0", "/dev/ttyUSB1", "/dev/ttyACM0", "/dev/serial0")
 
-METERS = Union[mpm3pm.Mpm3pm, sdm.Sdm630_72, b23.B23]
+METERS = Union[mpm3pm.Mpm3pm, sdm.Sdm630_72, b23.B23, algodue.Algodue]
 meter_config = NamedTuple("meter_config", [('type', METERS), ('modbus_id', int)])
+
+# Note: Algodue meters expect entry of modbus ID in hex. 9b = 155, 9c = 156.
+#       We code ID in hex here so it's exactly what must be entered in meter.
 CP0_METERS = [meter_config(mpm3pm.Mpm3pm, modbus_id=5),
               meter_config(sdm.Sdm630_72, modbus_id=105),
-              meter_config(b23.B23, modbus_id=201)]
+              meter_config(b23.B23, modbus_id=201),
+              meter_config(algodue.Algodue, modbus_id=0x9b)]
 
-CP1_METERS = [meter_config(mpm3pm.Mpm3pm, modbus_id=6), meter_config(sdm.Sdm630_72, modbus_id=106)]
+CP1_METERS = [meter_config(mpm3pm.Mpm3pm, modbus_id=6),
+              meter_config(sdm.Sdm630_72, modbus_id=106),
+              meter_config(algodue.Algodue, modbus_id=0x9c)]
 
 EVSE_ID_CP0 = [1]
 EVSE_ID_TWO_BUSSES_CP1 = [1, 2]
@@ -67,7 +73,7 @@ def find_meter_client(meters: List[meter_config], client: Union[ModbusSerialClie
                 try:
                     if meter_client.get_voltages()[0] > 200:
                         with ModifyLoglevelContext(log, logging.DEBUG):
-                            log.debug("Verbauter Zähler: "+str(meter_type)+" mit Modbus-ID: "+str(modbus_id))
+                            log.error("Verbauter Zähler: "+str(meter_type)+" mit Modbus-ID: "+str(modbus_id))
                         return meter_client
                 except Exception:
                     log.debug(client)