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Added more registers and support for total energy generated #1

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f3145af
Added more registers and support for total energy generated
ToeTag Apr 24, 2021
f126cd7
Removed superfluous day-printout
ToeTag Apr 24, 2021
a7ac07c
Restored serial port to USB0
ToeTag Apr 24, 2021
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47 changes: 47 additions & 0 deletions readreg.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,16 @@
#!/usr/bin/env python3
import minimalmodbus
import serial
import struct

#Support functions

def convertToFloat(input_int):
#read_long returns a 32-bit int, convert to float...
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@plopp plopp Apr 25, 2021

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This does not seem to be correct. From the datasheet the integer returned should be divided by 100 to get the floating point value.

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@plopp plopp Apr 25, 2021

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https://www.developpez.net/forums/attachments/p196506d1451307310/systemes/autres-systemes/automation/probleme-com-modbus-pl7-pro/controllerprotocolv2.3.pdf/

packed_v = struct.pack('>l', input_int)
output_float = struct.unpack('>f', packed_v)[0]
return output_float


# Set to true to edit values
WRITE = True
Expand Down Expand Up @@ -34,6 +44,26 @@
BAT_SOC = 0x311A
BAT_RATED_VOLTAGE = 0x9067

BAT_VOLTAGE_MAX_DAY = 0x3302# 00: 00 Refresh every day V 100
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@plopp plopp Apr 25, 2021

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This seems to be some copy/paste garbage? Please remove.

BAT_VOLTAGE_MIN_DAY = 0x3303# 00: 00 Refresh every day V 100
CONS_ENERGY_TODAY_L = 0x3304# 00: 00 Clear every day KWH 100
CONS_ENERGY_TODAY_H = 0x3305# 100
CONS_ENERGY_MONTH_L = 0x3306# 00: 00 Clear on the first day of month 100
CONS_ENERGY_MONTH_H = 0x3307# KWH 100
CONS_ENERGY_YEAR_L = 0x3308# 00: 00 Clear on 1, Jan. 100
CONS_ENERGY_YEAR_H = 0x3309# 100
CONS_ENERGY_TOTAL_L = 0x330A# 100
CONS_ENERGY_TOTAL_H = 0x330B# KWH 100
GEN_ENERGY_TODAY_L = 0x330C# 00: 00 Clear every day. 100
GEN_ENERGY_TODAY_H = 0x330D# 100
GEN_ENERGY_MONTH_L = 0x330E# 00: 00 Clear on the first day of month. 100
GEN_ENERGY_MONTH_H = 0x330F# KWH 100
GEN_ENERGY_YEAR_L = 0x3310# 00: 00 Clear on 1, Jan. 100
GEN_ENERGY_YEAR_H = 0x3311# KWH 100
GEN_ENERGY_TOTAL_L = 0x3312# KWH 100
GEN_ENERGY_TOTAL_H = 0x3313# 100


# Print panel info
pv_voltage = instrument.read_register(
PV_VOLTAGE, 2, 4, False
Expand All @@ -54,6 +84,22 @@
) # Registernumber, number of decimals
print("Batt. temp:\t" + str(temperature) + "C")

gen_energy_day=instrument.read_long(
GEN_ENERGY_TODAY_L, 4, False, 0) # Registernumber, number of decimals
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@plopp plopp Apr 25, 2021

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Repeated comment. Please remove.

f = convertToFloat(gen_energy_day)
print("Energy today:\t" + str(f) + str("kWh"))

gen_energy_month=instrument.read_long(
GEN_ENERGY_MONTH_L, 4, False, 0) # Registernumber, number of decimals
f = convertToFloat(gen_energy_month)
print("Energy month:\t" + str(f) + str("kWh"))

gen_energy_year=instrument.read_long(
GEN_ENERGY_YEAR_L, 4, False, 0) # Registernumber, number of decimals
f = convertToFloat(gen_energy_year)
print("Energy year:\t" + str(f) + str("kWh"))


if WRITE:
# Set battery type, 1 = Sealed
sealed = 1
Expand Down Expand Up @@ -102,3 +148,4 @@
print("Voltage configuration:")
val = instrument.read_register(0x900E, 2, 3, False)
print(val)