Modbus - TEMP/HUM meter - F2000TSM

Maatwerk apparaat/sensor door Feenstra

Informatie:

TESTS:

Werkt al vanaf 8V
Gemeten verbruik is 0.014A

Foto’s

Modbus registers

Uitlezen

Modbus gegevens (kort)

Omschrijving:	Waarde:
Modbus type	RS485
Modbus protocol	RTU
Baudrate	19200
Stopbits	1
Bytesize	8
Parity	N

Omschrijving:	Eenheid:	Register locatie:	Modus functie:	Bytes (eigenlijk x2 (16 bit)):	Formule:	Opmerkingen:
Temperatuur	C	0	04	2 (Float, Big endian > ABCD)	nvt
Luchtvochtigheid	%	2	04	2 (Float, Big endian > ABCD)	nvt

READ Voorbeelden (ter info)

DEBUG:pymodbus.transaction:send: 0xb 0x4 0x0 0x0 0x0 0x2 0x71 0x61

True
DEBUG:pymodbus.transaction:Running transaction 1
DEBUG:pymodbus.transaction:send: 0xb 0x4 0x0 0x0 0x0 0x2 0x71 0x61
DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char
DEBUG:pymodbus.transaction:recv: 0xb 0x4 0x4 0x41 0xc0 0xcc 0xcd 0xd1 0x11
DEBUG:pymodbus.factory:Factory Response[4]
DEBUG:pymodbus.transaction:adding transaction 0
DEBUG:pymodbus.transaction:getting transaction 1
ReadRegisterResponse (2)
waarde_0: 16832
waarde_1: 52429
waarde_float: 24.1000003815

True

DEBUG:pymodbus.transaction:Running transaction 1

DEBUG:pymodbus.transaction:send: 0xb 0x4 0x0 0x0 0x0 0x2 0x71 0x61

DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char

DEBUG:pymodbus.transaction:recv: 0xb 0x4 0x4 0x41 0xc0 0xcc 0xcd 0xd1 0x11

DEBUG:pymodbus.factory:Factory Response[4]

DEBUG:pymodbus.transaction:adding transaction 0

DEBUG:pymodbus.transaction:getting transaction 1

ReadRegisterResponse (2)

waarde_0: 16832

waarde_1: 52429

waarde_float: 24.1000003815

0x41 0xc0 0xcc 0xcd = 41c0cccd = 24.1 graden

WRITE Voorbeelden (ter info)

Adres 20 instellen met het volgende commando:

builder = BinaryPayloadBuilder(endian=Endian.Big)
builder.add_32bit_float(20.00)
payload = builder.build()
data = client.write_registers(16, payload, skip_encode=True, unit=11)

builder = BinaryPayloadBuilder(endian=Endian.Big)

builder.add_32bit_float(20.00)

payload = builder.build()

data = client.write_registers(16, payload, skip_encode=True, unit=11)

DEBUG:pymodbus.transaction:Running transaction 1
DEBUG:pymodbus.transaction:send: 0xb 0x10 0x0 0x10 0x0 0x2 0x4 0x41 0xa0 0x0 0x0 0xc7 0x65
DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char
DEBUG:pymodbus.transaction:recv: 0xb 0x10 0x0 0x10 0x0 0x2 0x40 0xa7
DEBUG:pymodbus.factory:Factory Response[16]
DEBUG:pymodbus.transaction:adding transaction 0
DEBUG:pymodbus.transaction:getting transaction 1
WriteMultipleRegisterResponse (16,2)

DEBUG:pymodbus.transaction:Running transaction 1

DEBUG:pymodbus.transaction:send: 0xb 0x10 0x0 0x10 0x0 0x2 0x4 0x41 0xa0 0x0 0x0 0xc7 0x65

DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char

DEBUG:pymodbus.transaction:recv: 0xb 0x10 0x0 0x10 0x0 0x2 0x40 0xa7

DEBUG:pymodbus.factory:Factory Response[16]

DEBUG:pymodbus.transaction:adding transaction 0

DEBUG:pymodbus.transaction:getting transaction 1

WriteMultipleRegisterResponse (16,2)

Zet naar 9600 baudrate met het commando:

builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big
builder.add_32bit_float(2.00)
payload = builder.build()
data = client.write_registers(18, payload, skip_encode=True, unit=11)

builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big

builder.add_32bit_float(2.00)

payload = builder.build()

data = client.write_registers(18, payload, skip_encode=True, unit=11)

DEBUG:pymodbus.transaction:Running transaction 1
DEBUG:pymodbus.transaction:send: 0xb 0x10 0x0 0x12 0x0 0x2 0x4 0x40 0x0 0x0 0x0 0x47 0x62
DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char
DEBUG:pymodbus.transaction:recv: 0xb 0x10 0x0 0x12 0x0 0x2 0xe1 0x67
DEBUG:pymodbus.factory:Factory Response[16]
DEBUG:pymodbus.transaction:adding transaction 0
DEBUG:pymodbus.transaction:getting transaction 1
WriteMultipleRegisterResponse (18,2)

DEBUG:pymodbus.transaction:Running transaction 1

DEBUG:pymodbus.transaction:send: 0xb 0x10 0x0 0x12 0x0 0x2 0x4 0x40 0x0 0x0 0x0 0x47 0x62

DEBUG:pymodbus.client.sync:will sleep to wait for 3.5 char

DEBUG:pymodbus.transaction:recv: 0xb 0x10 0x0 0x12 0x0 0x2 0xe1 0x67

DEBUG:pymodbus.factory:Factory Response[16]

DEBUG:pymodbus.transaction:adding transaction 0

DEBUG:pymodbus.transaction:getting transaction 1

WriteMultipleRegisterResponse (18,2)

Python scripts

#!/usr/bin/env python
# Script gemaakt door S. Ebeltjes (domoticx.nl)
# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

import f2000tsmth

#f2000tsmth.setadres(11, 16) # Adres instellen oudadres,nieuwadres
#f2000tsmth.setbaud(11, 4)   # Baudrate instellen apparaat adres,baudrate (raadpleeg handleiding)

# Aanroep: f2000tsmth.[functie](apparaat id)

print f2000tsmth.temp(11)
print f2000tsmth.hum(11)

#!/usr/bin/env python

# Script gemaakt door S. Ebeltjes (domoticx.nl)

# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

import f2000tsmth

#f2000tsmth.setadres(11, 16) # Adres instellen oudadres,nieuwadres

#f2000tsmth.setbaud(11, 4) # Baudrate instellen apparaat adres,baudrate (raadpleeg handleiding)

# Aanroep: f2000tsmth.[functie](apparaat id)

print f2000tsmth.temp(11)

print f2000tsmth.hum(11)

#!/usr/bin/env python

# Script gemaakt door S. Ebeltjes (domoticx.nl)
# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

method = "rtu"
port = "/dev/ttyUSB0"
baudrate = 19200
stopbits = 1
bytesize = 8
parity = "N"
timeout = 1
retries = 2

#!/usr/bin/env python

# Script gemaakt door S. Ebeltjes (domoticx.nl)

# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

method = "rtu"

port = "/dev/ttyUSB0"

baudrate = 19200

stopbits = 1

bytesize = 8

parity = "N"

timeout = 1

retries = 2

#!/usr/bin/env python

# Modbus uitlezen
# Apparaat: F2000TSM - AT-TRH-M-200-V-RS (TEMP/HUM meter)
#
# Script gemaakt door S. Ebeltjes (domoticx.nl)
# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

from __future__ import division
import pymodbus
import serial
from pymodbus.pdu import ModbusRequest
from pymodbus.client.sync import ModbusSerialClient as ModbusClient #initialize a serial RTU client instance
from pymodbus.transaction import ModbusRtuFramer

from pymodbus.constants import Endian              # Nodig voor 32-bit float getallen (2 registers / 4 bytes)
from pymodbus.payload import BinaryPayloadDecoder  # Nodig voor 32-bit float getallen (2 registers / 4 bytes)
from pymodbus.payload import BinaryPayloadBuilder  # Nodig om 32-bit floats te schrijven naar register

import f2000tsmth_conf

try:
  client = ModbusClient(method = f2000tsmth_conf.method, port = f2000tsmth_conf.port, stopbits = f2000tsmth_conf.stopbits, bytesize = f2000tsmth_conf.bytesize, parity = f2000tsmth_conf.parity, baudrate = f2000tsmth_conf.baudrate, timeout = f2000tsmth_conf.timeout, retries = f2000tsmth_conf.retries)
  connection = client.connect()
except:
  print "Modbus connectie error / F2000TSM - AT-TRH-M-200-V-RS"

# LEES Temperatuur uit
def temp(appid):
  try:
    data = client.read_input_registers(0, 2, unit=appid) 
    decoder = BinaryPayloadDecoder.fromRegisters(data.registers, endian=Endian.Big)
    client.close()
    return round(decoder.decode_32bit_float(), 2)
  except:
    print "Modbus register error (temp)"
    return 0

# LEES Luchtvochtigheid uit
def hum(appid):
  try:
    data = client.read_input_registers(2, 2, unit=appid) 
    decoder = BinaryPayloadDecoder.fromRegisters(data.registers, endian=Endian.Big)
    client.close()
    return round(decoder.decode_32bit_float(), 2)
  except:
    print "Modbus register error (hum)"
    return 0

# SCHRIJF nieuw adres
def setadres(appid, newid):
  try:
    builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big
    builder.add_32bit_float(newid)
    payload = builder.build()
    data = client.write_registers(16, payload, skip_encode=True, unit=appid)
    client.close()
    print "Adres aangepast van", appid, "naar", newid
    return 1
  except:
    print "Modbus register error (setadres)"
    return 0

# SCHRIJF andere baudrate
def setbaud(appid, baudrate):
  try:
    builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big
    builder.add_32bit_float(baudrate)
    payload = builder.build()
    data = client.write_registers(18, payload, skip_encode=True, unit=appid)
    client.close()
    print "Baudrate aangepast naar", baudrate
    return 1
  except:
    print "Modbus register error (setbaud)"
    return 0

#!/usr/bin/env python

# Modbus uitlezen

# Apparaat: F2000TSM - AT-TRH-M-200-V-RS (TEMP/HUM meter)

# Script gemaakt door S. Ebeltjes (domoticx.nl)

# Kopieren (of delen hiervan) is verboden zonder toestemming van de eigenaar!

from __future__ import division

import pymodbus

import serial

from pymodbus.pdu import ModbusRequest

from pymodbus.client.sync import ModbusSerialClient as ModbusClient #initialize a serial RTU client instance

from pymodbus.transaction import ModbusRtuFramer

from pymodbus.constants import Endian # Nodig voor 32-bit float getallen (2 registers / 4 bytes)

from pymodbus.payload import BinaryPayloadDecoder # Nodig voor 32-bit float getallen (2 registers / 4 bytes)

from pymodbus.payload import BinaryPayloadBuilder # Nodig om 32-bit floats te schrijven naar register

import f2000tsmth_conf

try:

client = ModbusClient(method = f2000tsmth_conf.method, port = f2000tsmth_conf.port, stopbits = f2000tsmth_conf.stopbits, bytesize = f2000tsmth_conf.bytesize, parity = f2000tsmth_conf.parity, baudrate = f2000tsmth_conf.baudrate, timeout = f2000tsmth_conf.timeout, retries = f2000tsmth_conf.retries)

connection = client.connect()

except:

print "Modbus connectie error / F2000TSM - AT-TRH-M-200-V-RS"

# LEES Temperatuur uit

def temp(appid):

try:

data = client.read_input_registers(0, 2, unit=appid)

decoder = BinaryPayloadDecoder.fromRegisters(data.registers, endian=Endian.Big)

client.close()

return round(decoder.decode_32bit_float(), 2)

except:

print "Modbus register error (temp)"

return 0

# LEES Luchtvochtigheid uit

def hum(appid):

try:

data = client.read_input_registers(2, 2, unit=appid)

decoder = BinaryPayloadDecoder.fromRegisters(data.registers, endian=Endian.Big)

client.close()

return round(decoder.decode_32bit_float(), 2)

except:

print "Modbus register error (hum)"

return 0

# SCHRIJF nieuw adres

def setadres(appid, newid):

try:

builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big

builder.add_32bit_float(newid)

payload = builder.build()

data = client.write_registers(16, payload, skip_encode=True, unit=appid)

client.close()

print "Adres aangepast van", appid, "naar", newid

return 1

except:

print "Modbus register error (setadres)"

return 0

# SCHRIJF andere baudrate

def setbaud(appid, baudrate):

try:

builder = BinaryPayloadBuilder(endian=Endian.Big) # endian=Endian.Little / endian=Endian.Big

builder.add_32bit_float(baudrate)

payload = builder.build()

data = client.write_registers(18, payload, skip_encode=True, unit=appid)

client.close()

print "Baudrate aangepast naar", baudrate

return 1

except:

print "Modbus register error (setbaud)"

return 0

Zoeken

Modbus – TEMP/HUM meter – F2000TSM – AT-TRH-M-200-V-RS

Maatwerk apparaat/sensor door Feenstra

Informatie:

Foto’s

Modbus registers

Uitlezen

Python scripts