#!/bin/python
from pyModbusTCP.server import ModbusServer, DataBank
from time import sleep
from random import uniform
# Create an instance of ModbusServer
server = ModbusServer("127.0.0.1", 502, no_block=True)
try:
print("Start server...")
server.start()
print("Server is online")
state = [0]
while True:
DataBank.set_words(0, [int(uniform(0, 100))])
if state != DataBank.get_words(1):
state = DataBank.get_words(1)
print("Value of Register 1 has changed to " + str(state))
sleep(0.5)
except:
print("Shutdown server ...")
server.stop()
print("Server is offline")
def lerModbus(self):
zera = DataBank.get_words(1)
if int(zera[0]) == 1:
self.eggCount = 0
zera[0] = 0
DataBank.set_words(1, [0])
import time
from pyModbusTCP.server import ModbusServer, DataBank
from time import sleep
server = ModbusServer("172.17.115.225", 502, no_block=True)
try:
while True:
print("Iniciando servidor...")
server.start()
print("Servidor iniciado")
while True:
DataBank.get_words(0)
DataBank.get_words(1)
DataBank.get_words(2)
sleep(1)
except:
print("Desligando servidor...")
server.stop()
print("Servidor desligado")
"""
Example Modbus Server: run 60 seconds
Reference: https://youtu.be/FYPQgnQE9fk
Author: Zihan
Date: 2021-07-10
"""
from pyModbusTCP.server import ModbusServer, DataBank
import time
try:
server = ModbusServer(host='localhost',
port=1234,
no_block=True)
server.start()
state = 10
t0 = time.time()
while True:
DataBank.set_words(0, [1, 2, 3])
if state != DataBank.get_words(10, 1)[0]:
state = DataBank.get_words(10, 1)[0]
print('state changed to {}'.format(state))
time.sleep(0.05)
if time.time() - t0 > 60:
break
server.stop()
except:
print('Failed to create a server')
print("Starting server...")
server.start()
print("Server online")
# Server enable
DataBank.set_bits(9901, [1])
# Sample Rate (Hz)
DataBank.set_words(39901, [2])
# Fake sensor configuration (LANE 00)
# Lane_Enable
DataBank.set_bits(0, [1])
# Sensor value
DataBank.set_words(30001, [0])
# Raw voltage value (0.1 mV)
DataBank.set_words(30002, [0])
# Sensor type
DataBank.set_words(40001, [0])
# Generate random data
while True:
DataBank.set_words(
30002, [DataBank.get_words(30002)[0] + random.randint(-6, 8)])
DataBank.set_words(30001, [DataBank.get_words(30002)[0] * 1000])
sleep(1 / DataBank.get_words(39901)[0])
except:
print("Server Shutting down")
server.stop()
print("Server offline")
#c.debug(True)
c.host(SERVER_HOST)
c.port(SERVER_PORT)
timea = []
tempb = []
while True:
if not c.is_open():
if not c.open():
print("unable to connect to " + SERVER_HOST + ":" +
str(SERVER_PORT))
if c.is_open():
for addr in range(1):
words = DataBank.get_words(0, 1)
print(words)
def toggle(tog=[0]):
tog[0] = not tog[0]
if tog[0]:
t_btn.config(text='False')
is_ok = c.write_single_coil(addr, tog[0])
#print("bit #" + str(addr) + ": write to " + str(tog[0]))
print(tog[0])
else:
t_btn.config(text='True')
is_ok = c.write_single_coil(addr, tog[0])
#print("bit #" + str(addr) + ": write to " + str(tog[0]))
print(tog[0])
print(words)