class ModbusClientRS: def __init__(self): self.client = ModbusClient() def writeRegister(self, address, value): if self.client.is_open(): return self.client.write_single_register(address, value) return None def readRegister(self, address, value): if self.client.is_open(): self.client.read_holding_registers(address, value) def connect(self, host, port): # self.client.debug(True) self.client.host(SERVER_HOST) self.client.port(SERVER_PORT) if not self.client.is_open(): if not self.client.open(): print("unable to connect to " + SERVER_HOST + ":" + str(SERVER_PORT)) def is_open(self): return self.client.is_open() def disconnect(self): return self.client.close()
class Modbus: def __init__(self, host, port, unit): self.client = ModbusClient(host, port, unit, timeout=3) def __enter__(self): self.client.open() return self def __exit__(self, exc_type, exc_val, exc_tb): self.client.close() def toFloat(self, ushorts): bs = struct.pack('H', ushorts[0]) + struct.pack('H', ushorts[1]) return struct.unpack('f', bs) def openConnect(self): try: if not self.isOpen: self.client.open() except: self.closeConnect() def closeConnect(self): self.client.close() @property def isOpen(self): return self.client.is_open() def getValue(self, addr): return self.toFloat(self.client.read_holding_registers(addr, 2))[0] def getValues(self, tags): return [(tag, self.getValue(tag)) for tag in tags]
class TestClientServer(unittest.TestCase): def setUp(self): # modbus server self.server = ModbusServer(port=5020, no_block=True) self.server.start() # modbus client self.client = ModbusClient(port=5020) self.client.open() def tearDown(self): self.client.close() def test_read_and_write(self): # word space self.assertEqual(self.client.read_holding_registers(0), [0], 'Default value is 0 when server start') self.assertEqual(self.client.read_input_registers(0), [0], 'Default value is 0 when server start') # single read/write self.assertEqual(self.client.write_single_register(0, 0xffff), True) self.assertEqual(self.client.read_input_registers(0), [0xffff]) # multi-write at max size words_l = [randint(0, 0xffff)] * 0x7b self.assertEqual(self.client.write_multiple_registers(0, words_l), True) self.assertEqual(self.client.read_holding_registers(0, len(words_l)), words_l) self.assertEqual(self.client.read_input_registers(0, len(words_l)), words_l) # write over sized words_l = [randint(0, 0xffff)] * 0x7c self.assertEqual(self.client.write_multiple_registers(0, words_l), None) # bit space self.assertEqual(self.client.read_coils(0), [False], 'Default value is False when server start') self.assertEqual(self.client.read_discrete_inputs(0), [False], 'Default value is False when server start') # single read/write self.assertEqual(self.client.write_single_coil(0, True), True) self.assertEqual(self.client.read_coils(0), [True]) self.assertEqual(self.client.read_discrete_inputs(0), [True]) # multi-write at min size bits_l = [getrandbits(1)] * 0x1 self.assertEqual(self.client.write_multiple_coils(0, bits_l), True) self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l) self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)), bits_l) # multi-write at max size bits_l = [getrandbits(1)] * 0x7b0 self.assertEqual(self.client.write_multiple_coils(0, bits_l), True) self.assertEqual(self.client.read_coils(0, len(bits_l)), bits_l) self.assertEqual(self.client.read_discrete_inputs(0, len(bits_l)), bits_l) # multi-write over sized bits_l = [getrandbits(1)] * 0x7b1 self.assertEqual(self.client.write_multiple_coils(0, bits_l), None)
class Slagboom: SERVER_HOST = "192.168.3.134" SERVER_PORT = 502 motor1 = 1 motor2 = 2 start_pos = 5 end_pos = 4 input_reg = 5391 output_reg = 00000 def __init__(self): print("host: " + self.SERVER_HOST + "\tport: " + str(self.SERVER_PORT)) self.c = ModbusClient(host=self.SERVER_HOST, port=self.SERVER_PORT, auto_open=True, auto_close=True) while True: self.c.write_single_register(self.output_reg, 0b000100) print("output_reg:\t" + str(self.c.read_holding_registers(self.output_reg, 1)[0])) start_ret = self.c.read_holding_registers( self.input_reg, 1)[0] & (1 << self.start_pos) print("start_sensor_state:\t" + str(start_ret)) end_ret = self.c.read_holding_registers(self.input_reg, 1)[0] & (1 << self.end_pos) print("end_sensor_state:\t" + str(end_ret)) return def open_slagboom(self): ret = 0 print("open_slagboom") reg = self.c.read_holding_registers(self.output_reg, 1)[0] | (1 << self.input1) while not ret: self.c.write_single_register(self.output_reg, reg) ret = self.c.read_holding_registers(self.input_reg, 1)[0] & (1 << self.start_pos) print("input1 on\tstart_sensor_state:\t" + str(ret)) reg = self.c.read_holding_registers(self.output_reg, 1)[0] & ~(1 << self.input1) self.c.write_single_register(self.output_reg, reg) return def close_slagboom(self): ret = 0 reg = self.c.read_holding_registers(self.output_reg, 1)[0] | (1 << self.input2) while not ret: self.c.write_single_register(self.output_reg, reg) ret = self.c.read_holding_registers(self.input_reg, 1)[0] & (1 << self.end_pos) print("input2 on\tend_sensor_state:\t" + str(ret)) reg = self.c.read_holding_registers(self.output_reg, 1)[0] & ~(1 << self.input2) self.c.write_single_register(self.output_reg, reg) return
def read_fault_present(ModbusClient): # reads if fault present r0 = ModbusClient.read_holding_registers(105, 1) if (len(r0) > 0) and (r0[0] == 128): # something returned and message is Moduel Ready for Microwaves print('Ready for microwaves ') print(r0) else: print('Fault present:') print(r0) # read the type of fault r1 = ModbusClient.read_holding_registers(104, 1) print('Type of fault:') print(r1)
def modbus_com(SERVER_HOST, SERVER_PORT, function_code, start_register, amount_of_registers): c = ModbusClient() c.host(SERVER_HOST) c.port(SERVER_PORT) cnt = 0 while True: # open or reconnect TCP to server if not c.is_open(): if not c.open(): print("unable to connect to " + SERVER_HOST + ":" + str(SERVER_PORT)) # if open() is ok, read register (modbus function 0x03) if c.is_open(): if function_code == "3": # Read the amount_of_registers from start_register regs = c.read_holding_registers(int(start_register), int(amount_of_registers)) # if success display registers if regs: print("reg address" + str(start_register) + "to" + str( int(start_register) + int(amount_of_registers) - 1) + ":" + str(regs)) elif function_code == "16": #Future support pass cnt += 1 if cnt >= 2: print("クライアント通信終了") c.close() break # sleep 1s before next polling time.sleep(1)
def read_valid_registers(target_ip, port, reg): result = False print(f'\n=====Polling remote server for {reg}:=====') for i in range(start_reg, end_reg): client = ModbusClient(host=target_ip, port=port, auto_open=True, auto_close=True, timeout=10) if reg == "hold": data = client.read_holding_registers(i, 1) if reg == "input": data = client.read_input_registers(i, 1) if reg == "discrete": data = client.read_discrete_inputs(i, 1) if reg == "coil": data = client.read_coils(i, 1) if data: result = True print(f'\nValid Registers {reg} detected at {i} with value {data}') client.close() print('/', end='') sleep(0.1) # return valid_list,data_list,permission_list if result != True: print(f'\n No Valid Registers detected in specified range')
def read_all_tags(self): try: c = ModbusClient(host="192.168.2.11", port=502, debug=False) c.open() for name, tag in self.tag_db.items(): mb0 = tag['modbus_start'] -1 mb1 = tag['modbus_stop'] -1 size = 1+mb1-mb0 #print(name, mb0, mb1, size) #print(tag) if 0 <= mb0 < 100000: val = c.read_coils(mb0)[0] elif 100000 <= mb0 < 200000: val = c.read_discrete_inputs(mb0-100000)[0] elif 300000 <= mb0 < 400000: val = c.read_input_registers(mb0-300000, size) if size == 1: val = val[0] elif size == 2: val = utils.word_list_to_long(val, big_endian=False)[0] elif 400000 <= mb0 < 500000: val = c.read_holding_registers(mb0-400000, size ) if size == 1: val = val[0] elif size == 2: val = utils.word_list_to_long(val, big_endian=False)[0] if tag['dtype'] == 'float32': val = utils.decode_ieee(val) #print(name, val) self.settings[name] = val except Exception as err: print("Error in read_all_tags", err) c.close()
def modbus_devices(register, value): c = ModbusClient(host="164.8.11.147", port=502, auto_open=True) # regs=c.read_holding_registers(33) # print(regs) regs = c.write_single_register(register, value) regs1 = c.read_holding_registers(register) print(regs1)
def execute_func(): sensor_no = ModbusClient(host="192.40.50.107", port=10010, unit_id=1, auto_open=True) sensor_no.open() regs = sensor_no.read_holding_registers(0, 100) if regs: print(regs) else: print("read error") n = 0 data_count = 0 for n in range(50): data_count = n * 2 regs[data_count], regs[data_count + 1] = regs[data_count + 1], regs[data_count] dec_array = regs data_bytes = np.array(dec_array, dtype=np.uint16) data_as_float = data_bytes.view(dtype=np.float32) time_data = datetime.datetime.now() print(time_data) start = 1 start_range = 50 value = [[num for num in range(start, start + start_range)], [num for num in range(start, start + start_range)], data_as_float] data = np.array(value).T.tolist() # print(data) products = data arr = [] for product in products: vals = {} vals["Sensor No"] = str(int(product[1])) vals["Temp"] = str(product[2]) vals["Time"] = str(time_data) arr.append(vals) myclient = pymongo.MongoClient("mongodb://localhost:27017/") mydb = myclient["Modbus_Database"] mycol = mydb["collection1"] record_data = arr mycol.insert_many(record_data) global documents documents = list(mycol.find({}, {'_id': 0})) print(documents) # myclient.drop_database('Modbus_Database') mycol.delete_many({}) time.sleep(60)
class kulucka: def __init__(self): self.bekle = 1 self.host = "212.154.74.164" self.port = 502 self.timeout = 2000 self.c = None self.sonuc = {} def baglan(self): self.c = ModbusClient(host=self.host, unit_id=1, timeout=self.timeout, auto_open=True, auto_close=True, port=self.port) def main(self): self.c.open() regs = self.c.read_holding_registers(12288, 6) if regs: self.parse(regs) else: print("read error") self.c.close() def parse(self, regs): k = 1 for i in range(0, len(regs), 2): sicaklik = regs[i] / 10 nem = regs[i + 1] / 10 self.sonuc["kulucka" + str(k)] = {"sicaklik": sicaklik, "nem": nem} k += 1 print()
def routineLoop(): global ac, dados, off for i in ip: #Entra na lista de ip's for x in add[ip.index(i)]: #entra na lista de endereços ac = ModbusClient(host=i, auto_open=True, unit_id=x) readTemp = ac.read_input_registers( 0) #Leitura da temperatura lida pelo ac dados = ac.read_holding_registers(2, 26) if bool(readTemp ) == False: #Se o valor for falso pula para o próximo ac break if dados[0] == 0: off = 1 else: off = 0 resposta = connect( off, int(readTemp[0]), str(i), str(x), str(dados[1]), str(dados[3]), str(dados[2])) #Envia os dados para API e recebe a resposta resposta = json.loads(resposta) print('Recebido: ' + str(resposta)) decisao = decision(dados, resposta) d = datetime.now() print(decisao + " | " + str(d.hour) + ":" + str(d.minute) + ":" + str(d.second)) ac.close()
def modbus_request(self, progress_callback): c = ModbusClient(host="localhost", auto_open=False) connection_ok = c.open() if connection_ok: try: self.holding_registers = c.read_holding_registers(0, 3) print(self.holding_registers) regs = [ int(10 * self.tcurrinsp.value()), int(10 * self.tcurrexp.value()), int(10 * self.currpress.value()) ] c.write_multiple_registers(3, regs) print(regs) c.close() except: print("modbus exception") pass else: print("other") pass finally: #print("passed") pass else: print("could not open") pass
def __init__(self, address, port): c = ModbusClient() c.host(address) c.port(port) c.unit_id(1) c.open() data = c.read_holding_registers(130, 12) self.data=data c.close() if data: self.LowT1Start = format(data[0], 'x') self.LowT1Stop = format(data[1], 'x') self.LowT2Start = format(data[2], 'x') self.LowT2Stop = format(data[3], 'x') self.NormT1Start = format(data[4], 'x') self.NormT1Stop = format(data[5], 'x') self.NormT2Start = format(data[6], 'x') self.NormT2Stop = format(data[7], 'x') self.PeakT1Start = format(data[8], 'x') self.PeakT1Stop = format(data[9], 'x') self.PeakT2Start = format(data[10], 'x') self.PeakT2Stop = format(data[11], 'x') else: print("Read Volt And Amper ERROR")
def doTest(): # TCP auto connect on modbus request, close after it c = ModbusClient(host="192.168.1.1", auto_open=True, auto_close=True) regs = c.read_holding_registers(0, 100) if regs: print(regs) else: print("read error")
def main(): router_id = Config.router_id my_db = None try: # ------- Reading from the screen ------- iot_screen = ModbusClient(Config.host, Config.port, Config.auto_open) my_db = DataBaseModbus(Config.db_host, Config.database, Config.user, Config.password) cell_start_index = Config.cell_start_index nr_of_cells_to_read = Config.nr_of_cells_to_read regs = iot_screen.read_holding_registers(cell_start_index, nr_of_cells_to_read) if not regs: log("read error") else: log("Printed regs: ") print regs # put each record to database for data in regs: cell_start_index += 1 sensor_id = cell_start_index measurement = MeasurementRecord(router_id, sensor_id, data) my_db.insert_measurement(measurement) log("Printing each DB record:") # ------- Printing data from db onto screen ------- # From which record in DB (INDEXED FROM 0) to start reading data record_start_index = Config.record_start_index # How many records to be read records_count = Config.records_count # Cell index starting to display values current_cell_idx = Config.current_cell_idx records = my_db.get_history_measurements(record_start_index, records_count) # Display data onto Modbus for r in records: log(r) # write_multiple_registers(start_index, [value1, value2, ...]) if not iot_screen.write_multiple_registers(current_cell_idx, [r.amount]): log("write error") current_cell_idx += 1 except Error as e: log("Error reading data from MySQL table", e) finally: if my_db: my_db.close_connection() # print("MySQL connection is closed") log("Application stopped")
class com(object): """This class implements the modbusTCP connection functions """ def __init__(self): ''' Constructor for this class. ''' self._port = 0 def __del__(self): ''' Destructor for this class. ''' if self._port !=0: self.close() def open (self,SERVER_HOST = "192.168.0.210",SERVER_PORT = 502,SERVER_UNIT = 201): """Open modbus connection to the ComBox Args: SERVER_HOST: network address of the ComBox. Default='192.168.0.210' SERVER_PORT: modbus TCP port. Default='502' SERVER_UNIT: modbus address of the ComBox. Default='201' Returns: Boolean value True or False """ self._port = ModbusClient(SERVER_HOST, SERVER_PORT, SERVER_UNIT) if not self._port.is_open(): if not self._port.open(): print("unable to connect to " + SERVER_HOST + ":" + str(SERVER_PORT)) return self._port.is_open() def close(self): """Closes the modbusTCP connection Returns: Boolean value True or False """ self._port.close() return not self._port.is_open() def is_connected(self): """This function checks if the connection to the Schneider Conext ComBox is established and if it responds to readout commands. It requests the firmware version of the ComBox and checks for an received bitstream. Returns: Boolean value True or False return """ bitstream = self._port.read_holding_registers(0x001E, 7) # 0x001E Firmware Version str20 r if bitstream: return True else: return False
def modbus_func(self): sensor_no = ModbusClient(host="192.40.50.107", port=10010, unit_id=1, auto_open=True) sensor_no.open() regs = sensor_no.read_holding_registers(0, 100) if regs: print(regs) else: print("read error")
class ModbusClass: def __init__(self): # Make an instance of modbus object self._client = ModbusClient() #Connect to the LOGO def _connectToLogo(self, ip_address, port_num): try: self._client.host(ip_address) self._client.port(port_num) self._client.open() print('Connected') except AttributeError: print('Failed to connect to Logo') # Generic Function for reading from any LOGO def _readData(self, _list=[], *args): _data = [] for regNumber in _list: dataValue = self._client.read_holding_registers( regNumber) # Reading voltage on AI3 dataValue = dataValue[0] dataValue = int(dataValue) _data.append(dataValue) else: return _data # Perform two's compliment on any given number just incase the number is negative def twosCompliment(self, _list, *args): _result_list = [] for number in _list: # All values are expected to be below 8 Bits. If More than 8 Bits, number is negative if number > 256: number = number - 65536 _result_list.append(number) else: number = number _result_list.append(number) else: return _result_list # Convert the electrical signals into meaningful data def signalConditioning(self, _gain, _offset, _signals=[], *args): _result_list = [] for _signal in _signals: _conditioned_signal = (_signal * _gain + _offset) _conditioned_signal = round(_conditioned_signal, 2) _result_list.append(_conditioned_signal) else: return _result_list
def read_values(): c = ModbusClient(host=host, auto_open=True, auto_close=True) old_value = -1 while True: new_value = int(c.read_holding_registers(43, 1)[0]) print("New Value: {}".format(new_value)) if old_value == -1: print("Setting old value to new value.") old_value = new_value # Set the old_value so we don't do weird looping # Detect if the counter has been reset if new_value < old_value: print("Counter has been reset externally. Force set.") old_value = new_value print("Old: {}. New: {}.".format(old_value, new_value)) diff = new_value - old_value old_value = new_value # Push to CloudWatch, even if the value is 0 litres = diff * float(k) payload = { "request": { "namespace": cw_namespace, "metricData": { "metricName": "UsageLitres", "dimensions": [ { 'name': 'Device', 'value': 'WaterPulseMeter' }, { 'name': 'Supply', 'value': 'Mains' }, ], "value": litres, "timestamp": time.time() } } } # Publish to connector gg_client.publish(topic=cw_topic, payload=json.dumps(payload)) time.sleep(poll_delay)
def write_single_coil_regiser(ip_addr,port,coil_valid_list): write_coil_confirm_list=[] write_coil_confirm_data=[] client=ModbusClient(host=ip_addr,port=port,auto_open=True,auto_close=True,timeout=10) for i in hold_valid_list: data=client.write_single_register(i,43981) # HEX(ABCD) == int(43981) data=client.read_holding_registers(i,1) #print("Regiser: "+str(i)+" => Value: "+str(data)) if data[0]: if 43981==data[0]: write_coil_confirm_list.append(i) write_coil_confirm_data.append(data[0]) client.close() return write_coil_confirm_list,write_coil_confirm_data
class MyModbus: def __init__(self, mode): if mode == "tcp": self.etat = mode self.client = ModbusClient(host=ICPCON, port=PORT, auto_open=True, auto_close=True) self.db = db.Mydb() print("---" + self.etat + " configuration---") else: self.etat = mode self.client = serial.Serial(port=myZwave, baudrate=9600, parity=serial.PARITY_ODD) self.db = db.Mydb() print("---" + self.etat + " configuration---") if self.client.isOpen(): os.system( r'echo -ne "\x01\x08\x00\xF2\x51\x01\x00\x05\x01\x51" > /dev/ttyACM0' ) else: print("Didn't stop the light") return def readCoils(self, min=None, max=None): if self.etat == "tcp": coils = self.client.read_holding_registers(min, max) if coils: print(coils) self.db.insert(coils[0], coils[1]) else: print("error : read not ok") else: bits = self.client.read(max) if bits: print(bits) #self.db.insert(bits[0],bits[1]); else: print("error : read not ok") return def writeCoils(self, to, data): if self.client.write_multiple_registers(to, data): #write_single_coil print(" write done ") else: print("error : write not ok") return
def state_on(self, name_x): SERVER_HOST = name_x SERVER_PORT = 502 c = ModbusClient() c.host(SERVER_HOST) c.port(SERVER_PORT) c.open() is_ok = c.write_single_coil(32768, True) bits = c.read_holding_registers(32768) if bits: self.first_read_label_text = str('Acik') self.image_source = "sf_yesil.png" else: self.first_read_label_text = str('cannotread')
def print_hi(name): # Use a breakpoint in the code line below to debug your script. print(f'Hi, {name}') # Press ⌘F8 to toggle the breakpoint. # TCP auto connect on first modbus request c = ModbusClient(host="localhost", port=502, unit_id=1, auto_open=True) regs = c.read_holding_registers(0, 2) if regs: print(regs) else: print("read error") if c.write_multiple_registers(10, [44, 55]): print("write ok") else: print("write error")
def readValueIP(address, port, addr, reg): c = ModbusIPClient() c.host(address) c.port(int(port)) value = -1 if not c.is_open(): if not c.open(): print("Unable to connect to "+address+":"+str(port)) if c.is_open(): try: value = c.read_holding_registers(int(addr), int(reg)) except Exception as e: raise e finally: c.close() return value[0]
def polling_thread(): global regs c = ModbusClient(host=SERVER_HOST, port=SERVER_PORT) # polling loop while True: # keep TCP open if not c.is_open(): c.open() # do modbus reading on socket reg_list = c.read_holding_registers(0, 10) # if read is ok, store result in regs (with thread lock synchronization) if reg_list: with regs_lock: regs = list(reg_list) # 1s before next polling time.sleep(1)
def readPDTemp(num): c = ModbusClient(host='192.168.0.4', port=502, unit_id=4, auto_open=True, auto_close=True) if c.is_open(): registerPD = None registerTemp = None else: c.open() registerPD = None registerTemp = None if num == 4: registerPD = c.read_holding_registers(reg_addr=450, reg_nb=1) registerTemp = c.read_holding_registers(reg_addr=418, reg_nb=3) elif num == 5: registerPD = c.read_holding_registers(reg_addr=451, reg_nb=1) registerTemp = c.read_holding_registers(reg_addr=421, reg_nb=3) elif num == 6: registerPD = c.read_holding_registers(reg_addr=452, reg_nb=1) registerTemp = c.read_holding_registers(reg_addr=424, reg_nb=3) else: print("system error!") param = num, round(time.time()), registerTemp[0] / 10, registerTemp[ 1] / 10, registerTemp[2] / 10, registerPD[0] if registerPD: if registerTemp: try: with conn.cursor() as cursor: cursor.execute(qry, param) conn.commit() except TypeError: print('connection error with Db. Check it.') pass else: print("reboot CAM-4 to get temperature") else: print("reboot CAM-4 to get PD") c.close() result = { 'i': param[0], 'time': param[1], 'Temp_R': param[2], 'Temp_S': param[3], 'Temp_T': param[4], 'PD': param[5] } return result
def polling_thd(): global regs, cycle_count, good_count, error_count c = ModbusClient(host='localhost', auto_open=True) # polling loop while True: # do modbus reading on socket reg_list = c.read_holding_registers(0, len(regs)) # if read is ok, store result in regs (with thread lock synchronization) with regs_lock: cycle_count += 1 if reg_list: regs = list(reg_list) good_count += 1 else: regs = [None] * 5 error_count += 1 # 1.0s before next polling time.sleep(1.0)
def getModbusData(host, port, start_register, end_register): # Returns a list containing the data from each Modbus register between #...and including the start and end register # Depending on the format of any particular value you want, its data may be distributed #...over multiple registers and will require further formatting to be human-readable. # This function only returns the data directly taken from the device's Modbus registers. # Setting up the client #---------------------------------------------------- client = ModbusClient() # Creates a Modbus client opject client.host(host) # Assigns the specified host (IP) address to the client client.port(port) # Assigns the specified port to the client start_register -= 2 # The Modbus registers listed in the Shark100 User's manual end_register -= 2 #...are all offset by 2 from their actual values, #...so we account for that here. num_of_registers = end_register - start_register + 1 # Since the registers are taken as integers, we can take the range between the start and end #...registers and add 1 to get the total number of registers to query. #---------------------------------------------------- # Reading the device's Modbus registers #---------------------------------------------------- client.open() # Opens the connection response = client.read_holding_registers(start_register, num_of_registers) # This function returns a list of values, one for each of the Modbus registers specified. # It works even if some of the registers queried have data stored in different formats, #...so be careful not to automatically treat all data the same. client.close() # Closes the connection #---------------------------------------------------- return response
def reader(worker, job): c = ModbusClient(host="localhost", port=502) if not c.is_open() and not c.open(): print("unable to connect to host") if c.is_open(): holdingRegisters = c.read_holding_registers(1, 4) # Imagine we've "energy" value in position 1 with two words energy = (holdingRegisters[0] << 16) | holdingRegisters[1] # Imagine we've "power" value in position 3 with two words power = (holdingRegisters[2] << 16) | holdingRegisters[3] out = {"energy": energy, "power": power} return json.dumps(out) return None
def polling_thread(): global regs, poll_cycle c = ModbusClient(host=args.host, port=args.port, unit_id=args.unit_id) # polling loop while True: # keep TCP open if not c.is_open(): c.open() # do modbus reading on socket reg_list = c.read_holding_registers(20610,20) # if read is ok, store result in regs (with thread lock synchronization) with regs_lock: if reg_list: regs = list(reg_list) poll_cycle += 1 else: poll_cycle = 0 # 1s before next polling time.sleep(0.2)
def read_valid_registers(ip_addr,port,reg): valid_list=[] data_list=[] permission_list=[] client=ModbusClient(host=ip_addr,port=port,auto_open=True,auto_close=True,timeout=10) for i in tqdm(range(1,500)): if reg == "hold": data=client.read_holding_registers(i,1) if reg == "input": data=client.read_input_registers(i,1) if reg == "discrete": data=client.read_discrete_inputs(i,1) if reg == "coil": data=client.read_coils(i,1) if data: valid_list.append(i) data_list.append(data[0]) permission_list.append("Read") client.close() return valid_list,data_list,permission_list
def monitor_register(target_ip, port, address, delay, reg): while True: client = ModbusClient(host=target_ip, port=port, auto_open=True, auto_close=True, timeout=1) if reg == "Holding": data = client.read_holding_registers(address, 1) if reg == "Input": data = client.read_input_registers(address, 1) if reg == "Discrete": data = client.read_discrete_inputs(address, 1) if reg == "Coil": data = client.read_coils(address, 1) if data: print(f'{reg} register at address {address} has value {data}') #print ('.', end='') client.close() sleep(delay)
def polling_thread(): global regs, client client = ModbusClient(host=SERVER_HOST, port=SERVER_PORT) isOpen = False # polling loop while True: # keep TCP open if not client.is_open(): print("unable to connect to " + SERVER_HOST + ":" + str(SERVER_PORT)) client = ModbusClient(host=SERVER_HOST, port=SERVER_PORT) client.open() # do modbus reading on socket reg_list = client.read_holding_registers(0, 10) # if read is ok, store result in regs (with thread lock synchronization) if reg_list: with threadlock: regs = list(reg_list) # 1s before next polling time.sleep(1)
def modbus(ip): dip = "Offline" # Initiate modbus client c = ModbusClient(host=ip, port=502, auto_open=True, timeout=1) # Read Modbus outputs reg = c.read_holding_registers(0, 100) # Close Modbus connection c.close() if reg: # Register 49 (array position 48) is dip switch settings # Convert float response to 8 bit binary string and reverse order (all in one line boiiii) dip = f'{reg[48]:08b}'[::-1] # Convert to array dip = [c for c in dip] return (dip)
EOL = "\n" c = ModbusClient(host=SERVER_HOST, port=SERVER_PORT) if not c.open(): print("unable to connect to "+SERVER_HOST+":"+str(SERVER_PORT)) sys.exit(1) # banner sys.stdout.write("----------------------------------------" + EOL) sys.stdout.write("NTS 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1" + EOL) sys.stdout.write(" 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6" + EOL) sys.stdout.write("----------------------------------------" + EOL) # do modbus read regs = c.read_holding_registers(20610, 20) c.close() # if read ok if regs: for i, value in enumerate(regs): # builts bits list bits = utils.get_bits_from_int(value, val_size=16) bits.reverse() # line name (ME or Txx) sys.stdout.write("ME " if not i else "T%02d " % i) # bit value (1 or " ") for x, bit in enumerate(bits): sys.stdout.write("1 " if bit else ". ") if not (x+1)%4: sys.stdout.write(" ")
class ModbusTCPSensor(OMPluginBase): """ Get sensor values form modbus """ name = 'modbusTCPSensor' version = '1.0.7' interfaces = [('config', '1.0')] config_description = [{'name': 'modbus_server_ip', 'type': 'str', 'description': 'IP or hostname of the ModBus server.'}, {'name': 'modbus_port', 'type': 'int', 'description': 'Port of the ModBus server. Default: 502'}, {'name': 'debug', 'type': 'int', 'description': 'Turn on debugging (0 = off, 1 = on)'}, {'name': 'sample_rate', 'type': 'int', 'description': 'How frequent (every x seconds) to fetch the sensor data, Default: 60'}, {'name': 'sensors', 'type': 'section', 'description': 'OM sensor ID (e.g. 4), a sensor type and a Modbus Address', 'repeat': True, 'min': 0, 'content': [{'name': 'sensor_id', 'type': 'int'}, {'name': 'sensor_type', 'type': 'enum', 'choices': ['temperature', 'humidity', 'brightness']}, {'name': 'modbus_address', 'type': 'int'}, {'name': 'modbus_register_length', 'type': 'int'}]}] default_config = {'modbus_port': 502, 'sample_rate': 60} def __init__(self, webinterface, logger): super(ModbusTCPSensor, self).__init__(webinterface, logger) self.logger('Starting ModbusTCPSensor plugin...') self._config = self.read_config(ModbusTCPSensor.default_config) self._config_checker = PluginConfigChecker(ModbusTCPSensor.config_description) py_modbus_tcp_egg = '/opt/openmotics/python/plugins/modbusTCPSensor/pyModbusTCP-0.1.7-py2.7.egg' if py_modbus_tcp_egg not in sys.path: sys.path.insert(0, py_modbus_tcp_egg) self._client = None self._samples = [] self._save_times = {} self._read_config() self.logger("Started ModbusTCPSensor plugin") def _read_config(self): self._ip = self._config.get('modbus_server_ip') self._port = self._config.get('modbus_port', ModbusTCPSensor.default_config['modbus_port']) self._debug = self._config.get('debug', 0) == 1 self._sample_rate = self._config.get('sample_rate', ModbusTCPSensor.default_config['sample_rate']) self._sensors = [] for sensor in self._config.get('sensors', []): if 0 <= sensor['sensor_id'] < 32: self._sensors.append(sensor) self._enabled = len(self._sensors) > 0 try: from pyModbusTCP.client import ModbusClient self._client = ModbusClient(self._ip, self._port, auto_open=True, auto_close=True) self._client.open() self._enabled = self._enabled & True except Exception as ex: self.logger('Error connecting to Modbus server: {0}'.format(ex)) self.logger('ModbusTCPSensor is {0}'.format('enabled' if self._enabled else 'disabled')) def clamp_sensor(self, value, sensor_type): clamping = {'temperature': [-32, 95.5, 1], 'humidity': [0, 100, 1], 'brightness': [0, 100, 0]} return round(max(clamping[sensor_type][0], min(value, clamping[sensor_type][1])), clamping[sensor_type][2]) @background_task def run(self): while True: try: if not self._enabled or self._client is None: time.sleep(5) continue om_sensors = {} for sensor in self._sensors: registers = self._client.read_holding_registers(sensor['modbus_address'], sensor['modbus_register_length']) if registers is None: continue sensor_value = struct.unpack('>f', struct.pack('BBBB', registers[1] >> 8, registers[1] & 255, registers[0] >> 8, registers[0] & 255))[0] if not om_sensors.get(sensor['sensor_id']): om_sensors[sensor['sensor_id']] = {'temperature': None, 'humidity': None, 'brightness': None} sensor_value = self.clamp_sensor(sensor_value, sensor['sensor_type']) om_sensors[sensor['sensor_id']][sensor['sensor_type']] = sensor_value if self._debug == 1: self.logger('The sensors values are: {0}'.format(om_sensors)) for sensor_id, values in om_sensors.iteritems(): result = json.loads(self.webinterface.set_virtual_sensor(sensor_id, **values)) if result['success'] is False: self.logger('Error when updating virtual sensor {0}: {1}'.format(sensor_id, result['msg'])) time.sleep(self._sample_rate) except Exception as ex: self.logger('Could not process sensor values: {0}'.format(ex)) time.sleep(15) @om_expose def get_config_description(self): return json.dumps(ModbusTCPSensor.config_description) @om_expose def get_config(self): return json.dumps(self._config) @om_expose def set_config(self, config): config = json.loads(config) for key in config: if isinstance(config[key], basestring): config[key] = str(config[key]) self._config_checker.check_config(config) self.write_config(config) self._config = config self._read_config() return json.dumps({'success': True})
import time SERVER_HOST = "192.168.181.76" SERVER_PORT = 502 c = ModbusClient() # uncomment this line to see debug message #c.debug(True) # define modbus server host, port c.host(SERVER_HOST) c.port(SERVER_PORT) while True: # open or reconnect TCP to server if not c.is_open(): if not c.open(): print("unable to connect to "+SERVER_HOST+":"+str(SERVER_PORT)) # if open() is ok, read register (modbus function 0x03) if c.is_open(): # read 10 registers at address 0, store result in regs list regs = c.read_holding_registers(0, 10) # if success display registers if regs: print("reg ad #0 to 9: "+str(regs)) # sleep 2s before next polling time.sleep(2)
class ClientGUI: def __init__(self): self.lock = RLock() self.calibgui = None self.client = ModbusClient() self.register_values_widgets = {} self.counter = 1 self.find_thread = None self.obj_data = None self.stop_signal = False self.__build_ui() def run_ui(self): self.root.mainloop() def __build_ui(self): # ui hierarchy: # #root # connectframe # connectlabel # connectbutton # snapshotbutton # calibbuton # mainframe # registerframe # reglabel # registergridframe # ... # outputframe # outputlabel # outputtext root = Tk() self.root = root root.wm_title("RemoteSurf Modbus Client") root.protocol("WM_DELETE_WINDOW", self.__delete_window) self.font = tkFont.Font(root = root, family = "Helvetica", size = 12) connectframe = Frame(root) connectbutton = Button(connectframe, text = "Connect", command = self.__connectbutton_click) connectlabel = Label(connectframe, text = "Not connected.") calibbutton = Button(connectframe, text = "Calibrate", command = self.__calibbutton_click) homebutton = Button(connectframe, text = "Home", command = self.__homebutton_click) findbutton = Button(connectframe, text = "Find", command = self.__findbutton_click) mainframe = Frame(root) registerframe = Frame(mainframe) reglabel = Label(registerframe, text = "Set registers") registergridframe = Frame(registerframe) # outputframe = Frame(mainframe) # outputlabel = Label(outputframe, text = "Output") # vscrollbar = Scrollbar(outputframe) # hscrollbar = Scrollbar(outputframe) # outputtext = ThreadSafeConsole(outputframe, root, vscrollbar, font = self.font, wrap = NONE) connectframe.pack(side = TOP, fill = X) connectlabel.pack(side = BOTTOM, anchor = W) homebutton.pack(side = RIGHT) findbutton.pack(side = RIGHT) calibbutton.pack(side = RIGHT) connectbutton.pack(side = RIGHT) mainframe.pack(side = BOTTOM, fill = BOTH, expand = YES) registerframe.pack(side = TOP, expand = YES, anchor = W) # outputframe.pack(side = BOTTOM, fill = BOTH, expand = YES) reglabel.pack(side = TOP, anchor = CENTER) registergridframe.pack(side = BOTTOM, anchor = W) # registerframe.config(bg = "cyan") # mainframe.config(bg = "pink") # registergridframe.config(bg = "red") registergridframe.columnconfigure(0, weight = 1) registergridframe.columnconfigure(1, weight = 1) registergridframe.columnconfigure(2, weight = 1) registergridframe.columnconfigure(3, weight = 1) self.x_pad = 10 registergrid_widgets = [] titles = ["Address", "Label", "Value", ""] col = 0 for title in titles: title_label = Label(registergridframe, text = title) title_label.grid(row = 0, column = col, padx = self.x_pad) registergrid_widgets.append(title_label) col += 1 registers_data = [(500, "x"), (501, "y"), (502, "z"), (503, "A"), (504, "B"), (505, "C"), ] for i in range(len(registers_data)): reg_data = registers_data[i] row = i + 1 self.__add_register(registergridframe, reg_data, row, registergrid_widgets) # hscrollbar.config(orient = HORIZONTAL, command = outputtext.xview) # hscrollbar.pack(side = BOTTOM, fill = X) # outputtext.config(state = DISABLED, yscrollcommand = vscrollbar.set, xscrollcommand = hscrollbar.set) #must change to NORMAL before writing text programmatically # outputtext.pack(side = LEFT, fill = BOTH, expand = YES, padx = x_padding, pady = y_padding) # vscrollbar.config(command = outputtext.yview) # vscrollbar.pack(side = RIGHT, fill = Y) self.connectframe = connectframe self.connectlabel = connectlabel self.connectbutton = connectbutton self.mainframe = mainframe self.registerframe = registerframe self.reglabel = reglabel self.registergridframe = registergridframe self.calibbutton = calibbutton # self.outputframe = outputframe # self.outputlabel = outputlabel # self.vscrollbar = vscrollbar # self.hscrollbar = hscrollbar # self.outputtext = outputtext root.update() w, h = root.winfo_width(), root.winfo_height() root.minsize(w, h) x, y = MAINFRAME_POS root.geometry('%dx%d+%d+%d' % (w, h, x, y)) def __homebutton_click(self): values = { 500: 300, 501: 0, 502: 500, 503: 180, 504: 0, 505: 180, } self.set_values(values, go_to_value = False) def __add_register(self, master, data, row, widget_list): regaddresslabel = Label(master, text=str(data[0])) regaddresslabel.grid(row=row, column=0) reglabellabel = Label(master, text=data[1]) reglabellabel.grid(row=row, column=1) regvalueentry = AccessibleEntry(master, justify = RIGHT) regvalueentry.set("0") regvalueentry.grid(row=row, column=2, padx=self.x_pad) regsetbtn = Button(master, text="Set", command = self.__setbutton_click) regsetbtn.grid(row=row, column=3) widget_list.append(regaddresslabel) widget_list.append(reglabellabel) widget_list.append(regvalueentry) widget_list.append(regsetbtn) self.register_values_widgets[data[0]] = (0, regvalueentry) def __calibbutton_click(self): if not self.calibgui: self.calibgui = CalibGUI(self) def __findbutton_click(self): if self.find_thread is None: self.find_thread = Thread(target=self.__find_object) self.find_thread.start() def __find_object(self): import DataCache as DC from glob import glob from os.path import join import numpy as np from SFMSolver import SFMSolver, find_ext_params import Utils print "FINDING" np.set_printoptions(precision=3, suppress=True) files_dir = "out/2017_3_8__14_51_22/" files = glob(join(files_dir, "*.jpg")) masks = [] for f in files: m = f.replace(".jpg", "_mask.png") masks.append(m) sfm = SFMSolver(files, masks) if self.obj_data is None: imgs, kpts, points, data = sfm.calc_data_from_files_triang_simple() self.obj_data = imgs, kpts, points, data else: imgs, kpts, points, data = self.obj_data arr_calib = DC.getData("out/%s/arrangement_calib.p" % ARRANGEMENT_CALIB_DIR) ttc = arr_calib["ttc"] tor = arr_calib["tor"] if "cam_mtx" in arr_calib: print "camMtx, distcoeffs load" Utils.camMtx = arr_calib["cam_mtx"] Utils.dist_coeffs = arr_calib["dist_coeffs"] if self.stop_signal: self.stop_signal = False return for point in FIND_POINTS: values = { 500: point[0], 501: point[1], 502: point[2], 503: point[3], 504: point[4], 505: point[5], } print "set_values call" self.set_values(values, True) print "set_values return" time.sleep(0.5) CamGrabber.capture_if_no_chessboard = True CamGrabber.capture = True time.sleep(0.5) if self.stop_signal: self.stop_signal = False return find_dir = logger.outputdir files = glob("%s/*.jpg" % find_dir) print files # files_dir = "out/2017_4_5__15_57_20/" # files = glob(join(files_dir, "*.jpg")) files.sort() files = files[-len(FIND_POINTS):] results = [] for f in files: res = find_ext_params(f, imgs, kpts, points, data, tor, ttc) results.append(res) if self.stop_signal: self.stop_signal = False return for i in range(len(results)): print i, results[i] write_log((i, results[i])) result = max(results, key=lambda x: x[2]) write_log(result) values = { 500: int(result[0][0] * 10), 501: int(result[0][1] * 10), 502: int(result[0][2] * 10) + 200, 503: int(result[1][2]), 504: int(result[1][1]), 505: int(result[1][0]), } print "num inl: ", result[2] pprint(values) self.set_values(values, go_to_value=False) self.find_thread = None def __connectbutton_click(self): if self.client.is_open(): self.client.close() else: self.client.host(SERVER_HOST) self.client.port(SERVER_PORT) if self.client.open(): write_log("Connection established") self.refresh_values() self.read_robot_pos() else: write_log("ERROR: Connecting failed") self.__update_gui() def read_robot_pos(self): write_log("Reading robot position:") posdict = {} for i in range(1000, 1006): if self.client.is_open(): with self.lock: real_val_uint = self.client.read_input_registers(i)[0] real_val_holding_uint = self.client.read_holding_registers(i)[0] assert real_val_uint == real_val_holding_uint real_val_int = uintToInt16(real_val_uint) posdict[i] = real_val_int write_log("%d, %d" % (i, real_val_int)) else: write_log("ERROR: Read could not be completed, client not connected.") self.__update_gui() break write_log("Read done.") return posdict def refresh_values(self): for address in self.register_values_widgets: if self.client.is_open(): value, widget = self.register_values_widgets[address] with self.lock: real_val_uint = self.client.read_input_registers(address)[0] real_val_holding_uint = self.client.read_holding_registers(address)[0] assert real_val_uint == real_val_holding_uint real_val_int = uintToInt16(real_val_uint) widget.set(str(real_val_int)) self.register_values_widgets[address] = (real_val_int, widget) else: write_log("ERROR: Read could not be completed, client not connected.") self.__update_gui() break write_log("Refresh done.") return self.register_values_widgets def __update_gui(self): if self.client.is_open(): self.connectlabel.config(text = "Connected to: %s:%d" % (SERVER_HOST, SERVER_PORT)) self.connectbutton.config(text = "Disconnect") else: self.connectbutton.config(text = "Connect") self.connectlabel.config(text = "Not connected.") self.root.update() def __print_memory(self): self.refresh_values() write_log("Memory dump:") write_log("------------") for address in self.register_values_widgets: val, widget = self.register_values_widgets[address] write_log("%d, %d" % (address, val)) write_log("------------") def __setbutton_click(self, wait = False): if not self.client.is_open(): write_log("ERROR: Not connected to client") return # writing message counter retval = self.__write_register(COUNTER_REGISTER_OUT, self.counter) if not retval: self.__update_gui() return # writing registers for address in self.register_values_widgets: value, widget = self.register_values_widgets[address] widgetvalue_int = None try: widgetvalue_int = int(widget.get()) except ValueError: write_log("ERROR: Wrong input format in value entry for address: %d" % address) continue if value == widgetvalue_int: continue retval = self.__write_register(address, widgetvalue_int) if retval: self.register_values_widgets[address] = (widgetvalue_int, widget) else: self.__update_gui() self.refresh_values() # message counter wait if wait: global break_wait while not break_wait: with self.lock: counter = self.client.read_input_registers(COUNTER_REGISTER_IN)[0] if counter == self.counter: break time.sleep(0.1) break_wait = False # counter increment self.counter = (self.counter + 1) % 20 if PRINT_ALL_MEMORY_ON_WRITE: self.__print_memory() self.read_robot_pos() def __write_register(self, address, value): if not (-32768 <= value <= 32767): write_log("ERROR: -32768 <= value <= 32767 is false for address: %d" % address) return False widgetvalue_uint = intToUint16(value) if self.client.is_open(): with self.lock: retval = self.client.write_single_register(address, widgetvalue_uint) if retval: write_log("Register written. Address: %d, value: %d" % (address, value)) return True else: write_log("ERROR: Write failed. Address: %d, value: %d" % (address, value)) else: write_log("ERROR: client not connected.") return False def set_values(self, values, wait = True, go_to_value = True): """ :param values: dictionary of { address : value} both int :return: """ for address in values: if address not in self.register_values_widgets: continue val, widget = self.register_values_widgets[address] widget.set(str(values[address])) if go_to_value: self.__setbutton_click(wait) def __delete_window(self): CamGrabber.exit = True self.stop_signal = True self.client.close() self.root.quit()
class modBusWriteRead(): def __init__(self,client_host): self.client_host = client_host self.client_port = 502 self.err_list = [] self.connect() #buradan bağlantı yapılacak; def connect(self): self.modbus_c = ModbusClient() self.modbus_c.host(self.client_host) self.modbus_c.port(self.client_port) if not self.modbus_c.is_open(): if not self.modbus_c.open(): text="unable to connect to " + self.client_host + ":" + str(self.client_port) print(text) def write_data_reg(self,address,list): if self.modbus_c.open(): if len(list)>120: sent_list = self.hazirla_dizi_to_write(list) i = 0 hedef_reg_taban = address for list_to_sent in sent_list: hedef_reg = hedef_reg_taban + (i * 120) a = self.modbus_c.write_multiple_registers(hedef_reg, list_to_sent) if a == None or a == False: self.err_list.append(False) i += 1 else: a = self.modbus_c.write_multiple_registers(address, list) if a == None or a == False: self.err_list.append(False) if len(self.err_list) > 0: self.err_list = [] pass # dikkat # print("data göndermede hata oluştu, tekrar deneyin !") def hazirla_dizi_to_write(self,d_list): # eğer gönderilecek değer 120 den büyük ise aşağıdaki fonksiyon 120 lik diziler döndürüyor r_list = [] g_list = [] i = 0 for index in range(len(d_list)): g_list.append(d_list[index]) i += 1 if i > 119: i = 0 r_list.append(g_list) g_list = [] if (len(d_list) - 1) == index and i < 119: r_list.append(g_list) return r_list def read_data_reg(self,address,reg_count,read_float=False ): # burada 16 lık ya da float olarak okunabiliyor if self.modbus_c.is_open(): if read_float == False: plc_list_int = self.modbus_c.read_holding_registers(address, reg_count) return plc_list_int elif read_float == True: plc_list_f_16=self.modbus_c.read_holding_registers(address,reg_count) if plc_list_f_16 is not None: plc_list_float=self.long_to_float(plc_list_f_16) return plc_list_float def long_to_float(self,list_16): list_float=[] list_16.reverse() list_long=utils.word_list_to_long(list_16) for any_long in list_long: list_float.append(utils.decode_ieee(any_long)) list_float.reverse() return list_float
c=ModbusClient() #c.debug(1) c.host("163.111.184.31") c.unit_id(33) while(True): # keep TCP link open if not c.is_open(): c.open() if c.is_open(): # loop start time start = time.time() # #20506 r = c.read_holding_registers(20506) if r: ret = rrdtool.update(RRD_POS, 'N:%d' % r[0]) # #20492 r = c.read_holding_registers(20492) if r: ret = rrdtool.update(RRD_FLOW, 'N:%d' % r[0]) # #20494 r = c.read_holding_registers(20494) if r: ret = rrdtool.update(RRD_SP, 'N:%d' % r[0]) # loop end time end = time.time() loop_time = end - start # wait before next cycle time.sleep(RRD_REFRESH - loop_time)
is_ok = c.write_single_register(2, 0) if not is_ok: c.open() else: is_ok = c.write_single_register(3, 0) if not is_ok: c.open() else: # static is_ok = c.write_single_register(1, 0) if not is_ok: c.open() reg = c.read_holding_registers(4, 1) if reg[0] == 2: sys.exit() f = open('C.txt', 'a') str1 = ''.join(str(alpha_a_int[i])) f.write(str1) f.write(' ') str1 = ''.join(str(alpha_b_int[i])) f.write(str1) f.write(' ') str1 = ''.join(str(omg_a_int[i])) f.write(str1) f.write(' ') str1 = ''.join(str(omg_b_int[i])) f.write(str1)