파이썬 Modbus TCP Poll [GUI]

Programming/Python2021. 6. 14. 10:29

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Mac OS용 무료 Modbus TCP/IP Poll을 찾는 것 보다는 직접 만드는게 더 빠를 것 같아서

일단은 Holding Register만 읽을 수 있는 Modbus TCP Poll을 만들어 봤습니다.

import sys

from pyModbusTCP.client import ModbusClient

from PyQt5 import QtCore

from PyQt5.QtWidgets import QApplication, QInputDialog, QLabel, QComboBox, QLineEdit, QPushButton, QSpinBox, QWidget

from time import sleep

from pyModbusTCP.utils import get_bits_from_int

class MyApp(QWidget):

def __init__(self):

super().__init__()

self.initUI()

def initUI(self):

# 윈도우 셋팅

self.setWindowTitle("Modbus TCP/IP Application")

self.move(0, 0)

self.setGeometry(0, 0, 560, 900)

####### 첫 번째 줄 #####

# 라벨 1 : Modbus Mode

self.label_1 = QLabel('Modbus Mode', self)

self.label_1.move(10, 10)

# 콤보박스 : TCP/RTU 선택

cb_mode = QComboBox(self)

cb_mode.addItem('TCP')

cb_mode.addItem('RTU')

cb_mode.move(100, 4)

cb_mode.activated[str].connect(self.onActivated)

# 라벨 2 : Unit ID

self.label_2 = QLabel('Unit ID', self)

self.label_2.move(180, 10)

# 스핀박스 1 : Unit ID 선택

self.spinbox_1 = QSpinBox(self)

self.spinbox_1.move(230, 8)

self.spinbox_1.setRange(1, 255)

self.spinbox_1.setSingleStep(1)

self.spinbox_1.valueChanged.connect(self.value_changed_1)

# 라벨 3 : Scan Rate (ms)

self.label_3 = QLabel('Scan Rate (ms)', self)

self.label_3.move(290, 10)

# 스핀박스 2 : Scan Rate (ms) 선택

self.spinbox_2 = QSpinBox(self)

self.spinbox_2.move(385, 8)

self.spinbox_2.setRange(1000, 10000)

self.spinbox_2.setSingleStep(500)

# 푸쉬 버튼 1 : IP 셋팅 버튼

self.btn1 = QPushButton('IP Setting', self)

self.btn1.setCheckable(True)

self.btn1.toggle()

self.btn1.move(450, 4)

self.btn1.clicked.connect(self.showDialog)

#####################################

####### 두 번째 줄 ##########

# 라벨 4 : Function Code

self.label_4 = QLabel('Function Code', self)

self.label_4.move(10, 40)

# 콤보박스 : Function Code 선택

cb_code = QComboBox(self)

cb_code.addItem('[ 0x01 ] Read Coils')

cb_code.addItem('[ 0x02 ] Read Discrete Inputs')

cb_code.addItem('[ 0x03 ] Read Holding Registers')

cb_code.addItem('[ 0x04 ] Read Input Registers')

cb_code.addItem('[ 0x05 ] Write Single Coil')

cb_code.addItem('[ 0x06 ] Write Single Register')

cb_code.addItem('[ 0x0f ] Write Multiple Coils')

cb_code.addItem('[ 0x10 ] Write Multiple Registers')

cb_code.setCurrentIndex(2)

cb_code.move(100, 34)

# 라벨 5 : Start Address

self.label_5 = QLabel('Start Address', self)

self.label_5.move(345, 40)

# 스핀박스 3 : Start Address 선택

self.spinbox_3 = QSpinBox(self)

self.spinbox_3.move(430, 38)

self.spinbox_3.setRange(0, 65535)

self.spinbox_3.setSingleStep(1)

self.spinbox_3.valueChanged.connect(self.value_changed_3)

# 콤보박스 : Address Type 선택

cb_type = QComboBox(self)

cb_type.addItem('Hex')

cb_type.addItem('Dec')

cb_type.setCurrentIndex(1)

cb_type.move(490, 34)

#########################################################

###### 세 번째 줄 ###################

# 라벨 6 : Number of Registers

self.label_6 = QLabel('Number of Registers', self)

self.label_6.move(10, 70)

# 스핀박스 4 : Number of Registers 선택

self.spinbox_4 = QSpinBox(self)

self.spinbox_4.move(140, 68)

self.spinbox_4.setRange(1, 125)

self.spinbox_4.setSingleStep(1)

self.temp_4 = int(self.spinbox_4.value())

self.spinbox_4.valueChanged.connect(self.value_changed_4)

# 라벨 7 : Data Format

self.label_7 = QLabel('Data Format', self)

self.label_7.move(200, 70)

# 콤보박스 : Data Format 선택

cb_format = QComboBox(self)

cb_format.addItem('Bin')

cb_format.addItem('Dec')

cb_format.addItem('Hex')

cb_format.addItem('Float')

cb_format.setCurrentIndex(1)

cb_format.move(280, 64)

##############################################

######### 네 번째 줄 ###############

# 라인에디터 : 1개 Enable, 124개 Disable로 생성

for i in range(1, 11):

globals()['tb_{}'.format(i)] = QLineEdit(self)

globals()['tb_{}'.format(i)].move(-20+(i*50), 100)