def comm_check():
global comm
global updateRunning
global connected
global connectionInProgress
try:
connectionInProgress = True
ip = selectedIPAddress.get()
port = int(selectedProcessorSlot.get())
if (not connected or comm.IPAddress != ip or comm.ProcessorSlot != port or changePLC.get() == 1):
if not comm is None:
comm.Close()
comm = None
comm = PLC()
comm.IPAddress = ip
if checkVarMicro800.get() == 0:
comm.ProcessorSlot = port
comm.Micro800 = False
else:
comm.Micro800 = True
plcTime = comm.GetPLCTime()
lbConnectionMessage.delete(0, 'end')
lbErrorMessage.delete(0, 'end')
if plcTime.Value is None:
if btnStop['state'] == 'disabled':
btnStart['state'] = 'disabled'
btnStart['bg'] = 'lightgrey'
lbConnectionMessage.insert(1, ' Not Connected')
lbErrorMessage.insert(1, ' ' + plcTime.Status)
connected = False
root.after(5000, start_connection)
else:
lbConnectionMessage.insert(1, ' Connected')
if not updateRunning:
updateRunning = True
connected = True
connectionInProgress = False
if btnStop['state'] == 'disabled':
btnStart['state'] = 'normal'
btnStart['bg'] = 'lightgreen'
else:
start_update()
changePLC.set(0)
except Exception as e:
if app_closing:
pass
else:
print(str(e))
def comm_check():
global comm
ip = selectedIPAddress.get()
port = int(selectedProcessorSlot.get())
if (comm.IPAddress != ip or comm.ProcessorSlot != port):
comm.Close()
comm = None
comm = PLC()
comm.IPAddress = ip
comm.ProcessorSlot = port
def getTags():
try:
lbTags.delete(0, 'end')
commGT = PLC()
commGT.IPAddress = selectedIPAddress.get()
if checkVarMicro800.get() == 0:
commGT.ProcessorSlot = int(selectedProcessorSlot.get())
tags = commGT.GetTagList()
if not tags is None:
if not tags.Value is None:
# save tags to a file
if checkVarSaveTags.get() == 1:
with open('tags_list.txt', 'w') as f:
for t in tags.Value:
if t.DataType == '':
f.write(t.TagName + '\n')
else:
f.write(t.TagName + ' (DataType - ' + t.DataType + ')\n')
for t in tags.Value:
j = 1
if t.DataType == '':
lbTags.insert(j, t.TagName)
else:
lbTags.insert(j, t.TagName + ' (DataType - ' + t.DataType + ')')
j = j + 1
else:
lbTags.insert(1, 'No Tags Retrieved')
else:
lbTags.insert(1, 'No Tags Retrieved')
commGT.Close()
commGT = None
except Exception as e:
if not commGT is None:
commGT.Close()
commGT = None
if app_closing:
pass
else:
print(str(e))
from pylogix import PLC
from ping3 import ping
import sys
import time
def read_tag(tag):
return comm.Read(tag)
# Setup the PLC object with initial parameters
comm = PLC()
controller_ip = '192.168.176.1' # Change to your plc ip address
controller_slot = 1 # Change to your plc slot number, Only do this if slot is not 0
comm.IPAddress = controller_ip
comm.ProcessorSlot = controller_slot
# ensure plc is pingable, else exit the program
if ping(controller_ip) is None:
print("Controller unreachable, check pc ip settings")
sys.exit()
# try to read a tag, else print error
try:
while True:
value = read_tag('bool_01')
time.sleep(1) # Change seconds here
print(value) # Do Ctrl + C to interrupt process
except NameError as e:
print(e)
except ValueError as e:
/_____/_/ \____/
"""
print(ascii_art)
print("Data Preserve Utility " + CODE_VERSION)
print("Author: Fernando ***REMOVED***")
print("Source: " + "https://github.com/TheFern2/Data_Preserve")
if __name__ == '__main__':
config = configparser.ConfigParser()
config.read('Settings.ini')
main_controller_ip = config['Settings']['PLC_IP']
comm.IPAddress = main_controller_ip
comm.ProcessorSlot = int(config['Settings']['PLC_SLOT'])
dp_save_remote_path = config['Settings']['Remote_Save_Path']
dp_save_local_path = config['Settings']['Local_Save_Path']
file_extension = config['Settings']['Files_Extension']
# load remote file names from ini
for key in config['Remote_Files']:
remote_files.append(config['Remote_Files'][key])
# load local file names from ini
for key in config['Local_Files']:
local_files.append(config['Local_Files'][key])
for key in config['Folder_Copy_On_Load']:
paths_on_load.append(config['Folder_Copy_On_Load'][key])
'''
the following import is only necessary because eip is not in this directory
'''
import sys
sys.path.append('..')
'''
The simplest example of reading a tag from a PLC
NOTE: You only need to call .Close() after you are done exchanging
data with the PLC. If you were going to read in a loop or read
more tags, you wouldn't want to call .Close() every time.
'''
from pylogix import PLC
comm = PLC()
comm.IPAddress = '192.168.111.249'
comm.ProcessorSlot = 3
value = comm.Read('Dest_IP')
print(value)
comm.Close()
