micropython plc_Python pycomm包_程序模块 - PyPI

AB U通信

ab_comm是一个模块，它包含一组类，用于使用以太网/ip协议连接罗克韦尔可编程逻辑控制器。

“CLX”类可用于与CompactLogix、ControlLogix PLC通信

“SLC”可用于与Micrologix或SLC可编程逻辑控制器通信

有关与ControlLogix PLC的通信，请参阅以下代码段：from pycomm.ab_comm.clx import Driver as ClxDriver

import logging

if __name__ == '__main__':

logging.basicConfig(

filename="ClxDriver.log",

format="%(levelname)-10s %(asctime)s %(message)s",

level=logging.DEBUG

)

c = ClxDriver()

if c.open('172.16.2.161'):

print(c.read_tag(['ControlWord']))

print(c.read_tag(['parts', 'ControlWord', 'Counts']))

print(c.write_tag('Counts', -26, 'INT'))

print(c.write_tag(('Counts', 26, 'INT')))

print(c.write_tag([('Counts', 26, 'INT')]))

print(c.write_tag([('Counts', -26, 'INT'), ('ControlWord', -30, 'DINT'), ('parts', 31, 'DINT')]))

# To read an array

r_array = c.read_array("TotalCount", 1750)

for tag in r_array:

print (tag)

# reset tha array to all 0

w_array = []

for i in xrange(1750):

w_array.append(0)

c.write_array("TotalCount", "SINT", w_array)

c.close()

有关与Micrologix plc的通信，请参阅以下代码片段：from pycomm.ab_comm.slc import Driver as SlcDriver

import logging

if __name__ == '__main__':

logging.basicConfig(

filename="SlcDriver.log",

format="%(levelname)-10s %(asctime)s %(message)s",

level=logging.DEBUG

)

c = SlcDriver()

if c.open('172.16.2.160'):

print c.read_tag('S:1/5')

print c.read_tag('S:60', 2)

print c.write_tag('N7:0', [-30, 32767, -32767])

print c.write_tag('N7:0', 21)

print c.read_tag('N7:0', 10)

print c.write_tag('F8:0', [3.1, 4.95, -32.89])

print c.write_tag('F8:0', 21)

print c.read_tag('F8:0', 3)

print c.write_tag('B3:100', [23, -1, 4, 9])

print c.write_tag('B3:100', 21)

print c.read_tag('B3:100', 4)

print c.write_tag('T4:3.PRE', 431)

print c.read_tag('T4:3.PRE')

print c.write_tag('C5:0.PRE', 501)

print c.read_tag('C5:0.PRE')

print c.write_tag('T4:3.ACC', 432)

print c.read_tag('T4:3.ACC')

print c.write_tag('C5:0.ACC', 502)

print c.read_tag('C5:0.ACC')

c.write_tag('T4:2.EN', 0)

c.write_tag('T4:2.TT', 0)

c.write_tag('T4:2.DN', 0)

print c.read_tag('T4:2.EN', 1)

print c.read_tag('T4:2.TT', 1)

print c.read_tag('T4:2.DN',)

c.write_tag('C5:0.CU', 1)

c.write_tag('C5:0.CD', 0)

c.write_tag('C5:0.DN', 1)

c.write_tag('C5:0.OV', 0)

c.write_tag('C5:0.UN', 1)

c.write_tag('C5:0.UA', 0)

print c.read_tag('C5:0.CU')

print c.read_tag('C5:0.CD')

print c.read_tag('C5:0.DN')

print c.read_tag('C5:0.OV')

print c.read_tag('C5:0.UN')

print c.read_tag('C5:0.UA')

c.write_tag('B3:100', 1)

print c.read_tag('B3:100')

c.write_tag('B3/3955', 1)

print c.read_tag('B3/3955')

c.write_tag('N7:0/2', 1)

print c.read_tag('N7:0/2')

print c.write_tag('O:0.0/4', 1)

print c.read_tag('O:0.0/4')

c.close()

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