def __modbus_init(self):
port = self.find_port()
self.pymc = pyRtu(method=MODE,
port=port,
parity=PARITY,
stopbits=STOP_BITS,
baudrate=BAUD_RATE,
timeout=TIME_OUT)
def __init__(self, host, unit=1, baud=19200, timeout=1):
if host.startswith("/"):
self.pymc = pySerial(
method="rtu", port=host, baudrate=baud, timeout=timeout
)
else:
self.pymc = pyRtu(host=host, port=502)
self.unit = unit
def __init__(self, host, unit = 1, baud = 19200, timeout = 1):
if (host.startswith('/')):
self.pymc=pySerial(method='rtu', port=host, baudrate=baud, timeout=timeout)
else:
self.pymc=pyRtu(host=host, port=502)
self.unit = unit
def __modbus_init(self): port = self.find_port() self.pymc = pyRtu(method=MODE, port=port,parity = PARITY,stopbits =STOP_BITS, baudrate=BAUD_RATE, timeout=TIME_OUT)
import traceback
import serial
from pymodbus.client.sync import ModbusSerialClient as pyRtu
slavesArr = [1]
iterSp = 100
regsSp = 10
#portNbr = '/dev/ttyUSB0'
portNbr = '/dev/cu.usbserial-1420'
portName = 'com22'
#baudrate = 9600
baudrate = 19200
timeoutSp = 10
pymc = pyRtu(method='rtu', port=portNbr, baudrate=baudrate, timeout=timeoutSp)
errCnt = 0
startTs = time.time()
for i in range(iterSp):
for slaveId in slavesArr:
try:
hr = pymc.read_holding_registers(0,regsSp,unit=slaveId)
print(hr)
except:
errCnt += 1
tb = traceback.format_exc()
stopTs = time.time()
timeDiff = stopTs - startTs