Python 逐位读取保持寄存器
我需要用python一点一点地读取Siemens 1200保持寄存器,在网上搜索我发现PyModbus是一个优秀的库,但用它我只能读取这样一个整数,而不能一点一点地读取保持寄存器 代码如下:Python 逐位读取保持寄存器,python,modbus-tcp,pymodbus,Python,Modbus Tcp,Pymodbus,我需要用python一点一点地读取Siemens 1200保持寄存器,在网上搜索我发现PyModbus是一个优秀的库,但用它我只能读取这样一个整数,而不能一点一点地读取保持寄存器 代码如下: from pymodbus.client.sync import ModbusTcpClient client = ModbusTcpClient('x.y.z.w', port=xxx) result = client.write_registers(1, [1, 2, 4, 8, 16, 32,
from pymodbus.client.sync import ModbusTcpClient
client = ModbusTcpClient('x.y.z.w', port=xxx)
result = client.write_registers(1, [1, 2, 4, 8, 16, 32, 64, 128, 256, 512]) # write some register
results = client.read_holding_registers(0, 50) # read the first fifty register like int
print("0-50", results.registers)
results = client.read_holding_registers(50, 50) # read the last fifty register like int
print("50-100:", results.registers)
client.close()
有人有任何提示吗?Modbus保持寄存器是16位整数,协议没有单独读取位的规定。当然,一旦接收到整数位,就可以对其执行任何操作。
from pymodbus.client.sync import ModbusTcpClient
from pymodbus.payload import BinaryPayloadDecoder
from pymodbus.constants import Endian
CLP_MB = ModbusTcpClient(['IP'], port=502)
adress_Tag=1
adress_Tag=int(adress_Tag)
size=50
value = CLP.read_coils(adress_Tag, size, unit=0)
#last part
value_bit_0 = int(value.bits[0])
value_bit_1 = int(value.bits[1])
.....
you can use a for loop to automation this last part