pikapython/examples/modbus/rtu_master.py
2023-02-10 11:07:25 +08:00

22 lines
510 B
Python

import modbus
mb_tcp = modbus.ModBusRTU(128, 128)
mb_tcp.setSlave(1)
send_buff = mb_tcp.serializeReadRegisters(0, 10)
print(send_buff)
host_regists = mb_tcp.deserializeReadRegisters(
b'\x01\x03\x14\x00\x00\x00\x00\x04\xD2\x00\x00\x00\x00\x00\x7B\x00\x00\x00\x00\x00\x00\x00\x00\xE5\x0B'
)
print(host_regists)
mb_tcp.serializeReadInputRegisters(0, 2)
mb_tcp.deserializeReadInputRegisters(b'\x01\x04\x04\x00\x00\x08\xE6\x7D\xCE')
send_buff = mb_tcp.serializeWriteRegister(0, 0x1234)
print(send_buff)