I am trying to set a value of R/W register
modbus -s 2 --verbose 127.0.0.1:9502 H@41167/I=5000, where 5000 is the value of the register.
With this command I am getting below error, but I am able to read the value of register which is 10000.
File "/opt/homebrew/lib/python3.11/site-packages/modbus_cli/modbus_tcp.py", line 61, in perform_accesses
access.write_registers_receive(self)
File "/opt/homebrew/lib/python3.11/site-packages/modbus_cli/access.py", line 221, in write_registers_receive
modbus.receive(self.request)
File "/opt/homebrew/lib/python3.11/site-packages/modbus_cli/modbus_tcp.py", line 38, in receive
return self.protocol.parse_response_adu(response, request)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/umodbus/client/tcp.py", line 235, in parse_response_adu
function = create_function_from_response_pdu(resp_pdu, req_adu)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/umodbus/functions.py", line 132, in create_function_from_response_pdu
function_code = pdu_to_function_code_or_raise_error(resp_pdu)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/homebrew/lib/python3.11/site-packages/umodbus/functions.py", line 118, in pdu_to_function_code_or_raise_error
raise error_code_to_exception_map[error_code]
The device I am trying to connect is connected via Modbus TCP protocol.
According to The register 41167 has
CNT 2 (Number of assigned Modbus registers)
TYPE U32 (A double word (32-bit))
Format FIX2 (Decimal number, commercially rounded, two decimal places.)
I am new to modbus integrations, and couldn't get much help from the readMe or code. Is there something that I am missing?
I am trying to set a value of R/W register
modbus -s 2 --verbose 127.0.0.1:9502 H@41167/I=5000
, where 5000 is the value of the register.With this command I am getting below error, but I am able to read the value of register which is 10000.
The device I am trying to connect is connected via Modbus TCP protocol. According to The register
41167
hasI am new to modbus integrations, and couldn't get much help from the readMe or code. Is there something that I am missing?