Welcome to PyModbus’s documentation!
Contents:
- PyModbus - A Python Modbus Stack
- Client
- Client classes
ModbusBaseClientModbusBaseClient.connectedModbusBaseClient.register()ModbusBaseClient.close()ModbusBaseClient.idle_time()ModbusBaseClient.execute()ModbusBaseClient.async_execute()ModbusBaseClient.callback_data()ModbusBaseClient.callback_disconnected()ModbusBaseClient.connect()ModbusBaseClient.raise_future()
AsyncModbusSerialClientModbusSerialClientAsyncModbusTcpClientModbusTcpClientAsyncModbusTlsClientModbusTlsClientAsyncModbusUdpClientModbusUdpClient
- Modbus calls
ModbusClientMixinModbusClientMixin.execute()ModbusClientMixin.read_coils()ModbusClientMixin.read_discrete_inputs()ModbusClientMixin.read_holding_registers()ModbusClientMixin.read_input_registers()ModbusClientMixin.write_coil()ModbusClientMixin.write_register()ModbusClientMixin.read_exception_status()ModbusClientMixin.diag_query_data()ModbusClientMixin.diag_restart_communication()ModbusClientMixin.diag_read_diagnostic_register()ModbusClientMixin.diag_change_ascii_input_delimeter()ModbusClientMixin.diag_force_listen_only()ModbusClientMixin.diag_clear_counters()ModbusClientMixin.diag_read_bus_message_count()ModbusClientMixin.diag_read_bus_comm_error_count()ModbusClientMixin.diag_read_bus_exception_error_count()ModbusClientMixin.diag_read_slave_message_count()ModbusClientMixin.diag_read_slave_no_response_count()ModbusClientMixin.diag_read_slave_nak_count()ModbusClientMixin.diag_read_slave_busy_count()ModbusClientMixin.diag_read_bus_char_overrun_count()ModbusClientMixin.diag_read_iop_overrun_count()ModbusClientMixin.diag_clear_overrun_counter()ModbusClientMixin.diag_getclear_modbus_response()ModbusClientMixin.diag_get_comm_event_counter()ModbusClientMixin.diag_get_comm_event_log()ModbusClientMixin.write_coils()ModbusClientMixin.write_registers()ModbusClientMixin.report_slave_id()ModbusClientMixin.read_file_record()ModbusClientMixin.write_file_record()ModbusClientMixin.mask_write_register()ModbusClientMixin.readwrite_registers()ModbusClientMixin.read_fifo_queue()ModbusClientMixin.read_device_information()ModbusClientMixin.DATATYPEModbusClientMixin.convert_from_registers()ModbusClientMixin.convert_to_registers()
- Client classes
- Server
ModbusSerialServerModbusSimulatorServerModbusSimulatorServer.action_add()ModbusSimulatorServer.action_clear()ModbusSimulatorServer.action_monitor()ModbusSimulatorServer.action_reset()ModbusSimulatorServer.action_set()ModbusSimulatorServer.action_simulate()ModbusSimulatorServer.action_stop()ModbusSimulatorServer.build_html_calls()ModbusSimulatorServer.build_html_log()ModbusSimulatorServer.build_html_registers()ModbusSimulatorServer.build_html_server()ModbusSimulatorServer.build_json_calls()ModbusSimulatorServer.build_json_log()ModbusSimulatorServer.build_json_registers()ModbusSimulatorServer.build_json_server()ModbusSimulatorServer.handle_html()ModbusSimulatorServer.handle_html_static()ModbusSimulatorServer.handle_json()ModbusSimulatorServer.helper_build_html_submit()ModbusSimulatorServer.run_forever()ModbusSimulatorServer.server_request_tracer()ModbusSimulatorServer.server_response_manipulator()ModbusSimulatorServer.start_modbus_server()ModbusSimulatorServer.stop()ModbusSimulatorServer.stop_modbus_server()
ModbusTcpServerModbusTlsServerModbusUdpServerServerAsyncStop()ServerStop()StartAsyncSerialServer()StartAsyncTcpServer()StartAsyncTlsServer()StartAsyncUdpServer()StartSerialServer()StartTcpServer()StartTlsServer()StartUdpServer()get_simulator_commandline()
- NullModem
- Simulator
- REPL
- Dependencies
- Usage Instructions
- DEMO
- REPL client classes
ExtendedRequestSupportExtendedRequestSupport.change_ascii_input_delimiter()ExtendedRequestSupport.clear_counters()ExtendedRequestSupport.clear_overrun_count()ExtendedRequestSupport.force_listen_only_mode()ExtendedRequestSupport.get_clear_modbus_plus()ExtendedRequestSupport.get_com_event_counter()ExtendedRequestSupport.get_com_event_log()ExtendedRequestSupport.mask_write_register()ExtendedRequestSupport.read_coils()ExtendedRequestSupport.read_device_information()ExtendedRequestSupport.read_discrete_inputs()ExtendedRequestSupport.read_exception_status()ExtendedRequestSupport.read_holding_registers()ExtendedRequestSupport.read_input_registers()ExtendedRequestSupport.readwrite_registers()ExtendedRequestSupport.report_slave_id()ExtendedRequestSupport.restart_comm_option()ExtendedRequestSupport.return_bus_com_error_count()ExtendedRequestSupport.return_bus_exception_error_count()ExtendedRequestSupport.return_bus_message_count()ExtendedRequestSupport.return_diagnostic_register()ExtendedRequestSupport.return_iop_overrun_count()ExtendedRequestSupport.return_query_data()ExtendedRequestSupport.return_slave_bus_char_overrun_count()ExtendedRequestSupport.return_slave_busy_count()ExtendedRequestSupport.return_slave_message_count()ExtendedRequestSupport.return_slave_no_ack_count()ExtendedRequestSupport.return_slave_no_response_count()ExtendedRequestSupport.write_coil()ExtendedRequestSupport.write_coils()ExtendedRequestSupport.write_register()ExtendedRequestSupport.write_registers()
ModbusSerialClientModbusSerialClient.get_baudrate()ModbusSerialClient.get_bytesize()ModbusSerialClient.get_parity()ModbusSerialClient.get_port()ModbusSerialClient.get_serial_settings()ModbusSerialClient.get_stopbits()ModbusSerialClient.get_timeout()ModbusSerialClient.set_baudrate()ModbusSerialClient.set_bytesize()ModbusSerialClient.set_parity()ModbusSerialClient.set_port()ModbusSerialClient.set_stopbits()ModbusSerialClient.set_timeout()
ModbusTcpClienthandle_brodcast()make_response_dict()
- REPL server classes
- Datastore
- Framer
- pymodbus.framer.ascii_framer module
- pymodbus.framer.binary_framer module
- pymodbus.framer.rtu_framer module
ModbusRtuFramerModbusRtuFramer.advanceFrame()ModbusRtuFramer.buildPacket()ModbusRtuFramer.checkFrame()ModbusRtuFramer.decode_data()ModbusRtuFramer.frameProcessIncomingPacket()ModbusRtuFramer.getFrame()ModbusRtuFramer.getFrameStart()ModbusRtuFramer.get_expected_response_length()ModbusRtuFramer.isFrameReady()ModbusRtuFramer.methodModbusRtuFramer.populateHeader()ModbusRtuFramer.populateResult()ModbusRtuFramer.recvPacket()ModbusRtuFramer.resetFrame()ModbusRtuFramer.sendPacket()
- pymodbus.framer.socket_framer module
- Constants
DeviceInformation.BASICDeviceInformation.REGULARDeviceInformation.EXTENDEDDeviceInformation.SPECIFICEndian.AUTOEndian.BIGEndian.LITTLEModbusPlusOperation.GET_STATISTICSModbusPlusOperation.CLEAR_STATISTICSModbusStatus.WAITINGModbusStatus.READYModbusStatus.ONModbusStatus.OFFModbusStatus.SLAVE_ONModbusStatus.SLAVE_OFFMoreData.NOTHINGMoreData.KEEP_READING
- Extra functions
pymodbus_apply_logging_config()ReadBitsResponseBaseReadCoilsRequestReadCoilsResponseReadDiscreteInputsRequestReadDiscreteInputsResponseWriteMultipleCoilsRequestWriteMultipleCoilsResponseWriteSingleCoilRequestWriteSingleCoilResponseDeviceInformationFactoryModbusDeviceIdentificationModbusDeviceIdentification.MajorMinorRevisionModbusDeviceIdentification.ModelNameModbusDeviceIdentification.ProductCodeModbusDeviceIdentification.ProductNameModbusDeviceIdentification.UserApplicationNameModbusDeviceIdentification.VendorNameModbusDeviceIdentification.VendorUrlModbusDeviceIdentification.summary()ModbusDeviceIdentification.update()
ModbusPlusStatisticsChangeAsciiInputDelimiterRequestChangeAsciiInputDelimiterResponseClearCountersRequestClearCountersResponseClearOverrunCountRequestClearOverrunCountResponseDiagnosticStatusRequestDiagnosticStatusResponseForceListenOnlyModeRequestForceListenOnlyModeResponseGetClearModbusPlusRequestGetClearModbusPlusResponseRestartCommunicationsOptionRequestRestartCommunicationsOptionResponseReturnBusCommunicationErrorCountRequestReturnBusCommunicationErrorCountResponseReturnBusExceptionErrorCountRequestReturnBusExceptionErrorCountResponseReturnBusMessageCountRequestReturnBusMessageCountResponseReturnDiagnosticRegisterRequestReturnDiagnosticRegisterResponseReturnIopOverrunCountRequestReturnIopOverrunCountResponseReturnQueryDataRequestReturnQueryDataResponseReturnSlaveBusCharacterOverrunCountRequestReturnSlaveBusCharacterOverrunCountResponseReturnSlaveBusyCountRequestReturnSlaveBusyCountResponseReturnSlaveMessageCountRequestReturnSlaveMessageCountResponseReturnSlaveNAKCountRequestReturnSlaveNAKCountResponseReturnSlaveNoResponseCountRequestReturnSlaveNoResponseCountResponseCommunicationRestartEventEnteredListenModeEventModbusEventRemoteReceiveEventRemoteSendEventConnectionExceptionInvalidMessageReceivedExceptionMessageRegisterExceptionModbusExceptionModbusIOExceptionNoSuchSlaveExceptionNotImplementedExceptionParameterExceptionClientDecoderServerDecoderFileRecordReadFifoQueueRequestReadFifoQueueResponseReadFileRecordRequestReadFileRecordResponseWriteFileRecordRequestWriteFileRecordResponseReadDeviceInformationRequestReadDeviceInformationResponseGetCommEventCounterRequestGetCommEventCounterResponseGetCommEventLogRequestGetCommEventLogResponseReadExceptionStatusRequestReadExceptionStatusResponseReportSlaveIdRequestReportSlaveIdResponseBinaryPayloadBuilderBinaryPayloadBuilder.add_16bit_float()BinaryPayloadBuilder.add_16bit_int()BinaryPayloadBuilder.add_16bit_uint()BinaryPayloadBuilder.add_32bit_float()BinaryPayloadBuilder.add_32bit_int()BinaryPayloadBuilder.add_32bit_uint()BinaryPayloadBuilder.add_64bit_float()BinaryPayloadBuilder.add_64bit_int()BinaryPayloadBuilder.add_64bit_uint()BinaryPayloadBuilder.add_8bit_int()BinaryPayloadBuilder.add_8bit_uint()BinaryPayloadBuilder.add_bits()BinaryPayloadBuilder.add_string()BinaryPayloadBuilder.build()BinaryPayloadBuilder.encode()BinaryPayloadBuilder.reset()BinaryPayloadBuilder.to_coils()BinaryPayloadBuilder.to_registers()
BinaryPayloadDecoderBinaryPayloadDecoder.bit_chunks()BinaryPayloadDecoder.decode_16bit_float()BinaryPayloadDecoder.decode_16bit_int()BinaryPayloadDecoder.decode_16bit_uint()BinaryPayloadDecoder.decode_32bit_float()BinaryPayloadDecoder.decode_32bit_int()BinaryPayloadDecoder.decode_32bit_uint()BinaryPayloadDecoder.decode_64bit_float()BinaryPayloadDecoder.decode_64bit_int()BinaryPayloadDecoder.decode_64bit_uint()BinaryPayloadDecoder.decode_8bit_int()BinaryPayloadDecoder.decode_8bit_uint()BinaryPayloadDecoder.decode_bits()BinaryPayloadDecoder.decode_string()BinaryPayloadDecoder.fromCoils()BinaryPayloadDecoder.fromRegisters()BinaryPayloadDecoder.reset()BinaryPayloadDecoder.skip_bytes()
ModbusResponse.should_respondModbusResponse._rtu_frame_sizeReadHoldingRegistersRequestReadHoldingRegistersResponseReadInputRegistersRequestReadInputRegistersResponseReadRegistersResponseBaseReadWriteMultipleRegistersRequestReadWriteMultipleRegistersResponseMaskWriteRegisterRequestMaskWriteRegisterResponseWriteMultipleRegistersRequestWriteMultipleRegistersResponseWriteSingleRegisterRequestWriteSingleRegisterResponseDictTransactionManagerFifoTransactionManagerModbusAsciiFramerModbusBinaryFramerModbusRtuFramerModbusRtuFramer.advanceFrame()ModbusRtuFramer.buildPacket()ModbusRtuFramer.checkFrame()ModbusRtuFramer.decode_data()ModbusRtuFramer.frameProcessIncomingPacket()ModbusRtuFramer.getFrame()ModbusRtuFramer.getFrameStart()ModbusRtuFramer.get_expected_response_length()ModbusRtuFramer.isFrameReady()ModbusRtuFramer.methodModbusRtuFramer.populateHeader()ModbusRtuFramer.populateResult()ModbusRtuFramer.recvPacket()ModbusRtuFramer.resetFrame()ModbusRtuFramer.sendPacket()
ModbusSocketFramerModbusTlsFramercheckCRC()checkLRC()computeCRC()computeLRC()default()pack_bitstring()rtuFrameSize()unpack_bitstring()
- Examples
- Ready to run examples:
- Advanced examples
- Client asynchronous calls
- Client asynchronous
- Client calls
- Client custom message
- Client payload
- Client synchronous
- Server asynchronous
- Server callback
- Server tracer
- Server payload
- Server synchronous
- Server updating
- Simulator example
- Simulator datastore example
- Message generator
- Message Parser
- Modbus forwarder
- Examples contributions
- Authors