# Generic - [ModbusClient\_RTU](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_rtu.md) - [ErrorUnitId](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_rtu/errorunitid.md) - [RTU\_Release\_Handler](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_rtu/rtu_release_handler.md) - [ModbusClient\_TCP](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp.md) - [ReleaseAccessHandler](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/releaseaccesshandler.md) - [Close](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/close.md) - [HasError](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/haserror.md) - [ReadyForReceive](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/readyforreceive.md) - [ReadyForSend](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/readyforsend.md) - [FB\_Exit](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/fb_exit.md) - [FB\_Init](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/fb_init.md) - [GetUnitID](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp/getunitid.md) - [ModbusClient\_TCP\_Fast](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast.md) - [ReleaseAccessHandler](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/releaseaccesshandler.md) - [Close](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/close.md) - [HasError](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/haserror.md) - [ReadyForReceive](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/readyforreceive.md) - [ReadyForSend](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/readyforsend.md) - [FB\_Exit](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/fb_exit.md) - [FB\_Init](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/fb_init.md) - [GetUnitID](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusclient_tcp_fast/getunitid.md) - [ModbusValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/modbusvalue.md) - [SimpleReadValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplereadvalue.md) - [SimpleReadArray](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplereadarray.md) - [SimpleReadCoilInput](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplereadcoilinput.md) - [SimpleWriteCoil\_FC05](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoil_fc05.md) - [Check\_DataType\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoil_fc05/check_datatype_inputvalue.md) - [Check\_ValidityBoundaries\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoil_fc05/check_validityboundaries_inputvalue.md) - [Check\_ValueChange\_DataType](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoil_fc05/check_valuechange_datatype.md) - [Check\_ValueChange\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoil_fc05/check_valuechange_inputvalue.md) - [SimpleWriteValueCoil](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluecoil.md) - [CONVERT\_LWORD\_TO\_ARRAY\_OF\_BYTES](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluecoil/convert_lword_to_array_of_bytes.md) - [SimpleWriteValueFloat](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat.md) - [CONVERT\_IEEE\_32BIT\_TO\_REAL](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat/convert_ieee_32bit_to_real.md) - [CONVERT\_IEEE\_64BIT\_TO\_REAL](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat/convert_ieee_64bit_to_real.md) - [CONVERT\_LREAL\_TO\_ARRAY\_OF\_WORD](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat/convert_lreal_to_array_of_word.md) - [CONVERT\_REAL\_TO\_ARRAY\_OF\_WORD](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat/convert_real_to_array_of_word.md) - [CONVERT\_TO\_BIG\_ENDIAN](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevaluefloat/convert_to_big_endian.md) - [SimpleWriteValueInt](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevalueint.md) - [CONVERT\_LINT\_TO\_ARRAY\_OF\_INT](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevalueint/convert_lint_to_array_of_int.md) - [CONVERT\_LWORD\_TO\_ARRAY\_OF\_WORD](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevalueint/convert_lword_to_array_of_word.md) - [CONVERT\_TO\_BIG\_ENDIAN](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritevalueint/convert_to_big_endian.md) - [SimpleWriteArrayOfInt](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritearrayofint.md) - [SimpleWriteArrayOfWord](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritearrayofword.md) - [SimpleWriteCoils\_FC15](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoils_fc15.md) - [Check\_DataType\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoils_fc15/check_datatype_inputvalue.md) - [Check\_ValidityBoundaries\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoils_fc15/check_validityboundaries_inputvalue.md) - [Check\_ValueChange\_DataType](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoils_fc15/check_valuechange_datatype.md) - [Check\_ValueChange\_InputValue](/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/generic/simplewritecoils_fc15/check_valuechange_inputvalue.md)