RecursosBibliotecas de símbolos DWGISO 14084-2 power plant symbols
Instrumentation and control
ISO 14084-2 power plant symbols: Instrumentation and control: 63 ready-made AutoCAD blocks (DWG), free to download and use in your own projects, as a ZIP or one symbol at a time.
63 blocks for measurement and control: process control information symbols, sensors for temperature, level, weight, flow, speed, vibration and position, signals, emergency stops and the control processing elements such as set point, controller, integrator, selector and the arithmetic functions.
Version 1.0 · updated 17 de outubro de 2026
Using AutoCAD 2017 or an earlier version? Download the 2010 format
Free to use and modify in your own projects, including commercial ones. The ZIP holds one plain DWG file in AutoCAD 2018 format and a README; no add-in needed. Provided as is, without warranty.
Related symbol libraries
All 63 symbols
63 de 63 símbolos
PCI, circle form, field mounted
PPD_X7201_PCI_CIRCLE_FIELDAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPCI, extended form, field mounted
PPD_X7202_PCI_EXT_FIELDAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPCI, circle form, local control system
PPD_X7203_PCI_CIRCLE_LOCALAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPCI, extended form, local control system
PPD_X7204_PCI_EXT_LOCALAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPCI, circle form, central control system
PPD_X7205_PCI_CIRCLE_CENTRALAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPCI, extended form, central control system
PPD_X7206_PCI_EXT_CENTRALAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPoint of measurement
PPD_1011_POINT_OF_MEASUREMENTAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, built-in type, general
PPD_X7270_SENSOR_BUILT_INAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, general
PPD_751_SENSORAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature measurement in line or duct
PPD_X7230_TEMP_IN_LINEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature gradient, outside
PPD_X7240_TEMP_GRADIENT_OUTSIDEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature gradient, middle
PPD_X7241_TEMP_GRADIENT_MIDDLEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature gradient, inside
PPD_X7242_TEMP_GRADIENT_INSIDEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature gradient on Y-piece
PPD_X7243_TEMP_GRADIENT_Y_PIECEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCTemperature measurement, outdoor
PPD_X7344_TEMP_OUTDOORAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLevel, general
PPD_X7250_LEVELAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLevel, ultrasonic or radar type
PPD_X7251_LEVEL_ULTRASONICAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLevel, vibration type
PPD_X7253_LEVEL_VIBRATIONAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLevel, electrode type, general
PPD_X7254_LEVEL_ELECTRODEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCWeighing cell
PPD_X7261_WEIGHING_CELLAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCWeighing bridge for railway wagons
PPD_X7262_WEIGHING_BRIDGE_RAILAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCWeighing cell on tank
PPD_X7263_WEIGHING_CELL_TANKAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPropeller or turbine meter
PPD_X7271_FLOW_PROPELLERAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCOrifice plate
PPD_X7272_ORIFICE_PLATEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCFlow nozzle
PPD_X7273_FLOW_NOZZLEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCVenturi nozzle
PPD_X7274_VENTURI_NOZZLEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCPitot tube
PPD_X7275_PITOT_TUBEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCVortex flow meter
PPD_X7276_VORTEXAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCUltrasonic flow meter, inline
PPD_X7277_ULTRASONIC_INLINEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCUltrasonic flow meter, clamp-on
PPD_X7278_ULTRASONIC_CLAMPAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCMagnetic flow meter
PPD_X7279_MAGNETIC_FLOWAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCCoriolis flow meter
PPD_X7280_CORIOLISAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCVariable area flow meter
PPD_X7281_VARIABLE_AREAAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCFlow switch, paddle type
PPD_X7282_FLOW_SWITCH_PADDLEAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, rotation
PPD_P127_SENSOR_ROTATIONAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, vibration, general
PPD_P128_SENSOR_VIBRATIONAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, vibration, rotating machines
PPD_P129_SENSOR_VIBRATION_ROTAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLimit switch, mechanical type
PPD_X7290_LIMIT_SWITCH_MECHAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCLimit switch, proximity type
PPD_X7291_LIMIT_SWITCH_PROXAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, axial displacement
PPD_P126_SENSOR_AXIALAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSensor, eccentricity, rotating machines
PPD_P130_SENSOR_ECCENTRICITYAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSignal, analogue
PPD_234_SIGNAL_ANALOGUEAtributos
SERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSignal, digital
PPD_235_SIGNAL_DIGITALAtributos
SERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCEmergency stop
PPD_X7283_EMERGENCY_STOPAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCEmergency wire stop along conveyor
PPD_X7284_EMERGENCY_WIRE_STOPAtributos
TAGSERVICERANGEUNITSIGNALLOCATIONMANUFACTURERMODELREMARKSSTD_CLAUSESTD_REFDESCSet point, form 1
PPD_P100_SET_POINT_1Atributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCSet point, form 2
PPD_X7363_SET_POINT_2Atributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCController, general
PPD_895_CONTROLLERAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCControl integrator
PPD_X7352_INTEGRATORAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCDead band
PPD_X7353_DEAD_BANDAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCFirst order delay
PPD_X7354_FIRST_ORDER_DELAYAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCLimit value, high or low
PPD_X7364_LIMIT_VALUEAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCMaximum selector
PPD_X7359_MAX_SELECTORAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCMinimum selector
PPD_X7360_MIN_SELECTORAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCSubtraction
PPD_X7358_SUBTRACTIONAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCSummation
PPD_X7365_SUMMATIONAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCDifference
PPD_X7355_DIFFERENCEAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCMultiplication
PPD_X7356_MULTIPLICATIONAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCDifferentiation
PPD_X7350_DIFFERENTIATIONAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESCPolygon table
PPD_X7351_POLYGON_TABLEAtributos
TAGSERVICESETTINGINPUTOUTPUTLOCATIONREMARKSSTD_CLAUSESTD_REFDESC
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Attributes for parts lists
Every block has a visible tag next to the symbol (for example B-101 for a boiler, ST-101 for a steam turbine, M-101 for a motor, G-101 for a generator). The data of your equipment list are invisible attributes such as SERVICE, POWER_MW, SPEED_RPM, INLET_PRESSURE_BAR, FUEL and MANUFACTURER. STD_CLAUSE and STD_REF hold the entry number and the registration number of the symbol in ISO 14084-2 (for example X6904), so you can find it in the standard.
Export the blocks of a process diagram to Excel with BlockSync to build an equipment list, check it against the drawing and write the corrections back in one run, with preview and backup.
How to use the library
- Unzip the file and open the DWG. Copy the symbols you need into your plan, or drag the blocks in from DesignCenter (ADCENTER).
- The symbols are drawn in millimetres on the 2.5 mm module of the standard and are 5 to 30 mm in size. Insert them at scale 1 and scale the block to the size of your diagram. A few very large symbols, such as the chimney and gas turbines, are reduced so that they stay a usable size.
- The connections are short lines or arrows where the standard draws them. Where the standard shows a * on a boiler, the type of the combustion or heating system is meant: place the matching symbol from the section on boilers next to it.
- A symbol that appears in two sections of the standard, such as the shaft, has the same block name in both sections, so the two DWG files can be used in one drawing.

































































