Burkert Type 8793 Manuel d'utilisateur

Operating InstructionsType 8792, 8793 Electropneumatic positioner and process controller

10General InformationSafety Instructions5. GENERAL INFORMATION5.1. Scope of supplyIn general it consists of:• Type 8792/8793 and • associated oper

100Start-UpTo observe PV, it is recommended to select via the arrow keys / the graphical display SP/PV(t). To be able to select the display SP/PV(

101Start-UpPossible error messages when running P.TUNE:Display Cause of fault Remedial actionTUNE err/breakManual termination of self-optimization by

102Start-UpEnglishType 8792, 8793

103conTenTs26. CONFIGURING THE AUXILIARY FUNCTIONS ...

104Auxiliary functions26.3. Manual configuration of X.TUNE ...

105Auxiliary functions26. CONFIGURING THE AUXILIARY FUNCTIONSThe device has auxiliary functions for demanding control tasks.This chapter describes ho

106Auxiliary functions26.1.2. Removing auxiliary functions from the main menuIf a function is removed from the main menu, the settings implemented pr

107Auxiliary functions26.2. Overview and description of the auxiliary functionsCHARACTADD.FUNCTIONCUTOFFDIR.CMDDIR.ACTSPLTRNG *X.LIMITX.TIMEX.CONTROL

108Auxiliary functions26.2.1. CHARACT – Select the transfer characteristic between input signal (position set-point value) and strokeCharacteristic

109Auxiliary functionsPosition set-point value [%] CMDStandardised valve stroke [%] (POS)Figure 53: CharacteristicsIn the case of control tasks for c

11conTenTs6. DESCRIPTION AND FEATURES OF THE TYPE 8792/8793 ...13

110Auxiliary functionsProcedure:Key Action DescriptionMENUPress for approx. 3 sSwitching from process level setting level. / Select CHARACT (T

111Auxiliary functionsExample of a programmed characteristicValve stroke [%] (POS)Standard signal [%] (CMD)10203040506070809010010 20 30 40 50 60 70 8

112Auxiliary functions26.2.2. CUTOFF – Sealing functionThis function causes the valve to be sealed outside the control area. This is where you input

113Auxiliary functionsValve stroke [%]Adjustable from 75 ... 100 %Set-point value [%] (CMD)einstellbar von 0 ... 25 %(POS)Figure 57: Graph - CUTOFF;

114Auxiliary functions26.2.3. DIR.CMD – Sense of effective direction of the positioner set-point value Use this auxiliary function to set the sense

115Auxiliary functions26.2.4. DIR.ACT – Sense of effective direction of the actuator driveUse this auxiliary function to set the sense of effective

116Auxiliary functions26.2.5. SPLTRNG – Signal split rangeMin. and max. values of the input signal as % for which the valve runs through the entire

117Auxiliary functions26.2.6. X.LIMIT – Limits the mechanical stroke rangeThis auxiliary function limits the (physical) stroke to specified % values

118Auxiliary functions26.2.7. X.TIME – Limiting the control speedUse this auxiliary function to specify the opening and closing times for the entire

119Auxiliary functions26.2.8. X.CONTROL – Parameterization of the positionerThis function can be used to re-adjust the parameters of the positioner.

12Description of System11.6. Electrical data ...

120Auxiliary functionsPosition set-point valueControl differenceXd1Position actual valueto the controllerXd1‘Dead zoneXd1Xd1‘Figure 69: Graph - X.CON

121Auxiliary functions26.2.10. SECURITY – Code protection for the settingsUse the SECURITY function to prevent the Type 8792/8793 or individual funct

122Auxiliary functionsSetting the code protection:Key Action DescriptionMENUPress for approx. 3 sSwitching from process level setting level. /

123Auxiliary functions26.2.11. SAFEPOS – Input the safety positionThis function specifies the actuator safety position which is started at defined si

124Auxiliary functions26.2.12. SIG.ERROR – Configuration of signal level fault detectionThe SIG-ERROR function is used to detect a fault on the input

125Auxiliary functions26.2.12.1. Behavior of the actuator when safety position deactivated or activatedSelection SafePos off – The actuator remai

126Auxiliary functionsSafePos – Approaching a safety position:The behavior of the actuator depends on the activation of the SAFEPOS auxiliary function

127Auxiliary functions26.2.14. OUTPUT – Configuring the outputs (option)The OUTPUT menu option is only indicated in the selection menu of ADD.FUNCTIO

128Auxiliary functions26.2.14.2. OUT BIN1 / OUT BIN2 - Configuring the binary outputsThe following description is valid for both binary outputs OUT B

129Auxiliary functions*OK*OKInput value Deviation: Input value Limit: SELECSELECENTEREXITEXITENTERSELECTolerance for the permitted control deviationAd

13Description of System6. DESCRIPTION AND FEATURES OF THE TYPE 8792/87936.1. General descriptionThe positioner Type 8792 / process controller Type 8

130Auxiliary functions26.2.14.3. Setting of the submenu options of OUT BIN 1 / OUT BIN 2Key Action DescriptionMENUPress for approx. 3 sSwitching fr

131Auxiliary functions• Safepos - Outputting the message: Actuator in safety position• ERR.SP/CMD - Outputting the message: Sensor break for process

132Auxiliary functions• OUT.type - Setting the switching status In addition to selecting the output, the switching status required for the binary ou

133Auxiliary functions26.2.15. CAL.USER – Calibration of actual value and set-point valueThe following values can be manually calibrated with this fu

134Auxiliary functionsENTERPress for approx. 3 sReset the settings of CAL.USER to factory settingsENTERENTERENTERENTERRUNEXITEXITEXITEXITINPUTINPUTINP

135Auxiliary functions26.2.15.1. Calibration of the position actual value and the position set-point valueKey Action DescriptionMENUPress for appro

136Auxiliary functions26.2.15.2. Calibration of the process set-point value and process actual valueKey Action DescriptionMENUPress for approx. 3 s

137Auxiliary functions26.2.15.3. Resetting the settings under CAL.USER to the factory settingsKey Action DescriptionMENUPress for approx. 3 sSwitch

138Auxiliary functions26.2.16. SET.FACTORY – Resetting to the factory settingsThis function allows all settings implemented by the user to be reset t

139Auxiliary functions26.2.17. SER. I\O – Settings of the serial interfaceThis function can be used to set the type of the serial interface and the b

14Description of System• Mounting on linear actuator according to NAMUR recommendation (DIN IEC 534 T6) or on rotary actuator according to VDI/VDE 38

140Auxiliary functions26.2.18. EXTRAS – Setting the displayThis function can be used to individually set the display.• The type of display is select

141Auxiliary functionsKey Action Description / Select EXTRASENTERPress The submenus of EXTRAS are displayed. / Select DISP. ITEMSENTERPress

142Auxiliary functions26.2.19. POS.SENSOR – Setting interface remote path sensorThe interface for the connection of an external path sensor can be se

143Auxiliary functions26.2.21. SIMULATION – Menu for simulation of set-point value, process and process valveThis function can be used to simulate se

144Auxiliary functions26.2.21.1. SIGNAL.sim – Simulation of the set-point valueThe settings to simulate the set-point value are made in the SIGNAL.si

145Auxiliary functionsKey Action Description / Select SIGNAL.simENTERPress The submenu for activating and parameterizing the set-point value simu

146Auxiliary functions26.2.21.2. CONTROL.sim – Simulation of the process and process valveThe settings to simulate the process and the process valve

147Auxiliary functionsKey Action Description / Select required simulationSelection x.SIM = simulation process.Selection p.SIM = simulation proces

148Auxiliary functions26.2.22. DIAGNOSE – Menu for monitoring valves (option)The optional function DIAGNOSE can be used to monitor the state of the v

149Auxiliary functions26.2.22.3. DIAGNOSE – Operating structureSELECD. MSGCONFIG. MSGADD.DIAGNOSERESET.HISTORYSERVICE.TIMESERVICE.TIMEHISTOGRAMSERVIC

15Description of System6.1.3. Overview of the mounting optionsMounting on rotary actuatorMounting with mounting bracket on a linear actuatorRemote

150Auxiliary functions26.2.22.4. Activation of diagnosis functionsIn the ADD.DIAGNOSE menu several diagnosis functions are activated and incorporated

151Auxiliary functions26.2.22.5. Description of the DIAGNOSE main menu1. D.MSG – Diagnosis messagesAll generated diagnosis messages are listed in the

152Auxiliary functionsIf several diagnosis messages are available with different status signals, the status signal with the highest priority is shown

153Auxiliary functions3. ADD.DIAGNOSE – Activation and deactivation of diagnosis functionsDiagnosis functions can be activated in this menu and incorp

154Auxiliary functions26.2.22.6. Description of the diagnosis functionsHISTOGRAM – Output of histogramsThe HISTOGRAM menu is divided into 2 parts:1.

155Auxiliary functionsPOS-Class - Description of the histogram of the dwell time densityThe histogram indicates how long the actuator has stopped in a

156Auxiliary functionsDIR-Class - Description of the histogram of the movement rangeThe histogram indicates the movement ranges of the actuator betwee

157Auxiliary functionsStarting, stopping and deleting the histogramsKey Action Description / Select HISTOGRAM (To do this, the HISTOGRAM function m

158Auxiliary functionsSERVICE.TIME – Operating-hours counterThe operating-hours counter records the time during which the device was switched on. If

159Auxiliary functionsTRAVEL.ACCU – Path accumulatorThe path accumulator records and adds up the path which the actuator piston covers. A movement of

16Description of System6.2. Designs6.2.1. Type 8792, positionerThe position of the actuator is regulated according to the position set-point value.

160Auxiliary functionsSpecifying interval for the output of messagesKey Action Description / Select TRAVEL.ACCU (To do this, the TRAVEL.ACCU functi

161Auxiliary functionsOperating structure:ENTERINPUTENTEROKESCEXITCLEARInput change in directionHistory entry is displayedDisplay the remaining change

162Auxiliary functionsDisplay TEMP.CHECK Description of the functionsEXIT29-8-1TEMP.CHECKCURRENTMAXMINLIMIT21.7 *C21.7 *C21.7 *CCURRENT indicates the

163Auxiliary functionsKey Action Description / Increase value< Changing the decimal placeInput upper temperature limit TEMP.MAX.OKPress Ackno

164Auxiliary functionsCAUTION!If a stroke limit was set in the X.LIMIT menu, the mechanical end position monitor has only limited relevance.The end po

165Auxiliary functionsKey Action DescriptionOKPress Acknowledge value. EXITPress Return to the STROKE.CHECK menu.EXITPress Return to the DIAGNOS

166Auxiliary functionsOperating structure:ENTERINPUTINPUTENTEROKOKESCESCEXITCLEARInput tolerance bandInput compensation timeHistory entry is displayed

167Auxiliary functions26.2.22.7. History entries in the HISTORY submenu Each diagnosis function, which can output a message, has the HISTORY submenu.

168Auxiliary functions26.3. Manual configuration of X.TUNE This function is needed for special requirements only. For standard applications the X.TUN

169Auxiliary functions26.3.1. Description of the menu for the manual configuration of X.TUNEX.TUNE.CONFIGConfiguration of the X.TUNE functionSpecify

17Description of System7. STRUCTUREThe positioner Type 8792 and process controller Type 8793 consist of the micro-processor controlled electronics, t

170Auxiliary functions26.3.1.2. X.TUNE.POS – Setting of the end positionsIn this menu you can specify whether the pneumatic actuator has mechanical e

171Auxiliary functions26.3.1.3. M.TUNE.PWM – Optimization of the PWM signalsIn this menu the PWM signals for control of the aeration valves and bleed

172Auxiliary functions26.3.1.4. M.TUNE.AIR – Determination of the opening and closing timesBy running this function, the opening and closing times of

173conTenTs27. OPERATING STRUCTURE AND FACTORY SETTINGS ...

174Operating structure / Factory settings27. OPERATING STRUCTURE AND FACTORY SETTINGSThe factory presets are highlighted in blue to the right of the

175Operating structure / Factory settingsBUS PDO 5)Error resetOperation modeCMD 2) / Setpoint 1)P.CONTRL active 1)X.TUNEP.Q‘LIN 1)P.TUNE 1)X.TUNE STAR

176Operating structure / Factory settingsADD.FUNCTIONCHARACTCUTOFFDIR.CMDDIR.ACTSPLTRNG 2)X.LIMITX.TIMEX.CONTROLP.CONTROL 1)SECURITYSAFEPOSSIG.ERROR 6

177Operating structure / Factory settingsX.LIMITCUTOFFDIR.CMDDIR.ACTSPLTRNG 2)CHARACTMin 0 %RiseRiseMin 0 %linearType PCOGRAPHMax 1

178Operating structure / Factory settingsSECURITY PV-SCALEP.CONTROL 1)X.LIMITX.TIMEX.CONTROLPID.PARAMETERSETUPMin 0 %T . open 1.0 secDBND

179Operating structure / Factory settingsSECURITY Access Code CODEMAINMANU / AUTOADDFUNCTX.TUNEP.Q‘LIN 1)P.TUNE 1)Teach-in at workSAFEPOSPV-SCALESP-S

18Description of System7.2. Function diagram7.2.1. Diagram illustrating single-acting actuatorThe black lines in “Figure 2” specify the function of

180Operating structure / Factory settingsCAL.USER OUT BIN 1SAFEPOSSIG.ERROR 6)OUTPUT 7)SafeposSP/CMD InputBINARY.INPV Input 1)Error offSafePosError of

181Operating structure / Factory settingsCAL.USEROUT BIN 1OUT BIN 2POS.DevPOS.DevFAILURELimit 0.0 %Limit 100.0 %Deviation 1.0 %Deviation 1.0

182Operating structure / Factory settingsEXTRAS SERIAL.CONFIGCAL.USERSET.FACTORYSER.I/Ocalibr. POScalibr. INP 2)calibr. SP 10)calibr. PV 1)copy FACT-&

183Operating structure / Factory settingsActivatable auxiliary functionsSERVICESTART-UP.ITEMSSERIAL.CONFIGDISP.ITEMSEXTRASNONE par.,1 StopPOSEVEN par.

184Operating structure / Factory settingsCLOCKINPUT 16)P.TUNE 1)P.LIN 1)TEMPX.TUNESTART-UP.ITEMSDISP.MODEPOSnormalCMDinversCMD/POSCMD/POS (t )PV 1)SP

185Operating structure / Factory settingsActivatable auxiliary functionsSIGNAL.simSIMULATION SIGNAL.form Externx.SIMOffsetCONTROL.simAmplitudePeriodeS

186Operating structure / Factory settingsFAILUREFAILUREFAILURETRAVEL.ACCUFUNC.CHECKFUNC.CHECKFUNC.CHECKCYCLE.COUNTEROUT.SPEZOUT.SPEZOUT.SPEZMAINTENANC

187Operating structure / Factory settingsReset doneRESET.HISTORYADD.DIAGNOSEHISTOGRAMSERVICE.TIMETRAVEL.ACCUCYCLE.COUNTERTEMP.CHECKSTROKE.CHECKPV.MONI

188Operating structure / Factory settingsTEMP.CHECKSTROKE.CHECKCURRENTTEMP.MAXTEMP.MAXZERO.TOLZEROTEMP.MINTEMP.MINMAX.TOLMAXMAXMAXMINMINLIMITLIMITLIMI

189conTenTs28. DESCRIPTION OF THE PROFIBUS DP ...

19Description of System8. POSITIONER TYPE 8792The position sensor records the current position (POS) of the pneumatic actuator. The positioner compar

190PROFIBUS DP28. DESCRIPTION OF THE PROFIBUS DP28.1. Technical dataThe protocol sequence complies with the standard DIN 19245 Part 3.GSD file

191PROFIBUS DP28.3. Changing the operating stateThere are two ways of switching between the MANUAL and AUTOMATIC operating states for the PROFIBUS DP

192PROFIBUS DP29. ELECTRICAL CONNECTIONSDANGER!Risk of injury due to electrical shock!• Before reaching into the device or the equipment, switch off

193PROFIBUS DP29.1. Connection diagram Type 8792X3 - M12, 5-pole circular connector *14325X2 - M12, 5-pole socket * 23415X4 - M8, 4-pole socket, op

194PROFIBUS DP29.3. X1 - M12, 8-pole circular connector Pin ConfigurationOn the device sideExternal circuit / Signal level1 not used2 not usedOperat

195PROFIBUS DP29.5. X4 - M8, 4-pole socket, optional - Remote Sensor (for remote model only)Connection of the digital, contact-free position sensor T

196PROFIBUS DP29.6. X5 - M8, 4-pole circular connector - process actual value (Type 8793 only)Input type* PinWire colour **ConfigurationDIP switches*

197PROFIBUS DP30. START-UP PROFIBUS DP30.1. Safety instructionsWARNING!Risk of injury from improper operation!Improper operation may result in injur

198PROFIBUS DP30.3. BUS.COMM – Settings on Type 8792/8793Set the following menu options in the BUS.COMM menu for start-up of the PROFIBUS DP:Address

199PROFIBUS DPBUS.COMMBUS PDIBUS PDOBUS FAILPositionP.CONTROL activeErrorsError resetP.CONTROL activeP.CONTROL activeCMDProcess value1)SetpointTempera

We reserve the right to make technical changes without notice.Technische Änderungen vorbehalten.Sous resérve de modification techniques.© 2009 - 2013

20Description of System8.2. Schematic representation of the position control4 – 20 mA 0 – 20 mA 0 – 10 V 0 – 5 VDIR.CMD SPLTRNG CHARACT CUTOFF X.TI

200PROFIBUS DP30.4. Configuration via the control (PROFIBUS DP Master) The configuration requires the following components: • Software suitable for

201PROFIBUS DPName Description IdentifierPDI:MODEOperating state (operation mode) Operating state:GSD file: PDI:MODE0:AUTO1:MANUAL2:XTUNE9:P.QLIN10:P.

202PROFIBUS DPName Description IdentifierPDO:MODE Operating state (operation mode)Value range 0, 1 or 12:0: AUTO / 1: HAND / 12: BUS

203PROFIBUS DP30.5. Configuration with Siemens Step730.5.1. Example 1 of a positioner (Type 8792): Transfer of set-point and actual valueFigure 120:

204PROFIBUS DP30.5.2. Example 2 of a process controller (Type 8793): Transfer of several process valuesFigure 122: ScreenShot PROFIBUS → Pull the sl

205conTenTs31. DESCRIPTION ...

206DeviceNet33.5. Configuration example 1 ...

207DeviceNet31. DESCRIPTION31.1. Explanation of term DeviceNetDeviceNet • The DeviceNet is a field bus system which is based on the CAN protocol (C

208DeviceNetDrop line length (Drop Lines)Baud rateLength of the drop linesMaximum lengthMaximum total length Drop lines in the network125 kbaud6 m for

209DeviceNet31.5. Bus status displayThe bus status is indicated on the display on the device.Display(is displayed approx. every 3 seconds)Device stat

21Description of System8.3. Positioner softwareConfigurable auxiliary functions EffectCorrection line to adjust the operating characteristicCHARACTSe

210DeviceNet31.6. Differences between the field bus devices and devices without a field busThe following chapters of these operating instructions are

211DeviceNet32. ELECTRICAL CONNECTIONSDANGER!Risk of injury due to electrical shock!• Before reaching into the device or the equipment, switch off t

212DeviceNet32.1. Connection diagram Type 8792X3 - M12, 5-pole circular connector23415X4 - M8, 4-pole socket, optional (for remote model only)Functi

213DeviceNet32.3. X1 - M12, 8-pole circular connector Pin ConfigurationOn the device sideExternal circuit / Signal level1 not used2 not usedOperating

214DeviceNet32.5. X4 - M8, 4-pole socket, optional - Remote Sensor (for remote model only)Connection of the digital, contact-free position sensor Typ

215DeviceNet32.6. X5 - M8, 4-pole circular connector - process actual value (Type 8793 only)Input type* PinWire colour **ConfigurationDIP switches***

216DeviceNet32.7. Terminating circuit for DeviceNet systemsWhen installing a DeviceNet system, ensure that the terminating circuit of the data lines

217DeviceNet33. START-UP DEVICENET33.1. Safety instructionsWARNING!Risk of injury from improper operation!Improper operation may result in injuries

218DeviceNet33.3. BUS.COMM – Settings on Type 8792/8793Set the following menu options in the BUS.COMM menu for start-up of the DeviceNet version:Addr

219DeviceNetKey Action DescriptionSelect baud rate / Select BAUD RATEENTERPress The input screen is opened. / Select baud rate 125 kBd / 250 kB

22Description of SystemConfigurable auxiliary functions EffectSetting displayEXTRASAdjustment of the display of the process levelSERVICEFor internal u

220DeviceNet33.4. Configuration of the process dataThe following components are required for the configuration:• Software suitable for the configura

221DeviceNetThe addresses indicated in “Table 119” can be used as a path data for the attribute Produced Connection Path of an I/O connection. The att

222DeviceNet33.4.2. Static output assembliesName Address of data attribute of the assemblies for read access. Class, Instance, AttributeFormat of the

223DeviceNet33.5. Configuration example 1The example describes the principle procedure when configuring the device using the software RSNetWorx for D

224DeviceNet33.5.3. Offline parameterization of the DeviceWhen a device has been inserted into the DeviceNet configuration of RSNetWorx, the device c

225DeviceNet33.5.4. Online parameterization of the DeviceDevices can also be parameterized online. In doing so, you can also select whether only

226DeviceNet33.6. Configuration example 2This example describes the principle procedure for setting up the process image of a DeviceNet master/scanne

227DeviceNet33.6.1. Setting up the process image (Mapping)The AUTOMAP function is used to assign the input data of the devices specified in the scan

228DeviceNetenglishType 8792, 8793

229conTenTs34. MAINTENANCE ...

23Description of System9. PROCESS CONTROLLER TYPE 8793In the case of process controller Type 8793 the position control mentioned in Chapter “8” becom

230Maintenance and Troubleshooting34. MAINTENANCEThe Type 8792/8793 is maintenance-free when operated according to the instructions in this manual.35

231Maintenance and Troubleshooting35.1.2. Error and warning messages while the X.TUNE function is runningDisplay Causes of error Remedial actionTUNE

232Maintenance and Troubleshooting35.1.3. Error messages while the P.Q’LIN function is runningDisplay Cause of fault Remedial actionQ.LIN err/breakMa

233Maintenance and Troubleshooting35.1.5. Error Messages on Field Bus DevicesDisplay Causes of error Remedial actionMFI faultField bus board defectiv

234Maintenance and Troubleshooting35.2. Other faultsProblem Possible causes Remedial actionPOS = 0 (when CMD > 0%) or POS = 100%, (when CMD < 1

235Packaging, Storage, DisposalconTenTs36. PACKAGING AND TRANSPORT ...

236Packaging, Storage, Disposal36. PACKAGING AND TRANSPORTNOTE! Transport damages!Inadequately protected equipment may be damaged during transport.•

237conTenTs39. SELECTION CRITERIA FOR CONTINUOUS VALVES ...

238Additional technical information39. SELECTION CRITERIA FOR CONTINUOUS VALVESThe following criteria are crucial for optimum control behavior and to

239Additional technical informationThe kVS value of the continuous valve should have at least the value which is calculated according to equation (1)

24Description of System9.1. Schematic representation of process control4 – 20 mA 0 – 20 mA 0 – 10 V 0 – 5 VDIR.CMD CHARACT CUTOFF X.TIMEDIR.ACT X.L

240Additional technical information40. PROPERTIES OF PID CONTROLLERSA PID controller has a proportional, an integral and a differential portion (P, I

241Additional technical information40.2. I-portionFunction:(5)t d d Xi T1Y∫=Ti is the integral action time or actuating time. It is the time which pa

242Additional technical information40.3. D-portionFunction: (6)t dd X ddK Y ⋅=Kd is the derivative action coefficient. The larger Kd is, the greater

243Additional technical information40.4. Superposition of P, I and D PortionsFunction: ∫++⋅= (7)t dd X d dK t d d Xi T1d XpK YWhere Kp · Ti = Tn and

244Additional technical information40.5. Implemented PID controller40.5.1. D Portion with delayIn the process controller Type 8793 the D portion is

245Additional technical information41. ADJUSTMENT RULES FOR PID CONTROLLERSThe control system Type 8793 features a self-optimization function for the

246Additional technical informationThe controller parameters can then be calculated from Kkrit and Tkrit according to the following table. Adjustment

247Additional technical information41.2. Adjustment rules according to Chien, Hrones and Reswick (actuating variable jump method)With this method the

248Additional technical informationAdjustment of the parameters according to Chien, Hrones and ReswickAdjustment of the parametersController type for

249Tables for customer-specific settingsconTenTs42. TABLE FOR YOUR SETTINGS ON THE POSITIONER ...

25Description of System9.2. Type 8793 remote operation with external position sensorIn the case of this model the positioner has no position sensor i

250Tables for customer-specific settings42. TABLE FOR YOUR SETTINGS ON THE POSITIONER42.1. Settings of the freely programmable characteristicNode (p

251Tables for customer-specific settings43. TABLE FOR YOUR SETTINGS ON THE PROCESS CONTROLLER TYPE 879343.1. Set parameters of the process controlle

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26Description of System9.3. The process controller softwareConfigurable auxiliary functions EffectCorrection line to adjust the operating characteris

27Description of SystemConfigurable auxiliary functions EffectSERVICEFor internal use onlySimulation softwareSIMULATIONFor simulation of the device fu

28Description of System10. INTERFACES OF THE POSITIONER / PROCESS CONTROLLERInputs for position or process set-point value 4 – 20 mA 0 – 20 mA 0 – 10

29Description of System11. TECHNICAL DATA11.1. ConformityIn accordance with the Declaration of conformity, Type 8792 / 8793 is compliant with the EC

3Table of conTenTsGENERAL INFORMATION AND SAFETY INSTRUCTIONS ...

30Description of SystemAdditional plate for Ex devices:Devices, which may be used in the explosion-protected area, are identified by the additional pl

31Description of System11.6. Electrical dataConnections 2 cable glands (M20 x 1.5) with screw-type terminals 0.14 – 1.5 mm2 or circu

32Description of System11.7. Pneumatic dataControl medium Quality classes in accordance with DIN ISO 8573-1 Dust content

33Description of System11.8. Safety end positions after failure of the electrical or pneumatic auxiliary powerThe safety end position depends on the

34Description of System11.9. Factory settingsThe factory settings can be found in Chapter “27. Operating structure and factory settings”, page 174. T

35Type 8792, 8793englishconTenTs12. ATTACHMENT AND ASSEMBLY ...

36InstallationType 8792, 8793english15. ELECTRICAL CONNECTION - TERMINAL VERSION FOR CABLE GLAND ...

37InstallationType 8792, 8793english12. ATTACHMENT AND ASSEMBLYThe dimensions of the Type 8792/8793 and the different device versions can be found on

38InstallationType 8792, 8793english12.2. Attachment to a continuous valve with linear actuators according to NAMURThe valve position is transferred

39InstallationType 8792, 8793english12.2.2. InstallationWARNING!Risk of injury from improper installation!• Installation may be carried out by autho

424. Activation of the process controller ...

40InstallationType 8792, 8793englishLegend: No. Name4 Driver pin5 Conical roller6 Lever12For a description of the numbering, refer to “Table 10: Att

41InstallationType 8792, 8793english12.2.3. Attaching mounting bracket → Attach mounting bracket ① to the back of the Type 8792/8793 with hexagon bol

42InstallationType 8792, 8793englishAttaching the Type 8792/8793 with mounting bracket for actuators with columnar yoke: → Attach mounting bracket to

43InstallationType 8792, 8793english12.3. Attachment to a continuous valve with rotary actuatorThe shaft of the position sensor integrated in the pos

44InstallationType 8792, 8793englishAnti-twist safeguard:Note the flat side of the shaft! One of the setscrews must be situated on the flat side of t

45InstallationType 8792, 8793english → Place Type 8792/8793 with assembly bridge on the rotary actuator and attach (see “Figure 21”)Figure 21: Rotary

46InstallationType 8792, 8793english12.4. Remote operation with external position sensorIn the case of this model, the positioner has no position sen

47InstallationType 8792, 8793english12.4.2. Connection and start-up of the Remote Sensor Type 8798WARNING!Risk of injury from improper start-up!• St

48InstallationType 8792, 8793english12.4.3. Connection and start-up via a 4 – 20 mA path sensor (for Type 8793 remote model only)When a 4 – 20 mA pat

49InstallationType 8792, 8793english13. FLUID CONNECTION13.1. Safety instructionsDANGER!Risk of injury from high pressure in the equipment!• Before

5conTenTs1. OPERATING INSTRUCTIONS ...

50InstallationType 8792, 8793englishProcedure: → Apply supply pressure (1.4 – 7 bar) to the supply pressure connection P.For single-acting actuators (

51InstallationType 8792, 8793english14. ELECTRICAL CONNECTION - CIRCULAR PLUG-IN CONNECTOR VERSION (MULTI-POLE VERSION)DANGER!Risk of injury due to

52InstallationType 8792, 8793english14.1. Type 8792 - designation of the circular plug-in connectorsX4 - M8, 4-pole socketX1 - M12, 8-pole circular c

53InstallationType 8792, 8793english14.2.2. X4 - M8, 4-pole socket (for binary outputs option only) Output signals to the control centre (e.g. PLC)P

54InstallationType 8792, 8793english14.3. Type 8793 - designation of the circular plug-in connectors and contactsFunctional earth FEX1 - M12, 8-pole

55InstallationType 8792, 8793english14.4. Connecting the process controller Type 8793 → First connect the process controller as described in chapter

56InstallationType 8792, 8793english15. ELECTRICAL CONNECTION - TERMINAL VERSION FOR CABLE GLANDDANGER!Risk of injury due to electrical shock!• Befo

57InstallationType 8792, 8793english15.1. Connection board of the Type 8792/8793 with screw-type terminals1 2 3 4 +24 V GND 83 + 85 + 31 + 32 – 11 +

58InstallationType 8792, 8793english15.2.2. Output signals to the control centre (e.g. PLC) (required for analogue output and/or binary output optio

59InstallationType 8792, 8793englishConnection of a potentiometric position sensor:Terminal Configuration On the device side External circuitPotentiom

6General InformationSafety Instructions1. OPERATING INSTRUCTIONSThe operating instructions describe the entire life cycle of the device. Keep these i

60InstallationType 8792, 8793englishInput type* Terminal Configuration On the device side External circuitFrequency - externally suppliedactual value1

61conTenTs16. OPERATING LEVELS ...

62Operation16. OPERATING LEVELSThere is the process level and the setting level for the operation and setting of type 8792/8793.Process level: The ru

63Operation17. OPERATING AND DISPLAY ELEMENTSThe following chapter describes the operating and display elements of Type 8792/8793.17.1. Description

64OperationOperating elements:Right selection key Arrow key , down arrowArrow key , up arrowLeft selection key SubmenuDesignation for the function of

65Operation17.2. Function of the keysThe functions of the 4 operating keys differ depending on the operating state (AUTOMATIC or MANUAL) and operatin

66Operation17.2.1. Entering and changing numerical valuesChanging numerical values with fixed decimal places:KeyKey functionDescription of the functi

67Operation17.3. Adjusting the displayThe display can be individually adjusted for the operation and monitoring of the process.• To do this, menu op

68Operation Possible displays in AUTOMATIC operating stateMENU HOLDCMD / POS (t)Graphical display of POS and CMD with time axisMENUINPUT X.TUNEINPUT12

69Operation17.4. Date and timeDate and time are set on the process level in the CLOCK menu. To ensure that the input menu for CLOCK can be selected o

7General InformationSafety Instructions2. AUTHORIZED USEIncorrect use of the Type 8792 and 8793 can be dangerous to people, nearby equipment and the

70Operation17.4.1. Setting date and time: → On the process level select the display for CLOCK using the arrow keys. → Press INPUT to open the inp

71Operation18. OPERATING STATESType 8792/8793 has 2 operating states: AUTOMATIC and MANUAL.When the operating voltage is switched on, the device is i

72Operation19. ACTIVATING AND DEACTIVATING AUXILIARY FUNCTIONSAuxiliary functions can be activated for demanding control tasks.The auxiliary function

73Operation19.1.1.1. Principle: Activating auxiliary functions with simultaneous incorporation into the main menuINPUTX.TUNEADD.FUNCTIONINPUTX.TUNEAD

74Operation20. MANUALLY OPENING AND CLOSING THE VALVEIn the MANUAL operating state, the valve can be opened and closed manually using the arrow k

75conTenTs21. START-UP SEQUENCE ...

76Start-Up21. START-UP SEQUENCEBefore start-up, carry out fluid and electrical installation of Type 8792/8793 and of the valve. For description see C

77Start-Up23. BASIC SETTING OF THE DEVICEThe following settings must be made for the basic setting of Type 8792/8793:1. INPUTSelection of the input s

78Start-Up23.1. INPUT - Setting the input signalThis setting is used to select the input signal for the set-point variable.Procedure:Key Action Desc

79Start-Up23.2. X.TUNE – Automatic adjustment of the position controllerWARNING!Danger due to the valve position changing when the X.TUNE function i

8General InformationSafety Instructions3. BASIC SAFETY INSTRUCTIONSThese safety instructions do not make allowance for any • contingencies and event

80Start-UpOperating structure:X.TUNEINPUTPress for approx. 3 sHold down as long as countdown (5 ...) is runningX.TUNE STARTEDTUNE #0 INITX.TUNE READY

81Start-UpX.TUNE ERROR 4Control system aeration side leaking Not possible, device defectiveX.TUNE ERROR 5The rotation range of the position sensor i

82Start-Up24. ACTIVATION OF THE PROCESS CONTROLLERThe process controller is activated by selecting the P.CONTROL auxiliary function in the ADD.FUNCTI

83Start-Up25. BASIC SETTING OF THE PROCESS CONTROLLER25.1. P.CONTROL – Setting up and parameterization of the process controllerTo start up the proc

84Start-UpProcedure:Key Action DescriptionMENUPress for approx. 3 sSwitching from process level setting level. / Select P.CONTROL Selection in

85Start-Up25.2. SETUP – Setting up the process controllerThese functions specify the type of control.The procedure is described in the following Chap

86Start-Up25.2.2. PV-SCALE – Scaling of the process actual valueThe following settings are specified in the submenu of PV-SCALE:PVmin1. The physical

87Start-Up25.2.2.1. Effects and dependencies of the settings of PV-INPUT on PV-SCALEThe settings in the PV-SCALE menu have different effects, dependi

88Start-UpFor internal set-point value default (SP-INPUT → internal), the process set-point value is input directly on the process level.Example of a

89Start-UpKey Action Description3. Setting K-factor (only available for frequency signal type) / Select K-factor ENTERPress The submenu for the se

9General InformationSafety InstructionsThe Type 8792/8793 were developed with due consideration given to the accepted safety rules and are state-of-th

90Start-Up25.2.3. SP-INPUT – Type of the set-point value default (internal or external)The SP-INPUT menu specifies how the default of the process se

91Start-UpOperating structure:*ENTERINPUTINPUTOKOKEXITSP-SCALESPminSPmaxInput upper process set-point valueInput lower process set-point value*Figure

92Start-Up25.2.5. P.CO-INIT – Smooth switchover MANUAL-AUTOMATICThe smooth switchover between the MANUAL and AUTOMATIC states can be activated or de

93Start-Up25.3. PID.PARAMETER – Parameterizing the process controllerThe following control parameters of the process controller are manually set in

94Start-Up25.3.2. DBND – Insensitivity range (dead band)This function causes the process controller to respond from a specific control difference on

95Start-Up25.3.4. TN – Reset time of the process controllerThe reset time specifies the I-contribution of the PID controller (can be set with the a

96Start-Up25.3.7. FILTER – Filtering of the process actual value inputThe filter is valid for all process actual value types and has a low pass beha

97Start-Up25.4. P.Q‘LIN – Linearization of the process characteristicThis function automatically linearizes the process characteristic. In doing so,

98Start-Up25.5. P.TUNE – Self-optimization of the process controllerThis function can be used to automatically parameterize the PID controller integr

99Start-Up25.5.2.1. Preparatory measures for execution of P.TUNE in the MANUAL operating stateMoving process actual value PV to the operating point:K