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Siemens SITRANS P320 Operating Instructions Manual Download Page 123

9.2.13

SV selection [15]

Sets a measured value as a secondary variable (SV).

Setting range:

TEMP

Sensor temperature

ETEMP

Electronics temperature

LEVEL

Level

VOL

Volume

VFLOW

Volume flow

USER

Custom

MFLOW

Mass flow

Factory setting:

As specified in order

9.2.14

Units [16]

Introduction

Depending on the application of the device that you have selected using the "Application" 

parameter, you have the option of selecting a unit:
● Level
● Volume
● Volume flow
● Mass flow
The selected unit is displayed in the measurement view.
Use the remote operation to set the associated unit for the "Customized characteristic curve" 

application.

See also

Application [05] (Page 106)

9.2.14.1

Level units [16]

Selects the unit for the "Level" measurement.

Parameter assignment

9.2 Parameter assignment over device with display

SITRANS P320/P420 (mA/HART)

Operating Instructions, 06/2018, A5E44852162-AA

123

Summary of Contents for SITRANS P320

Page 1: ... AA Getting Started 1 Introduction 2 Safety information 3 Description 4 Installing mounting 5 Connecting 6 Operating 7 Commissioning 8 Parameter assignment 9 Functional Safety 10 Service and maintenance 11 Diagnostics and troubleshooting 12 Technical data 13 Dimension drawings 14 Appendix A List of abbreviations B ...

Page 2: ...se who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation If products and components from other manufacturers are used these ...

Page 3: ...dous areas 21 4 Description 23 4 1 Area of application 23 4 2 Structure 25 4 3 Nameplate layout 26 4 4 Functional principle 28 4 4 1 Overview of mode of operation 28 4 4 2 How the electronics work 29 4 4 3 Measuring cell operation 30 4 4 3 1 Measuring cell for gauge pressure 31 4 4 3 2 Measuring cell for gauge pressure front flush membrane 32 4 4 3 3 Measuring cell for absolute pressure from the g...

Page 4: ...9 6 2 Connecting the device 62 6 2 1 Opening the device 62 6 2 2 Connecting the device 63 6 2 3 Closing the device 64 6 3 Connect the Han cable socket to the cable 65 6 4 Connect M12 cable socket to the cable 66 7 Operating 69 7 1 Introduction 69 7 2 Operating the device with display 70 7 2 1 Display 70 7 2 2 Navigating in the views 71 7 2 3 Measurement view 72 7 2 3 1 Display of measured values 7...

Page 5: ... 2 1 Set lower range value parameter 02 104 9 2 2 2 Set upper range value parameter 03 104 9 2 2 3 Set lower range value upper range value without pressure available 104 9 2 3 Damping value 04 105 9 2 3 1 Set damping value 106 9 2 4 Application 05 106 9 2 4 1 Pressure measurement 108 9 2 4 2 Level measurement 109 9 2 4 3 Volume and mass flow measurements 111 9 2 4 4 Volume measurement 114 9 2 4 5 ...

Page 6: ... 2 27 Functional Safety 29 136 9 2 28 Display test 30 136 9 2 29 Loop test 31 137 9 2 29 1 Loop test with preset loop current value 137 9 2 29 2 Loop test with user defined loop current value 138 9 2 30 Start view 32 138 9 2 31 Pressure reference 33 139 9 2 32 Identify the device 34 139 9 2 33 Reset 35 140 9 2 33 1 Reset to sensor calibration 140 9 2 33 2 Reset DAC trim to the factory setting 140 ...

Page 7: ...68 10 3 2 Acknowledging safety related errors via remote operation 169 10 4 Disabling Functional Safety over device with display 170 10 5 Disabling Functional Safety over remote operation 171 10 6 Proof test 172 10 6 1 Intervals and rules for proof test 172 10 6 2 Documenting a proof test 173 10 7 Repair and service 173 11 Service and maintenance 175 11 1 Basic safety instructions 175 11 2 Cleanin...

Page 8: ...13 3 Measuring accuracy of SITRANS P420 209 13 3 1 Reference conditions 209 13 3 2 Effect of auxiliary power supply 209 13 3 3 Gauge pressure 209 13 3 4 Gauge pressure from the differential pressure series 210 13 3 5 Absolute pressure from gauge and differential pressure series 212 13 3 6 Absolute pressure with front flush diaphragm 213 13 3 7 Gauge pressure with front flush diaphragm 214 13 3 8 D...

Page 9: ...Special connections 245 A Appendix 247 A 1 Technical support 247 A 2 Certificates 248 A 3 QR code label 248 A 4 Checklist for Functional Safety 248 B List of abbreviations 251 B 1 Pressure transmitter abbreviations 251 Glossary 253 Index 257 Table of contents SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 9 ...

Page 10: ...Table of contents SITRANS P320 P420 mA HART 10 Operating Instructions 06 2018 A5E44852162 AA ...

Page 11: ... Installing mounting Basic safety information Connecting Basic safety information Commissioning Read the entire device manual in order to achieve the optimum performance of the device Procedure 1 Mount the device Installation except level Page 43 Installation level Page 46 2 Connect the device Connecting the device Page 62 3 Switch on the power supply Switching on the supply voltage Page 84 SITRAN...

Page 12: ...int Page 127 Set upper scaling point Page 128 9 Set the zero point Adjusting zero point gauge pressure Page 116 Adjusting the zero point differential pressure Page 117 Adjusting zero point absolute pressure Page 117 10 Lock the device Locking the device Page 78 11 Enable Functional Safety for devices with Functional Safety Enabling Functional Safety over device with display Page 160 You can find a...

Page 13: ...rmation Connecting Basic safety information Commissioning Read the entire device manual in order to achieve the optimum performance of the device Procedure 1 Mount the device Installation except level Page 43 Installation level Page 46 2 Connect the device Connecting the device Page 62 3 Switch on the power supply Switching on the supply voltage Page 84 Getting Started 1 2 Commissioning the device...

Page 14: ...nt Hold down the buttons and for 3 seconds Set Upper fault current Hold down the button for 3 seconds Set Lower fault current Hold down the button for 3 seconds Additional functions are available with remote operation Parameter assignment Page 97 See also Set lower range value upper range value without pressure available Page 104 Getting Started 1 2 Commissioning the device without display SITRANS...

Page 15: ...Edition Note 06 2018 First edition 2 3 Product compatibility The following table describes the compatibility between the edition of this manual the device revision the engineering system and the associated EDD Edition Comments Product compatibility Compatibility with device integra tion package 06 2018 First edition HART 7 FW 1 00 08 or higher HW 1 00 00 or higher Device version 1 SIMATIC PDM V9 0...

Page 16: ...rdous areas Do not use damaged or incomplete devices See also Return procedure Page 180 Technical data Page 191 2 6 Transportation and storage To guarantee sufficient protection during transport and storage observe the following Keep the original packaging for subsequent transportation Devices replacement parts should be returned in their original packaging If the original packaging is no longer a...

Page 17: ...gations on the part of Siemens as well as the complete and solely applicable warranty conditions Any statements regarding device versions described in the manual do not create new warranties or modify the existing warranty The content reflects the technical status at the time of publishing Siemens reserves the right to make technical changes in the course of further development Introduction 2 7 No...

Page 18: ...Introduction 2 7 Notes on warranty SITRANS P320 P420 mA HART 18 Operating Instructions 06 2018 A5E44852162 AA ...

Page 19: ... the information and symbols in a completely legible state 3 1 1 Warning symbols on the device Symbol Explanation Consult operating instructions 3 1 2 Laws and directives Observe the safety rules provisions and laws applicable in your country during connection assembly and operation These include for example National Electrical Code NEC NFPA 70 USA Canadian Electrical Code CEC Canada Further provi...

Page 20: ...ersonnel system and environment can result from modifications to the device particularly in hazardous areas Only carry out modifications that are described in the instructions for the device Failure to observe this requirement cancels the manufacturer s warranty and the product approvals 3 2 Requirements for special applications Due to the large number of possible applications each detail of the d...

Page 21: ...s and systems according to the safety regulations for electrical circuits high pressures aggressive and hazardous media They are authorized trained or instructed in carrying out work on electrical circuits for hazardous systems They are trained or instructed in maintenance and use of appropriate safety equipment according to the pertinent safety regulations WARNING Use in hazardous area Risk of ex...

Page 22: ... do not adhere to these guidelines the test certificates and the manufacturer warranty will become null and void Use only device parts that have been approved for the respective type of protection in the potentially explosive environment Covers that are not suited for the explosion proof type of protection are identified as such by a notice label attached to the inside of the cover with Not Ex d N...

Page 23: ...0 mA You can install the intrinsically safe or flameproof enclosure version of the pressure transmitter in hazardous areas The devices have a test certification and comply with the corresponding directives Pressure transmitters with remote seals of various shapes can be provided for special applications For example measuring high viscosity substances is a special application Operate the device in ...

Page 24: ...of the measuring cell is kept open when measuring the level of open containers This measurement is referred to as measurement against atmosphere The negative connection is normally connected with the container when measuring the level of closed containers This means the static pressure is present at both ends Wetted parts are made of various materials depending on corrosion resistance requirements...

Page 25: ...sting The housing has a removable cover at the front and the back Depending on the device version the front cover may be designed as an inspection window The cable gland to the electrical terminal compartment is at the side either the left or right hand one can be used The unused opening is closed with a blanking plug The ground terminal is located on the side The electrical terminal compartment f...

Page 26: ... on the cover over the buttons Article number MLFB number Conformity with country specific directives Serial number QR code to the mobile website with device specific information Materials connection diaphragm O ring oil Note operating instructions certificates and approvals Minimum maximum measuring span Internal code with information for manufac turer Nominal pressure Firmware and hardware ident...

Page 27: ...rface temperature temperature class 1e Device protection level Figure 4 3 Example Measuring point label The measuring point label is fastened with a wire under the front cover to mbar Long tag TAG Measuring point description Y01 max 5 characters Y16 max 32 characters max 10 characters Y99 1234 PD FKDUDFWHUV Figure 4 4 Example Description 4 3 Nameplate layout SITRANS P320 P420 mA HART Operating Ins...

Page 28: ...oil FDA compliant Order options Wetted materials Diaphragm duplex 1 4462 Serial number QR code for mobile website with device specific information Operating temperature Assembly and manufacturing location Vacuum service No oxygen 60 C 50 bar Figure 4 5 Example 4 4 Functional principle 4 4 1 Overview of mode of operation This chapter describes how the pressure transmitter works First the electronic...

Page 29: ... work Function The input pressure is converted into an electrical signal by the sensor This signal is amplified by the measuring amplifier and digitized in an analog to digital converter The digital signal is analyzed in a microcontroller and corrected with regard to linearity and thermal characteristics The digital signal is then converted in a digital to analog converter into the output current ...

Page 30: ...leased Ensure that the material of the device parts wetted by the process medium is suitable for the medium Refer to the information in section Technical data Page 191 Make sure that the device is suitable for the maximum operating pressure of your system Refer to the information on the nameplate and or in Technical data Page 191 Define maintenance intervals for regular inspections in line with de...

Page 31: ...gure 4 7 Function chart of measuring cell for gauge pressure The inlet pressure pe is transferred to the gauge pressure sensor via the seal diaphragm and the fill fluid displacing its measuring diaphragm The displacement changes the resistance of the four piezoresistors bridge circuit of the gauge pressure sensor The change in the resistance causes a bridge output voltage proportional to the inlet...

Page 32: ...our piezoresistors bridge circuit of the gauge pressure sensor The change in the resistance causes a bridge output voltage proportional to the inlet pressure Pressure transmitters with measuring span 63 bar measure the inlet pressure against atmosphere those with measuring spans 160 bar the inlet pressure against vacuum 4 4 3 3 Measuring cell for absolute pressure from the gauge pressure series SH...

Page 33: ...iquid Process connection Absolute pressure sensor Seal diaphragm pe Inlet pressure Figure 4 10 Function chart of the measuring cell for absolute pressure flush mounted diaphragm The inlet pressure pe is transferred to the absolute pressure sensor via the seal diaphragm and the filling liquid and displaces its measuring diaphragm The displacement changes the resistance of the four piezoresistors br...

Page 34: ...n measuring limits are exceeded the overload diaphragm is displaced until the seal diaphragm rests on the measuring cell body The seal diaphragm thus protects the absolute pressure sensor from overload The difference between the inlet pressure pe and the reference pressure on the negative side of the measuring cell displaces the seal diaphragm The displacement changes the resistance of the four pi...

Page 35: ...ng limits are exceeded the seal diaphragm is displaced until the seal diaphragm rests on the measuring cell body The differential pressure sensor is thus protected against overloading since no further deflection of the overload diaphragm is possible The seal diaphragm is displaced by the differential pressure The displacement changes the resistance of the four piezoresistors bridge circuit of the ...

Page 36: ...he differential pressure at the measuring cell is transmitted to the differential pressure sensor through the seal diaphragms and the filling liquid When measuring limits are exceeded the overload diaphragm is displaced until one of the seal diaphragms or rests on the measuring cell body The seal diaphragms thus protect the differential pressure sensor from overload The seal diaphragm is displaced...

Page 37: ...system leads to the loss of transmission fluid The loss of transmission fluid results in inaccuracies in the measurement and failure of the measuring system In order to avoid leaks and measuring errors please observe the installation and maintenance instructions in addition to the safety notes WARNING Use of a remote seal in devices with functional safety Remote seals were not considered in the ev...

Page 38: ...IMATIC PDM load 230 600 Ω Control system which can communicate via the HART protocol e g SIMATIC PCS7 6 0 7 3 0 RQWURO V VWHP RU 7UDQVPLWWHU RDG X LOLDU SRZHU 57 RPPXQLFDWRU RU 57 0RGHP 3 ODSWRS ZLWK 6 0 7 3 0 6 7 0 Figure 4 14 Possible system configuration Description 4 6 System configuration SITRANS P320 P420 mA HART 38 Operating Instructions 06 2018 A5E44852162 AA ...

Page 39: ...NING Unsuitable connecting parts Risk of injury or poisoning In case of improper mounting hot toxic and corrosive process media could be released at the connections Ensure that connecting parts such as flange gaskets and bolts are suitable for connection and process media WARNING Exceeded maximum permissible operating pressure Risk of injury or poisoning The maximum permissible operating pressure ...

Page 40: ...as An explosion may be caused by hot gas escaping from the flameproof enclosure if there is too little space between it and fixed parts e g walls pipes Ensure that there is a minimum clearance of at least 40 mm between the flameproof joints and the fixed parts Flameproof joint WARNING Vibrations in the plant Risk of injury or damage to device Vibration leads to material fatigue for example cracks ...

Page 41: ...you with support concerning selection of sensor components wetted by process media However you are responsible for the selection of components Siemens accepts no liability for faults or failures resulting from incompatible materials 5 1 1 Installation location requirements WARNING Insufficient air supply The device may overheat if there is an insufficient supply of air Install the device so that t...

Page 42: ...tion of the diaphragms To avoid measuring values that fluctuate strongly use the damping function For information on vibration resistance refer to the marine approval certificate 5 1 2 Proper mounting WARNING Incorrect mounting at Zone 0 Risk of explosion in hazardous areas Ensure sufficient tightness at the process connection Observe the standard IEC EN 60079 14 CAUTION Loss of type of protection...

Page 43: ...ssure transmitter can be configured above or below the pressure sampling point The recommended configuration depends on the aggregate state of the process medium Installation configuration for gases Install the pressure transmitter above the pressure sampling point Lay the pressure tubing with a constant gradient to the pressure sampling point so that any condensation produced can drain in the mai...

Page 44: ...on on the remote seal during its installation Procedure 1 Attach the pressure transmitter to the process connection Use an appropriate tool e g open ended wrench with width across flats 36 Otherwise the measuring cell may be damaged 2 Turn only on the key area above the process connection Caution If you turn the pressure transmitter on the housing the measuring cell may be damaged 3 To guarantee s...

Page 45: ...a danger that the differential pressure lines will rupture Example 1 Pipe mounting of pressure transmitter gauge pressure series The mounting bracket for the gauge pressure series includes among other things 2 screws One pipe clamp with nuts Washers Mount the pressure transmitter as follows Example 2 Pipe mounting of pressure transmitter differential pressure series The mounting bracket for the di...

Page 46: ...at radiation Rapid temperature fluctuations Heavy contamination Mechanical damage Direct sunlight Note Select the height of the mounting flange such that the pressure transmitter is always mounted below the lowest fill height to be measured Requirement You have compared the desired operating data with the data on the nameplate You have adhered to the information on the remote seal during its insta...

Page 47: ...pen container A line is not required when taking measurements in an open container since the negative side is connected with the atmosphere Ensure that no dirt enters the open connection ports For example by using connection screws with a 7MF4997 1CP vent valve XOO VFDOH YDOXH 6WDUW RI VFDOH YDOXH K2 K8 Measurement assembly on an open container Formula Start of scale value pMA ρ g hU Full scale va...

Page 48: ...WDWLF SUHVVXUH K2 K8 DV ILOOHG ORZ SUHVVXUH OLQH 7UDQVPLWWHU UHIHUHQFH OLQH Measurement assembly on a closed container no or little condensate separation Formula Start of scale value ΔpMA ρ g hU Full scale value ΔpME ρ g hO hU Lower filling level ΔpMA Start of scale value hO Upper filling level ΔpME Full scale value p Pressure ρ Density of the measured medium in the container g Acceleration due to...

Page 49: ...rmation Formula Start of scale value ΔpMA g hU ρ hV ρ Full scale value ΔpMA g hO ρ hV ρ hU Lower filling level ΔpMA Start of scale value hO Upper filling level ΔpME Full scale value hV Gland distance ρ Density of the measured medium in the container p Pressure ρ Density of fluid in the negative pressure line corresponds to the prevailing tem perature there g Acceleration due to gravity The process...

Page 50: ...able fastening components such as screws and nuts that are compliant with fitting and flange standards Excessive tightening of screwed joints on the process connection may displace the zero point on the pressure transmitter Note Commissioning If a shut off valve exists open the shut off valve slowly when commissioning in order to avoid pressure surges Note Permissible ambient and operating tempera...

Page 51: ... considerable increase in the response time of the measuring system Owing to the risk of bending and breakages pay attention to mechanical overloads at the joints such as capillary line remote seal and capillary line measuring instrument Unwinding the excess capillary lines with a radius of at least 150 mm Fasten the capillary line such that there are no vibrations Permissible height differences W...

Page 52: ...end Full scale value ρoil Density of the filling oil in the capillary line of the remote seal g Local gravitational acceleration HV Gland distance Installation types for level measurements closed containers Installation type E 2 9 8 Start of scale value pMA ρFL g HU ρoil g HV Full scale value pME ρFL g HU ρoil g HV Legend pMA Start of scale value to be adjusted Installing mounting 5 4 Installing R...

Page 53: ...nsmitter for differential pressure above the upper measuring point no vacuum H1 7 m 23 ft for halocarbon oil however only H1 4 m 13 1 ft Start of scale value pMA ρFL g HU ρoil g HV Full scale value pME ρFL g HO ρoil g HV Installation type H Below the lower measuring point Start of scale value pMA ρFL g HU ρoil g HV Full scale value pME ρFL g HO ρoil g HV Installation type J Installing mounting 5 4...

Page 54: ...wing risks may result from incorrect disassembly Injury through electric shock Risk through emerging media when connected to the process Risk of explosion in hazardous area In order to disassemble correctly observe the following Before starting work make sure that you have switched off all physical variables such as pressure temperature electricity etc or that they have a harmless value If the dev...

Page 55: ... rotating the display 360 Procedure 1 Switch off the power supply 2 Use a 3 mm Allen key to loosen the front safety catch 3 Unscrew the front cover 4 Remove the display from the holder Installing mounting 5 6 Rotating the display SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 55 ...

Page 56: ...he flat ribbon cable of the display remains behind the holder when rotating the display 6 Press the display into the holder until it engages Installing mounting 5 6 Rotating the display SITRANS P320 P420 mA HART 56 Operating Instructions 06 2018 A5E44852162 AA ...

Page 57: ... enclosure prevent that the flat ribbon cable is damaged while rotating the enclosure The flat ribbon cable connects the sensor to the electronics The tightening torques of the retaining screws are different for the aluminum enclosure and the stainless steel enclosure For the tightening torques of the retaining screws refer to section Torques Page 229 Requirement You have a 2 5 mm Allen key Instal...

Page 58: ...ining screw by half a rotation 2 Loosen the back retaining screw by half a rotation 3 Rotate the enclosure to the desired position but no further than the end stop 4 Tighten the front and back retaining screw To prevent the enclosure from turning in case of vibration make sure that the front and back retaining screw are tightened Installing mounting 5 7 Rotating the enclosure SITRANS P320 P420 mA ...

Page 59: ...open cable inlet or incorrect conduit system In the case of a conduit system mount a spark barrier at a defined distance from the device input Observe national regulations and the requirements stated in the relevant approvals WARNING Lack of equipotential bonding Risk of explosion through compensating currents or ignition currents through lack of equipotential bonding Ensure that the device is pot...

Page 60: ...f protection Increased safety ec Zone 2 are regulated in the relevant certificate WARNING Incorrect selection of type of protection Risk of explosion in areas subject to explosion hazard This device is approved for several types of protection 1 Decide in favor of one type of protection 2 Connect the device in accordance with the selected type of protection 3 In order to avoid incorrect use at a la...

Page 61: ...an use this device in industrial environments households and small businesses For metal housings there is an increased electromagnetic compatibility compared to high frequency radiation This protection can be increased by grounding the housing see Technical data Page 191 Note Improvement of interference immunity Lay signal cables separate from cables with voltages 60 V Use cables with twisted wire...

Page 62: ...he electrical cable compartment Figure 6 1 Rear view of pressure transmitter 1 Use a 3 mm Allen key to loosen the safety catch 2 Unscrew the cover of the electrical cable compartment Connecting 6 2 Connecting the device SITRANS P320 P420 mA HART 62 Operating Instructions 06 2018 A5E44852162 AA ...

Page 63: ...potential bonding terminal Connecting terminals Ground terminal Test connector for DC measuring device Figure 6 2 Example Electrical connection with feed separator 1 Lead the connecting cable through the cable gland 2 Connect the device to the plant using the existing protective conductor connection Connecting 6 2 Connecting the device SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44...

Page 64: ...the device using the connection 6 2 3 Closing the device Procedure Cover over buttons Blanking plug Cable gland Safety catch front Safety catch back Cover front optionally with inspection window Cover rear for electrical terminal compartment Figure 6 3 View of the pressure transmitter Left Back right Front view 1 Screw on the cover and as far as it will go Make sure that there is no gap between en...

Page 65: ...es with a Han plug mounted on the enclosure make the connection via the cable socket Requirement The terminal area of the cable socket is suitable for cables with diameters ranging from 6 to 12 mm These cables use stranded wires with 1 mm2 as single conductors and ground You are using a crimping tool from HARTING article number 09 99 000 0110 Procedure 1 Slide the sleeve and the screwed joint on t...

Page 66: ... cable socket 1 Thread the parts of the cable socket as described by the manufacturer 2 Strip approximately 18 mm of the bus cable 3 Twist the shield 4 Thread the shield in the insulating sleeve 5 Draw 8 mm of shrink sleeve over the cable wires and shield up to the reference edge 6 Screw the cable ends and the shield in the pin insert 7 Fasten the parts of the cable socket as described by the manu...

Page 67: ...M12 x 1 thread Positioning slot Positioning catch 1 1 2 Not connected 2 Not connected 3 3 4 Shield 4 Shield Middle contact of the cable socket not connected Connecting 6 4 Connect M12 cable socket to the cable SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 67 ...

Page 68: ...Connecting 6 4 Connect M12 cable socket to the cable SITRANS P320 P420 mA HART 68 Operating Instructions 06 2018 A5E44852162 AA ...

Page 69: ...w the measured values parameter values and messages If you have a device without a display you also have several functions available Commissioning the device without display Page 87 Buttons The four buttons are located below the cover Figure 7 1 Top view SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 69 ...

Page 70: ...rameter view the parameter can be edited and the EDIT symbol flashes Functional Safety is enabled The ID and the displayed INFO symbol serve to identify the diagnostic message For the IDs of the messages and their meaning refer to the section Diagnostics and troubleshoot ing Page 181 NE 107 symbols For a description and priority refer to the section Diagnostics and troubleshoot ing Page 181 Bar gr...

Page 71: ...ting in the views Requirement You have opened the cover of the buttons Figure 7 2 Top view Operating 7 2 Operating the device with display SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 71 ...

Page 72: ...nge the parameter value with the or button 2 Apply the change with the button You are in the parameter view 3 Return to the measurement view with the button If you do not change any parameters you return from the edit view to the param eter view with the button 7 2 3 Measurement view The measurement view shows the current measured values as well as status and diagnostic messages Name and unit of t...

Page 73: ...ation Level P4 Volume P5 Volume flow P6 Mass flow P7 Customized characteristic curve P8 Measured val ue ID Name of measured value Meaning P1 PRESSURE Pressure PRESS GAUGE Gauge pressure PRESS ABS Absolute pressure P2 SENSOR TEMP Sensor temperature P3 ELECTR TEMP Electronics temperature P4 LEVEL Level P5 VOLUME Volume P6 VOLUME FLOW Volume flow P7 MASS FLOW Mass flow P8 USER DEFINED Customized char...

Page 74: ... unit the parameter name and unit are displayed as alternating values in Example Lower range value in mA 7 2 4 1 List of parameters on the display The parameters are displayed with parameter ID and parameter name Depending on the parameter settings of your device some parameters are not visible Parame ter ID Parameter name on the display Meaning 01 PRESS UNITS Pressure units Page 101 02 LOWER RANG...

Page 75: ...20 LOW FLOW CUT Low flow cut off for volume flow and mass flow VSOFF and MSOFF Page 128 21 VESSEL DIM A Vessel dimension A Page 129 22 VESSEL DIM L Vessel dimension L Page 129 23 BUTTON LOCK Enable and disable button lock Page 130 24 CHANGE PIN Change user PIN Page 131 25 RECOVERY ID Display Recovery ID Page 132 26 PIN RECOVERY PIN recovery Page 133 27 USER PIN Enable and disable user PIN Page 134...

Page 76: ... parameter values in the edit view Wizards are available for specific parameters Parameter values There are various parameter values Enumerations e g unit Numerical values e g damping Name of parameter and if availa ble unit alternating EDIT symbol flashing Enumeration arrows for enumera tions only Parameter value Parameter ID Figure 7 5 Example of edit view For parameters with an associated unit ...

Page 77: ...C PDM A HART modem to connect a PC with the device or a lead to connect the handheld with the device 7 3 2 SIMATIC PDM Overview SIMATIC PDM Process Device Manager is a universal multi vendor tool for configuration parameter assignment commissioning diagnostics and maintenance of intelligent field devices and field components You can learn about retro installations and obtain additional information...

Page 78: ... package SP and the latest hotfix HF Update of the Electronic Device Description EDD The revision number of the EDD must match the firmware version of the device according to the table in section Product compatibility Page 15 To install a new EDD 1 Go to the support page on the Internet in one of the following ways Via Mobile app Industry Online Support https support industry siemens com cs ww de ...

Page 79: ...en delivered write protection is disabled using the user PIN Devices with functional safety To enable functional safety you first enable the user PIN See also Setting the jumper Page 79 User PIN 27 Page 134 Button lock 23 Page 130 7 4 1 Setting the jumper Introduction The jumper is used for enabling write protection Procedure 1 Switch off the power supply 2 Remove the front cover connector of the ...

Page 80: ...ered 4 Set the jumper as follows Result When the jumper is set only the measured values can be read The display changes automatically between the measured values Operation via the buttons is disabled Operating 7 4 Locking the device SITRANS P320 P420 mA HART 80 Operating Instructions 06 2018 A5E44852162 AA ...

Page 81: ...pears for 2 seconds Result The user PIN is enabled 7 4 3 Enabling button lock Procedure 1 Navigate into the parameter view Navigating in the views Page 71 2 In the parameter view select the Button lock 23 parameter 3 Press the button The EDIT symbol flashes 4 Select ON with the or button 5 Use the button to confirm Operating 7 4 Locking the device SITRANS P320 P420 mA HART Operating Instructions 0...

Page 82: ...e measured values every 12 seconds The symbol for button lock LL and the measured value ID are displayed alternately Note For a device without display you activate the button lock using remote operation Operating 7 4 Locking the device SITRANS P320 P420 mA HART 82 Operating Instructions 06 2018 A5E44852162 AA ...

Page 83: ...ly and connected in accordance with the information in Technical data Page 191 Before commissioning take the effect on other devices in the system into account WARNING Commissioning and operation with pending error If an error message appears correct operation in the process is no longer guaranteed Check the gravity of the error Correct the error If the error still exists Take the device out of op...

Page 84: ...pen or not completely closed The degree of protection specified on the nameplate or in Technical data Page 191 is no longer guaranteed if the device is open or not properly closed Make sure that the device is securely closed Note Hot surfaces Hot process medium and high ambient temperatures lead to hot surfaces which can cause burns Take corresponding protective measures for example wear protectiv...

Page 85: ...on the device step by step Before you start please read the following safety information General safety information Page 19 Basic safety information Installing mounting Basic safety information Connecting Basic safety information Commissioning Read the entire device manual in order to achieve the optimum performance of the device Procedure 1 Mount the device Installation except level Page 43 Insta...

Page 86: ...Page 126 Upper scaling point 19 Page 128 9 Set the zero point Adjusting zero point gauge pressure Page 116 Adjusting the zero point differential pressure Page 117 Adjusting zero point absolute pressure Page 117 10 Lock the device Locking the device Page 78 11 Enable Functional Safety for devices with Functional Safety Enabling Functional Safety over device with display Page 160 You can find additi...

Page 87: ...ormation Connecting Basic safety information Commissioning Read the entire device manual in order to achieve the optimum performance of the device Procedure 1 Mount the device Installation except level Page 43 Installation level Page 46 2 Connect the device Connecting the device Page 62 3 Switch on the power supply Switching on the supply voltage Page 84 Commissioning 8 4 Commissioning the device ...

Page 88: ...t current Hold down the button for 3 seconds Set Lower fault current Hold down the button for 3 seconds Additional functions are available with remote operation Parameter assignment Page 97 8 5 Application examples 8 5 1 gauge pressure absolute pressure from the differential pressure series and absolute pressure from the gauge pressure series 8 5 1 1 Commissioning for gases Requirement All valves ...

Page 89: ...out valve To commission the pressure transmitter for gases proceed as follows 1 Open the shut off valve for the test connection 2 Via the test connection of the shut off valve apply the pressure corresponding to the start of scale value to the pressure transmitter 3 Ensure that the lower range value corresponds to the desired value Otherwise correct the value 4 Close the shut off valve for the tes...

Page 90: ...ation vessel steam only To commission the pressure transmitter for steam or liquid proceed as follows 1 Open the shut off valve for the test connection 2 Via the test connection of the shut off valve apply the pressure corresponding to the start of scale value to the pressure transmitter 3 Ensure that the lower range value corresponds to the desired value Otherwise correct the value 4 Close the sh...

Page 91: ...r below the differential pressure transducer Pressure transmitter Blowout valves Stabilizing valve Condensate vessels optional Differential pressure valves Differential pressure transducer Differential pressure lines 3 way valve manifold Shut off valves To commission the pressure transmitter for gases proceed as follows 1 Open both the shut off valves at the pressure tapping point 2 Open the stabi...

Page 92: ...ning when the device is vented If toxic process media are measured with this device toxic liquids can escape when the device is vented Before venting make sure there is no liquid in the device or take the necessary safety precautions Procedure Pressure transmitter below thedifferential pressure transducer Pressure transmitter above the differential pressure transducer Pressure transmitter Drain va...

Page 93: ... the vent valve sealing plug with vent valve on the positive side of the pressure transmitter until liquid escapes without bubbles 6 Close the vent valve sealing plug with vent valve 7 Partially open the vent valve sealing plug with vent valve on the negative side of the pressure transmitter until liquid escapes without bubbles 8 Close the differential pressure valve 9 Partially open the different...

Page 94: ...ened the pressure transmitter can be damaged by the flow of vapor Follow the specified procedure for commissioning WARNING Hot vapor Danger of injury You can briefly open the drain valves to clean the line Hot vapor can escape in the process Only open the drain valves briefly and close them again before vapor escapes Commissioning 8 5 Application examples SITRANS P320 P420 mA HART 94 Operating Ins...

Page 95: ...the vent valve sealing plug with vent valve on the positive side of the pressure transmitter until condensate escapes without bubbles 5 Close the vent valve sealing plug with vent valve 6 Partially open the vent valve sealing plug with vent valve on the negative side of the pressure transmitter until condensate escapes without bubbles 7 Close the differential pressure valve 8 Partially open the di...

Page 96: ... result is error free Otherwise repeat the zero point adjustment 13 Close the stabilizing valve 14 Fully open the differential pressure valves and Cleaning process cable 1 To clean the line briefly open the drain valves 2 Close the drain valve before vapor escapes Commissioning 8 5 Application examples SITRANS P320 P420 mA HART 96 Operating Instructions 06 2018 A5E44852162 AA ...

Page 97: ...emote operation e g SIMATIC PDM The parameters are grouped according to their function in the following overview Quick start SIMATIC PDM Device with display Device without display Quick start wizard Menu command De vice Wizard Quick start Current output SIMATIC PDM Device with display lo cal operation Device without display local operation Apply lower range value with pressure applied Apply upper ...

Page 98: ... 17 Page 126 Set additional measuring task e g level volume flow mass flow volume set customized charac teristic curve Settings Select out put Application pa rameter group Application 05 Page 106 Set customized characteristic curve Menu command De vice Customized characteristic curve Set scaling points Settings Current out put Scaling Lower scaling point 18 Page 126 Upper scaling point 19 Page 128...

Page 99: ...and event counter Menu command De vice Limit monitoring and event counter Device maintenance sensor maintenance serv ice calibration Menu command Main tenance Display operating time Menu command Diag nostics Device status HART status Set peak values Reset peak values Maintenance and di agnostics Peak val ues parameter group Menu command De vice Reset peak val ues Configure trend log Show trend log...

Page 100: ...ommand De vice Security PIN recovery Recovery ID 25 Page 132 Restore user PIN Menu command De vice Security PIN recovery PIN recovery 26 Page 133 Enable and disable button lock Security Button lock parameter group Button lock 23 Page 130 Display SIMATIC PDM Device with display lo cal operation Device without display local operation Set pressure reference absolute gauge Display Pressure reference p...

Page 101: ...ment over device with display Introduction This section describes all parameters that you can reach over the device with a display You will find information on operating the device with display in the section Operating the device with display Page 70 You can find the list of available parameters with ID and parameter name in the section List of parameters on the display Page 74 9 2 1 Pressure unit...

Page 102: ...ce 33 Page 139 9 2 1 1 Display of the pressure units Certain units are displayed differently on the display and over remote operation Example Display of unit mmH2O on the dis play Unit in the title bar Unit as enumeration Parameter assignment 9 2 Parameter assignment over device with display SITRANS P320 P420 mA HART 102 Operating Instructions 06 2018 A5E44852162 AA ...

Page 103: ...the parameter values for the Pressure units parameter Page 102 Procedure 1 Navigate to the parameter view Navigating in the views Page 71 2 Select the Pressure units parameter 01 3 Press the button 4 Select the desired unit with the or button The pressure measurement is converted to the new pressure unit 5 Use the button to confirm 6 Navigate to the Pressure reference parameter 33 7 Press the butt...

Page 104: ...re available Introduction The lower range value 4 mA corresponds to 0 of the measuring range The upper range value 20 mA corresponds to 100 of the measuring range Without pressure available you have the following options for assigning the desired pressure measurements to the lower range value and the upper range value Device without display Device with display Remote operation Set lower range valu...

Page 105: ...irm The upper range value is set Result You have set your measuring range If the minimum permissible measuring span is fallen below the message FAILD appears 9 2 3 Damping value 04 Sets the damping filtering for smoothing of sudden process value variations Setting range 0 01 s 100 s in steps of 0 01 s Factory setting 2 s or as specified in order The damping influences the reaction time of the devi...

Page 106: ... Volume measurement Customized characteristic curve only available via remote operation Page 146 Characteristic curves The device uses a linear characteristic curve for pressure and level measurements For volume and mass flow measurements the device uses adjustable square root functions For volume measurement the device uses the tank characteristic curves for various vessel geometries In the Custo...

Page 107: ... 57 Figure 9 1 Flow diagram You have various options for setting the measuring task of your device Device with display Remote operation Application parameter 05 Settings Select output Application or using the Quick start wizard Parameter assignment 9 2 Parameter assignment over device with display SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 107 ...

Page 108: ...sloped bottom vessel PARAE Parabolic ends vessel Mass flow MSLN Linear square root Proportional to flow rate linear up to the application pointApplication point 06 Page 115 MSOFF Hold at 0 square root Proportional to flow rate deactiva ted up to the application pointLow flow cut off 20 Page 128 MSLN2 Two step linear square root Proportional to flow two step linear up to the application point MSL2B...

Page 109: ...er scaling point 9 2 4 2 Level measurement To set the application of the device for the level measurement select the level characteristic curve using the Application parameter LEVEL For a level measurement the device calculates the level height and the hydrostatic pressure The geometry of the vessel is not included in the calculation The device uses a linear characteristic curve Parameter assignme...

Page 110: ...value 2 0 s Lower range value 0 0 bar Upper range value 5 0 bar Application Level LEVEL Unit m Lower scaling point 0 0 m Upper scaling point 49 m Parameter assignment 9 2 Parameter assignment over device with display SITRANS P320 P420 mA HART 110 Operating Instructions 06 2018 A5E44852162 AA ...

Page 111: ...UDQJH IRU DSSOLFDWLRQ SRLQW EDU Y Loop current or flow X Set measuring span Linear square root VSLN for volume or MSLN formass flow The loop current has a linear relationship with the differential pressure up to the application point Page 115 Starting from the application point scaling occurs according to the square root SSOLFDWLRQ SRLQW OLQHDU 6HWWLQJ UDQJH IRU DSSOLFDWLRQ SRLQW EDU Y Loop curren...

Page 112: ...WWLQJ UDQJH IRU DSSOLFDWLRQ SRLQW OLQHDU Y Loop current or flow X Set measuring span Two step linear square root or bidirectional flow measurement VSL2B for volume or MSL2B for mass flow For bidirectional flow measurement enter symmetrical scaling values Select a lower scaling value that is symmetrical to the upper scaling value Example Upper scaling value 1000 m3 s Lower scaling value 1000 m3 s T...

Page 113: ...ower scaling point 0 0 m3 h Upper scaling point 300 m3 h Example Mass flow linear For the mass flow measurement you set the following values for example Damping value 1 s Lower range value 0 0 mbar Upper range value 600 mbar Application Linear square root MSLN Unit t h Lower scaling point 0 0 t h Upper scaling point 300 m3 s Parameter assignment 9 2 Parameter assignment over device with display SI...

Page 114: ...l CONIC Conical bottom vessel Vessel dimension A PARAB Parabolic bottom vessel Vessel dimension A HALF Half sphere bottom vessel Vessel dimension A FLAT Flat sloped bottom vessel Vessel dimension A PARAE Parabolic ends vessel Vessel dimension A Vessel dimension L Parameter assignment 9 2 Parameter assignment over device with display SITRANS P320 P420 mA HART 114 Operating Instructions 06 2018 A5E4...

Page 115: ...have set the application of your device 9 2 5 Application point 06 Sets the application point from which scaling occurs according to the square root Before the application point the scaling occurs in a linear relationship with the differential pressure This parameter is only visible when you have selected Linear square root VSLIN or MSLIN or Hold at 0 square root VSOFF or MSOFF using the Applicati...

Page 116: ...d differently depending on the device version 9 2 6 1 Adjusting zero point gauge pressure Requirement The pressure measurement is stable Procedure 1 Vent the pressure connection of the device 2 Navigate into the parameter view Navigating in the views Page 71 3 In the parameter view select the Zero point adjustment parameter 07 4 Press the button 5 Set the zero point to 0 6 Change to the measuremen...

Page 117: ...5 Set the zero point to 0 6 Change to the measurement view with the button Note Depending on the damping setting a settling time elapses until the pressure measurement 0 is displayed Make sure there is identical pressure in the two process connections until the end of the operation Result The device displays pressure measurement 0 in the set unit The effective measuring range is reduced by the amo...

Page 118: ...ect settings Note The effective measuring range is reduced by the amount of the upstream pressure Example With an upstream pressure of 10 mbar the effective measuring range of a 1300 mbar pressure transmitter is reduced to a point between 0 and 1290 mbar 9 2 7 Apply lower range value 08 Apply upper range value 09 9 2 7 1 Apply lower range value parameter 08 Sets the lower range value to the curren...

Page 119: ...meter 09 Device Apply values menu The minimum permissible measuring span of the measuring cell must not be fallen below You can find the minimum permissible measuring span of your measuring cell in the section Technical data Page 191 Example Measuring cell 0 to 16 bar 1 The measuring range is from 0 to 16 bar S EDU P 2 You set the lower range value from 0 bar to 1 bar In order for the measuring sp...

Page 120: ...sible span 9 2 8 Select fault current 10 Selects whether the lower or upper fault current is output when a fault occurs e g hardware firmware error sensor break Setting range UPPER Upper fault current LOWER Lower fault current Factory setting LOWER or as specified in order Devices with functional safety When a safety oriented error is detected in the device in Functional Safety enabled device mode...

Page 121: ...3 8 mA 22 8 mA 20 mA 20 5 mA 4 mA 3 55 mA Normal operation Lower fault current factory setting Lower saturation limit factory setting Upper saturation limit factory setting Upper fault current factory setting 9 2 11 Lower saturation limit 13 Sets the lower threshold for the lower saturation limit The loop current cannot drop below the set threshold Setting range Between lower fault current and 4 m...

Page 122: ...saturation limit Setting range Between 20 mA and the upper fault current Factory setting 20 5 mA or as specified in order 3 8 mA 22 8 mA 20 mA 20 5 mA 4 mA 3 55 mA Normal operation Lower fault current factory setting Lower saturation limit factory setting Upper saturation limit factory setting Upper fault current factory setting Parameter assignment 9 2 Parameter assignment over device with displa...

Page 123: ...u have selected using the Application parameter you have the option of selecting a unit Level Volume Volume flow Mass flow The selected unit is displayed in the measurement view Use the remote operation to set the associated unit for the Customized characteristic curve application See also Application 05 Page 106 9 2 14 1 Level units 16 Selects the unit for the Level measurement Parameter assignme...

Page 124: ...e operation Page 102 Setting range Display header line Display enumeration Remote operation Gal Ga gal Gal UK IGa gal UK l l l hl hl hl m3 m3 m3 in3 in3 in3 Ft3 Ft3 ft3 bu bu bu Yd3 Yd3 yd3 bbl bbl bbl bbl US Ubb bbl US Nl Nl Nl Nm3 Nm3 Nm3 SCF SCF SCF Factory setting m3 9 2 14 3 Volume flow units 16 Selects the unit for the Volume flow measurement This parameter is only visible when you have sele...

Page 125: ...UK Sec IGa S gal UK s Gal UK min IGa m gal UK min Gal UK h IGal h gal UK h Gal UK d IGa d gal UK d Gal Sec Ga S gal s Gal min Ga m gal min Gal h Ga h gal h Gal d Ga d gal d Mgal d MGI d Mgal d bbl d bbl d bbl d bbl h bbl h bbl h bbl min bbl m bbl min bbl Sec bbl S bbl s Factory setting m s 9 2 14 4 Mass flow units 16 Selects the unit for the mass flow measurement This parameter is only visible whe...

Page 126: ...o h ton h ton d sto d ton d ton UK h Lto h ton UK h ton UK d Lto d ton UK d Factory setting kg s 9 2 15 Temperature units 17 Selects the temperature unit for the Sensor temperature and Electronics temperature measurements that are displayed in the measurement view Setting range K C F R Factory setting C 9 2 16 Lower scaling point 18 Sets the lower range value for the scaling Depending on the appli...

Page 127: ...g range Freely selectable numeric value Factory setting USER DEFINED custom or as specified in order Note Bidirectional volume and mass flow measurement Select a lower scaling value that is symmetrical to the upper scaling value Example Upper scaling value 1000 m3 s Lower scaling value 1000 m3 s 9 2 16 1 Set lower scaling point Procedure 1 Navigate to the parameter view Navigating in the views Pag...

Page 128: ... Factory setting 1000 kg s Custom units Setting range Freely selectable numeric value Factory setting USER DEFINED custom or as specified in order 9 2 17 1 Set upper scaling point Procedure 1 Navigate to the parameter view Navigating in the views Page 71 2 Select the Upper scaling point parameter 19 3 Use the button to confirm 4 Set the upper scaling point 9 2 18 Low flow cut off 20 Sets the flow ...

Page 129: ... 0 For the calculated volume to correspond to the actual vessel volume set the parameters Vessel dimension A and Vessel dimension L as follows Vessel dimension L 2 Vessel dimension A 100 Example Vessel dimension L is 80 and vessel dimension A is 10 9 2 20 Vessel dimension L 22 Sets the length of the bottom vessel for a lying parabolic ends vessel PARAE You can find a figure with the different vess...

Page 130: ...the button The EDIT symbol flashes 4 Select ON with the or button 5 Use the button to confirm Result The display automatically returns to the measurement view The display automatically changes between the measured values every 12 seconds The symbol for button lock LL and the measured value ID are displayed alternately Note For a device without display you activate the button lock using remote oper...

Page 131: ...remote operation 9 2 22 Change user PIN 24 Used to change the User PIN Setting range 1 to 65535 Factory setting 2457 Requirement The User PIN parameter 27 is enabled Procedure 1 Navigate to the parameter view Navigating in the views Page 71 2 Select the parameter Change user PIN 24 3 Press the button 4 Enter the old user PIN Parameter assignment 9 2 Parameter assignment over device with display SI...

Page 132: ...match the FAILD message appears Then repeat the described procedure 9 2 23 Recovery ID 25 Shows the recovery ID If you have forgotten your user PIN you will need a recovery ID The Recovery ID parameter shows a number that is necessary for restoring the user PIN Figure 9 2 Example 9 2 23 1 Display Recovery ID Requirements The User PIN parameter 27 is enabled Parameter assignment 9 2 Parameter assig...

Page 133: ...ck Key that you use to reset the user PIN to the factory setting 2457 9 2 24 PIN recovery 26 Used to reset the user PIN to the factory setting The user PIN is factory set to 2457 in the device 9 2 24 1 Recovering the user PIN Requirement You have received the PUK from Technical Support Page 132 The User PIN parameter 27 is enabled Procedure 1 In the parameter view select the PIN recovery 26 parame...

Page 134: ...ser PIN 27 Used to enable or disable the user PIN Setting range ON Enable user PIN OFF Disable user PIN Factory setting User PIN disabled When user PIN is enabled the measured values and parameters are read only To change the parameters and use the device functions the user PIN must be input The user PIN 2457 is factory preset in the device Note Write protection is automatically enabled 10 minutes...

Page 135: ...isable user PIN Requirement The user PIN is enabled Procedure 1 Navigate into the parameter view Navigating in the views Page 71 2 Select the parameter User PIN 27 3 Use the button to confirm 4 Select YES with the or button 5 Use the button to confirm The message USER PIN OFF appears for 2 seconds Parameter assignment 9 2 Parameter assignment over device with display SITRANS P320 P420 mA HART Oper...

Page 136: ...ode Factory setting STD See also Device mode Page 157 9 2 27 Functional Safety 29 Enables Functional Safety The parameter is only visible for devices with Functional Safety See also Functional Safety Page 153 9 2 28 Display test 30 Used to check that numbers texts and symbols appear correctly on the display To start the display test press the button and select START When the display test is comple...

Page 137: ...igating in the views Page 71 2 In the parameter view select the Loop test parameter 31 3 Use the button to confirm The loop test starts The EDIT symbol flashes The Function check symbol is displayed The Co symbol constant current mode is displayed 4 Change the preset value with the or button 5 Use the button to confirm The loop test starts 6 End the loop test with the button Parameter assignment 9...

Page 138: ...button to confirm The loop test starts 8 End the loop test with the button 9 2 30 Start view 32 Selects the value that is displayed as the first measured value in the measurement view For the selection to take effect change from the parameter view to the measurement view or restart the device Setting range Edit view Measurement view PRESS Pressure P1 STEMP Sensor temperature P2 ETEMP Electronics t...

Page 139: ...E Gauge pressure ABS Absolute pressure Factory setting NONE See also Pressure units 01 Page 101 9 2 32 Identify the device 34 Enables or disables the device identification via HART When device identification is enabled the device signals its identification data via HART With device identification enabled the device responds to a request with the HART command Find device Setting range ON Device ide...

Page 140: ...ion to the factory setting 9 2 33 2 Reset DAC trim to the factory setting Resets the DAC trim digital to analog converter trim to the factory setting The DAC trim is used to calibrate the 4 mA and 20 mA end points of the analog output with an external reference e g current measurement device The DAC trim is available over remote operation Parameter assignment 9 2 Parameter assignment over device w...

Page 141: ...r saturation limit Upper saturation limit Custom units The parameters that you have not configured via the order are reset to the factory settings 9 2 33 4 Restore factory settings With this function you return your device to its factory setting The following settings are reset to the factory setting among other things Sensor calibration DAC trim The defaults that you have configured in your order...

Page 142: ... five steps for the required application Step 1 Identification Step 2 Application Step 3 Scaling Note that you set the displayed pressure unit with the Pressure units Page 102 parameter and not with the wizard Set the unit of the selected application e g volume mass flow also via the parameter group Settings Current output Scaling Unit Step 4 Fault current Step 5 Summary The summary provides an ov...

Page 143: ...assembly number X Sensor serial number X in accordance with the measuring cell selection device manufac ture Hardware version X in accordance with the measuring cell selection device manufac ture Firmware version X in accordance with the measuring cell selection device manufac ture EDD version X Sensor serial number X in accordance with the measuring cell selection device manufac ture Sensor type ...

Page 144: ...e 2 Select the pressure value Process value to be simulated from the drop down list under the Simulation selection parameter 3 For the Simulation value parameter set the desired constant pressure value for the simulation 4 Set status to be simulated for the PV status parameter 5 Click Transfer to start the simulation 6 For the Simulation mode parameter set the Disabled option to stop the simulatio...

Page 145: ...d pressure value has a direct effect on the configured process value e g volume or flow rate and thus on the current output dependent on it 9 3 4 3 Simulate diagnostics Procedure To simulate diagnostics via remote operation e g SIMATIC PDM follow these steps 1 Open the Device menu in SIMATIC PDM and select Simulation Diagnostics 2 To put the device into simulation mode press the Enable button in t...

Page 146: ...cs dialog Alternatively you can restart the device 9 3 5 Customized characteristic curve 9 3 5 1 Introduction For special applications a customized characteristic curve is available This application is used for example for volume measurement in vessels with unusual shapes You define the relationship between inlet pressure and outlet current according to your user specific requirements You have up ...

Page 147: ...ad the data from the device 3 Enter the desired number of breakpoints You can enter a minimum of two and up to 32 breakpoints 4 Enter the x values and y values Note The x values must increase monotonically Otherwise the x values are not accepted by the device The characteristic curve is displayed as diagram The x values are shown as pressure value or as percentage of the set pressure range The y v...

Page 148: ...nsmitter is turned down to 4 to 7 bar You can attain the highest possible accuracy by selecting 4 bar for the low trim point and 7 bar for the high trim point A 250 mbar absolute pressure transmitter shows 25 mbar at 20 mbar A reference pressure of 20 mbar is available To correct the zero point perform a sensor trim at the lower trim point with 20 mbar Note Use a test device whose accuracy is at l...

Page 149: ... VKLIW QFOLQH FKDQJH 0HDVXUHG SUHVVXUH S RZHU WULP SRLQW 8SSHU WULP SRLQW HIDXOW SUHVVXUH A Original characteristic B Characteristic curve after lower sensor trim C Characteristic curve after upper sensor trim See also Apply lower range value 08 Apply upper range value 09 Page 118 9 3 7 Diagnostics functions 9 3 7 1 Limit monitoring and event counter Used to monitor selected process values count a...

Page 150: ...SSHU OLPLW RZHU OLPLW RZHU OLPLW 7LPH 0RQLWRUHG YDOXH 0RQLWRUHG YDOXH LPLWV ZLWK K ᚔHUHVLV LPLWV ZLWKRXW K ᚔHUHVLV ᚔHUHVLV ᚔHUHVLV 7LPH A Upper limit with hysteresis An overrun event is counted when the process value rises above the upper limit 1 The next overrun event is counted when the process value falls below the lower limit minus hysteresis 2 and then rises above the upper limit 3 When hyste...

Page 151: ... requiring acknowledgment with event counter With this type of monitoring the configured diagnostics is only triggered after the specified number of limit violations has been reached e g maintenance required This diagnostic message must be acknowledged During acknowledgment the event counters of the monitored process value and the diagnostic messages are reset Events and actions If the process val...

Page 152: ...entries 4 Use the Logging behavior parameter to define the buffer behavior when the log is full 5 In the parameters Logging value 1 and Logging value 2 define the process values to be logged 6 Click on the Transfer button to write the log settings to the device You can view the trend log via the menu command Diagnostics Trend log Show trend log The PV and SV set in the PV selector and SV selector ...

Page 153: ...system is implemented 10 1 1 Random and systematic errors Random errors can occur at any time An example is an electronic circuit that is faulty immediately Systematic errors occur under specific conditions and are reproducible if the same conditions arise again An example is a software error that occurs under certain conditions There are random and systematic errors in hardware but only systemati...

Page 154: ...fe behavior application specific measurement error 2 safety accuracy Example A silo is to be securely monitored to check that the level does not exceed 10 meters Application specific measurement error 0 1 Safety accuracy 2 0 Total tolerance 2 1 2 1 of 10 meters is 21 centimeters When process monitoring is set to 9 79 meters safe shutdown is guaranteed even in the event of a random individual error...

Page 155: ... Only one SITRANS P device is required for single channel operation for SIL 2 Safety instrumented system in multi channel operation SIL 3 Automation system Transmitter Final controlling elements P P Figure 10 2 Safety instrumented system in multi channel operation The combination of transmitter automation system and final controlling element forms a safety instrumented system that performs a safet...

Page 156: ... Device status Description Error class Normal mode 4 20 mA The safe current output outputs the measured value within the defined safety accuracy Detected failure safe state The safe current output is 3 6 mA or 21 mA specified as failure signal λDD Rate of dangerous detec ted errors Dangerous state A dangerous state exists when a current output is in the range 4 20 mA and deviates from the correct ...

Page 157: ... are displayed via the display or remote operation Device mode Description Current output value Safe current output Functional Safety disa bled Used for operation in non safety related ap plications The safety related pa rameters of the device are set Operating signal 4 to 20 mA No The safety relevant pa rameters and the fail safe behavior are vali dated Out of service non safe mode The device is ...

Page 158: ...ion by performing the safety validation Failure signal 3 6 mA or 21 mA Yes You can find the display of the device modes in the section Active device mode 28 Page 136 See also Safety related parameters Page 159 Enabling Functional Safety Page 160 10 1 5 1 Validation In Functional Safety disabled device mode you have the option of making the following validations before you enable Functional Safety ...

Page 159: ...Sensor breakage monitoring Continuous testing of execution and logic behavior of CPU analog to digital converter and memory Temperature monitoring Pressure monitoring Integrity of safety related parameters Plausibility check of current output When a safety related critical error is detected in the device the current output signal corresponds to the fault current 3 55 mA and is independent of the s...

Page 160: ...8 10 2 1 Enabling Functional Safety over device with display Requirement You have checked the settings of the safety related parameters Safety related parameters Page 159 Note The main line of the display has a measured value display with a maximum of five digits To completely display the measured values for upper range value S3 and lower range value S4 by means of the maximum five digits availabl...

Page 161: ... without validation of the safety related parameters and the fail safe behavior Validating safety related parameters 1 Select VALID 2 Use the button to confirm 3 Navigate to the safety related parameters with the button To correct the safety related parameters exit the wizard with the button Use the button to confirm Note Write protection via user PIN is automatically enabled 10 minutes after the ...

Page 162: ...rrect execution of the fail safe behavior in which the device is used 2 In the parameter view select the Functional Safety parameter 29 3 To continue with the wizard enter the user PIN if needed 4 Select START 5 Use the button to confirm 6 When you have successfully validated the fail safe behavior restart the wizard and select PASSD The message SAFETY MODE ON Functional Safety enabled appears Fun...

Page 163: ...have read and documented the product name and the serial number on the rating plate of the device You have defined and documented a long tag Page 143 You have checked the settings of the safety related parameters Safety related parameters Page 159 You have selected one of the following characteristic curves using the Application parameter 05 Linear proportional to pressure Linear proportional to l...

Page 164: ...Procedure 1 Select the menu command Functional Safety 2 Enter the user PIN Functional Safety 10 2 Enabling Functional Safety SITRANS P320 P420 mA HART 164 Operating Instructions 06 2018 A5E44852162 AA ...

Page 165: ...el 4 Write down the fingerprint Whenever you start the validation the device generates a fingerprint By comparing the fingerprint you determine whether or not the device and the safety related parameters have changed erroneously during activation of the functional safety Functional Safety 10 2 Enabling Functional Safety SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 165 ...

Page 166: ...s to the Safety validation device mode 7 Confirm with OK Validate fail safe behavior 1 Check the correct execution of the fail safe behavior in which the device is used 2 Select the Functional Safety wizard Functional Safety 10 2 Enabling Functional Safety SITRANS P320 P420 mA HART 166 Operating Instructions 06 2018 A5E44852162 AA ...

Page 167: ...afety enabled device mode All parameters are protected against changes When a safety related error is detected on the device the device changes to Safety critical error device mode Page 168 Note The system shows unexpected data or behaves differently than described in this procedure Repeat the entire procedure Functional Safety 10 2 Enabling Functional Safety SITRANS P320 P420 mA HART Operating In...

Page 168: ...ional Safety parameter 29 via local operation or via the menu command Functional Safety through remote operation Page 169 The device then restarts and returns to the Functional Safety disabled device mode Note The system shows unexpected data or behaves differently than described in this procedure Repeat the entire procedure Note Damaged device Replace the device See also Select fault current 10 P...

Page 169: ...afety 2 Enter the user PIN 3 Validate the identification data of your device Long tag product name and serial number 4 To acknowledge the safety related error click on Acknowledge Functional Safety 10 3 Acknowledging safety related errors SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 169 ...

Page 170: ...he Functional Safety disabled device mode Note The system shows unexpected data or behaves differently than described in this procedure Repeat the entire procedure 10 4 Disabling Functional Safety over device with display Requirement The device is in the Functional Safety enabled device mode Functional Safety 10 4 Disabling Functional Safety over device with display SITRANS P320 P420 mA HART 170 O...

Page 171: ...g Functional Safety over remote operation Requirement The device is in the Functional Safety enabled device mode Procedure 1 Select the menu command Functional Safety 2 Enter the user PIN 3 Validate the identification data of your device Long tag product name and serial number 4 Confirm with Ok that you want to disable Functional Safety 5 Validate the identification data of your device again Long ...

Page 172: ...for proof test To ensure reliable operation of the fail safe behavior perform the following proof tests at the following intervals All devices Read the information on maintenance intervals and checking the seals and cable glands in the section Maintenance and repair work Page 177 Absolute pressure devices Set the zero point every 5 years for the following variants Measuring cell Absolute pressure ...

Page 173: ...ults of the proof test must be part of the safety management system of the installation Errors that are of critical importance for Functional Safety must be reported to Siemens Technical Support Page 247 10 7 Repair and service NOTICE Repair and service Repair and service work may only be performed by personnel authorized by Siemens Functional Safety 10 7 Repair and service SITRANS P320 P420 mA HA...

Page 174: ...Functional Safety 10 7 Repair and service SITRANS P320 P420 mA HART 174 Operating Instructions 06 2018 A5E44852162 AA ...

Page 175: ...e may overheat due to dust build up Remove dust layers in excess of 5 mm CAUTION Releasing button lock Improper modification of parameters could influence process safety Make sure that only authorized personnel may cancel the button locking of devices for safety related applications NOTICE Penetration of moisture into the device Device damage Make sure when carrying out cleaning and maintenance wo...

Page 176: ...y cloth Prevent electrostatic charging in hazardous areas 11 2 2 Servicing the remote seal measuring system The remote seal measuring system usually does not need servicing If the mediums are contaminated viscous or crystallized it could be necessary to clean the diaphragm from time to time Use only a suitable solvent to remove the deposits from the diaphragm Do not use corrosive cleaning agents P...

Page 177: ... will vary from site to site depending on corrosion resistance WARNING Maintenance during continued operation in a hazardous area There is a risk of explosion when carrying out repairs and maintenance on the device in a hazardous area Isolate the device from power or Ensure that the atmosphere is explosion free hot work permit WARNING Impermissible accessories and spare parts Risk of explosion in ...

Page 178: ... at regular intervals Note Incorrect seal changes Incorrect measured values will be displayed Changing the seals in a process flange of a differential pressure measuring cell can alter the start of scale value Changing seals in devices with differential pressure measuring cells may only be carried out by personnel authorized by Siemens Note Using the wrong seals Using the wrong seals with flush mo...

Page 179: ...eck the tightness of the cable glands at regular intervals Tighten the cable glands if necessary Service and maintenance 11 3 Maintenance and repair work SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 179 ...

Page 180: ...rder to ensure that all hollow areas are free from hazardous substances Check the item after it has been cleaned Any devices replacement parts returned without a decontamination declaration will be cleaned at your expense before further processing 11 5 Disposal Devices described in this manual should be recycled They may not be disposed of in the municipal waste disposal services according to the ...

Page 181: ... standard diagnostic classes from Siemens Note Priority conflict in the device status NAMUR vs Siemens standard A priority conflict can arise when multiple diagnostic events are pending at the same time In this case the NAMUR symbol on the local display differs from the symbol displayed in SIMATIC PDM Example If both diagnostic states Maintenance demanded and Configuration errors are pending The d...

Page 182: ...est 2 2 Manual opera tion 4 Cause Output signal temporarily invalid e g frozen due to work being performed on the device Measure Manual mode over HMI or disable the engineering system Function test 2 2 Simulation mode 5 Cause Output signal temporarily does not represent the process because the output is based on a simulation Measure Simulation mode over HMI or disable the engineering system or res...

Page 183: ... Deviations from permissible ambient or process conditions detected by the device by means of self monitoring or based on warnings in the device indicate that the measured value is unreliable or deviations from the set value in the actuators is most likely greater than anticipated under normal operating conditions Process or ambient conditions can damage the device or result in unreliable output M...

Page 184: ... the threshold Reset and acknowledge event counter Check process conditions Check limit monitoring and event counter settings A4 Event counter 2 Number overruns above threshold Process alarm The number of overruns of the process value set in parameters Upper limit and Monitored value has reached the threshold Reset and acknowledge event counter Check process conditions Check limit monitoring and e...

Page 185: ...of configured sensor s lifetime Maintenance is strongly recommended as soon as possible AD Sensor lifetime Mainte nance required Forthcoming end of configured sensor s lifetime Maintenance of device should be planned AE Service Maintenance de manded Forthcoming end of the configured service interval Maintenance is strongly recommended as soon as possible AF Service Maintenance re quired Forthcomin...

Page 186: ...ngs AY Event counter 1 Number overruns above threshold Maintenance required The number of overruns of the process value set in parameters Upper limit and Monitored value has reached the threshold Reset and acknowledge event counter Check process conditions Check limit monitoring and event counter settings bE Out of service The output signal does not represent the process value The device mode is s...

Page 187: ...s variations Enter the loop current output value for simulation Disable the simulation to return to normal operation CP Loop current in saturation The loop current has reached its upper or lower saturation limit and cannot increase or decrease any further Adjust loop current scaling CU PV status uncertain The value is outside of the physical sensor range Accuracy may decrease CY PV status bad The ...

Page 188: ...ical Support Fr Internal power supply is out of allowable range A replacement of the device is recommended Contact Technical Support FS Electronics defect Defect of device electronics A replacement of the device is recommended Contact Technical Support SA Non volatile memory check failure Device electronics error Restart the device If error continues device electronics may have a defect Repair req...

Page 189: ...e display and in SIMATIC PDM Display SIMATIC PDM PLC Symbol Symbol Description Data exchanged No data exchanged Write protection disabled EDIT EDIT is permanently enabled in the parameter view You can read the parameter EDIT flashes in the edit view You can change the parameter L Device is write protected by a jumper LL Button lock of device is enabled LP Parameters and device functions are write ...

Page 190: ...ear up to the application point VSLN2 or MSLN2 INVALID CFG LOOPT Loop current fixed Loop test or multidrop mode are enabled To return to normal operation disable the loop test or multidrop mode Loop test 31 Page 137 INVALID CFG SIMUL Device in simulation mode Pressure meas ured value is simulated Disable simulation to return to normal operation Simulate constant pressure values Page 144 INVALID CF...

Page 191: ... 1 100 kPa 0 15 14 5 psi 6 bar 0 6 MPa 87 psi 9 bar 0 9 MPa 130 psi 0 04 4 bar 4 400 kPa 0 58 58 psi 20 bar 2 MPa 290 psi 30 bar 3 MPa 435 psi 0 16 16 bar 0 016 1 6 MPa 2 3 232 psi 45 bar 4 5 MPa 652 psi 70 bar 7 MPa 1015 psi 0 63 63 bar 0 063 6 3 MPa 9 1 914 psi 80 bar 8 MPa 1160 psi 120 bar 12 MPa 1740 psi 1 6 160 bar 0 16 16 MPa 23 2321 psi 240 bar 24 MPa 3480 psi 360 bar 36 MPa 5221 psi 4 400 ...

Page 192: ... span Maximum permissible operating pressure MAWP PS Maximum test pressure 0 01 1 bar 1 100 kPa 0 15 14 5 psi Refer to the information on the nameplate of the pressure transmitter and the data on the mounting flange1 0 04 4 bar 4 400 kPa 0 58 58 psi 0 16 16 bar 0 016 1 6 MPa 2 3 232 psi 0 6 63 bar 0 063 6 3 MPa 9 1 914 psi 1 The MAWP value of the pressure transmitter can be lower than the PN value...

Page 193: ...i 16 1600 mbar 1 6 160 kPa 6 424 642 4 inH2O 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 50 5000 mbar 5 500 kPa 20 08 2008 inH2O 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 0 3 30 bar 0 03 3 MPa 4 35 435 psi 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 5 100 bar 0 5 10 MPa 76 9 1450 psi 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi Gauge pressure measuring limits from differential pre...

Page 194: ...14 5 435 psi a 65 bar a 6 5 MPa a 942 psi a 100 bar a 10 MPa a 1450 psi a 5 3 160 bar a 0 53 16 MPa a 77 2321 psi a 240 bar a 24 MPa a 3480 psi a 380 bar a 38 MPa a 5511 psi a 13 3 400 bar a 1 3 40 MPa a 192 5801 psi a 400 bar a 40 MPa a 5801 psi a 600 bar a 60 MPa a 8702 psi a 23 3 700 bar a 2 3 70 MPa a 337 10152 psi a 800 bar a 80 MPa a 11603 psi a 800 bar a 80 MPa a 11603 psi a Absolute pressu...

Page 195: ...tion on the nameplate of the pressure transmitter and the data on the mounting flange1 166 5000 mbar a 16 6 500 kPa a 2 41 72 5 psi a 1 30 bar a 0 1 3 MPa a 14 5 435 psi a Depending on the process connection the measuring span may differ from these values 1 The MAWP value of the pressure transmitter can be lower than the PN value of the mounting flange and vice versa To determine the maximum permi...

Page 196: ...a 16 MPa a 2320 psi a 240 bar a 24 MPa a 3480 psi a 5 100 bar a 0 5 10 MPa a 76 9 1450 psi a 160 bar a 16 MPa a 2320 psi a 240 bar a 24 MPa a 3480 psi a Absolute pressure measuring limits from dif ferential pressure series Lower measuring limit Measuring cell with silicone oil filling 0 mbar a kPa a psi a Measuring cell with inert liquid For process temperature 20 C ϑ 60 C 4 F ϑ 140 F 30 mbar a 3 ...

Page 197: ... bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 16 1600 mbar 1 6 160 kPa 6 424 642 4 inH2O 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 50 5000 mbar 5 500 kPa 20 08 2008 inH2O 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 0 3 30 bar 0 03 3 MPa 4 35 435 psi 160 bar 16 MPa 2320 psi 240 bar 24 MPa 3480 psi 2 5 250 mbar 0 25 25 kPa 1 004 100 4 inH2O 420 bar 42 MPa 6091 psi 630 bar 63 MPa 9137 psi 6 ...

Page 198: ...mperature 10 C ϑ 100 C 14 F ϑ 212 F 100 of maximum measuring range or 100 mbar a 10 kPa a 14 5 psi a Upper measuring limit 100 of max range for oxygen measurement max 100 bar 10 MPa 1450 psi and 60 C ambient temperature medium temperature Start of scale value Between the measuring limits continuously adjustable 13 1 8 Level Level input Measured variable Level Measuring span continuous ly adjustabl...

Page 199: ...nditions According to EN 60770 1 IEC 61298 1 Rising characteristic curve Lower range value 0 bar kPa psi Seal diaphragm stainless steel Measuring cell with silicone oil filling Room temperature 25 C 77 F 13 2 2 Effect of auxiliary power supply 0 005 per 1 V in percent per change in voltage 13 2 3 Gauge pressure Conformity error at limit point setting including hysteresis and repeatability gauge pr...

Page 200: ...a 5802 psi 0 025 r 0 125 700 bar 70 MPa 10152 psi 0 08 r 0 16 Long term stability at 30 C 54 F gauge pressure 250 mbar 25 kPa 3 6 psi Per year 0 25 r 1 bar 100 kPa 14 5 psi In 5 years 0 25 r In 10 years 0 35 r 4 bar 400 kPa 58 psi 16 bar 1 6 MPa 232 psi 63 bar 6 3 MPa 914 psi 160 bar 16 MPa 2321 psi 400 bar 40 MPa 5802 psi In 5 years 0 125 r In 10 years 0 15 r 700 bar 70 MPa 10152 psi In 5 years 0...

Page 201: ...r 30 0 1 0 2 Effect of ambient temperature gauge pressure from differential pressure series In percent per 28 C 50 F 20 mbar 2 kPa 8 031 inH2O 0 15 r 0 1 60 mbar 6 kPa 24 09 inH2O 0 075 r 0 1 250 mbar 25 kPa 3 6 psi 600 mbar 60 kPa 240 9 inH2O 1600 mbar 160 kPa 642 4 inH2O 5000 mbar 500 kPa 2008 inH2O 30 bar 3 MPa 435 psi 0 025 r 0 125 100 bar 10 MPa 1450 3 psi 0 08 r 0 16 Long term stability at 3...

Page 202: ... and repeatability absolute pressure from gauge and differential pressure series Measuring span ratio r spread Turn Down r max measuring span set measuring span and nominal measuring range Linear characteristic curve r 10 10 r 30 All measuring cells 0 1 0 2 Effect of ambient temperature absolute pressure from gauge and differential pressure series In percent per 28 C 50 F 250 mbar 25 kPa 3 6 psi 0...

Page 203: ...ssure from the differential pressure series 0 7 mbar 0 07 kPa 0 001015 psi per 10 incline zero point correction is possible using the zero point adjustment 13 2 6 Absolute pressure with front flush diaphragm Conformity error at limit point setting including hysteresis and repeatability Measuring span ratio r spread Turn Down r max measuring span set measuring span and nominal measuring range Linea...

Page 204: ...ambient temperature gauge pressure with front flush diaphragm In percent per 28 C 50 F 1 bar 100 kPa 14 5 psi 4 bar 400 kPa 58 psi 16 bar 1 6 MPa 232 psi 63 bar 6 3 MPa 914 psi 0 08 r 0 16 Long term stability at 30 C 54 F gauge pressure with front flush diaphragm 1 bar 100 kPa 14 5 psi 4 bar 400 kPa 58 psi In 5 years 0 25 r 16 bar 1 6 MPa 232 psi 63 bar 6 3 MPa 914 psi In 5 years 0 125 r Step resp...

Page 205: ...435 11 psi 0 065 0 004 r 0 045 Root extraction characteris tic r 5 5 r 20 Flow 50 20 mbar 2 kPa 0 29 psi 0 075 0 005 r 0 05 Root extraction characteris tic r 5 5 r 60 Flow 50 60 mbar 6 kPa 0 87 psi 0 075 0 005 r 0 05 Root extraction characteris tic r 5 5 r 100 Flow 50 250 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi 0 065...

Page 206: ...n is possible with position error compensation 60 mbar 6 kPa 0 87 psi 250 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 30 bar 3 MPa 435 11 psi 0 1 r per 70 bar zero point correction is possible with position error compensation 5 bar 500 kPa 72 52 psi 0 15 r per 70 bar zero point correction is possible with position error compensation On the measuring span 20 mbar 2 kPa...

Page 207: ...ar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi Approx 0 135 s Step response time T63 without electrical damping differential pressure and flow PN420 250 mbar 25 kPa 3 63 psi Approx 0 25 s 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi Approx 0 2 s Effect of mounting position differential pressure and flow Effect of mountin...

Page 208: ...e basic unit The error of the remote seal must be considered additively Effect of static pressure level On the lower range value 250 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 0 1 r per 70 bar zero point correction is possible with position error compensation 5 bar 500 kPa 72 52 psi 0 15 r per 70 bar zero point correction is possible with position error compensation ...

Page 209: ...r max measuring span set measuring span and nominal measuring range Linear characteristic curve r 1 25 1 25 r 30 250 mbar 25 kPa 3 6 psi 0 065 0 008 r 0 055 Linear characteristic curve r 5 5 r 100 1 bar 100 kPa 14 5 psi 4 bar 400 kPa 58 psi 16 bar 1 6 MPa 232 psi 63 bar 6 3 MPa 914 psi 160 bar 16 MPa 12321 psi 0 04 0 004 r 0 045 Linear characteristic curve r 5 5 r 100 400 bar 40 MPa 5802 psi 700 b...

Page 210: ... gauge pressure Approx 0 105 s Effect of mounting position gauge pressure 0 05 mbar 0 005 kPa 0 000725 psi per 10 incline zero point correction is possible with position error compen sation 13 3 4 Gauge pressure from the differential pressure series Conformity error at limit point setting including hysteresis and repeatability gauge pressure from differential pressure series Measuring span ratio r...

Page 211: ...8 r 0 16 Long term stability at 30 C 54 F gauge pressure from differential pressure series 20 mbar 2 kPa 8 031 inH2O Per year 0 2 r 60 mbar 6 kPa 24 09 inH2O In 5 years 0 25 r 250 mbar 25 kPa 3 6 psi 600 mbar 60 kPa 240 9 inH2O 1600 mbar 160 kPa 642 4 inH2O 5000 mbar 500 kPa 2008 inH2O In 5 years 0 125 r In 10 years 0 15 r 30 bar 3 MPa 435 psi In 5 years 0 25 r In 10 years 0 35 r 100 bar 10 MPa 14...

Page 212: ...3 6 psi 0 15 r 0 1 1300 mbar a 130 kPa a 18 8 psi a 5 bar a 500 kPa a 72 5 psi a 30 bar a 3000 kPa a 435 psi a 100 bar a 10 MPa a 1450 3 psi a 160 bar a 16 MPa a 2321 psi a 400 bar a 40 MPa a 5802 psi a 700 bar a 70 MPa a 10152 6 psi a 0 08 r 0 16 Long term stability at 30 C 54 F absolute pressure from gauge and differential pressure series In 5 years 0 25 r Step response time T63 without electric...

Page 213: ...repeatability Measuring span ratio r spread Turn Down r max measuring span set measuring span and nominal measuring range Linear characteristic curve r 10 10 r 30 All measuring cells 0 2 0 4 Effect of ambient temperature In percent per 28 C 50 F All measuring cells 0 16 r 0 24 Long term stability at 30 C 54 F All measuring cells In 5 years 0 25 r Step response time T63 without electrical damping A...

Page 214: ...diaphragm 1 bar 100 kPa 14 5 psi 4 bar 400 kPa 58 psi In 5 years 0 25 r 16 bar 1 6 MPa 232 psi 63 bar 6 3 MPa 914 psi In 5 years 0 125 r Step response time T63 without electrical damping gauge pressure with front flush diaphragm Approx 0 105 s Effect of mounting position gauge pressure with front flush diaphragm 0 4 mbar 0 04 kPa 0 006 psi per 10 incline zero point correction is possible with posi...

Page 215: ...tion characteris tic r 5 5 r 20 Flow 50 20 mbar 2 kPa 0 29 psi 0 075 0 005 r 0 05 Root extraction characteris tic r 5 5 r 60 Flow 50 60 mbar 6 kPa 0 87 psi 0 075 0 005 r 0 05 Root extraction characteris tic r 5 5 r 100 Flow 50 250 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi 0 04 0 004 r 0 045 Root extraction characteris ...

Page 216: ...bar zero point correction is possible with position error compensation 60 mbar 6 kPa 0 87 psi 250 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 30 bar 3 MPa 435 11 psi 0 1 r per 70 bar zero point correction is possible with position error compensation 5 bar 500 kPa 72 52 psi 0 15 r per 70 bar zero point correction is possible with position error compensation On the meas...

Page 217: ...ar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi Approx 0 135 s Step response time T63 without electrical damping differential pressure and flow PN420 250 mbar 25 kPa 3 63 psi Approx 0 25 s 600 mbar 60 kPa 8 70 psi 1600 mbar 160 kPa 23 21 psi 5 bar 500 kPa 72 52 psi 30 bar 3 MPa 435 11 psi Approx 0 2 s Effect of mounting position differential pressure and flow Effect of mountin...

Page 218: ...ies to the basic unit The error of the remote seal must be considered additively Effect of static pressure level On the lower range value 50 mbar 25 kPa 3 63 psi 600 mbar 60 kPa 8 70 psi 600 mbar 160 kPa 23 21 psi 0 1 r per 70 bar zero point correction is possible with position error compensation 5 bar 500 kPa 72 52 psi 0 15 r per 70 bar zero point correction is possible with position error compen...

Page 219: ...d Resistor R Ω Without HART communication 8 9 P 5 UH Power supply in V With HART communication HART communicator Handheld R 230 1100 Ω SIMATIC PDM R 230 600 Ω Characteristic curve Linearly increasing or linearly decreasing Linear increase or decrease or according to the square root only for differential pressure and flow Bus physics Polarity independent 13 5 Operating conditions Operating conditio...

Page 220: ...h mounted M12 con nector and or lightning protection IP66 Type 4X Enclosure with mounted HAN con nector IP65 Electromagnetic compatibili ty Interference emission and interference immunity In accordance with EN 61326 and NAMUR NE 21 Process medium conditions Process temperature Cell Pressure Temperature range Measuring cell with sili cone oil filling 40 100 C 40 212 F Measuring cell with inert oil ...

Page 221: ...e with IEC 60721 3 4 4K4H Degree of protection accord ing to IEC EN 60529 UL50 E Enclosure with appropriate cable gland IP66 Type 4X IP68 2 hours at 1 5 m Enclosure with mounted M12 con nector and or lightning protection IP66 Type 4X Enclosure with mounted HAN con nector IP65 Electromagnetic compatibili ty Interference emission and interference immunity In accordance with EN 61326 and NAMUR NE 21 ...

Page 222: ...20 85 C 4 185 F Climate class in accordance with IEC 60721 3 4 4K4H Degree of protection accord ing to IEC EN 60529 UL50 E Enclosure with appropriate cable gland IP66 Type 4X IP68 2 hours at 1 5 m Enclosure with mounted M12 con nector and or lightning protection IP66 Type 4X Enclosure with mounted HAN con nector IP65 Electromagnetic compatibili ty Interference emission and interference immunity In...

Page 223: ...cone oil filling 40 85 C 40 185 F Display 20 80 C 4 185 F Storage temperature 50 85 C 58 185 F Climate class in accordance with IEC 60721 3 4 4K4H Degree of protection accord ing to IEC EN 60529 UL50 E Enclosure with appropriate cable gland IP66 Type 4X IP68 2 hours at 1 5 m Enclosure with mounted M12 con nector and or lightning protection IP66 Type 4X Enclosure with mounted HAN con nector IP65 El...

Page 224: ...um and stainless steel enclosure Differential pressure series1 Aluminum and stainless steel enclosure Vibrations sine IEC 60068 2 6 9 35 Hz at 10 m s 1 octave min 1 cycle axis Vibrations sine IEC 60068 2 6 5 7 Hz at 20 mm 9 100 Hz at 20 m s 10 octave min 1 cycle axis Continuous shocks half sine IEC 60068 2 27 300 m s 11 ms 6 shocks axis 1 With mounting bracket Operating conditions according to IEC...

Page 225: ...closure 3 Without mounting bracket aluminum and stainless steel enclosure 13 7 Construction Construction for gauge pressure and absolute pressure from the gauge pressure series Weight Approx 1 8 kg 3 9 lb with aluminum enclosure Approx 3 8 kg 8 3 lb with stainless steel enclosure Material Wetted parts materials Process connection Stainless steel material no 1 4404 316L or Alloy C22 material no 2 4...

Page 226: ...ith aluminum enclosure Approx 3 8 kg 8 3 lb with stainless steel enclosure Material Wetted parts materials Process connection Stainless steel mat no 1 4404 316L Seal diaphragm Stainless steel material no 1 4404 316L or Alloy C276 material no 2 4819 Non wetted parts materials Electronics housing Low copper die cast aluminum GD AlSi 12 or stainless steel precision casting mat no 1 4409 CF 3M Standar...

Page 227: ...Stainless steel ISO 3506 1 A4 70 Mounting bracket Steel galvanized stainless steel 1 4301 304 stainless steel 1 4404 316L Process connection 1 4 18 NPT female thread and flange connection with 7 16 20 UNF fastening screw thread in accordance with EN 61518 or M10 fastening screw thread in accordance with DIN 19213 M12 for PN 420 MAWP 6092 psi Electrical connection Screw terminals Cable inlet using ...

Page 228: ...tronics housing Low copper die cast aluminum GD AlSi 12 or stainless steel precision casting mat no 1 4409 CF 3M Standard Powder coating with polyurethane D20 option 2 coats Coat 1 epoxy based coat 2 Polyurethane Stainless steel nameplate 1 4404 316L Pressure cap screws Stainless steel ISO 3506 1 A4 70 Measuring cell filling Silicone oil Mounting flange fill fluid Silicon oil or a different design...

Page 229: ...torque for thread M10 or 7 16 20 UNF 36 Nm Retaining screws for rotation of the enclosure Tightening torque for aluminum enclosure 3 8 Nm Tightening torque for stainless steel enclosure 3 5 Nm 13 9 Display keyboard and auxiliary power Display and user interface Buttons 4 buttons for operation directly on the device Display With or without integrated display optional Cover with inspection window op...

Page 230: ...Designation II 1 2 G Ex ia ib IIC T4 T6 Ga Gb Permissible ambient temperature 40 80 C 40 176 F temperature class T4 40 70 C 40 158 F temperature class T6 Permissible temperature of medium 40 100 C 40 212 F temperature class T4 40 70 C 40 158 F temperature class T6 Connection To a certified intrinsically safe circuit with the max values Ui 30 V Ii 101 mA Pi 760 mW Ui 29 V Ii 110 mA Pi 800 mW Effect...

Page 231: ... C 40 176 F temperature class T4 40 40 C 40 104 F temperature class T6 Permissible ambient temperature ic 40 80 C 40 176 F temperature class T4 40 80 C 40 176 F temperature class T6 Permissible temperature of medium 40 100 C 40 212 F temperature class T4 40 70 C 40 158 F temperature class T6 Connection ec To a circuit with the operating values Un 10 5 to 30 V 4 20 mA Connection ic To a certified i...

Page 232: ...Technical data 13 10 Certificates and approvals SITRANS P320 P420 mA HART 232 Operating Instructions 06 2018 A5E44852162 AA ...

Page 233: ...ion end Electrical connection M20 x 1 5 gland3 14 NPT gland Han 7D Han 8D plug2 3 M12 connector2 3 Harting adapter Cover over buttons and nameplate with general information Blanking plug Safety catch only for flameproof enclosure Process connection G B connection pin or oval flange Mounting bracket optional 1 In addition allow approx 22 mm 0 87 inch for the thread length when removing the covers S...

Page 234: ...S P320 and SITRANS P420 pressure transmitters for absolute pressure from the gauge pressure series dimensions in mm inches Dimension drawings 14 1 SITRANS P320 P420 for gauge pressure and absolute pressure from the gauge pressure series SITRANS P320 P420 mA HART 234 Operating Instructions 06 2018 A5E44852162 AA ...

Page 235: ... flameproof enclosure type of protection Lateral ventilation for liquid measurement standard Lateral ventilation for gas measurement addition K85 Mounting bracket optional Sealing plug with valve optional Process connection 1 4 18 NPT EN 61518 1 In addition allow approx 22 mm 0 87 inch for the thread length when removing the covers 2 Not with flameproof enclosure type of protection 3 Not for FM CS...

Page 236: ... of protection Sealing plug with valve optional Process connection 18 NPT IEC 61518 Clearance for rotating the enclosure 1 In addition allow approx 22 mm 0 87 inch for the thread length when removing the covers 2 Not with flameproof enclosure type of protection 3 Not for FM CSA is XP type of protection 4 74 mm 2 9 inch for PN 420 MAWP 6092 psi 5 91 mm 3 6 inch for PN 420 MAWP 6092 psi 6 226 mm 8 6...

Page 237: ...2 3 Cover over buttons and nameplate with general information Blanking plug Safety catch only for flameproof enclosure type of protection Connection end Electronics side display longer for cover with inspection window 1 Locking screw Harting adapter 1 In addition allow approx 22 mm 0 87 inch for the thread length when removing the covers Dimension drawings 14 3 SITRANS P 320 P420 for level SITRANS...

Page 238: ...ion end Electrical connection M20 x 1 5 gland 14 NPT gland Han 7D Han 8D plug2 3 M12 connector2 3 Cover over buttons and nameplate with general information Blanking plug Safety catch only for flameproof enclosure type of protection Process connection 1 In addition allow approx 22 mm 0 87 inch for the thread length when removing the covers 2 Not with flameproof enclosure type of protection 3 Not fo...

Page 239: ...mbination 14 4 2 Connections as per EN and ASME Flange according to EN EN 1092 1 DN PN D H2 25 40 115 mm 4 5 Approx 52 mm 2 40 40 150 mm 5 9 40 100 170 mm 6 7 50 16 165 mm 6 5 50 40 165 mm 6 5 80 16 200 mm 7 9 80 40 200 mm 7 9 Threaded connections G3 4 G1 and G2 In accordance with DIN 3852 DN PN D H2 60 37 mm 1 5 approx 45 mm 1 8 1 60 48 mm 1 9 approx 47 mm 1 9 2 60 78 mm 3 1 Approx 52 mm 2 Dimens...

Page 240: ...5 mm 10 0 14 4 3 F B and pharma flange Connections as per DIN DIN 11851 DN PN D H2 50 25 92 mm 3 6 Approx 52 mm 2 80 25 127 mm 5 0 DIN 11864 1 Form A sterile threaded sockets DN PN D H2 50 25 78 mm 2 Approx 52 mm 2 65 25 95 mm 3 7 80 25 110 mm 4 3 100 25 130 mm 5 1 Approvals EHEDG Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART 240 Operating Instructions 06 2018 A5E...

Page 241: ...65 16 113 mm 4 4 80 16 133 mm 5 2 100 16 159 mm 6 3 Approvals EHEDG DIN 11864 3 Form A sterile collar sockets DN PN D H2 50 25 77 5 mm 3 1 Approx 52 mm 2 65 25 91 mm 3 6 80 16 106 mm 4 2 100 16 130 mm 5 1 Approvals EHEDG Tri Clamp as per DIN 32676 DN PN D H2 50 16 64 mm 2 5 Approx 52 mm 2 65 16 91 mm 3 6 Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART Operating Inst...

Page 242: ...rox 52 mm 2 BioConnectTM connectors BioConnectTM screwed joint DN PN D H2 50 16 82 mm 3 2 Approx 52 mm 2 65 16 105 mm 4 1 80 16 115 mm 4 5 100 16 145 mm 5 7 2 16 82 mm 3 2 2 16 105 mm 4 1 3 16 105 mm 4 1 4 16 145 mm 5 7 Approvals EHEDG Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART 242 Operating Instructions 06 2018 A5E44852162 AA ...

Page 243: ...52 mm 2 65 10 90 9 mm 3 6 80 10 106 mm 4 2 100 10 119 mm 4 7 2 16 64 mm 2 5 2 16 77 4 mm 3 0 3 10 90 9 mm 3 6 4 10 119 mm 4 7 Approvals EHEDG Connect STM flanged joint DN PN D H2 50 16 125 mm 4 9 Approx 52 mm 2 65 10 145 mm 5 7 80 10 155 mm 6 1 100 10 180 mm 7 1 2 16 125 mm 4 9 2 10 135 mm 5 3 3 10 145 mm 5 7 4 10 180 mm 7 1 Approvals EHEDG Dimension drawings 14 4 SITRANS P320 P420 front flush SIT...

Page 244: ...4 4 4 PMC Style Connections for the paper industry PMC Style Standard DN PN D H2 40 9 mm 1 6 Approx 36 8 mm 1 4 M44x1 25 cap nut PMC Style Minibolt DN PN D H2 26 3 mm 1 0 Approx 33 1 mm 1 3 Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART 244 Operating Instructions 06 2018 A5E44852162 AA ...

Page 245: ... SMS connectors SMS sockets with union nut DN PN D H2 2 25 84 mm 3 3 Approx 52 mm 2 1 2 25 100 mm 3 9 3 25 114 mm 4 5 SMS threaded sockets DN PN D H2 2 25 70 x 1 6 mm 2 8 Approx 52 mm 2 1 2 25 85 x 1 6 mm 3 3 3 25 98 x 1 6 mm 3 9 Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART Operating Instructions 06 2018 A5E44852162 AA 245 ...

Page 246: ...prox 52 mm 2 1 2 25 91 mm 3 6 3 25 106 mm 4 2 IDF threaded sockets DN PN D H2 2 25 64 mm 2 5 Approx 52 mm 2 1 2 25 77 5 mm 3 1 3 25 91 mm 3 6 Dimension drawings 14 4 SITRANS P320 P420 front flush SITRANS P320 P420 mA HART 246 Operating Instructions 06 2018 A5E44852162 AA ...

Page 247: ...ct If you have additional questions about the device please contact your Siemens personal contact at Partner http www automation siemens com partner To find the personal contact for your product go to All Products and Branches and select Products Services Industrial Automation Process Instrumentation Documentation You can find documentation on various products and systems at Instructions and manua...

Page 248: ...one the QR code provides a direct link to a website with information specific to the device such as manuals FAQs certificates etc A 4 Checklist for Functional Safety You can use this checklist to document the steps for enabling Functional Safety Step 1 User PIN Change preset user PIN 2457 Setting range 1 to 65535 Yes No Appendix A 4 Checklist for Functional Safety SITRANS P320 P420 mA HART 248 Ope...

Page 249: ...l data Page 191 S4 Upper range value The value is within the measuring limits You can find information on the rating plate of the device or in the section Technical data Page 191 S5 Application Linear proportional to pressure PRESS Linear proportional to level LEVEL Proportional to flow rate two step linear up to the application point VSLN2 or MSLN2 Fingerprint only if Functional Securi ty is enab...

Page 250: ...Appendix A 4 Checklist for Functional Safety SITRANS P320 P420 mA HART 250 Operating Instructions 06 2018 A5E44852162 AA ...

Page 251: ...t for gauge pressure inH2O 60 F inW60 inches of water at 60 F inH2O 4 C inW4 inches of water at 4 C inH2O inW68 inches of water at 68 F inH2O 4 C mmW4 millimeters of water at 4 C mmH2O mmW68 millimeters of water at 68 F FtH2O FtW68 feet of water at 68 F inHg inHG inches of mercury at 0 C mmHg mmHG millimeters of mer cury at 0 C g cm G cm2 grams per cm2 lb Pound Unit of weight psi PSI pounds per sq...

Page 252: ...ower end of the set measuring span MA Start of scale value Lower end of the set measuring span ME Full scale value Upper end of the set measuring span MAWP Engl Maximum Allowable Working Pressure PS Maximum permissible operating pressure NFPA National Fire Protection Association US American Fire Protection Organization F B Food and beverage industry PDM Engl Process Device Manager Tool for communi...

Page 253: ...power supply Dangerous failure Failure with the potential to switch a safety instrumented system to a hazardous or non functioning safety state EEPROM EEPROM Electrically Erasable Programmable Read Only Memory a non volatile electronic memory module EEPROMs are often used where individual bytes of data e g configuration data or runtime meters change over time and must be stored safely in the event...

Page 254: ...eying HART HART Highway Addressable Remote Transducer is a standardized widely used communications system used to structure industrial fieldbusses The communications system provides digital communications for multiple participants field devices via a common databus HART is based especially on the equally widely used 4 20 mA standard for the transfer of analog sensor signals The cabling from existi...

Page 255: ... Sensor Converter that converts mechanical or other non electric variables into electrical signals SIL The international standard IEC 61508 defines four discrete safety integrity levels SIL from SIL 1 to SIL 4 Each level corresponds to a probability range for the failure of a safety function The higher the SIL of the safety instrumented system the higher the probability that the required safety fu...

Page 256: ...of the sum of the squares of the three deviations resulting from the influence of the static pressure the temperature and the characteristic deviation TP Total Performance Glossary SITRANS P320 P420 mA HART 256 Operating Instructions 06 2018 A5E44852162 AA ...

Page 257: ... sunlight 42 Disassembly 54 Display 70 DISPLAY TEST 75 Document history 15 Documentation 247 E Edit view 76 EHEDG 239 Electromagnetic compatibility 220 221 222 223 EMC 220 221 222 223 ETEMP 123 F Fail safe behavior 154 FAULT CURR 75 Filling liquid 31 34 36 Fingerprint 165 Flange 46 FLAT 108 FUNCT SAFETY 75 Function chart 32 H HALF 108 HART Modem 38 Hazardous area Laws and directives 19 Qualified p...

Page 258: ...MWP See MAWP N Nameplate 26 O Operating Instructions 247 Overview of parameters and functions 97 P PARAB 108 PARAE 108 PARAM INVALID CFG 190 Parameter view 74 PIN RECOVERY 75 PRESS 108 PRESS UNITS 74 PRESSURE REF 75 Pressure reference 101 Pressure units 101 Process connection 25 Q QR code label 248 Qualified personnel 21 Quick start wizard 97 R RECOVERY ID 75 Remote seal Description 37 Install 50 ...

Page 259: ...er Personal contact 247 TEMP 123 TEMP UNITS 75 Test certificates 19 TRNFK INVALID CFG 190 U UP FAULT CUR 75 UPPER RANGE 74 UPPER SCALNG 75 Useful lifetime 156 USER 123 User PIN 134 Factory setting 131 V Vent valve 93 95 VESSEL DIM A 75 VESSEL DIM L 75 VFLOW 123 VFLOW UNITS 75 VLIN 108 VOL 123 VOL UNITS 75 VSL2B 108 VSLN 108 VSLN2 108 VSOFF 108 W Warranty 17 Write protection 79 Z ZERO POINT 75 Inde...

Page 260: ...Index SITRANS P320 P420 mA HART 260 Operating Instructions 06 2018 A5E44852162 AA ...

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