Siemens SITRANS P300 Operating Instructions Manual
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Siemens SITRANS P300 Operating Instructions Manual

With hart communication
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See also: Operating Instructions Manual
Operating Instructions Edition 06/2005
Transmitter
SITRANS P300
with HART communication
pressure
measurement

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Summary of Contents for Siemens SITRANS P300

  • Page 1 Operating Instructions Edition 06/2005 Transmitter SITRANS P300 with HART communication pressure measurement...
  • Page 3 Introduction General safety instructions Description Pressure measurement technology Installation Transmitter SITRANS P300 with HART Connecting communication Operation Operating Instructions Operating functions via HART Commissioning Specifications Dimension drawings Appendix List of Abbreviations/Acronyms 06/2005 A5E00359579-02...

  • Page 4: A5E00359579

    Trademarks All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.

  • Page 5: Table Of Contents

    Information for installing level version..................4-5 4.3.2 Installation for level ........................4-6 Connecting ............................. 5-1 Connection safety information ....................5-1 Connecting the transmitter......................5-2 Operation..............................6-1 Overview of operation ........................ 6-1 Safety information for operation....................6-2 SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 6 Scaling of the digital display value ................... 7-15 Setting zero point and limit point....................7-16 Blind setting of zero point and limit point ................. 7-17 Zero point calibration (position correction)................7-17 Electrical damping........................7-18 SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 7 Introduction to commissioning ....................8-2 Commissioning with steam or liquid ..................8-3 Commissioning for gases......................8-4 Specifications ............................9-1 SITRANS P300 gauge pressure / absolute pressure ..............9-1 SITRANS P300 gauge pressure / absolute pressure (flush-mounted)........9-5 Dimension drawings ..........................10-1 10.1 SITRANS P300 gauge pressure / absolute pressure ..............
  • Page 8 Meaning of the HART lock modes ................... 7-20 Table 7-3 Parameter of the limit monitor ....................7-34 Table 7-4 Parameters of the event counter....................7-35 Table B-1 Variables ............................B-1 Table B-2 Units ............................B-1 Table B-3 Other abbreviations........................B-1 SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 9: Introduction

    The contents of these instructions shall not become part of or modify any prior or existing agreement, commitment or relationship. All commitments on the part of Siemens AG are contained in the respective sales contract which also contains the complete and solely applicable warranty conditions.
  • Page 10 "See also". Offices If you need more information or have particular problems which are not covered sufficiently by the operating instructions, contact your local Siemens office. You will find your local Siemens office on the Internet under: www.siemens.de/prozessinstrumentierung Click on "Contact"...

  • Page 11: General Safety Instructions

    For example, in Germany these are: • Operational safety regulations • Directive for the installation of electrical systems in hazardous areas DIN EN 60079-14 (previously VDE 0165, T1) SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 12: Measures

    The damage to a module as a result of overvoltage cannot usually be detected immediately. It may only become apparent after a long period of operation. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 13: Qualified Personnel

    • For explosion-proof devices: Training or instruction/authorization in carrying out work on electrical circuits for hazardous systems. • Training and instruction in maintenance and use of adequate safety equipment according to safety regulations. • Should be trained in first aid. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 14 General safety instructions 2.5 Qualified Personnel SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 15: Description

    • PC with HART modem, on which appropriate software is available, e.g. SIMATIC PDM • Control system which is able to communicate via the HART protocol, e.g. SIMATIC S7 with ET 200M SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 16: Applications

    The "intrinsically-safe" EEx version of the transmitter can be installed in hazardous areas (zone 1). The devices have an EC type examination certificate and comply with the appropriate harmonized European CENELEC standards . SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 17: Operation

    You can operate the basic settings of the pressure transmitter using the buttons on the device. The entire range of settings can be operated via HART communication. Structure Overview The device comprises: • Electronics • Housing • Measuring cell SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 18 Depending on the version of the device, the measuring cell with the process connection may differ from the one shown in the diagram. See also Safety information for installation (Page 4-1) SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 19: Structure Of The Nameplate

    This chapter describes how the transmitter works. First the electronics are described, then the physical principle of the sensors which are used with the various device versions for the individual measurement types. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 20: Operation Of The Electronics

    (9), you can track the mode settings and other messages on it. The basic mode settings can be changed with a computer via the HART modem (7). SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 21: Measuring Cell Operation

    If the measurement signal fails because of sensor breakage, the seal diaphragm may also be destroyed. In the worst case, the process medium escapes at the process connection in devices for gauge pressure with a span of ≤ 63 bar. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 22 The change in the resistance causes a bridge output voltage proportional to the input pressure. The transmitters with spans ≤ 63 bar measure the input pressure against atmosphere, those with spans ≥ 160 bar against vacuum. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 23 The change in the resistance causes a bridge output voltage proportional to the input pressure. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 24 The change in the resistance causes a bridge output voltage proportional to the input pressure. Transmitters with spans ≤ 63 bar measure the input pressure against atmosphere, those with spans ≥ 160 bar against vacuum. SITRANS P300 with HART communication 3-10 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 25 The change in the resistance causes a bridge output voltage proportional to the input pressure. SITRANS P300 with HART communication 3-11 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 26 Description 3.6 Mode of operation SITRANS P300 with HART communication 3-12 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 27: Installation

    Installation Safety information for installation Requirement The SITRANS P300 transmitter can be installed in different application areas. Depending on the area of application and the system configuration, there may be differences in the installation. Warning Protection against incorrect use of the measuring device Take particular care to ensure that the selected materials for the wetted parts are suitable for the process media used.
  • Page 28 Under these operating conditions, the transmitter may only be used for such combustible gases and liquids for which the seal diaphragm is sufficiently resistant to chemicals and corrosion. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 29: Installing Gauge And Absolute Pressure Versions

    The transmitter may in principle be configured above or below the pressure tapping point. The recommended configuration depends on the medium. Installation configuration for gases Install the transmitter above the pressure tapping point. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 30: Installation For Gauge And Absolute Pressure

    Procedure To install the transmitter for pressure or absolute pressure, proceed as follows: Attach the transmitter to the process connection with an appropriate tool. See also Introduction to commissioning (Page 8-2) SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 31: Installation For Level Version

    Compare the desired operating data with the data on the nameplate. Notice The housing may only be opened for maintenance, local operation or to make electrical connections. Installation configuration The transmitter can only be used in non-pressurized vessels for level. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 32: Installation For Level

    4.3.2 Installation for level Note Seals are required for the installation. Seals are not included in the delivery. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 33 Ensure that the seal is centrically positioned and that it does not restrict the movement of the flange's seal diaphragm in any way as otherwise the tightness of the process connection is not guaranteed. 2. Screw on the transmitter's flange. 3. Observe the installation position. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 34 Installation 4.3 Installation for level version SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 35: Connecting

    Directive for the installation of electrical systems in hazardous areas DIN EN 60079-14 (previously • VDE 0165, T1) If auxiliary power is required, check that it corresponds with that on the nameplate and with the test certification valid for your country. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 36: Connecting The Transmitter

    Connect a load of at least 230 ohms into the signal circuit in sequence in order to guarantee fault- • free HART communication. When using supply isolation for SMART transmitters, for example: Siemens 7NG4021 a load is already installed in the device. Connecting the transmitter Requirement...
  • Page 37 If you have a plastic steel cable gland, place the shield on the shield support (2A). The shield support is electrically connected with the housing. 6. Screw the cover back into place. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 38 Connecting 5.2 Connecting the transmitter SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 39: Operation

    Overview of operating functions You can operate the basic settings of the pressure transmitter using the buttons on the device. The entire range of settings can be operated via HART communication. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 40: Safety Information For Operation

    If you have set the basic functions of the pressure transmitter as user defined, the display and measurement output terminal can be adjusted such that the true process pressure is not reproduced. The basic variables should therefore be checked prior to commissioning. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 41: Information On Operation

    However, it is possible to read data, e.g. measured values, at any time. Note If more than 2 minutes has passed since the last button was pressed, the setting is automatically saved and the device automatically returns to the measured value display. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 42: Digital Display

    The displays Violation of lower limit (5) and Violation of upper limit (7) are also referred to as statuses as they have meanings dependent on the settings. If the communication display (8) flashes, this indicates active communication with, for example, a HART communicator. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 43: Units Display

    The status of one of the device variables changes to • "UNCERTAIN". "SIMULATION" Is always displayed when the simulation of a pressure value or temperature value is active. See also Measured value status (Page 7-10) SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 44: Error Display

    Event counter for limit values exceeded – Calibration time expired – Current saturation reached – the status of one of the device variables is • "BAD". "SENSOR BREAK" Appears when there is a sensor break. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 45: Mode Display

    Blind adjusting zero point exceeds of the upper sensor exceeds of the lower sensor limit limit SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 46: Overflow Range

    Violations of the measured value limits are displayed on the digital display with Note The setting of the overflow range and the fault current range can be freely selected via HART communication. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 47: Local Operation

    The number of functions is limited if the device does not have a digital display. Control elements Figure 6-5 Position of keys and digital display Digital display Keys Test connector SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 48: Table 6-1 Operating Functions

    Switch off with the <MODE> key. Output current in case Switching between lower fault selected output current possible: Fault of fault lower fault current current current limits adjusted by user and upper fault current. SITRANS P300 with HART communication 6-10 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 49: Local Operation Without Digital Display

    Setting/adjusting zero point/limit point without digital display You can set or adjust the zero and limit points without a digital display. Further modes can no longer be selected. SITRANS P300 with HART communication 6-11 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 50: Operating Via Keys

    3. Press the <UP> or <DOWN> key until the desired value is displayed. 4. Press the <MODE> key. This saves the values and the device then jumps to the next mode. 5. Screw the cover back into place. SITRANS P300 with HART communication 6-12 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 51: Zero Point/Limit Point

    Setting the zero point does not change the span. Setting the limit point does not change the zero point. The zero point should therefore be set first, then the limit point. SITRANS P300 with HART communication 6-13 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 52 If there is 14 bar input pressure, the transmitter produces an output current of 20 mA. D The output current can be calculated for any input pressure using the "current calculation formula for setting". SITRANS P300 with HART communication 6-14 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 53 Current to be adjusted with MA Old limit point target actual Current to be adjusted with ME New zero point target target Pressure New limit point target Existing reference pressure SITRANS P300 with HART communication 6-15 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 54 With a marked elevation of the zero point, the limit point must therefore previously be reduced such that it still lies within the permitted range after elevation of the zero point. SITRANS P300 with HART communication 6-16 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 55: Setting/Adjusting Zero Point

    2. Press the keys <UP> and <DOWN> simultaneously. The device has set the zero point to 4 mA. 3. When you release the keys, the device automatically saves the adjusted value. SITRANS P300 with HART communication 6-17 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 56: Setting/Adjusting Limit Point

    4. Save with the <Mode> key. Adjusting limit point If you do not set the output current, but continually adjust it, you must mathematically calculate the currents to be adjusted. SITRANS P300 with HART communication 6-18 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 57: Setting/Adjusting Electrical Damping

    0 seconds. Adjusting means that the time constant is adjusted in 0.1 second steps between 0 and 100 seconds. This electrical damping also acts as the device's own basic damping. SITRANS P300 with HART communication 6-19 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 58 1. Set mode 4. 2. Adjust the desired damping. 3. Save with the <MODE> key. Result Electrical damping has been adjusted to the desired time constant. See also Operating via keys (Page 6-12) SITRANS P300 with HART communication 6-20 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 59: Blind Zero Point/Limit Point

    The measuring range is from 0 to 16 bar. You are changing the zero point from 0 to 2 bar and the limit point from 16 to 14 bar. The span is then 12 bar. SITRANS P300 with HART communication 6-21...

  • Page 60: Blind Setting The Zero Point

    See also Unit (Page 6-33) 6.5.6.2 Blind setting the zero point Introduction Blind setting resets the zero point to the lower sensor limit. SITRANS P300 with HART communication 6-22 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 61: Blind Setting The Limit Point

    Requirement You are familiar with the correct operation of the transmitter and the associated safety information. There is no reference pressure and you have selected a pressure unit. SITRANS P300 with HART communication 6-23 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 62: Blind Adjusting Zero Point

    To blind adjust the pressure value of the zero point, proceed as follows: 1. Set mode 5. 2. Adjust the pressure value of the zero point. 3. Save with the <MODE> key. See also Operating via keys (Page 6-12) SITRANS P300 with HART communication 6-24 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 63: Blind Adjusting Limit Point

    The device type determines the way in which you proceed. SIMATIC PDM or the HART Communicator will display the total of all zero point corrections. SITRANS P300 with HART communication 6-25 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 64: Current Sensor

    Then the current no longer corresponds to the process variable. The following output currents can be adjusted irrespective of the input pressure: • 3.6 mA • 4.0 mA • 12.0 mA SITRANS P300 with HART communication 6-26 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 65: Output Current In Case Of Fault

    You are familiar with the correct operation of the transmitter and the associated safety information. Procedure To change the fault current, proceed as follows: 1. Set mode 9. 2. Select the fault current. 3. Save with the <MODE> key. SITRANS P300 with HART communication 6-27 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 66 NAMUR recommendation NE43 of Jan 18 1994: "Standardization of the signal level for the breakdown information of digital transmitters with analog output signal" See also Operating via keys (Page 6-12) SITRANS P300 with HART communication 6-28 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 67: Locking Keys

    You are familiar with the correct operation of the transmitter and the associated safety information. Note Check the measured value display function to see whether the desired setting is displayed. SITRANS P300 with HART communication 6-29 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 68: Releasing Key Or Function Lock

    Set "lin" with gauge and absolute pressure transmitters, as other characteristic curves are reserved for differential pressure. Requirement You are familiar with the correct operation of the transmitter and the associated safety information. SITRANS P300 with HART communication 6-30 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 69: Inset Point Of The Root Extraction Characteristic Curve

    You are familiar with the correct operation of the transmitter and the associated safety information. Procedure To deactivate mode 12, proceed as follows: • Set mode 11. • Select the "lin" type of characteristic curve. • Save with the <Mode> key. SITRANS P300 with HART communication 6-31 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 70: Measured Value Display

    To select the display type, proceed as follows: 1. Set mode 13. 2. Select the measured value display. 3. Save with the <Mode> key. See also Operating via keys (Page 6-12) Measured value display (Page 7-21) SITRANS P300 with HART communication 6-32 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 71: Unit

    Gcm2 Kg/cm KGcm2 KPa² mm mercury column mmHG mm water gauge (20°C/68°F) mmH2O Foot water gauge (20°C/68°F) FTH2O Inch mercury column in_HG Inch water gauge (20 °C/68 °F) InH2O SITRANS P300 with HART communication 6-33 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 72: Table 6-8 Unit For Volumes Measured Value Display

    Unit for mass measured value display Unit Display Gram Kilogram Tons Short tons STon Long tons lTon Pounds Ounces Table 6-10 Unit for level measured value display Unit Display Foot Inch inch SITRANS P300 with HART communication 6-34 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 73 Unit for temperature measured value display Unit Display ° Celsius ° / C ° Fahrenheit ° / F Kelvin Rankine See also Operating via keys (Page 6-12) Selection of the physical unit (Page 7-22) SITRANS P300 with HART communication 6-35 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 74 Operation 6.5 Local operation SITRANS P300 with HART communication 6-36 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 75: Operating Functions Via Hart

    • Selecting the measurement types • Measurement type selector/mapper • Variable mapper • Measurement type "Pressure" • Measurement type "Level" • User-specific characteristic • Measurement type "User" • Measured value status • Analog output SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 76: Process Tag Data

    The parameter setting does not automatically affect the output of current. For that, you need to switch the corresponding device variable to "Primary Variable" (PV) using the "mapper". SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 77: Overview Of Measurement Types

    (4 to 20 mA). For that, you need to switch the corresponding device variable to "Primary Variable" (PV) using a "mapper". Measurement type "Pressure" => Device variable "Pressure", "Sensor temperature", "Electronics temperature", "Pressure (untrimmed)" SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 78: Variable Mapper

    Variable mapper Introduction In SITRANS P300, the dynamic variable that determines the behavior of current output is always called the Primary Variable (PV). You need to use the mapper for a number of purposes, including selecting which device variable is to be switched to PV. The variable...

  • Page 79: Customized Characteristic Curve

    The characteristic curve function requires the input of at least two and up to 30 characteristic curve vertices, entered as pairs of values x%;y%. The values for the x-coordinate are only SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 80: Measurement Type "Level

    Only then will you be given a meaningful measured value for the three device variables. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 81 In the example, the two pairs of values 0%;0% and 100%;100% are configured for the customized characteristic curve, which is also the default setting. This means that the measured value from the pressure scaling is transferred 1:1 in this example. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 82: Measurement Type "User

    The "User" measurement type is the simplest of the measurement types that you can select with the measurement type selector. Only one further device variable, "User", is activated here in addition to the four standard device variables. The variables "Level", "Volume", SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 83 In the calculation example, 0 and 2 bar are assumed. This means that with process pressure of 0.5 bar, there is an input value of 25% on the characteristic curve. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 84: Measured Value Status

    UNCERTAIN. A measured value becomes BAD, on the other hand, when a variable with status BAD was the initial value for the calculation. The basic measured values for pressure and the temperatures become BAD if e.g. the analog-to-digital converter is not working or SITRANS P300 with HART communication 7-10 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 85 BAD follows as next highest and UNCERTAIN as the third highest priority. Figure 7-6 Device status dependency Device Variable Zero value Primary Variable Limit value Secondary Variable Tertiary Variable Quarternary Variable SITRANS P300 with HART communication 7-11 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 86: Table 7-1 Events Which Result In A Change Of Status

    Mass flow DV5 = BAD When DV0 DV5= DV not active DV5 = HIGH DV5 = LOW rate is simulated UNCERTAIN LIMIT LIMIT DV5 = (not absolute CONSTANT and gauge pressure) SITRANS P300 with HART communication 7-12 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 87: Analog Output Block

    12 to 18 m. This downscaling has no effect on the previous block scaling. In this case, a current of 4 mA is output for a measured height of 12 m, and a current of 20 mA for 18 m. SITRANS P300 with HART communication 7-13 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 88 Analog output scaling Device Variable Zero value Primary Variable Limit value Secondary Variable Tertiary Variable Quarternary Variable Description of measurement type "Level" Figure 7-8 Analog output block Zero value Pressure Limit value SITRANS P300 with HART communication 7-14 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 89: Scaling Of The Digital Display Value

    In the example, zero point with 0 m and limit point with 10 m are assumed in measurement type "Level". With a process pressure of 0.4 bar, 2 m is displayed. SITRANS P300 with HART communication 7-15 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 90: Setting Zero Point And Limit Point

    Communicator. You can use this function to realize rising or falling characteristic curves. The pressure unit can be set separately for the display and for HART communication. See also The difference between setting and adjusting (Page 6-13) SITRANS P300 with HART communication 7-16 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 91: Blind Setting Of Zero Point And Limit Point

    With an upstream pressure of 100 mbar, the effective measuring range of a 1-bar transmitter is reduced to a point between 0 and 0.9 bar. See also Trimming of the sensor trim point (Page 7-23) SITRANS P300 with HART communication 7-17 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 92: Electrical Damping

    SIMATIC PDM or the HART Communicator. Reference NAMUR recommendation NE43 of Jan 18 1994: "Standardization of the signal level for the breakdown information of digital transmitters with analog output signal" SITRANS P300 with HART communication 7-18 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 93: Setting The Current Limits

    Upper fault current value (default value) Recommended setting range for lower fault current range and lower control range limit Recommended setting range for upper fault current range and upper control range limit SITRANS P300 with HART communication 7-19 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 94: Key Lock And Write Protection

    The device can be operated by means of HART communication. Write protection You can now only release the lock using HART communication. See also Locking keys (Page 6-29) Releasing key or function lock (Page 6-30) SITRANS P300 with HART communication 7-20 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 95: Measured Value Display

    The change of the display with GAUGE or ABS does not change the physical pressure used by the transmitter, rather only the nature of the display. See also Measured value display (Page 6-32) SITRANS P300 with HART communication 7-21 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 96: Selection Of The Physical Unit

    Devices that are not turned down prior to delivery are trimmed at 0 bar and the upper limit of the nominal range; devices that are turned down prior to delivery are trimmed at the lower and upper limits of the set pressure measuring range. SITRANS P300 with HART communication 7-22 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 97: Trimming Of The Sensor Trim Point

    A gradient correction is thereby applied to the characteristic curve. The lower sensor trim point is not affected by this. The upper trim point needs to be greater than the lower trim point. SITRANS P300 with HART communication 7-23 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 98: Current Sensor Trim

    Use the current sensor trim menu option to instruct the transmitter to output 20 mA. Read the measured value from the ammeter and enter it, via SIMATIC PDM for example. The SITRANS P300 with HART communication 7-24 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 99: Factory Calibration

    Characteristic curve after current sensor trim 4 mA Characteristic curve after current sensor trim 20 mA 7.19 Factory calibration Introduction You can use factory calibration to reset the transmitter to the factory state. SITRANS P300 with HART communication 7-25 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 100: Static Configuration Data

    • O-ring material • Remote seal • Remote seal diaphragm material • Number of remote seals • Sensor filling medium • Sensor seal diaphragm material • Transmitter model • Casing material SITRANS P300 with HART communication 7-26 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 101: Diagnostic Functions

    • Simulation of measured pressure and temperature values • Limit monitoring of all device variables The diagnostics strategy employed for SITRANS P300 incorporates a diagnostic warning and a diagnostic interrupt for diagnostic functions for monitoring limit values, e.g. for monitoring current saturation. This warning and interrupt can be configured: •...

  • Page 102: Operating Hours Counter

    • "Acknowledge" resets the warning/interrupt message, but allows the timer to keep running. In this state, a new interrupt or warning is not possible since the time limits have already been exceeded. SITRANS P300 with HART communication 7-28 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 103: Min/Max Pointer

    Consequently, the values are available even after the device is restarted. The min/max pointers are also updated during a simulation. Figure 7-14 Basic representation of min/max pointers Pressure Time SITRANS P300 with HART communication 7-29 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 104: Limit Modules

    In the third example, the current only exceeds the lower saturation limit for a short time. The fault current is not switched off until after the end of the stop time (t SITRANS P300 with HART communication 7-30 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 105 Operating functions via HART 7.21 Diagnostic functions Figure 7-15 Saturation monitoring with saturated interrupt value Figure 7-16 Saturation monitoring with active interrupt value at top SITRANS P300 with HART communication 7-31 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 106: Simulation

    You can simulate the pressure and both temperature values. It should be noted here that changing the temperatures by simulation will have no effect on the measured pressure value. SITRANS P300 with HART communication 7-32 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 107: Simulation With A Ramp Function

    The output value for the current adjusts itself in accordance with the preset pressure value. Simulation of the temperature values has no effect on the current output. It can only be observed via HART communication. SITRANS P300 with HART communication 7-33 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 108: Limit Monitor

    The time for which a limit interrupt or warning will always be sustained even when the event which triggered it is no longer present. Figure 7-18 Trip levels for the limit monitor SITRANS P300 with HART communication 7-34 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 109: Table 7-4 Parameters Of The Event Counter

    Here you can reset the lower limit counter to zero. A new event is not possible until the counter has been reset. Warning/interrupt acknowledgement Here you can acknowledge each warning or interrupt separately. Figure 7-19 Limit monitor and event counter SITRANS P300 with HART communication 7-35 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 110 Operating functions via HART 7.23 Limit monitor Messages from the limit monitor and from the event counter can be acknowledged separately. Resetting the event counter starts a new monitoring interval. SITRANS P300 with HART communication 7-36 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 111: Commissioning

    This is not necessary with intrinsically safe devices or devices with "nL" – "limited energy" protection. Warning Tightness Use cable with a cable diameter of 7 to 12 mm for the IP65 or IP68 protection rating. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 112: Instructions For Commissioning

    Even in the case of a customer-specific setting configured in the factory, the zero point and the limit point will appear on the nameplate. If need be, you can change the parameters by simple user operations on the device even during commissioning. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 113: Commissioning With Steam Or Liquid

    (1). 3. Check the zero point. 4. If the zero point differs from the value desired, correct it. 5. Close the shut-off valve for the test connection (2B). SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 114: Commissioning For Gases

    7. Open the shut-off valve to the process (2A). Commissioning for gases Overview Usual arrangement Special arrangement Measuring gases above the pressure tapping Measuring gases below the pressure tapping point point SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 115 4. If the zero point differs from the value desired, correct it. 5. Close the shut-off valve for the test connection (2B). 6. Open the shut-off valve (4) at the pressure tapping point. 7. Open the shut-off valve to the process (2A). SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 116 Commissioning 8.5 Commissioning for gases SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 117: Specifications

    Specifications SITRANS P300 gauge pressure / absolute pressure Specifications Gauge pressure input Measured variable Gauge pressure Measuring span Maximum permissible operating pressure 8 … 250 mbar g (0.12 … 3.6 psi g) • 2 bar g (29 psi g) 0.01 … 1 bar g (0.15 … 14.5 psi g) •...
  • Page 118 Specifications 9.1 SITRANS P300 gauge pressure / absolute pressure Absolute pressure input 1 … 30 bar a (14.5 … 435 psi a) • 45 bar a (653 psi a) Lower measuring limit Measuring cell with silicone oil • 0 mbar a (0 psi a)
  • Page 119 Specifications 9.1 SITRANS P300 gauge pressure / absolute pressure Measuring accuracy Influence of ambient temperature As percentage at -10 … +60 °C (14 … 140 °F) • ≤ (0.1 • r +0.2) % at -40 … -10 °C and +60 … +85 °C •...
  • Page 120 Specifications 9.1 SITRANS P300 gauge pressure / absolute pressure Design Electronics housing • Electropolished stainless steel, mat. no. 1.4301 Silicone oil Measuring cell filling • Inert liquid • G½A as per DIN EN 837-1 Process connection • Internal thread ½-14 NPT •...

  • Page 121: Sitrans P300 Gauge Pressure / Absolute Pressure (Flush-Mounted)

    Specifications 9.2 SITRANS P300 gauge pressure / absolute pressure (flush-mounted) Communication HART communication 230 … 1100 Ω Protocol HART Version 5.x Software for computer SIMATIC PDM See also SITRANS P300 gauge pressure / absolute pressure (Page 10-1) SITRANS P300 gauge pressure / absolute pressure (flush-mounted)
  • Page 122 Specifications 9.2 SITRANS P300 gauge pressure / absolute pressure (flush-mounted) Output Load Resistor R [Ω] Without HART communication Auxiliary power With HART communication HART Communicator • R =230 … 500 Ω SIMATIC PDM • R =230 … 1100 Ω Characteristic curve...
  • Page 123 Specifications 9.2 SITRANS P300 gauge pressure / absolute pressure (flush-mounted) Operating conditions Installation conditions Ambient temperature Observe the temperature class in areas subject to explosion hazard. Measuring cell with silicone oil • -40 °C … +85 °C (-40 °F … 185 °F) Digital display •...
  • Page 124 Software for computer SIMATIC PDM See also PMC Style (Page 10-7) SITRANS P300 gauge pressure / absolute pressure (flush-mounted) (Page 10-2) Flanges as per EN and ASME (Page 10-3) F&B and pharma flange (Page 10-4) Bioconnect/Biocontrol (Page 10-5) SITRANS P300 with HART communication...

  • Page 125: Dimension Drawings

    Dimension drawings 10.1 SITRANS P300 gauge pressure / absolute pressure Figure 10-1 SITRANS P300 with oval flange SITRANS P300 with HART communication 10-1 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 126: Sitrans P300 Gauge Pressure / Absolute Pressure (Flush-Mounted)

    SITRANS P300 gauge pressure / absolute pressure (flush-mounted) Figure 10-2 SITRANS P300 (flush-mounted) The diagram shows a SITRANS P300 with an example of a flange. In this drawing the height is subdivided into H and H Height of the SITRANS P300 up to a defined cross-section...

  • Page 127: Flanges As Per En And Asme

    Approx. 53 mm (2.1'') 190 mm (7.5'') Approx. 53 mm (2.1'') 210 mm (8.1'') Approx. 54 mm (2.1'') 230 mm (9.1'') Approx. 53 mm (2.1'') 255 mm (10.0'') Approx. 57 mm (2.2'') SITRANS P300 with HART communication 10-3 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 128: F&B And Pharma Flange

    DIN 11864-3 ⊘D 50,5 mm (2'') Approx. 49 mm (1.9'') 64 mm (2.5'') Approx. 49 mm (1.9'') 77,5 mm (3.1'') Approx. 49 mm (1.9'') 130 mm (5.1'') Approx. 49 mm (1.9'') SITRANS P300 with HART communication 10-4 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 129: Bioconnect/Biocontrol

    145 mm (5.7'') Approx. 57 mm (2.2'') Bioconnect flange connector ⊘D 85 mm (3.3'') Approx. 48 mm (1.9'') 110 mm (4.3'') Approx. 48 mm (1.9'') 175 mm (6.9'') Approx. 48 mm (1.9'') SITRANS P300 with HART communication 10-5 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 130 Approx. 47 mm (1.9'') 110 mm (4.3'') Approx. 47 mm (1.9'') 140 mm (5.5'') Approx. 47 mm (1.9'') 150 mm (5.9'') Approx. 47 mm (1.9'') 175 mm (6.9'') Approx. 47 mm (1.9'') SITRANS P300 with HART communication 10-6 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 131: Pmc Style

    Connections for the paper industry PMC Style Standard ⊘D – – 40.4 mm (1.6'') Approx. 36.8 mm (1.4'') M44x1.25 cap nut PMC-Style Minibolt ⊘D – – 26.3 mm (1'') Approx. 33.1 mm (1.3'') SITRANS P300 with HART communication 10-7 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 132 Dimension drawings 10.6 PMC Style SITRANS P300 with HART communication 10-8 Operating Instructions, 06/2005, A5E00359579-02...

  • Page 133: Appendix

    Appendix Overview of HART operating structure The following overview applies to the HART communicator operating structure.. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 134: A.1 Overview Of Hart Operating Structure

    1 Input scaling 1 Pres abs/rel e.g. Level 2 Pressure unit 3 Input LRV 4 Input URV 2 Level scaling 1 Level unit e.g. Level scaling 2 Level LRV 3 Level URV SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 135 2 Upper sensor trim point 3 HART output 1 Polling address 2 Num request preambles 3 Num response preambles 4 Local meter 1 Meter type 2 Unit tracking 3 Local Display unit SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 136 3 Reset pointer --> M 3 Sens-Temp pointer 1 Sens-Temp max 2 Sens-Temp min 3 Reset pointer --> M 6 Certif & Approv 1 Explos. Protection Certif=Certification Explos = Explosion Approv=Approval SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 137: Certifications

    Pressure equipment directive The monitoring of the design, dimensioning, testing and manufacture to ensure it is in accordance with Module H (comprehensive quality assurance) by TÜV North as the appointed body. SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 138 CE symbol (CE symbols from other directives are not affected). Siemens has carried out a conformity rating, assigned a CE sym- bol, and issued a declaration of conformity for its products (pro- viding the equipment is not within the context of Article 3 Paragraph 3).
  • Page 139 110 °C and liable to overheating. • Vessel according to Article 3 Number 1.2 • Exception: pressure cooker, test procedure at least according to Category III. Figure A-2 Pressure equipment directive, sheet 2 SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 140 • Pipelines according to Article 3 Number 1.3 Letter b) First dash • Pipelines according to Article 3 Number 1.3 Letter b) Second dash Figure A-3 Pressure equipment directive, sheet 3 SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 141: Table B-1 Variables

    Pressure equipment directive HART Highway Addressable Standard protocol for the transmission of information Remote Transducer between field device and automation system Zero point Limit point F&B Food and beverage industry Process Device Manager SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...

  • Page 142: List Of Abbreviations/Acronyms

    List of Abbreviations/Acronyms B.1 Pressure transmitter abbreviations SITRANS P300 with HART communication Operating Instructions, 06/2005, A5E00359579-02...
  • Page 143 Primary variable, 6-7 Flange, 4-6 Saturation limit, 7-18 HART Serial number, 3-5 Modem, 3-1 Signal range, 6-7 LCD, 3-4 Test connector, 6-9 LCD scaling, 7-14 Load, 9-6 With HART communication, 9-2 SITRANS P300 with HART communication Index-1 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 144 Index Zero point calibration, 6-25 SITRANS P300 with HART communication Index-2 Operating Instructions, 06/2005, A5E00359579-02...
  • Page 146 @ 1 P A 5 E 0 0 3 5 9 5 7 9 @ Siemens Aktiengesellschaft A5E00359579 Automation and Drives Process Instrumentation and Analytics 76181 KARLSRUHE GERMANY www.siemens.com/processinstrumentation A5E00359579-02...

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