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•

In case of returns, ensure that the unit is free from soiling, especially dangerous and
toxic substances.

4.3.1

Cleaning and maintenance in 3-A

®

 applications

Follow these steps when cleaning the level transmitter in a 3-A compliant environment.
Regularly perform clean out of place (COP) cleaning on the level transmitter to conform to
3-A standards.

Prerequisites

Before installing the level transmitter:

•

Ensure that no pressure is applied to the system and that there is no media in the tank
that could leak.

•

Note the potential dangers related to extreme machine and medium temperatures.

Procedure

1. Remove the probe from the unit.
2. Remove O-ring from the transmitter.
3. Remove O-ring from the groove and clean it.
4. Check O-ring and groove.
5. Reassemble the level transmitter.

4.3.2

Transport

When transporting the level transmitter, follow these guidelines to avoid damage.

•

Use only appropriate packaging.

•

If installed in a tank or pipe, protect the tank or pipe and the level transmitter against
shock and vibration. Protect the probe against deflections and vibrations. If necessary,
fix at several points to prevent movement of unstable areas.

Quick Start Guide

Troubleshooting and maintenance

00825-0100-4326

January 2019

Quick Start Guide

45

Содержание Rosemount 326L

Страница 1: ...Quick Start Guide 00825 0100 4326 Rev 01 January 2019 Rosemount 326L Level Transmitter ...

Страница 2: ...2 ...

Страница 3: ...settings 29 3 4 Setup the level transmitter 30 3 5 Using the transmitter 38 3 6 Setting parameters with IO Link 40 Chapter 4 Troubleshooting and maintenance 43 4 1 Error indicators 43 4 2 Output response in different operating states 43 4 3 Maintenance 44 Chapter 5 Setting ranges 47 Chapter 6 Product certifications 49 6 1 European directive information 49 6 2 Ordinary location information 49 6 3 3...

Страница 4: ...Contents Quick Start Guide January 2019 00825 0100 4326 4 Quick Start Guide ...

Страница 5: ... incorrect use by the operator Installation electrical connection set up operation and maintenance of the product must be performed by qualified personnel authorized by the machine operator Protect units and cables against damage 1 2 Applications The level transmitter is intended to be used in food and beverage applications or applications with significant hygienic requirements The level transmitt...

Страница 6: ...er is not suitable for Bulk materials like plastic granulates and media with a very low dielectric constant like oils Applications where the probe is subjected to permanent and high mechanical stress For example fast moving viscous medium or fast flowing medium Use the level transmitter preferably with metal tanks When used with plastic tanks deterioration caused by electromagnetic interference mi...

Страница 7: ...tter generates output signals based on the output parameter settings Two outputs are available and they can be set separately OUT1 OUT1 provides a switching signal for level limit or IO Link communication See IO Link for more information OUT2 OUT2 can perform one of these functions An analog signal proportional to the level 4 20 mA or 20 4 mA Switching signal for level limit 1 4 1 Fault states Def...

Страница 8: ...SB adapter cable Detailed information about process data structure IODDs necessary for the configuration of the level transmitter diagnostic information parameter addresses and the necessary information about the required IO Link hardware and software can be found at Emerson com Rosemount 1 6 Functions The level transmitter performs the functions detailed in this section 1 6 1 Display functions Th...

Страница 9: ...one 1 I2 Inactive zone 2 1 ou2 I factory setting 2 ou2 InEG ASP2 Analog start point AEP2 Analog end point For more information about the analog output see Output response in different operating states Take note of the tolerances and accuracy limits during the evaluation of the analog signal For more information see the Product Data Sheet 1 6 3 Switching functions When using a switching output OUT1...

Страница 10: ... switching outputs and Set switch off delay for switching outputs 1 6 4 Damping function If the medium conditions are unsteady dampen the transmitter response The level transmitter uses a filter to smooth the values into a steady curve when the display and output response is dampened You can configure the damping using dAP For more information see Set damping for measured signal In the event of a ...

Страница 11: ...s The duration of a simulation can be between one minute and one hour The simulation is started manually and runs until the set duration elapses During the simulation the outputs respond according to the simulated process values For more information see Simulation Quick Start Guide Introduction 00825 0100 4326 January 2019 Quick Start Guide 11 ...

Страница 12: ...Introduction Quick Start Guide January 2019 00825 0100 4326 12 Quick Start Guide ...

Страница 13: ...er For more effective level measurement install the level transmitter vertically on the top of the tank or pipe To reduce signal interference perform a tank adjustment see Tank adjustment For more effective level measurement install the level transmitter in closed metal tanks or bypass pipes For installation instructions for open tanks see Installing in an open tank For installation instructions f...

Страница 14: ...ed see above image 2 1 2 Installation in pipes If installing the level transmitter in a pipe the conditions must meet these requirements Hygienic requirements Install only in metal pipes The internal diameter of the pipe d must meet these requirements With adjustment Without adjustment d ø 1 18 in 30 mm ø 3 94 in 100 mm with MEdI HIGH ø 7 87 in 250 mm with MEdI MId For more information see Set to ...

Страница 15: ...orrect function is set Especially in use with an empty tank 2 1 4 Fill openings Do not install the level transmitter near or in contact with a fill opening 2 1 5 Highly polluted medium If the medium is highly polluted there is a risk that a bridge forms between the probe and the tank wall or structures in the tank To avoid this increase minimum distance between the probe and the tank walls dependi...

Страница 16: ...milar Note With increased foam build up set the medium parameter MEdI to MId For instructions see Set to another medium 2 1 7 Tank adjustment Tank adjustment reduces interference and ensures a higher excess gain in difficult application conditions CAUTION Perform a tank adjustment only after installing the level transmitter When performing a tank adjustment enter an adjustment distance first Start...

Страница 17: ...maximum adjustment distance L 9 84 in or L 250 mm Tank adjustment information is not saved with IO Link After a replacement perform a tank adjustment again For more information on data storage see Unit locking and data storage 2 2 Installing the level transmitter Follow these instructions to install the level transmitter 2 2 1 Adjust the probe length If needed modify the standard probe length to a...

Страница 18: ...crew retaining compound In this case ensure that the compound is harmless because it might migrate into the medium Postrequisites Reinstall the probe by following the steps in Install the probe 2 2 2 Install the probe Install the probe onto the level transmitter to ensure accurate level readings For more information see Measuring principle Note The probe is not included with the level transmitter ...

Страница 19: ...it might migrate into the medium 5 If the probe length was modified measure and record the probe length a Precisely measure the length of the probe starting from the lower edge of the process connection b Record the length of the probe It is needed for setting up the device parameters For more information on setting the length of the probe in the device parameters see Enter probe length 2 2 3 Inst...

Страница 20: ...in the unit and mark the requested alignment Procedure 1 Lightly grease the thread of the transmitter using a lubricating paste suitable and approved for the application 2 Insert the unit into the process connection 3 Tighten it using a spanner to a torque of 25 8 ft lbs 35 Nm 2 2 4 Installing in an open tank Follow these guidelines when installing the level transmitter in an open tank Use a metal...

Страница 21: ...ces Follow these guidelines to avoid deterioration Apply a metal foil to the outside of the tank Apply a shielding screen between the level transmitter and other electronic units Install in a metal pipe only if hygienic requirements are met For more information see Installation considerations 2 2 6 Installing with 3 A standards The level transmitter is authorized to display the 3 A symbol Follow t...

Страница 22: ...al equipment Voltage supply according to EN 50178 SELV PELV CAUTION This devices requires additional surge protection for marine applications if approval is available for this device Procedure 1 Disconnect power to the level transmitter 2 Connect the unit according to these diagrams colors to DIN EN 60947 5 2 OUT1 switching output IO Link OUT2 analog output switching output BK Black BN Brown BU Bl...

Страница 23: ...le circuits 2 x positive switching 2 x negative switching 1 x positive switching 1 x analog 1 x negative switching 1 x analog Quick Start Guide Installation 00825 0100 4326 January 2019 Quick Start Guide 23 ...

Страница 24: ...Installation Quick Start Guide January 2019 00825 0100 4326 24 Quick Start Guide ...

Страница 25: ...put ou2 I or InEG is selected then switching status OUT2 on when output 2 is switched LED 8 Switching status OUT1 on when output 1 is switched 9 Enter button Open the user menu edit and confirm the parameter values 10 to 11 Arrow keys up and down Selection of the parameters Setting of the parameter values continuously by holding pressed incrementally by pressing once 12 Alphanumeric display four d...

Страница 26: ...and viewing settings Note Menu items highlighted in gray are active only after setting assigned parameters I Main Menu See Main menu options II Menu level EF See Extended functions menu options EF Operation Quick Start Guide January 2019 00825 0100 4326 26 Quick Start Guide ...

Страница 27: ...e only after selecting hysteresis function ou1 H FH1 FL1 Upper lower limit for the acceptable range within which OUT1 switches Visible only after selecting window function ou1 F ASP2 Analog start point 2 measured value at which the analog start value is provided The analog start value is set with parameter ou2 Visible only after selecting analog output ou2 I or InEG AEP2 Analog end point 2 measure...

Страница 28: ... these options Option Description ou1 Output configuration for OUT1 switching signal for level limit value Hysteresis or window function normally closed or normally open ou2 Output configuration for OUT2 analog signal for current level 4 20 mA or 20 4 mA Switching signal for level limit Hysteresis or window function normally closed or normally open dS1 Switch on delay for OUT1 dr1 Switch off delay...

Страница 29: ...meter settings The level transmitter remains in operating mode while setting new parameters It continues to monitor using the existing parameters until new parameters are set 3 3 1 Read set parameters Perform these steps to view the parameters set on the level transmitter Procedure 1 Press Enter to open the menu 2 Press the up or down button to scroll through the set parameters 3 Press Enter again...

Страница 30: ...ntentional changes to the parameters By default the menu is unlocked When the menu is locked it briefly displays Loc when you attempt to change a parameter value Prerequisites The level transmitter must be in normal operating mode Procedure 1 Press and hold the up and down buttons simultaneously for 10 seconds The menu is locked and it displays Loc 2 To unlock the menu press and hold the up and do...

Страница 31: ...educes the effect of interference and ensures a higher excess gain in difficult application conditions For more information on tank adjustments see Tank adjustment Prerequisites The tank adjustment menu option tREF appears only if the set probe length is greater than or equal to 10 24 in 260 mm Procedure 1 Select tREF from the menu The display shows nonE or the value set by a previous tank adjustm...

Страница 32: ...rement during operation mode For more information on setting the default unit see Configure the display Procedure 1 Press up or down The display shows the level measurement in a different unit of measurement 2 Press up or down again to return it to the default unit of measurement or wait for 30 seconds 3 4 4 Set output signals The procedures in this section provide instructions for modifying the o...

Страница 33: ... the limits for the window switching output Procedure 1 Ensure that the function Fno or Fnc is set for ou1 or ou2 2 Select FH1 or FH2 then set the upper limit of the acceptable range 3 Select FL1 or FL2 then set the lower limit of the acceptable range Note FLx is always lower than FHx The level transmitter accepts only values which are lower than the value for FHx If FHx changes FLx also changes p...

Страница 34: ...switching function I Current output 4 20 mA InEG Current output 20 4 mA Hno Hysteresis function normally open Hnc Hysteresis function normally closed Fno Window function normally open Fnc Window function normally closed Note If using the output to prevent overflow set ou2 Hnc NC function The principle of normally closed operation ensures that wire break or cable break is also detected Scale analog...

Страница 35: ... case of a fault The analog output switches to a value of less than 3 6 mA in case of a fault Fault examples Defective hardware Signal quality too low Note The level transmitter does not consider overflow to be a fault Set damping for measured signal Follow these steps to set the damping time for a measured signal Procedure 1 Select dAP from the menu 2 Set damping in seconds The setting range is b...

Страница 36: ... is operational only after entering basic settings For more information see Menu structure 3 4 6 Change basic settings Set these parameters after making any changes to the probe length or medium type Change the probe length Modify the probe length parameter value after changing the length of the probe Procedure 1 Select LEnG from the menu 2 Enter the probe length L Note the set unit of measurement...

Страница 37: ...3 Press Enter Note In case of doubt perform an application test to ensure that the setting is best suited for the medium 3 4 7 Simulation Simulation mode allows you to perform tests on the level transmitter while it simulates levels and error scenarios Set simulation value The simulation value determines what error scenario the simulation shows Procedure 1 Select S LvL from the menu 2 Set the simu...

Страница 38: ... parameter S On and internally the level transmitter goes again to the operating mode and the process value transmission After another 30 seconds the display goes again to the process value display Note If using IO Link to start and configure a simulation it can be canceled only using IO Link The level transmitter displays C Loc if the simulation is attempted to be canceled with the function butto...

Страница 39: ... 3 5 3 Function check After turning on the level transmitter it is in operating mode It measures and evaluates level and generates output signals according to the set parameters Check that the level transmitter is operating correctly before using it in a production environment 3 5 4 Operation indication These indicators show how the level transmitter is operating Indicator Definition continuous In...

Страница 40: ...00 mm 2 Scale analog output ASP2 and AEP2 AEP2 must at least be 20 greater than ASP2 Example AEP2 970 mm 3 Alternatively Set parameter ou2 to H or F 4 Select the medium MEdI Example MEdI MId HIGH For water and water based media Operating mode is optimized for suppression of deposits on the probe MId For water based media and media with a mean dielectric constant value Operating mode is optimized f...

Страница 41: ...ansmitter except tank adjustment if configured in the master data storage When a transmitter is replaced by a transmitter of the same type the parameters of the old transmitter are automatically written to the new transmitter if configured in the master and if the transmitter allows this For safety reasons the level transmitter can refuse the parameter download Factory default setting Open Data st...

Страница 42: ...Operation Quick Start Guide January 2019 00825 0100 4326 42 Quick Start Guide ...

Страница 43: ...yer by suction stir the medium verify the composition Probe or process connection soiled Clean the probe and the process connection Installation conditions not adhered to Observe the notes in Installation Repeat or perform a tank adjustment Tank adjustment Probe length or sensitivity setting to the medium incorrect Correct settings then perform a tank adjustment Tank adjustment SCx LED 7 SCx LED 8...

Страница 44: ... unit CAUTION Before installing or removing the unit Ensure no pressure is applied to the system and there is no medium in the tank that could leak Note the potential dangers related to extreme machine and medium temperatures Use only tools suitable for plastic surfaces for wetted surfaces Ensure gasketed connections probe or process connection adapter are not soiled or damaged Check sealing rings...

Страница 45: ...tential dangers related to extreme machine and medium temperatures Procedure 1 Remove the probe from the unit 2 Remove O ring from the transmitter 3 Remove O ring from the groove and clean it 4 Check O ring and groove 5 Reassemble the level transmitter 4 3 2 Transport When transporting the level transmitter follow these guidelines to avoid damage Use only appropriate packaging If installed in a ta...

Страница 46: ...Troubleshooting and maintenance Quick Start Guide January 2019 00825 0100 4326 46 Quick Start Guide ...

Страница 47: ...nt 0 05 1 rPx FLx is always smaller than SPx FHx If SPx FHx is shifted rPx FLx also shifts provided that the lower end of the setting range is not reached Always set SPx FHx first then rPx FLx The setting ranges for analog start point ASP2 and analog end point AEP2 depend on the probe length L In general the following applies Parameters inch mm min max min max ASP2 0 N A 0 N A AEP2 N A L 1 2 N A L...

Страница 48: ...Setting ranges Quick Start Guide January 2019 00825 0100 4326 48 Quick Start Guide ...

Страница 49: ...ccredited by the Federal Occupational Safety and Health Administration OSHA 6 3 3 A certification This product is authorized to display the 3 A symbol Ensure gaskets and process connection accessories selected for installation meet both the application and 3 A requirements A certificate of compliance is available at Emerson com Rosemount 6 4 Other industry certifications All Rosemount 326L transmi...

Страница 50: ...Product certifications Quick Start Guide January 2019 00825 0100 4326 50 Quick Start Guide ...

Страница 51: ...0 VMR 1 AEP2 100 VMR 1 dS1 0 0 dr1 0 0 ou1 Hno ou2 I uni inch P n PnP FOU1 OFF FOU2 OFF SELd L dAP 0 0 dFo 3 0 LEnG nonE MEdl MID S LVL 50 LEnG S Tim 3 S On OFF 1 VMR final value of the measuring range LEnG value minus 1 18 in 30 mm When the LEnG value is entered the unit calculates the basic setting Quick Start Guide Factory settings 00825 0100 4326 January 2019 Quick Start Guide 51 ...

Страница 52: ...7 USA 1 800 999 9307 or 1 952 906 8888 1 952 949 7001 RMT NA RCCRF Emerson com Linkedin com company Emerson Automation Solutions Twitter com Rosemount_News Facebook com Rosemount Youtube com user RosemountMeasurement 2019 Emerson All rights reserved Emerson Terms and Conditions of Sale are available upon request The Emerson logo is a trademark and service mark of Emerson Electric Co Rosemount is m...

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