Quick Start Guide Introduction 00825-0100-4326 January 2019 Introduction The level transmitter continuously detects level of a media and reports the level of the media in multiple selectable units of measurements and values. Safety instructions Follow these safety guidelines when installing and using the level transmitter. CAUTION •...
Introduction Quick Start Guide January 2019 00825-0100-4326 • Highly absorbing surfaces (foam) • Intensely bubbling surfaces • Media which are very inhomogeneous, separate from each other thus forming separation layers (oil layer on water) To prevent this, follow these guidelines: •...
Quick Start Guide Introduction 00825-0100-4326 January 2019 Figure 1-2: Receiving Pulses The transmitter head transmits pulses that are guided along the probe towards the media (Figure 1-2). When the pulses hit the media they are reflected and guided back to the transmitter (Figure 1-2).
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. Functions The level transmitter performs the functions detailed in this section.
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Quick Start Guide Introduction 00825-0100-4326 January 2019 For more information, see Set output function for OUT2. The analog start point ASP2 defines the measured value at which the analog start value is provided. The analog start value is 4 mA with ou2 = I or 20 mA with ou2 = InEG. For more information, see Scale analog signal.
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Introduction Quick Start Guide January 2019 00825-0100-4326 • Window function/normally closed: oux = Fnc Note The difference between FHx and FLx sets the width of the window. FHx is the upper value and FLx is the lower value. Figure 1-4: Switching function Hysteresis function Window function L: Level...
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Quick Start Guide Introduction 00825-0100-4326 January 2019 1.6.5 Simulation functions To assist in maintenance, reducing interference, or setting up the level transmitter, simulate error scenarios and levels. 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.
Quick Start Guide Installation 00825-0100-4326 January 2019 Installation This section includes instructions for installing and wiring the level transmitter. These procedures are required to setup the level transmitter: Installing the level transmitter Wire the transmitter Adjust the probe length To modify the factory default settings, perform these procedures. •...
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Installation Quick Start Guide January 2019 00825-0100-4326 Installation distances with adjustment Installation distances without adjustment A1: 0.39 in (10 mm) A1: 0.39 in (10 mm) A2: 0.79 in (20 mm) A2: 1.97 in (50 mm) A3: 0.79 in (20 mm) to tank structures (B) 1.97 A3: 1.97 in (50 mm) to tank structures (B) 1.97 in (50 mm) to other transmitters type LR in (50 mm) to other transmitters type LR...
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Quick Start Guide Installation 00825-0100-4326 January 2019 2.1.3 Applications with viscous or fast-flowing media The installation of the level transmitter must meet the following requirements if installed in conditions with viscous or fast-flowing media and/or agitators. • The probe cannot contact the tank walls or structures. •...
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Installation Quick Start Guide January 2019 00825-0100-4326 • Install the level transmitter in a metal bypass or a metal still pipe. • Separate the level transmitter location with metal sheets or perforated sheets. Figure 2-2: Installing in foam build-up and turbulence d: Minimum diameter (See Installation in pipes)
Quick Start Guide Installation 00825-0100-4326 January 2019 a: Minimum adjustment distance is 0.39 in (10 mm); maximum is L - 9.84 in (250 mm) b: Safety distance to the level or probe end: b ≥ 9.84 in (250 mm) S: Connection piece B: Structures in the tank •...
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Installation Quick Start Guide January 2019 00825-0100-4326 2. Mark the desired length (L) on the probe. The reference point is the lower edge of the process connection. 3. Remove the probe from the unit. Do not lose the O-ring between the probe attachment piece and the probe.
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Quick Start Guide Installation 00825-0100-4326 January 2019 2. Slip the supplied O-ring onto the probe connection of the unit and check its position. 3. Screw the probe to the unit and tighten it. Note Recommended tightening torque: 4.79 ft/lbs (6.5 Nm). 4.
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Installation Quick Start Guide January 2019 00825-0100-4326 Prerequisites Note Before installing or removing the level transmitter, ensure that no pressure is applied to the system. Also ensure that there is no medium in the tank that might leak during installation. The level transmitter can be installed using a mounting or welding adapter with a sealing ring.
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Quick Start Guide Installation 00825-0100-4326 January 2019 2.2.5 Installing in a plastic tank Follow these guidelines when installing the level transmitter in a plastic tank or in a metal tank with a plastic lid. D1: Minimum 5.91 in (150 mm) R: Launching plate •...
Installation Quick Start Guide January 2019 00825-0100-4326 Note According to 3-A standards, special regulations apply for cleaning and maintenance. For ® more information, see Cleaning and maintenance in 3-A applications. Not suitable for systems which must meet the criteria of paragraph E1.2 / 63-03 of the 3-A standard 63-03. Wire the transmitter Wire the transmitter according the instructions and illustrations in this topic.
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Quick Start Guide Installation 00825-0100-4326 January 2019 Example 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...
Quick Start Guide Operation 00825-0100-4326 January 2019 Operation The procedures in this section provide instructions for setting parameters and settings on the level transmitter. Display elements The front of the level transmitter includes LED indicators, buttons, and an alphanumeric display. 1 to 8: Indicator LEDs LEDs 1 - 3 Selected unit of measurement.
Operation Quick Start Guide January 2019 00825-0100-4326 Menu structure The menu provides options for configuring parameters and viewing settings. Note Menu items highlighted in gray are active only after setting assigned parameters. • I: Main Menu (See Main menu options) •...
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Quick Start Guide Operation 00825-0100-4326 January 2019 Note Menu items highlighted in gray are active only after setting assigned parameters. • III: Level CFG (See Configuration menu options (CFG)) • IV: Level ENV (See Environment menu options (ENV)) • V: Level SIM (See Simulation menu options (SIM)) 3.2.1...
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Operation Quick Start Guide January 2019 00825-0100-4326 Option Description SP2/rP2 Set point 2 / reset point 2 at which OUT2 switches. Visible only after selecting the hysteresis function (ou2 = H..) FH2/FL2 Upper / lower limit for the acceptable range within which OUT2 switches. Visible only after selecting the window function (ou2 = F..) Extended functions / opening of menu level 2 3.2.2...
Quick Start Guide Operation 00825-0100-4326 January 2019 Option Description Delay time for the outputs to pass into the state defined with FOUx; only effective in case of a fault Visible only after selecting hysteresis or window function (ou2 = H.. or F..). 3.2.4 Environment menu options (ENV) The environment menu includes these options.
Operation Quick Start Guide January 2019 00825-0100-4326 3. Press Enter to select a parameter. 4. Press the up or down buttons for at least one second. After one second the parameter value changes. Press and hold the button to change the value continuously. 5.
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Quick Start Guide Operation 00825-0100-4326 January 2019 The display shows the initial display. 2. Select LEnG from the menu. If the parameter does not contain a value, the display shows nonE. 3. Press and hold up or down for at least one second. The display shows the detected probe length.
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Operation Quick Start Guide January 2019 00825-0100-4326 a) Select uni from the menu. b) Select mm for millimeters or inch for inches. c) Press Enter. 2. Change the indicator. a) Select SELd from the menu. b) Set the type of indicator. •...
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Quick Start Guide Operation 00825-0100-4326 January 2019 Note Use the Hnc switching function if the switching output is used as an overflow prevention. The principle of normally closed operation ensures that the level transmitter also detects wire breaks or cable breaks. Set switching limits (hysteresis) Use these steps to set the hysteresis limits for the switching output.
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Operation Quick Start Guide January 2019 00825-0100-4326 Set switch off delay for switching outputs Follow these steps to set the switch-off delay for switching outputs. Procedure 1. Select dr1 or dr2 from the menu. 2. Set the value between 0.0 and 60 seconds. Note The switch-on delay reacts according to VDMA.
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Quick Start Guide Operation 00825-0100-4326 January 2019 Set output logic for switching outputs Follow these steps to set the output logic for switching outputs. Procedure 1. Select P-n from the menu. 2. Set PnP or nPn. Set response of the outputs in case of fault Follow these steps to modify how an output responds to faults.
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Operation Quick Start Guide January 2019 00825-0100-4326 Note The parameter dFo is effective only in the case of a fault. Mind the dynamics of your application. In case of fast level changes, change the value step by step. For more information, see Fault states.
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Quick Start Guide Operation 00825-0100-4326 January 2019 Set to another medium If the medium in the tank has changed, modify the parameters for the medium to match the new medium. Procedure 1. Select MEdI from the menu. 2. Set the medium type. •...
Operation Quick Start Guide January 2019 00825-0100-4326 Set simulation duration The simulation duration parameter sets the length in time of the simulation. Procedure 1. Select S.Tim from the menu. 2. Set time span for simulation. Setting range: 1, 2, 3, 4, 5, 10, 15, 20, 30, 45, 60 minutes Factory setting: three minutes 3.
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Quick Start Guide Operation 00825-0100-4326 January 2019 To correctly transfer the microwave pulse to the tank with optimum transmission power, the level transmitter needs a sufficiently large metal launching surface or launching plate. For installation in closed metal tanks or metal bypass pipes, the tank lid or upper pipe section serves as a launching surface.
Operation Quick Start Guide January 2019 00825-0100-4326 Indicator Definition The level transmitter is locked using the function buttons. Setting parameter values is not possible without unlocking the level transmitter. To unlock the level transmitter, press and hold up and down for 10 seconds.
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Quick Start Guide Operation 00825-0100-4326 January 2019 IO-Link does not save tank adjustment information. After the level transmitter fails, perform another tank adjustment. The level transmitter reverts to the cyclical process data transmission after performing a tank adjustment successfully. After a factory reset, the device reboots and the factory settings are restored. 3.6.2 Unit locking and data storage The IO-Link master saves all parameters of the connected transmitter (except tank...
Quick Start Guide Troubleshooting and maintenance 00825-0100-4326 January 2019 Troubleshooting and maintenance The topics in this section provide information on identifying and resolving issues and maintaining the level transmitter. Error indicators This table describes error scenarios for the level transmitter and possible solutions. Indicator Possible cause Recommended fix...
Troubleshooting and maintenance Quick Start Guide January 2019 00825-0100-4326 Operating state OUT1 OUT2 Normal operation According to the level and ou1 According to the level 4 - 20 setting Fault OFF with FOU1 = OFF; < 3.6 mA with FOU2 = OFF ON with FOU1 = On >...
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Quick Start Guide Troubleshooting and maintenance 00825-0100-4326 January 2019 • 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.
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Troubleshooting and maintenance Quick Start Guide January 2019 00825-0100-4326 Quick Start Guide...
Quick Start Guide Setting ranges 00825-0100-4326 January 2019 Setting ranges These tables show the setting ranges for the level transmitter parameters. LEnG inch Setting range 6.0 - 78.8 150 - 2000 Step increment The setting ranges for the switching limits (SPx, rPx, FHx, FLx) depend on the probe length (L).
3-A requirements. A certificate of compliance is available at Emerson.com/Rosemount. Other industry certifications All Rosemount 326L transmitter surfaces and materials which come into contact with process medium comply with the following regulations: Quick Start Guide...
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