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Emerson Rosemount 326P Quick Start Manual

Pressure transmitter
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Quick Start Guide
00825-0100-4327, Rev 01
January 2019
™
Rosemount
326P Pressure Transmitter
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Summary of Contents for Emerson Rosemount 326P

  • Page 1 Quick Start Guide 00825-0100-4327, Rev 01 January 2019 ™ Rosemount 326P Pressure Transmitter...

  • Page 3: Table Of Contents

    Quick Start Guide Contents 00825-0100-4327 January 2019 Contents Chapter 1 Introduction........................5 1.1 Pressure specifications........................5 1.2 Operating modes..........................7 1.3 Functions............................7 Chapter 2 Installation........................11 ® 2.1 Installation orientation (3-A standards)..................11 2.2 Hygienic process connection adapter installation................11 2.3 Electrical connection........................11 Chapter 3 Operation........................
  • Page 4 Contents Quick Start Guide January 2019 00825-0100-4327 Quick Start Guide...

  • Page 5: Introduction

    Quick Start Guide Introduction 00825-0100-4327 January 2019 Introduction The pressure transmitter measures and monitors pressure in a facility. Pressure specifications To ensure product performance and safety, adhere to the following specifications. 1.1.1 Measuring range This table shows the range at which the pressure transmitter is able to measure pressure. Pressure range Measuring range limits mbar...
  • Page 6 Introduction Quick Start Guide January 2019 00825-0100-4327 Pressure range Overpressure limits 1606 2400 1085 1450 1.1.3 Burst pressure limits The burst pressure limit is the pressure at which the pressure transmitter will no longer function or be damaged. CAUTION Do not exceed the burst pressure limit. Exceeding the burst pressure limit can damage the pressure transmitter.

  • Page 7: Operating Modes

    Switching signal used for system pressure limit value • Analog signal proportional to pressure (4-20 mA or 20-4 mA) Functions The Rosemount 326P Pressure transmitter performs the functions described in this section. 1.3.1 Switching function The switching function is available only for three-wire operations. OUT1 or OUT2 changes its switching status if the pressure is above or below the set switching limits (SPx, rPx).
  • Page 8 Introduction Quick Start Guide January 2019 00825-0100-4327 Figure 1-1: Hysteresis function Figure 1-2: Window function • SP: Set point • FE: Window • rP: Reset point • Fno: Window function/normally open • P: Pressure • Fnc: Window function/normally closed • Hy: Hysteresis •...
  • Page 9 Quick Start Guide Introduction 00825-0100-4327 January 2019 Figure 1-3: Factory setting Figure 1-4: Transmitter reranged P: system pressure MAW: initial value of the measuring range (Lower range limit [LRL]) MEW: final value of the measuring range (Upper range limit [URL]) 1: OU2 = I 2: OU2 = InEG In the set measuring range the output signal is between 4 and 20 mA (OU2 = I) or between...
  • Page 10 Introduction Quick Start Guide January 2019 00825-0100-4327 mounting position. Since zero trim maintains the slope of the characterization curve, do not use it in place of a Sensor Trim over the full sensor range. For more information, Perform manual zero trim.

  • Page 11: Chapter 2 Installation

    Hygienic process connection adapters allow the transmitter to be installed according to application requirements. All connection adapters include an EPDM O-ring. More sealing rings are available to be ordered as accessories. See the Rosemount 326P Product Data Sheet for all available connectors and accessories. Hygienic process connection adapters include installation instructions with the packaging.
  • Page 12 Installation Quick Start Guide January 2019 00825-0100-4327 Figure 2-1: Connection for two-wire operation Brown White Analog output (4-20 mA) Colors to DIN EN 60947-5-2 2.3.2 Wiring for three-wire operation Follow these steps to wire the pressure transmitter for three-wire operation. Procedure 1.
  • Page 13 Quick Start Guide Installation 00825-0100-4327 January 2019 Wiring examples 2 x positive switching 2 x negative switching 1 x positive switching / 1 x analog 1 x negative switching / 1 x analog Note If the analog signal current (I) is selected in the menu under OU2 and the output is not connected (resistor = infinite), the pressure transmitter displays the error message W532 in intervals.
  • Page 14 Installation Quick Start Guide January 2019 00825-0100-4327 Quick Start Guide...

  • Page 15: Chapter 3 Operation

    Quick Start Guide Operation 00825-0100-4327 January 2019 Operation This section provides instructions for configuring parameter settings. Display and function buttons The pressure transmitter displays information using the display and can be controlled using the function buttons. 1 to 8: Indicator LEDs LED 1 to LED 5 System pressure in the set unit of measurement.
  • Page 16 Operation Quick Start Guide January 2019 00825-0100-4327 3.1.1 Read the set parameters Follow these steps to view the set parameter values. Procedure 1. Press Mode/Enter until the pressure transmitter displays the desired parameter. 2. Press Set. The pressure transmitter displays the value currently set for the selected parameter for 15 seconds then returns to run mode.

  • Page 17: Menu

    Quick Start Guide Operation 00825-0100-4327 January 2019 Menu This section explains the pressure transmitter menu options and structure. 3.2.1 Main menu structure The main menu includes options for accessing other menus, setting output functions, and changing the display mode. Figure 3-1: Main menu •...
  • Page 18 Operation Quick Start Guide January 2019 00825-0100-4327 Option Description tASP Set analog start point (4 mA if OU2 = I, 20 mA if OU2 = InEG) using an applied pressure source. tAEP Set analog end point (20 mA if OU2 = I, 4 mA if OU2 = InEG) using an applied pressure source.
  • Page 19 Quick Start Guide Operation 00825-0100-4327 January 2019 Table 3-1: Extended functions menu options Option Description Standard unit of measurement for system pressure SELd Display mode: 1. Pressure in the unit set in Uni 2. Pressure in percent of the set scaling of the analog output Analog start point for system pressure: measured value at which 4 mA is provided (20 mA if OU2 = InEG) Analog end point for system pressure: measured value at which 20 mA is...
  • Page 20 Operation Quick Start Guide January 2019 00825-0100-4327 3.2.3 Simulation menu The simulation menu provides options for configuring and executing transmitter simulations. Figure 3-3: Simulation menu (SEL=OU) The options shown appear when SEL is set to OU. Table 3-2: Simulation menu (SEL=OU) Option Description Status to be simulated.

  • Page 21: Parameter Settings

    Quick Start Guide Operation 00825-0100-4327 January 2019 Figure 3-4: Simulation menu (SEL = Proc) The options shown appear when SEL is set to OU. Table 3-3: Simulation menu (SEL = Proc) Option Description Status to be simulated: Process value Proc. S.Pr Simulation of a process value;...
  • Page 22 Operation Quick Start Guide January 2019 00825-0100-4327 values are set. The pressure transmitter changes the parameter values immediately for COF, CP1, and CP2. 3.3.1 Modify parameter settings Follow these steps to modify parameter values. Procedure 1. Press Mode/Enter to select a parameter. 2.
  • Page 23 Quick Start Guide Operation 00825-0100-4327 January 2019 3.3.2 Configuring the display This section provides instructions for changing how the pressure transmitter displays pressure data. Change the unit of measurement Follow these steps to change the unit of measurement in which the pressure transmitter displays process pressure.
  • Page 24 Operation Quick Start Guide January 2019 00825-0100-4327 Change the update rate and display orientation The update rate sets how often the pressure transmitter displays new data. The diS parameter also sets the orientation of the display. Follow these steps to change the update rate and orientation of the display.
  • Page 25 Quick Start Guide Operation 00825-0100-4327 January 2019 • Hnc: hysteresis function/NC • Fno: window function/NO • Fnc: window function/NC • I: current signal proportional to pressure 4-20 mA InEG: current signal proportional to pressure 20-4 mA • 8. Press Mode/Enter. Set switching limits Follow these steps to set the limits that cause the outputs to switch.
  • Page 26 Operation Quick Start Guide January 2019 00825-0100-4327 b) Press and hold Set. The current value flashes on the display. c) Release Set when the value stops flashing. The pressure transmitter displays the new value. d) Press Mode/Enter. The pressure transmitter sets the current system pressure as the end value for the analog signal.
  • Page 27 Quick Start Guide Operation 00825-0100-4327 January 2019 Perform an automatic zero trim Follow these steps to automatically scale the pressure offset by +/-5 percent. Use this after installation to trim out any measurement offsets because of mounting effects. Prerequisites Ensure no pressure is applied to the pressure transmitter. Procedure 1.
  • Page 28 Operation Quick Start Guide January 2019 00825-0100-4327 Setting a delay for the switching outputs Follow these steps to modify the time before an output switches after a fault. The maximum delay time is 50 seconds. Procedure 1. Select the switch-on delay parameter for the output from the extended functions menu.
  • Page 29 Quick Start Guide Operation 00825-0100-4327 January 2019 Setting a damping for the analog signal Damping the analog signal prevents the 4-20 mA output from erroneously changing because of erratic pressure readings. The analog damping value is the response time in seconds between pressure change and the change of the analog signal.
  • Page 30 Operation Quick Start Guide January 2019 00825-0100-4327 3.3.5 Service fuctions This section provides instructions for viewing and managing parameters. View the highest and lowest measured pressure The pressure transmitter saves the highest and lowest measured preasure values. Follow these steps to view the highest and lowest pressure values previously measured by the pressure transmitter.
  • Page 31 Quick Start Guide Operation 00825-0100-4327 January 2019 The extended functions menu opens. 3. Select SIM from the menu. 4. Press Set. The simulation menu opens. The first option is SEL. Set the simulation output state Follow these steps to set the output state for a simulation. Procedure 1.
  • Page 32 Operation Quick Start Guide January 2019 00825-0100-4327 Set simulation duration Follow these steps to set the duration of the simulation. Simulations can run between 1-60 minutes. Procedure 1. Select S.TIM from the simulation menu. 2. Press and hold Set to modify the parameter value. 3.

  • Page 33: Chapter 4 Setting Ranges

    Quick Start Guide Setting ranges 00825-0100-4327 January 2019 Setting ranges This section contains the minimum and maximum settings for the specified parameters by pressure range. Table 4-1: SP1 and SP2 Unit Minimum Maximum Step increment Pressure range 1A -1.92 40.00 0.04 mbar -4.8...
  • Page 34 Setting ranges Quick Start Guide January 2019 00825-0100-4327 Table 4-1: SP1 and SP2 (continued) Unit Minimum Maximum Step increment Pressure range 5A -1.74 36.00 0.03 -0.120 2.482 0.002 -12.0 248.2 -1.22 25.31 0.01 Pressure range 6A -14.35 55.00 0.05 -0.990 3.79 0.005 -99.0...
  • Page 35 Quick Start Guide Setting ranges 00825-0100-4327 January 2019 Table 4-2: rP1 and rP2 (continued) Unit Minimum Maximum Step increment Pressure range 2A -5.0 99.8 mbar -12.4 248.4 -1.24 24.84 0.02 mmWS -126 2536 Pressure range 3A -14.50 14.45 0.05 -401 mbar -1000 -100.0...
  • Page 36 Setting ranges Quick Start Guide January 2019 00825-0100-4327 Table 4-2: rP1 and rP2 (continued) Unit Minimum Maximum Step increment Pressure range 7A -14.5 84.8 -1.0 5.85 0.005 -100.0 585.0 Pressure range 8A -14.5 144.7 -1.00 9.98 0.01 -0.100 0.998 0.001 -14.6 229.6 -1.0...
  • Page 37 Quick Start Guide Setting ranges 00825-0100-4327 January 2019 Table 4-3: ASP (continued) Unit Minimum Maximum Step increment -10.20 5.10 0.01 Pressure range 2B -0.73 10.88 0.01 -20.0 301.2 mbar -5.0 75.0 -0.51 7.65 0.01 Pressure range 4A -1.46 15.00 0.02 477.5 mbar -100...
  • Page 38 Setting ranges Quick Start Guide January 2019 00825-0100-4327 Table 4-3: ASP (continued) Unit Minimum Maximum Step increment -1.0 11.88 0.02 -0.1 1.19 0.002 Pressure range 1B -14.4 270.0 -1.00 18.58 0.02 -0.100 1.862 0.002 Table 4-4: AEP Unit Minimum Maximum Step increment Pressure range 1A 8.00...
  • Page 39 Quick Start Guide Setting ranges 00825-0100-4327 January 2019 Table 4-4: AEP (continued) Unit Minimum Maximum Step increment mbar 1586 29.8 158.6 3.02 16.1 0.02 Pressure range 5A 7.20 0.03 0.498 2.482 0.002 49.8 248.2 5.07 25.31 0.01 Pressure range 6A -0.75 0.05 -.050...
  • Page 40 Setting ranges Quick Start Guide January 2019 00825-0100-4327 Quick Start Guide...

  • Page 41: Chapter 5 Troubleshooting

    Quick Start Guide Troubleshooting 00825-0100-4327 January 2019 Troubleshooting The pressure transmitter monitors itself for issues then reports the issues using the display. If the pressure transmitter detects a fault, it will react according to FOU1 and FOU2. Use the information in this section to identify and resolve common issues with the pressure transmitter.
  • Page 42 Troubleshooting Quick Start Guide January 2019 00825-0100-4327 Display LED Status Description Corrective actions W531 The analog output is at the Increase the AEP value if upper limit (20.5 mA). possible (for OU2 = InEG, increase ASP value) or reduce the system pressure. The pressure transmitter does Unlock the buttons.(Locking...

  • Page 43: Chapter 6 Product Certifications

    3-A requirements. A certificate of compliance is available at Emerson.com/Rosemount. Other industry certifications All Rosemount 326P transmitter surfaces and materials which come into contact with process medium comply with the following regulations: •...
  • Page 44 Product certifications Quick Start Guide January 2019 00825-0100-4327 Quick Start Guide...

  • Page 45: Factory Settings

    Quick Start Guide Factory settings 00825-0100-4327 January 2019 Factory settings Use this worksheet to record parameter values. Setting Factory default setting User-defined setting (1)(2) ~25% URL (1)(2) ~23% URL (1)(2) ~75% URL (1)(2) ~73% URL COF / tCOF ASP / tASP 0% URL Pressure range 3A: -14.5 psi (-1 bar)
  • Page 46 Factory settings Quick Start Guide January 2019 00825-0100-4327 Table 7-1: Specific factory settings for SP1, rP1, SP2, and rP2 (continued) Pressure range 25.1 23.1 75.3 73.3 -7.25 -7.85 7.25 6.65 3.63 3.34 10.88 10.59 5.34 17.40 16.94 9.06 5.34 17.40 16.94 14.50 13.35...
  • Page 47 Quick Start Guide 00825-0100-4327 January 2019 Quick Start Guide...
  • Page 48 Linkedin.com/company/Emerson-Automation-Solutions © 2019 Emerson. All rights reserved. Twitter.com/Rosemount_News Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a Facebook.com/Rosemount trademark and service mark of Emerson Electric Co. Rosemount is mark of one of the Youtube.com/user/RosemountMeasurement...

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