Emerson 475- User Manual

Page 2 - ABM 2 Wire Radar with HART

2 ABM 2 Wire Radar with HART ©ABM Sensor Technologies Inc 2013, all rights reserved. Emerson is a registered trademark of Emerson Process Management. HART is a registered trademark of the HART Communication Foundation.

Page 3 - Contents

3 Contents ABM 2 Wire Radar with HART ....................................................................................................................... 2 Introduction ..................................................................................................................................

Page 4 - Introduction; screen; name or menu; item; “, you must press the number 1 on the; Section 1: Getting Started; Radar; Communicator to

4 Introduction The following instructions describe how to calibrate an ABM 2 wire Radar with HART using an Emerson 475 Field Communicator. The 475 Field Communicator used for this document contained system software version 3.7. In this document the Emerson 475 Field Communicator will be referred to ...

Page 5 - From the main menu tap the; HART; icon can be seen in the upper left corner of; Tap the “; YES; screen shown on the 475 Communicator is referred to as the “; HOME; ” screen. Figure 4 shows

5 1-2 Power on the 475 Communicator by pressing and holding the power key until the green light on the power key blinks. 1-3 From the main menu tap the HART icon. The HART icon can be seen in the upper left corner of Figure 2. Figure 2 shows the main screen of the 475 Communicator. 1-4 The 475 Commu...

Page 7 - Section 2: Changing Calibration Values; Changing Calibration Values from the Home Screen

7 Section 2: Changing Calibration Values The 475 Communicator provides multiple screens and menus for calibrating the Radar. The Radar range can be calibrated from the home screen using menu items “ 4 PV LRV ” and ” 5 PV URV ” or by entering “ 1 Device setup “. Changing the range from the home scree...

Page 8 - ” button in Figure 8.

8 2-3 Be aware of the “unit of measure” shown next to the current URV and LRV (ft = feet) when entering your desired distance. When you have entered the distance tap the “ ENTER” button. The change will not take effect until they are sent to the Radar. To send the changes to the Radar tap the “ SEND...

Page 9 - Using Device Setup to Change Calibration Values

9 Using Device Setup to Change Calibration Values 2-4 Figure 9 (left) shows the Home screen. Range calibration and other programmable values can be accessed by selecting “ 1 Device setup ”. The Device setup screen is shown in Figure 9 (right). Figure 9 after selecting menu 1 from the home screen (le...

Page 11 - Basic; Device Setup; Calibration

11 Device Setup  Basic Setup  Damping 2-10 Process variable measurement is averaged using a damping factor known as PV Damp. Radar units are shipped with a PV Damp default value of 5. The PV Damp value can be changed from the Basic setup screen menu ” 7 ”. Figure 13 shows the PV Damp edit screen. ...

Page 12 - To set the 4mA or 20mA value to the current distance select menu ”

12 2-12 From the Diag/Service (Figure 15 left) select menu “ 3 Calibration ” to display the Calibration screen. From the Calibration screen (Figure 15 right) you have the choice of manually entering distance values or using the measured distance. To manually enter the distance, select menu “ 2 Enter...

Page 13 - Set as 4mA value; distance to reach the desired value and then select menu “; Read new value; ” will read

13 Figure 17 shows the URV edit screen. Figure 18 shows the URV edit screen. 2-14 The measured distance is displayed in the top section of Figure 18. To use this distance select menu “ 1 Set as 4mA value ”. If the distance is incorrect adjust the target or wait for the target distance to reach the d...

Page 14 - Warnings Screens; OK”; to proceed with the calibration change. After a; SEND

14 Warnings Screens 2-15 Changing calibration values in the Radar may affect the loop current. Warning screens like those shown in Figure 19 may appear. Tap the “ OK” to proceed with the calibration change. After a calibration value has been changed on the 475 Communicator the changes must be sent t...

Page 15 - Non-zero Status Screens; When a calibration value is changed in the Radar a; configuration change; bit is set in the; status code

15 Non-zero Status Screens 2-16 When a calibration value is changed in the Radar a configuration change flag bit is set in the resulting HART status code. The 475 Communicator will detect the flag and display a non-zero status code screen as shown in Figure 21. The screen is a confirmation that the ...

Page 16 - Section 3: Reviewing Calibration Settings; Device setup; ” screen select menu “; Review

16 Section 3: Reviewing Calibration Settings 2-17 The 475 Communicator provides a set of menus to review the Radar calibration settings. From the “ Device setup ” screen select menu “ 5 Review ” (Figure 22). Figure 22 shows the Review menu item highlighted. 2-18 The “Review” screen, Figure 23 provid...

Page 17 - Appendix A: Quick Reference – Short Cut to Range Values

Appendix A: Quick Reference – Short Cut to Range Values Figure 24 shows the menu selections to change the URV and LRV.

Page 19 - Appendix C: Quick Reference – Menu Path to 4mA and 20mA Calibration

19 Appendix C: Quick Reference – Menu Path to 4mA and 20mA Calibration Figure 26 shows the menu path to 4mA and 20mA calibration. The lower half of the diagram illustrates setting the 4mA value to the measured distance.

Table of Contents:

Summary

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