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Level Products User Manual - Adaptive Wireless Solutions

1. 43 Figure 7 5 Setting a 22 Point Curve for Pressure Using WIM 43 Figure 8 1 Pressure Setting Using WIM ssseeeeeee 44 Figure 8 2 Gauge Level Mode sssssssssseeseeee enne 46 Figure 9 1 WI Battery Kit O1 sssseseeeeenenenenn nene 50 Figure 9 2 WI BAT Field Unit Battery seemm 51 Figure 9 3 Menu Map to Error Log Error Counter RF Statistics and Log Gl aring M M ie 52 Figure 9 4 Definitions of error codes essseseeee 53 Figure 9 5 Error counter definitions 54 Figure 9 6 RF Statistics code descriptions ssssseseees 55 Figure 10 1 WI SL XX Dimensioned Mechanical Drawing 58 Figure 10 1 WI GL I XX Dimensioned Mechanical Drawing 60 Figure 10 2 WI GL E XX Dimensioned Mechanical Drawing 62 Figure 10 3 WI GL E Y6 XX Dimensioned Mechanical Drawing 64 AWS Level Field Units User Guide Rev 1210 VI 1 1 Introduction USING THIS MANUAL This manual is designed to assist in installing operating and maintaining AWS Level Field Units The manual is broken into sections as follows 2 Quick Start This section summarizes what must be done in order to get the device installed configured and in operation quickly However it does not provide detailed inform
2. Input oma Volts set tc 10 Upper Value Normal Lower Value 6 5 Volts set to 2 5 Volts Abnormal Condition B 4 Normal Condition 0 L 1 ool b ool L 3 oo Time min sec f Abnormal Condition Figure 6 14 Normal Upper and Lower Value Example The Normal Upper Value would be an indication that the analog input is high and the Normal Lower Value would be an indication that analog input is low Thus the normal operating condition for the analog input application would be found in between the two Normal Values The Time Deadband refers to the number of seconds that the measured reading must stay in a certain condition before the Field Unit will actually switch to that condition To select a proper Time Deadband consider the example in Figure 6 15 Input Volts Abnormal Condition Abnormal Condition Abnormal Condition Abnormal Condition 10 l ix By Z gt gt lt LA cM LEN 44 2 Normal Upper Value Normal Condition set to 7 5 Volts T T 0 1 00 2 00 3 00 Time min sec Figure 6 15 Condition Chatter Without Time Deadband AWS Wireless Level Products Field Units User Guide Rev 0307 Notice that the Field Unit continues to cycle from Normal to Abnormal Conditions due to the fact that the input value is fluctuating around the 7 5 Volt Normal Upper Value This is undesired Adding a delay of several seconds before the Field Unit switches conditions eliminates this chatter as
3. aD on ens b ENTER NK TST JENTER CRF ID XXX JENTER NORM XR 5 STARR 4 STARR 3 STARR 2 STARR 1 STARR NO LINK Figure 3 4 Base Radio Link Test When enough messages have been observed link strength will be shown on the display 5 STARR indicates the strongest link while 1 STARR indicates the weakest link The Link Test will continue to be evaluated and the rating on the screen may adjust itself Keep in mind that the longer the Link Test runs the more data the Field Unit will have to evaluate The Field Unit installation site should strive to place the Field Unit in a location where it receives the highest number possible A stronger link means less data re transmits and longer battery life Conducting a Link Test from WIM To conduct a Link Test from WIM make sure that WIM is running on the PC attached to the Base Radio Then go to the Field Unit view and right click on the Field Unit you want to test Received data transmission from Figure 3 5 AWS Wireless Level Products Field Units User Guide Rev 0307 12 VZ Accutech Wireless Instrumentation Manager Connected File View Help acm Field Units C Al Fek Unts Total Field Units 1 O Alarming Field Units otal Field Units 1 E A Alarming Field Units 0 2 Peter Field Units Warning Field Units 1 ield Unit Groups Base Radios Ba i Selected Field Unit Field Unit Types Accutech Dual 4 20 m Input All Field Units Mo
4. To configure the abnormal transmission rate from the field unit follow the menu map below Note Once WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD menu See Section 4 1 for more details NEXT ENTER NEXT NEXT CABRA enter 1 5 SEC 10 SEC 15 SEC 20 SEC 40 SEC 60 SEC Figure 6 8 Menu Map to Abnormal Transmission Rate Setting 30 AWS Wireless Level Products Field Units User Guide Rev 0307 6 3 2 Configure the Abnormal Transmission Rate Using WIM 1 Open the configuration dialog box See Appendix A 2 In the configuration dialog box click the Sampling Rates tab to display the sampling rate information as shown below Gauge Level Pressure Properties 14 10 General Range peration Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Normal Transmit Rate j Sec _ vl Normal Sampling Abnormal Sampling Smart Smoothing The Smart Smoothing feature rejects noise and glitches by averaging samples within the deadband and ignoring the first sample outside the deadband I Enable Smart Smoothing 1 255 Seconds Psi SmartRate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes by the amount set Enable SmartRate Load from File Save to File Cancel Figure 6 9 Sampling Rates Tab 3 Select one of the time periods from the Abnormal Transmit Rate
5. User Guide Rev 1210 Table of Contents TABLE OF CONTENTS erento anA Osan tete eee esee dress IV TABLE OF FIGURES Ore bee Peace euer ainaani abiit nainii VI 1 INTRODUCTION eerie teneo rene retento AAR TARA nene ceder 1 1 1 USING THS MAN UA eee iere tte pete P re eget 1 1 2 ABOUT THE DEVICE nenne 2 1 37 UNPACKING hri de tee ree tito e rb eroe 2 1 4 SOFTWARE COMPATIBILITY sse 2 QUICK START 2222265222620066 Idee teiteiddeseeccee rei idit creieniedoe 3 INSTALLATION i roiie anaana setae 5 3 1 MECHANICAL INSTALLATION 9 5 bites pas Sua iiic ciii MuR 00000000 5 3 1 1 Field Unit Positioning eec ttes 5 3 2 TESTING COMMUNICATIONS at tiet cutie auatcata athe it le abiti 8 3 2 1 Field Unit RSSI Diagnostic eene 8 SEL 081 5 111 eii P PM ND 9 4 GENERAL CONFIGURATION eeeeeeeeeeneeen nennen nnn nnn nnne nnne nain 14 4 1 NAVIGATING USER MENU entire te tene ret rib toe np 14 4 2 FIELD UNIT DISPLAYED MESSAGES sesenta 14 4 2 The Read Only Sequence sess 15 4 3 OVERALL CONFIGURATION MENU MAP ccccccc cici i ciii eiii 16 4 4 SETTING THE FIELD UNIT TAG NAME eren 16 4 5 SETTING A USER PASSWORD isssseseeeeneneeneeerenenne nnns 17 4 6 RESETTING ALL FIELD UNIT SETTINGS eene 19 5 CONFIGURING THE RF COMMUNICATIONS
6. 4 Enter the Value and Time Deadband for the limit 5 Type a message in the LCD Message box to be displayed on the Field Unit when the value is beyond your set limit 6 Repeat steps 3 5 for the Lower Limit 7 Click OK to save and download the configuration changes to the Field Unit 39 AWS Wireless Level Products Field Units User Guide Rev 0307 Gl 40 Configuring the Process Variable This section helps you to select the engineering units and discusses the setting of a measurement offset and the trimming of the process measurement The subsections are as follows 7 1 Zeroing the Sensor 7 2 Setting a Measurement Offset 7 3 Trimming the Measurement 7 4 Entering a 22 Point Curve Zeroing the Sensor Zeroing the sensor can only be performed from the Field Unit You will need to check the position zero P ZERO reading on the transmitter The Level Field Unit is a sensitive device Its elevation and its orientation in the field may be different from the orientation in the factory where it received its last configuration To compensate for position changes you may need to perform a sensor position adjustment once the unit is installed If you have a Field Unit pressure reading of zero that is the Field Unit reading is within the specified accuracy of 0 1 of the full scale value when zero pressure is applied there is no need to zero the sensor If your zero reading is outside of this value you will need to
7. The type of battery can be identified from the battery label on the field unit Be certain that you replace the battery with the battery specified on the battery label as the battery contains protective components and must be replaced with an identical kind to maintain the safety features of the product To identify the type of battery in the individual field unit first find the battery label on the outside housing If you see the note Contains Battery Pack WI BATTERY KIT 01 on the battery label then you must replace the field unit battery with AWS Battery Pack Part Number WI BATTERY KIT 01 These battery packs with AWS Part Number WI Battery Kit 01 are available directly from AWS and may be ordered by calling 800 879 6576 The AWS Battery Pack WI BATTERY KIT 01 is a battery replacement kit The kit contains a battery encapsulated with electronic safety components along with two battery tie down clips 2 If you do not see the battery pack identification labels noted in item 1 above your field unit contains the following battery TADIRAN Lithium Inorganic Battery non rechargeable size C 3 6Volts s TL 2200 8 These replacement batteries with AWS Part Number WI BAT are available directly from AWS and may be ordered by calling 800 879 6576 3 To replace the battery or the battery pack first power down the Field Unit by pressing and holding the NEXT and ENTER buttons simultaneously for a few momen
8. eren 20 5 17 JRE CHANNEL SELECTIONS 3 p iie iE tee tie iere dts 20 5 2 RF BAUD RATE SELECTION essent 21 5 3 RF IDENTIFICATION RF ID SELECTION eee 22 6 CONFIGURING THE SAMPLING AND TRANSMISSION RATES 23 6 1 SELECTING THE NORMAL TRANSMISSION RATE enne 23 6 1 1 Configure the Normal Transmission Rate from the Field Ot RE T CETUR 24 6 1 2 Configure the Normal Transmission Rate Using WIM eT 25 6 2 SELECTING THE NORMAL SAMPLING RATE 25 6 2 1 Configure the Normal Sampling Rate from the Field KE A EN E ei apscaveasemcas cs ecc Dico refert nes 27 6 2 2 Configure the Normal Sampling Rate with WIM 28 6 3 SELECTING THE ABNORMAL TRANSMISSION RATE ene 29 6 3 1 Configure the Abnormal Transmission Rate from the Feld LU mi cnn etn a eu etel Nera 30 6 3 2 Configure the Abnormal Transmission Rate Using WIM p ns 31 6 4 SELECTING THE ABNORMAL SAMPLING RATE eene 32 AWS Level Field Units User Guide Rev 1210 IV 6 4 1 Configure the Abnormal Sampling Rate from the Field Unico Garet ode eben 33 6 4 2 Configure the Abnormal Sampling Rate Using WIM eere tanon RBS QUO ERAN Duae RR UE 34 6 5 SETTING THE SMART RATE THRESHOLD sese 35 6 5 1 Configure the Smart Rate from the Field Unit 35 6 5 2 Configure the Smart Rate Using WIM 36 6 6 SELECTING THE NORMAL UPPER AND LOWER VALUES 87 6 6 1 Co
9. 95 grams per milliliter KGPerLiter 96 kilograms per liter GramsPerLiter 97 grams per liter PoundsPerCuln 98 pounds per cubic inch ShTonPerCuYard 99 short tons per cubic yard DegTwad 100 degrees twaddell DegBaumHeavy 102 degrees baume heavy DegBaumLight 103 degrees baume light DegAPI 104 degrees API MicroGMPerLiter 146 micrograms per liter MicroGMPerCuMeter 147 micrograms per cubic meter PercentConsistency 148 percent consistency Viscosity Units Centistokes 54 centistokes Centipoise 55 centipoise Angular Velocity Units DegPerSec 117 degrees per second RPS 118 revolutions per second RPM 119 revolutions per minute Energy Work Units NM 69 newton meter DekaTherm 89 deka therm FtLbForce 126 foot pound force KWH 128 kilo watt hour MCal 162 mega calorie MJ 164 mega joule BTU 165 british thermal unit Force Units Newton 68 newton Power Units KW 127 kilo watt HP 129 horsepower MCalPerHr 140 mega calorie per hour MJPerHr 141 mega joule per hour BTUPerHr 142 british thermal unit per hour Frequency Units Hertz 38 hertz Analytical Units Percent 57 percent PH 59 pH PerSteamQuality 150 percent
10. D E F amp G Class I II Division 2 Groups A B C D F amp G 59 AWS Wireless Level Products Field Units User Guide Rev 0307 1 2 NPT M ALE Figure 10 2 WI GL I XX Dimensioned Mechanical Drawing 60 AWS Wireless Level Products Field Units User Guide Rev 0307 10 3 WI GL E XX Accuracy e t0 1 96 of sensor URL over temperature Stability e Combined zero and span stability Less than 0 1 of sensor URL per year at 70 F RF Characteristics e 902 MHz 928 MHz Frequency Hopping Spread Spectrum FCC certified ISM license free band e Up to 3000 range from Base Radio with clear line of sight 500 to 1000 range with obstructions e The RF module in each field unit is individually tested and calibrated over the full temperature range to ensure reliable wireless operation Operating Temperature Range e 40 F to 250 F 40 C to 121 C process temperature steady state 40 F to 185 F 40 C to 85 C ambient temperature sensor 40 F to 185 F 40 C to 85 C electronics 4F to 158 F 20 C to 70 C display full visibility 40 F to 185 F 40 C to 85 C display with reduced visibility Physical Characteristics e Type 316 Stainless Steel Base and Diaphragm e Standard 77 MNPT Other Options Available e GE Lexan cover V O rating and UV stable Operating Vibration and Shock Characteristics e Certified per IEC ENOOO0668 2 6 vibration and 2 27 shock Random Vibration Charact
11. Field Units maintain their synchronization with their Base Radio by simply assigning each of the two Field Units to talk to a different Base Radio Either way following this process will keep the Base Radio and Field Units properly synchronized for long term communication AWS Wireless Level Products Field Units User Guide Rev 0307 3 2 3 2 1 Testing Communications Remember that proper placement of the Field Unit will optimize your RF communication range and capabilities Perhaps the best test to perform before mechanically mounting the unit is a quick hand held test There are two types of tests you can conduct the RSSI Received Signal Strength Indicator Diagnostic and the Link Test The RSSI Diagnostic measures the strength of the signal at the Field Unit The Link Test measures the throughput of data sent to and from the Field Unit The Link Test may be conducted from the Field Unit Base Radio or through WIM The RSSI Diagnostic should be conducted first to determine if the Base Radio is communicating with the Field Unit Then the Link Test may be performed to test the validity of the installation To perform these tests you should have a good idea of where the Base Radio will be placed for more information see Section 3 of the Base Radio User Manual Place the Base Radio in the desired area and power on Make sure that the Base Radio and Field Unit are on the same RF Channel and Baud Rate See Section 5 You may also have
12. above 105 of the range of the Analog Input sensor If the measurement goes above 15096 of the full range the unit will go into Sensor Fault mode In over range mode the measurement is continually displayed with the OVERRNG message to remind you that the specified range of the sensor and the calibrated range of the device are being exceeded Fatal error messages will replace the normal cycling message sequence and will flash A fatal message indicates the Field Unit is no longer operating normally and requires repair These are RF ERR fatal error within RF communications SEN ERR fatal error within the sensor electronics SYS ERR fatal error within the microprocessor system RF CAL fatal error within the RF calibration system 66 AWS Wireless Level Products Field Units User Guide Rev 0307 Appendix C Field Unit Menu Map 67 Both buttons must be depressed for 1 second to turn on the Field Unit r se T a 5 BR AMNEM USER PROMPTED FOR USER PROMPTED FOR USER PROMPTED FOR Factory passwords will be hard I ke coded User password will be LDENOBUS I es Cumt eiie 0000 from factory NTER O RF CHAN enter RF CHT6 RF OFF is Defauit N EXT ENTER NEXT Lie NEXT Default of 19 2K NEXT NEXT Default of 000 NEXT AT ANY TIME NEXT z RF STATU NO Note If a menu is left unchanged for 2 minutes then the Field Unit will retum to the Operations r rs Sequence OPERATIONS SEQUENCE US
13. develops produces and supports partner specific high value industrial measurement and process solutions that enable our end users to increase efficiency through put and environmental compliance AWS customers include large national companies in the oil and gas chemicals pharmaceutical food and beverage primary materials processing and energy industries In addition to the wireless product line AWS also offers a traditional wired line of temperature pressure and differential pressure instrumentation In the process control field where quality is taken for granted and new technology is announced daily we have deliberately concentrated our efforts on the development of instrumentation that makes business sense The result is a product range that is rugged secure and reliable and works in even the most hazardous environments We give companies the tools to reduce costs save time enhance safety improve environmental performance and cut waste The next industrial revolution is right now Let AWS show you how to realize gains in operating efficiency Visit us at www adaptive wireless com Or call us at 1 978 875 6000 Specifications subject to change without notice Printed in USA Copyright 2010 Adaptive Wireless Solutions Adaptive Wireless Solutions Inc 577 Main St Phone 978 875 6000 Hudson Ma 01749 Fax 978 568 9085 www adaptive wireless com
14. drop down list box 4 Click OK to save and download the configuration changes to the Field Unit 31 AWS Wireless Level Products Field Units User Guide Rev 0307 32 Selecting the Abnormal Sampling Rate Note If the device is not configured to check for abnormal process conditions using the Sampling Bands section 6 6 2 the Abnormal Sampling rate is not used and this section can be ignored The Abnormal Sampling Rate is identical to the Normal Sampling Rate with one exception The Abnormal Sampling Rate only applies while the Field Unit is in an abnormal condition see 6 6 Selecting the Normal Upper and Lower Values This allows an increase or decrease of the frequency of information you receive depending on the operating conditions of the process being monitored In order to properly set the Abnormal Sampling Rate determine how often updates are needed from the Field Unit when the process being monitored is operating under normal conditions The Field Unit has a selectable range of 1 5 10 15 20 40 seconds and 1 minute Figure 6 10 is an example of how the device switches sampling methods from Normal Sampling Rates to Abnormal Sampling Rates Note how the first abnormal sample is taken a few seconds after the Normal Upper Value set point is exceeded The next sample will then follow this sample by five seconds or whatever the Abnormal Sampling Rate is set to These samples will continue at this interval until the process value drops
15. execute the position zero adjustment When P ZERO is selected the sensor is zeroed however the displayed value is calculated relative to the offset point The unit will display an amount equal to the keypad configured offset added to the WIM configured level offset if applicable If the intent is to have the unit display 0 the offsets must be zero before applying P ZERO For example if 3 PSI of pressure is applied to a sensor an offset of 5 PSI is entered into the keypad and P ZERO is applied the unit will display 5 PSI If the pressure is then raised by 1 PSI to 4 PSI the unit will display 6 PSI To set position zero power on the unit and apply zero pressure Be sure that the unit is installed in its final location or that it is oriented exactly as it will be in its final installation Then follow the menu map shown in Figure 7 1 AWS Wireless Level Products Field Units User Guide Rev 0307 CSET WIS UE ci Em LE M iu cse NEXT SAMPLING Lum XT Kee zo ENTER Figure 7 1 Menu Map to Pressure Zero Setting If ENTER is pressed while YES is being displayed the value is saved If ENTER is pressed while NO is being displayed the value is NOT saved When YES is selected the new displayed value will be equal to the offset 7 2 Setting a Measurement Offset For various applications you may wish to display an offset value rather than the actual value To enter an offset navigate to the OFFS
16. installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess of Health Canada limits for the general population consult Safety Code 6 obtainable from Health Canada s website www hc sc gc ca rpb FCC Certification e This product is a frequency hopping RF transceiver module for the 900MHz ISM band designed to meet FCC 15 247 and is used in industrial control and monitoring applications e The antenna is factory installed and MUST NOT be removed or modified by the user Adaptive Wireless Solutions reserves the right to update or change this user guide at anytime For the most recent version of the user guide please check our website www adaptive wireless com Adaptive Wireless Solutions 2010 Printed in the USA AWS Level Field Units User Guide Rev 1210 ll Rev Date Notes Initials 1 58 3 7 2005 Release TH 0605 6 24 2005 Reformatted TH 0206 2 2006 TH 0406 4 9 2006 Release CW 1206 1 9 2007 Edited grammar and AK readability 0307 03 20 2007 Added a Debugging AK the Field Unit section under Maintaining the Field Unit Merge Submersible and Level product manuals Battery changing supplement 1210 12 07 2010 AWS MJ Adaptive Wireless Solutions 577 Main Street Hudson MA 01749 USA TEL 978 875 6000 Email techsupport adaptive wireless com Web www adaptive wireless com AWS Level Field Units
17. minutes Sec 51 seconds Hr 52 hours Day 53 days Mass Units Gram 60 grams KG 61 kilograms MetricTon 62 metric tons Pound 63 pounds ShortTon 64 short tons LongTon 65 long tons Ounce 125 ounce Mass Flow Units GramPerSec 70 grams per second GramPerMin 71 grams per minute GramPerHr 72 grams per hour KGPerSec 73 kilograms per second KGPerMin 74 kilograms per minute KGPerHr 75 kilograms per hour KGPerDay 76 kilograms per day MetTonPerMin 77 metric tons per minute MetTonPerHr 78 metric tons per hour MetTonPerDay 79 metric tons per day PoundsPerSec 80 pounds per second PoundsPerMin 81 pounds per minute PoundsPerHr 82 pounds per hour PoundsPerDay 83 pounds per day ShTonPerMin 84 short tons per minute ShTonPerHr 85 short tons per hour ShTonPerDay 86 short tons per day LongTonPerHr 87 long tons per hour LongTonPerDay 88 long tons per day Density Units SGU 90 specific gravity units GramPerCuCm 91 grams per cubic centimeter AWS Wireless Level Products Field Units User Guide Rev 0307 72 KGPerCuMeter 92 kilograms per cubic meter PoundsPerGal 93 pounds per gallon PoundsPerCuFt 94 pounds per cubic foot GramsPerML
18. records recent errors that have occurred in a log Using the following debugging tools you will be able to keep track of all errors and RF communication problems that have occurred There is also the option to clear the logs of these records for debugging purposes 9 2 1 Error Log 9 2 2 Error Counts 9 2 3 RF Statistics 9 2 4 Clear Logs To use the above tools follow the Field Unit menu map shown in Figure 9 3 on the following page AWS Wireless Level Products Field Units User Guide Rev 0307 9 2 1 52 OPERATIONS SEQUENCE L NEXT CONFIG NExr DIAGNSE T ENTER USER PROMPTED FOR PASSWORD UF RSSI INK TST BATVOLT amp ERR LOG Y ERR CNT RF STAT LOG CLR EXIT 1 Figure 9 3 Menu Map to Error Log Error Counter RF Statistics and Log Clearing Error Log The error log holds information about the six most recent errors that have occurred within the firmware of the Field Unit Some errors are not fatal and can occur automatically as a result of the field unit s design However other errors indicate a potentially fatal condition and should be dealt with accordingly by using the table of errors in Figure 9 4 Navigate to the Error Log using the NEXT and ENTER buttons and Figure 9 3 as a guide When the display shows ERR LOG press Enter to enter the Error Log An error number and a
19. seen in Figure 6 16 Input Volts 10 8 p Cl 4 2 ashton Up a Ve Normal Condition set to 7 Volts 0 g T T T l 1 00 2 00 3 00 Time min sec Figure 6 16 Condition Chatter Elimination Due to Time Deadband 6 6 1 Configure the Upper and Lower Limits from the Field Unit The Upper and Lower Limits cannot be configured on Level Field Units The Upper and Lower Limits can only be enabled using WIM 38 AWS Wireless Level Products Field Units User Guide Rev 0307 6 6 2 Configure the Upper and Lower Limits Using WIM 1 Open the configuration dialog box See Appendix A 2 Click the Sampling Bands tab to display the sampling bands information as shown below Gauge Level Pressure Properties 14 10 General ange Operation Mode Sensor Offset Samet Sampling Bands Alarms Apper Limits V Use Input 1 Limit Value 50 0 Psi Time Deadband 5 0 Seconds LCD Message BAND1 Lower Limits J Use Input 1 Limit Value 5 0 Psi Time Deadband 5 0 Seconds LCD Message BAND2 This tab allows the user to set the Sampling Bands of the field unit The unit uses Normal sampling transmission rates when the primary values are within the bands When the value is outside of the bands it is considered Abnormal and Abnormal rates are used Load from File Save to File Cancel Figure 6 17 Normal Upper and Lower Value 3 Enable the Upper Limit by selecting the Use Input 1 Limit check box
20. sleep mode to save power during the operations sequence This mode turns off most of the electronics on the unit with the exception of the LCD in order to preserve battery life The Field Unit will then wake up every Normal Sampling Period and take the necessary process value readings The Field Unit will then transmit these readings to the Base Radio on an interval determined by the Normal Transmission Rate Notice that the fastest update rate of the Normal Transmission Rate is dependent on the baud rate setting you selected earlier see Section 5 2 The transmission rates cannot update data faster than their communication speed allows Thus if you selected the 19 2K Baud Rate setting your fastest transmission rate will be five seconds The Field Unit automatically determines these settings and adjusts the menu options accordingly A complete table of these parameters is shown in Section 6 2 In order to properly set the Normal Transmission Rate you must first determine how often you need updates from the Field Unit You have a selectable range of 1 5 10 15 20 40 seconds and 1 minute The factory default is 10 seconds If all of the data does not get through the data is resent the following second This prevents data from being lost However if the Transmission Rate is set to the maximum one second 76 8K baud then the data cannot be resent the following second because the next set of data must be sent in order to meet the Tran
21. sooner than the normal or abnormal rate that you specify This feature is used to construct a more accurate graph of the measured process value vs time than is possible with the fixed transmission rates while using less battery power If the process value changes by more than the entered Smart Rate amount within the normal or abnormal sampling rate whichever is active then the process variable is transmitted immediately The normal abnormal transmit clock is then reset upon this transmission If the Smart Rate amount is not exceeded in the next normal abnormal sample then the next transmission will be the normal abnormal transmit rate period The amount entered is in the same units as you selected to be displayed on the Field Unit If the measured process value does not change by more than the entered Smart Rate amount within the time between the sampling rates whichever is active then the process value is transmitted on the next transmit rate If changes in the process value which exceed the Smart Rate Amount continue to occur the process value is transmitted repeatedly Configure the Smart Rate from the Field Unit The Smart Rate cannot be configured on Level Field Units The Smart Rate can only be enabled using WIM AWS Wireless Level Products Field Units User Guide Rev 0307 6 5 2 Configure the Smart Rate Using WIM 1 Open the configuration dialog box See Appendix A 2 Click on the Sampling Rates tab to display the sampl
22. square inch absolute KGPerSqMeter 176 kilograms per square meter FtH2OAt4C 177 feet of water at 4 degC FtH2OAt60F 178 feet of water at 60 degF MetHgAtOC 179 meters of mercury at 0 degC MegaPascals 237 megapascals InH2OAt4C 238 inches of water at 4 degC MMH20OAt4C 239 millimeters of water at 4 degC Volumetric Flow Units CuFtPerMin 15 cubic feet per minute GalPerMin 16 gallons per minute LiterPerMin 17 liters per minute ImpGalPerMin 18 imperial gallons per minute CuMeterPerHr 19 cubic meter per hour GalPerSec 22 gallons per second MillionGalPerDay 23 million gallons per day LiterPerSec 24 liters per second MillionLiterPerDay 25 million liters per day CuFeetPerSec 26 cubic feet per second CuFeetPerDay 27 cubic feet per day CuMeterPerSec 28 cubic meters per second CuMeterPerDay 29 cubic meters per day ImpGalPerHr 30 imperial gallons per hour ImpGalPerDay 31 imperial gallons per day NormCuMeterPerHr 121 normal cubic meter per hour MKS System NormLiterPerHr 122 normal liter per hour MKS System StdCuFtPerMin 123 standard cubic feet per minute US System CuFeetPerHour 130 cubic feet per hour CuMeterPerMin 131 cubic meters per minute BarrelPerSec 132 barrels per second 1 Barre
23. steam quality PercentPlato 160 percent plato PerLowExpLevel 161 percent lower explosion level Capacitance Units PF 153 picofarads EMF Units MilliVolts 36 millivolts Volts 58 volts Current Units MA 39 milliamperes Resistance Units Ohms 37 ohms KOhms 163 kilo ohms Angle Units Deg 143 degrees AWS Wireless Level Products Field Units User Guide Rev 0307 73 Rad 144 radians Conductance Units MicroSiemens 56 micro siemens MilliSiemensPerCM 66 milli siemens per centimeter MicroSiemensPerCM 67 micro siemens per centimeter Volume per Volume Units VolumePercent 149 volume percent MilliLitersPerLiterz 154 milli liters per liter MicroLitersPerLiter 155 micro liters per liter Volume per Mass Units DegBalling 2 107 degrees balling CuFtPerLb 152 cubic feet per pound Concentration Units DegBrix 101 degrees brix PerSolidsPerWt 105 percent solids per weight PerSolidsPerVol 106 percent solids per volume PfPerVol 108 proof per volume PfPerMass 109 proof per mass PPM 139 parts per million PPB 169 parts per billion Special Units SpecialUnits 253 AWS Wireless Level Products Field Units User Guide Rev 0307 ABOUTUS Adaptive Wireless Solutions
24. to increment the number of Field Units with which the Base Radio is communicating See the Base Radio User Manual Section 4 3 Once both the Base Radio and Field Unit are set up to be on the same network make sure communication is established by looking at the Field Unit LCD for the RF OK message in the Read Only Sequence see Section 4 2 1 After communications have been established go to Section 3 2 1 for the RSSI Diagnostic or Section 3 2 2 for the Link Test Field Unit RSSI Diagnostic The Field Unit should be placed in RSSI Diagnostic mode to determine the signal strength at the location of the equipment to be monitored The RSSI Diagnostic located in the Field Unit s diagnostic menu displays the RF signal strength in one of seven ranges The signal strength is displayed on the LCD using a combination of gt and _ characters Full signal strength is displayed as gt gt gt gt gt gt gt while minimum signal strength is displayed as gt _ _ _ _ _ _ If the field unit is not communicating with the Base Radio i e NO RF all underscore characters will be displayed _ _____ The RSSI is measured every time the Field Unit receives a message from the Base Radio The signal strength of the received message from the Base Radio is calculated during this time The actual signal strength in dBm for each range is shown below gt gt gt gt gt gt gt Less than Between Between Be
25. will not reset the TRIM D or OFFSET values i 1 OPERATIONS SEQUENCE I l D es I 1 USER PROMPTED FOR PASSWORD UF I a E CN NEXT SAMPLING NEXT NEXT Figure 4 5 Menu Map to Reset All Field Unit Settings 19 AWS Wireless Level Products Field Units User Guide Rev 0307 5 1 20 Configuring the RF Communications In order for the Field Unit and the Base Radio to communicate they must be on the same RF Channel and must be transmitting at the same Baud Rate While all Field Units and Base Radios are set to default configurations at the factory if any configuration differences are present the Base Radio will not be able to communicate with the Field Units The subsections are as follows 5 1 RF Channel Selection 5 2 RF Baud Rate Selection 5 3 RF Identification RF ID Selection Warning If the Field Units have been running for an extended period of time with no signal from the Base Radio the Base Radio is off or not present the Field Units will only search for the Base Radio every one hour or so Turning the Field Units off and back on will cause them to begin searching immediately RF Channel Selection The RF Channel defines a set of frequencies on which communication takes place between the Base Radio and the Field Unit Each RF Channel has a different set of frequencies thus allowing you to have multiple different wireless networks co existing throughout the same fac
26. 1 of sensor URL per year at 60 F RF Characteristics e 902 MHz 928 MHz Frequency Hopping Spread Spectrum FCC certified ISM license free band e Up to 3000 range from Base Radio with clear line of sight 500 to 1000 range with obstructions e The RF module in each field unit is individually tested and calibrated over the full temperature range to ensure reliable wireless operation Operating Temperature Range e 4 to 140 F 20 C to 60 C process temperature steady state e 4 to 140 20 C to 60 C electronics e A F to 140 20 C to 60 C display full visibility Physical Characteristics e Type titanium base and diaphragm e GE Lexan cover V 0 rating and UV stable Operating Vibration and Shock Characteristics e Certified per IEC ENOOO0668 2 6 vibration and 2 27 shock Random Vibration Characteristics e Certified to withstand 6 g s 15 minutes per Axis from 9 500 Hz Electromagnetic Compatibility CE Compliance e Operates within specification in fields from 80 to 1 000 MHz with Field strengths to 30 V m Meets EN 50082 1 general immunity standard and EN 55011 compatibility emissions standard Industrial Certification For ordinary locations only 57 AWS Wireless Level Products Field Units User Guide Rev 0307 SO Ft Cable Figure 10 1 WI SL XX Dimensioned Mechanical Drawing 58 AWS Wireless Level Products Field Units User Guide Rev 0307 10 2 WI GL I XX Accuracy e t0 1 96 of senso
27. 65 AWS Wireless Level Products Field Units User Guide Rev 0307 Appendix B Field Unit Displayed Message Definitions This section covers the various messages displayed on the Field Unit LCD that occur during operation of the device Operations Sequence RF Link Status RF OK Field Unit and Base Radio are communicating properly RF SYNC Field Unit and Base Radio are attempting to synchronize communications RF OFF Field Unit s RF Channel is set to RF OFF NO RF Field Unit and Base Radio are not communicating Gauge Level Input Level XX XX Currently measured differential input level Error Messages If an error is detected with the operation of the Field Unit a message will be displayed on the Field Unit LCD a corresponding message may also appear on the Base Radio LCD There are several types of error messages both warnings and fatal errors Warning messages are displayed as part of the normal cycling message sequence These are LOW BAT battery should be replaced as soon as possible NO RF can not detect Base Radio S FAULT there is an open sensor or excitation wire detected Also displayed if a sensor value goes above below logical limits The unit will display 9999 99 for measurement sensor fault mode but will continue sampling and recover if the problem desists OVERRNG the device is measuring a value above below sensor dependent bound values For example the Analog Input device will report over range if measurement is
28. EE Rev 1210 A d WIRELESS SOLUTIONS Level Products User Manual User Guide Rev 1210 Adaptive Wireless Solutions Inc 577 Main St Phone 978 875 6000 Hudson Ma 01749 www adaptive wireless com AWS Level Field Units User Guide Rev 1210 Level Field Units Models WI SL xx WI GL I xx WI GL E xx WI GL E Y6 XX Versions 1 70 or later Important Information for the User e Changes or modifications not expressly approved by Adaptive Wireless Solutions may void the user s authority to operate the equipment e This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation e This device is for mobile and fixed use only not portable or body worn A separation distance of 20cm must be maintained at all times between the antenna and the body of the user and bodies of nearby persons e This device has been designed to operate with an antenna having a maximum gain of 9 dBd Antenna having a higher gain is strictly prohibited per regulations of Industry Canada The required antenna impedance is 50 ohms e To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the EIRP Equivalent Isotropically Radiated Power is not more than that required for successful communication e The
29. EQUENCE Next CONFIG gt ENTE SELECTED NEW qu TEN 4 ENTER TRIM IS SAVED RE k MES IF NO IS i USER i NEW TRIM TRIM Enter SELECTED TRIM PROMPTED POINT IS FOR NEXT DISCARDED iPASSWORD 4 225 IF YES IS RESET enter ENTER PRESSED TRIM IS SET RF ENTER RESET da d IF NO IS E PRESSED NEW mE Lex pe mis CANCELLED NEXT TRIM fenter INPUT 1 F NEXT INPUT 2 NEXT Figure 7 3 Menu Map to Trim Setting Entering a 22 Point Curve If you are running WIM a 22 point sensor offset curve may be entered for the Field Unit To do so open the configuration dialog box See Appendix A Once in the configuration dialog box click the Sensor Offset tab to bring up the offset information as shown for Level in Figure 7 4 and for Pressure in Figure 7 5 Note For Gauge Level a 22 point curve table must be filled out for correct operation AWS Wireless Level Products Field Units User Guide Rev 0307 Gauge Level ure Properties 14 10 Figure 7 4 Setting a 22 Point Curve for Level Using WIM Gauge Level Pressure Properties 14 10 Sam Figure 7 5 Setting a 22 Point Curve for Pressure Using WIM 43 AWS Wireless Level Products Field Units User Guide Rev 0307 8 1 44 Selecting and Configuring Operation Modes In this section the two operation modes Pressure and Gauge Level are discussed in order to aid you in selecting the right mode for your application and prop
30. ER PRO ea pee el 3 I b _ PASSWORD UF R Field Unit Menu Map page 1 AWS Wireless Level Products Field Units User Guide Rev 0307 NEXT L User will be locked out of the following menus if WIM is available from last page r LSET PWD geENTER gt C XXXX Default of 0000 Note The Baud Rate determines the maximum speed of the Transmission Rates NEXT aame CAIXA ENTER gt XXXXXXO EVTER a b c NEXT NEXT NEXT NEXT NEXT C EXT Field Unit Menu Map page 2 68 AWS Wireless Level Products Field Units User Guide Rev 0307 T GL Field Unit User Interface Spec from last page eer PST NEXT NEXT NEXT NEXT NEXT NEXT NEXT Allows specific gravities greater than ENTER gt SP GRAV J ENTER XX XXXXX and less than 100 with 5 decimal NEXT places of precision NEXT lt OTHER OTHER menu will be the current user units if not in the list This will be NEXT skipped if it isn t necessary If ENTER is pressed while YES is being displayed the value is saved If ENTER is pressed while NO is being displayed the value is NOT saved When YES is selected the new displayed value will NEXT be equal to the offset Mera INPUT T The user must apply the POINT 1 amp POINT NEXT 2 to the sensor then NEXT rb select YES To save the point NTER NeR NEW TRIT eN ese APPLY enter NEXT NEXT ARES R au va aio E d LCHIERT J gt 0000700 enren gt APPLY enr NEXT r NEXT CERTZ pA Y
31. ET command as shown in Figure 7 2 Then enter the offset to be added or subtracted from the actual measured value Ti 1 i OPERATIONS SEQUENCE HNEXT USER PROMPTED FOR PASSWORD NEXT SET Pwo NEXT ISETTAS NEXT SRH LRG NEXT NEXT OFFSET Jens CINPUTT NEXT ext Figure 7 2 Menu Map to Offset Setting 41 AWS Wireless Level Products Field Units User Guide Rev 0307 7 3 7 4 42 Trimming the Measurement The Field Unit interface allows you to set a two point correction curve for the sensor This process is often called trimming because the displayed value is trimmed up or down to reflect the actual value being applied To set a trim point take the Field Unit offline navigate to the TRIM menu as shown in Figure 7 3 select the input to be trimmed and then select the point you wish to enter After selecting the point you will have the option to trim the device or reset the trim If NEW TRIM is selected you will be prompted to enter the lower point first Type the value and press ENTER The Field Unit will prompt you to apply the indicated process value to the Field Unit Apply the process value and press ENTER Repeat the process for the higher point After both points have been trimmed you can choose to save or discard the new trim LO PNT 0000 00 FENTER gt APPLY NTER I ENTER HIPNT gt 0000 00 ewem APPLY Jenter kL IF YES IS OPERATIONS S
32. I GL I XX is a Gauge Level Field Unit with an integrated sensor e WI GL E XX is a Gauge Level Field Unit with an extended sensor This Field Unit is for locations where the sensor is too close to the ground a dike or additional obstructions It allows you to position the Field Unit transmitter in a location for optimal communication with the Base Radio e WI GL E Y6 XX is a Gauge Level Field Unit with an extended sensor and a high gain directional Yagi antenna This Field Unit has all of the benefits of the WI GL E XX plus the high gain antenna to increase the transmission distance between the Field Unit and Base Radio e WI SL XX is a Submersible Level Field Unit with a cable mounted sensor Mechanical Installation In this section mechanical installation instructions are discussed for the various setup capabilities of the Level Field Units Each AWS Level Field Unit is a rugged device but it provides much better performance if installed with careful consideration as noted in this manual It may be utilized in any Level measurement application so long as care is exercised to prevent exposing the sensing elements to excess stress or temperature Installation practices greatly impact these service parameters and the life that you can expect from your AWS Level Field Units Carefully consider the environment in which you will install your instrument Avoid installations that expose the device to excess temperature high vibration co
33. RF Baud Rate Selection The RF Baud Rate refers to the speed at which the Base Radio and Field Units communicate The RF baud rate for the Base Radio and the Field Unit must be the same in order for them to communicate successfully There are three selectable settings with the fastest update times and ranges listed below e 48K Rate of 4 8K baud Update every 20 seconds Range of 3000ft Line of Sight e 19 2K Rate of 19 2K baud Update every 5 seconds Range of 2000ft to 2500ft Line of Sight e 76 8K Rate of 76 8K baud Update every 1 second Range of 500ft to 750ft Line of Sight A faster RF Baud Rate allows you to transmit more information in a given period of time but it will also limit the Field Unit s range If you need more distance out of your Field Units or are encountering difficulties by frequently losing communications then select a slower baud rate Follow the Base Radio menu map shown in Figure 5 2 to configure the RF Baud Rate The factory default is the 19 2K Baud Rate USER PROMPTED FOR A meg m oe FEE 1 PASSWORD ENTER NEXT ENTER NEXT NEXT Default of 19 2K Figure 5 2 Menu Map to Baud Rate Setting Note If you change the baud rate of a Field Unit you must also change the baud rate of the Base Radio and all other Field Units that are communicating with that Base Radio 21 AWS Wireless Level Products Field Units User Guide Rev 0307 5 3 22 RF Identification RF ID S
34. SPLAYED MESSAGE DEFINITIONS 66 APPENDIX C FIELD UNIT MENU MAP eene 67 APPENDIX D MODBUS REGISTER DEFINITIONS 70 AWS Level Field Units User Guide Rev 1210 Table of Figures Figure 3 1 Examples of Incorrect Field Unit Positioning sssss 6 Figure 3 2 Menu Map to RSSI Mode sse 9 Figure 3 3 Field Unit Link Test esee 10 Figure 3 4 Base Radio Link Test sssseseeeee 11 Figure 3 5 WIM Field Unit View esseeeem mm 12 Figure 3 6 Wireless Data Loss Test ssseseee 12 Figure 4 1 Field Unit Power Up and Operations LCD Sequences 15 Figure 4 2 The Read Only Sequence sse 15 Figure 4 3 Overall Configuration Menu Map eseeeneee 16 Figure 4 4 Setting a User Password cccccciiciiiiiiiiiiiiiiiiiiiciiiii iini niii 18 Figure 4 5 Menu Map to Reset All Field Unit Settings sssssse 19 Figure 5 1 Menu Map to RF Channel Setting 20 Figure 5 2 Menu Map to Baud Rate Setting sss 21 Figure 5 3 Menu Map to RF ID Setting ssssssseeeeem 22 Figure 6 1 Menu Map to Normal Transmission Rate Setting 24 Figure 6 2 Sampling Rates Tab ssssssssssseeeeeen nene 25 Figure 6 3 Incorrec
35. al MPASCAL Millibar MBAR Millimeters of Mercury MM HG Millimeters of Water MM H20 Mm water 4 C MMH204C Pascals PASCALS Percent PER FS Pounds per in2 PSI PSI Special SPECIAL Torr TORR Once you select the engineering units you have the option of enabling a 22 point sensor offset curve it is disabled upon delivery from the factory For additional information on a 22 point sensor curve see Section 7 4 Gauge Level This mode will calculate the level and display it in the units of your choice In this mode you have the option of entering the density of the material or the full tank pressure Also you must enter tank height and tank volume Finally you must select level units which can be in units of height volume or mass The entered information is used to make level calculations in the units you selected For non uniform tanks you must also fill out the 22 point curve table indicating the relationship between height and volume To set the Field Unit to this operation mode you must go to the configuration dialog box in WIM For further instructions on opening the configuration dialog box see Appendix A AWS Wireless Level Products Field Units User Guide Rev 0307 Once you have opened the configuration dialog box select the Operation Mode tab at the top of the dialog box and then select Fluid Level in the Mode drop down list box You will then see a dialog box like the one shown in Figure 8 2 Gauge Level P
36. and removing the contents save the packing material and the carton 1 4 SOFTWARE COMPATIBILITY Software for AWS is revised periodically Internal device software may contain portions that are not compatible with previous versions of WIM Wireless Instrumentation Manager software To ensure software compatibility WIM version 1 70 138 or later must be used If you believe you are experiencing software compatibility issues please call Adaptive Wireless Solutions Technical Support at 978 875 6000 or email techsupport adaptive wireless com AWS Wireless Level Products Field Units User Guide Rev 0307 Quick Start This section summarizes what must be done in order to get the device installed configured and in operation quickly However it does not provide detailed or step by step instructions explaining how to perform the tasks outlined 1 2 9 10 Install the Field Unit in the desired location of operation Turn on the Field Unit by simultaneously pressing and holding the ENTER and NEXT buttons until the unit powers up Hit the NEXT button until the CONFIG message appears then hit ENTER Enter the default password 0000 to enter the CONFIG menu Enter the SET RF menu Set the RF CHAN setting equal to the Base Radio s RF Channel Set the BAUD RT setting equal to the Base Radio s RF Baud Rate Set the RF ID number to be a unique value between 1 and 100 Zero the sensor Trim and Offset the measurement if appr
37. ar point you may want to try a slower baud rate setting for an increased range Note While using a slower baud rate increases communication distance it also increases the minimum transmit time See Section 5 2 for a list of the fastest transmit rates for each baud rate This may not be suitable for your application One final solution is to reposition the AWS Base Radio However this may affect communications with previously installed Field Units and if so may require the use of a second Base Radio for your application To select a better spot for the Base Radio see Section 3 1 1 of the Base Radio User Manual Link Test The Link Test measures the wireless link performance of a Field Unit running in its normal operating mode Messages are sent from the Field Unit to the Base Radio at a predefined interval called the Transmit Rate see Section 6 1 Each message contains data for the previous time period since the last transmit The Link Test looks at the wireless performance going in both directions from the Field Unit to the Base Radio and vice versa and comes up with a rating The result that appears on the display shows the determined link strength In order to perform this test the Field Unit must be communicating on the same channel and baud rate as the Base Radio See Section 5 to configure communications The Link Test may be conducted from the Field Unit Base Radio or through WIM Running the Link Test from WIM is ideal for t
38. ation or step by step instructions explaining how to perform the tasks outlined 3 Installation This section covers general considerations regarding correctly commissioning the Field Unit as well as unique applications such as flow service commissioning Also covered in this section are mechanical installation considerations such as Field Unit placement 4 General Configuration In this section general configuration options such as password protection and selecting a user password are discussed Also covered is the setting of a Field Unit tag name resetting of all Field Unit settings and a discussion of the various messages that are displayed on the Field Unit LCD 5 Configuring the RF Communications This section covers the setup of the Field Unit RF Communications that allow the Field Unit to achieve communication with the Base Radio Parameters discussed are the Field Unit RF ID the RF channel setting and Baud Rate 6 Configuring the Sampling and Transmission Rates This section aids you in selecting the amount of time between each sample of the process and the time between each transmission of this sample to the Base Radio Also discussed is the use of setting an abnormal threshold in which sampling and transmission times may change during a period when the process variable is within the abnormal region 7 Configuring the Process Variable This section helps you to zero the sensor and discusses setting a measurement offset and trim
39. below the Normal Upper Value set point Input Volts 10 a Abnormal Condition Abnormal Sample Normal Upper Value Normal Sampling Rate of 15 Sec Abnormal Sampling Rate of 5 Sec Normal Upper Value of 2 5 Figure 6 10 Example of Abnormal Sampling Rate Setting Once the process value drops below this set point the sampling rate will return to the Normal Sampling Rate Also the Abnormal Sampling must be equal to or faster than the Abnormal Transmission Rate You should also note that the transmission time depends on the sample rate and when the process variable is sampled If the Normal Sampling Rate is 30 seconds then the process variable may be above the Normal Upper Value for up to 29 seconds before abnormal condition is detected This means that the transmission could be as late as 29 seconds after the process variable exceeded the Normal Upper Value AWS Wireless Level Products Field Units User Guide Rev 0307 Once you have decided the proper time for the Abnormal Sampling Rate select this setting from the Field Unit or through WIM 6 4 4 Configure the Abnormal Sampling Rate from the Field Unit To configure the abnormal sampling rate from the field unit follow the menu map below Note Once WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD Menu NEXT ENTER NEXT NEXT NEXT Cx sg en 1 5 SEC 10 SEC 15 SEC 20 SEC 30 SEC 60 SEC Fig
40. counters that keep track of the number of times each particular error has occurred Each counter is associated with a different error type all of which are outlined in Figure 9 5 Navigate to the Error Counts using the NEXT and ENTER buttons and Figure 9 3 as a guide When the display shows ERR CNT press Enter to enter the Error Counts menu C1 is displayed on the Field Unit followed by a number that shows the value of the counter For example C1 5 indicates that the error specified by C1 has occurred five times since the last time the log was cleared for the Clear Logs tool see section 9 2 4 53 AWS Wireless Level Products Field Units User Guide Rev 0307 9 2 3 54 Pressing the NEXT button while the Field Unit is displaying an error count will show the NEXT logged entry Once the unit has cycled through all error counts C1 C6 the unit will return to C1 the next time you press the NEXT button Cold Resets Indicates the number of times the device has been restarted cold This means that a source of power such as a battery was removed Warm Resets Indicates the number of times the firmware of the device has reset itself Watchdog Resets Indicates the number of times the embedded C CPU has crashed The watchdog module physically resets the CPU if it crashes Oscillator Faults Indicates the number of times the onboard oscillator has failed to run properly 4 2 3 4 Stack Overflows Indicates the number of
41. e is not followed the communication range of the Field Units will be significantly reduced and the Field Units may eventually lose communication with the Base Radio entirely This procedure is easy to implement but please read carefully for a full understanding The AWS Base Radio synchronizes with the Field Units in Synch Groups of seven organized by their RFID numbers If you want to place two Field Units closer than six feet make sure that you have set them in different groups Note that this only applies to Field Units that are communicating with the same Base Radio The groups are defined in the following table Group RFID Range 1 1 7 2 8 14 3 15 21 4 22 28 5 29 35 6 36 42 7 43 49 8 50 56 9 57 63 10 64 70 11 71 77 12 78 84 13 85 91 14 92 98 15 99 100 For example if two Field Units are placed one foot apart and the first Field Unit has an RFID number of 027 it is in the 4 group 22 28 The second Field Unit must have an RFID number that is in another group less than 22 or greater than 28 Setting the RFIDs of two closely spaced Field Units so that the RFID numbers are greater than seven apart ensures that the Field Units are in different Base Radio sync groups This allows the closely spaced Field Units to properly receive their synchronization signal from the Base Radio and maintain their proper communication and range You can also ensure that closely spaced
42. ed trying to send the message Figure 9 6 RF Statistics code descriptions For debugging purposes you may wish to reset the values of all error or condition counters to determine how many errors or conditions will occur within a given time period In order to do this the Clear Logs feature can be utilized This tool will clear all logs including the Error Log the Error Counts and the RF Statistics counters Navigate to the Clear Logs menu using the NEXT and ENTER buttons and Figure 9 3 as a guide When the display shows LOG CLR press Enter to enter the Clear Logs menu 55 AWS Wireless Level Products Field Units User Guide Rev 0307 56 The Field Unit will display NO on the screen and wait for your input Pressing the ENTER button while NO is displayed will cause the Field Unit to return to the diagnostic menu and no changes will be made to the logs Pressing the NEXT button while NO is displayed will cause the Field Unit to display YES Pressing the ENTER button while YES is displayed will cause the Error Log the Error Counts and the RF Statistics counters to be reset to zero To ensure that the operation is complete make sure OK is displayed on the screen after clearing the logs AWS Wireless Level Products Field Units User Guide Rev 0307 10 Technical Specifications 10 1 WI SL XX Accuracy e t0 1 96 of sensor URL over temperature Stability e Combined zero and span stability Less than 0
43. educed by the amount of RF Noise present obstructions and the material properties of the obstructions e Only place the Field Unit in ambient operating temperatures of 40 F to 185 F 40 C to 85 C Figure 3 1 shown below gives examples of incorrect setups according to the previously mentioned parameters Outside Base Radio x Um f range 9 Os Field Units too hp S009 close together l 957 See Section3 1 1 1 A9 Qu TAE r T Base Radio Bottom aimed at Base Radio Behind too great of an obstacle Obstruction Figure 3 1 Examples of Incorrect Field Unit Positioning Because there are so many setup possibilities we cannot cover them all A correct setup would make sure that the above warnings are heeded and that the Field Unit and Base Radio are capable of communicating The Testing Communications section will help you to determine if you have selected the correct installation points and orientations for your application AWS Wireless Level Products Field Units User Guide Rev 0307 3 1 1 1 Warning During installation do not apply force to the instrument housing or antenna Use a proper wrench for all installations Failure to use correct installation procedures can cause damage to the Field Unit Technique for Close Positioning of Field Units Field Units may be placed closely together by carefully following this procedure If this procedur
44. eld Unit on press and hold both the NEXT and ENTER buttons simultaneously for a few seconds Upon power up the Field Unit will display the Power AWS Wireless Level Products Field Units User Guide Rev 0307 Up Sequence and then go into the Operations Sequence These sequences are shown in Figure 4 1 SL amp GL Field Unit User Interface Spec POWER L ENCE WES TAG NO Powe ra pia venxx H ranae Both buttons must be depressed for 1 second to turn on the Field Unit r OPERATIONS SEQUENCE E am au an an an a a a Figure 4 1 Field Unit Power Up and Operations LCD Sequences Note During configuration and testing keep Field Units at least six feet from the Base Radio and other Field Units 4 2 4 The Read Only Sequence Once the Field Unit is in the Operations Sequence you may access the Read Only Sequence without a password by simply pressing the ENTER button at any time The Read Only Sequence as shown in Figure 4 2 displays extra information about the current settings of the Field Unit that is not seen during the Operations Sequence but does not allow any changes to be made to these settings ERROR MSG RF ERR SEN ERR LOW BAT RF OFF NO RF Figure 4 2 The Read Only Sequence 15 AWS Wireless Level Products Field Units User Guide Rev 0307 4 3 Overall Configuration Menu Map A complete Field Unit Menu Map is shown in Appendix C Below is an overall view o
45. election Each Field Unit is identified by the Base Radio and WIM according to the RF ID given to that particular unit Two Field Units on the same RF Channel CANNOT have the same RF ID if you do not know the RF Channel see section 5 1 When the Field Unit is in the Operations Sequence pressing the ENTER button displays the Read Only Sequence on the LCD The RF of that unit will be displayed in the format ID 3 All Field Units in your system are set to a default RF ID number upon shipment For example if you have ordered a Base Radio and three Field Units the Field Units will be configured to ID s 0 0 and 0 You must set these units to three different RF IDs between 1 and 100 The Field Units in this example could be set to RF IDs 1 2 and 3 First determine the RF ID s you d like to give each unit Then follow the menu map shown in Figure 5 3 to configure the RF ID The factory default is RF ID 0 which disables the RF communication of the unit 42 1 NEXT NEXT C R I feter Mer Default of 000 Figure 5 3 Menu Map to RF ID Setting Once you have selected the RF ID you wish to use for this particular Field Unit exit the menus and return to the Operations Sequence The Field Unit should now be successfully configured to the Base Radio To check this press ENTER while the Field Unit is in the Operations Sequence for the Read Only Sequence to be displayed You may see an RF SYNC message displayed on the Field Unit LCD This mean
46. eristics e Certified to withstand 6 g s 15 minutes per Axis from 9 500 Hz Electromagnetic Compatibility CE Compliance e Operates within specification in fields from 80 to 1 000 MHz with Field strengths to 30 V m Meets EN 50082 1 general immunity standard and EN 55011 compatibility emissions standard Industrial Certification e Rated for industrial use 40 F to 185 F 40 C to 85 C e FM NEMA 4 weather proof housing e FM rated intrinsically safe for Class I I IIIl Division 1 Groups A B C D E F amp G Class MI Division 2 Groups A B C D F amp G 61 AWS Wireless Level Products Field Units User Guide Rev 0307 62 W2 HPT Process Ating Figure 10 3 WI GL E XX Dimensioned Mechanical Drawing AWS Wireless Level Products Field Units User Guide Rev 0307 10 4 WI GL E Y6 XX Accuracy e t0 1 96 of sensor URL over temperature Stability e Combined zero and span stability Less than 0 1 of sensor URL per year at 70 F RF Characteristics e 902 MHz 928 MHz Frequency Hopping Spread Spectrum FCC certified ISM license free band e Up to 3000 range from Base Radio with clear line of sight e The RF module in each field unit is individually tested and calibrated over the full temperature range to ensure reliable wireless operation Operating Temperature Range e 40 F to 250 F 40 C to 121 C process temperature steady state 40 F to 185 F 40 C to 85 C ambient temperature sensor 40 F t
47. erly configuring the Field Unit The subsections are as follows 8 1 Pressure 8 2 Gauge Level Pressure This mode simply calculates and displays the Pressure value from the Gauge Level sensor To set the Field Unit to this operation mode you must go to the configuration dialog box in WIM For further instructions on opening the configuration dialog box see Appendix A Once you have opened the configuration dialog box select the Operation Mode tab at the top of the dialog box You should then see a dialog box like the one shown below Gauge Level Pressure Properties 14 10 Sampling Rates Sampling Bands Alarms General Range Operation Mode Sensor Offset Mode Pressure in Pressure Units Psi Load from File Save to File Figure 8 1 Pressure Setting Using WIM To select the Pressure mode select Pressure in the Mode drop down list box This will display the Pressure Units drop down list box which will allow the selection of Pressure engineering units You should select the units that are appropriate for your application All possible units are listed on the next page AWS Wireless Level Products Field Units User Guide Rev 0307 8 2 45 Atmospheres ATMS Bar BAR Feet of Water FT H20 Grams cm2 GM SQCM Inches of Mercury IN HG Inches of Water IN H2O Inches water 4 C INH204C Kilograms cm2 KG SQCM Kilopascal KPASCAL Megapasc
48. esting communications for an installation with remote Field Units or those that are hard to reach To conduct the Link Test from a Base Radio see Section 3 2 2 2 To conduct the Link Test from WIM see Section 3 2 2 3 AWS Wireless Level Products Field Units User Guide Rev 0307 3 2 2 1 Conducting a Link Test from the Field Unit The Link Test is located in the Field Unit s diagnostic menu see Figure 3 3 OPERATIONS SEQUENCE 3 2 2 2 10 dm ENTER 5 STARR 4 STARR 3 STARR 2 STARR 1 STARR NO LINK Figure 3 3 Field Unit Link Test Using the NEXT and ENTER buttons navigate to Link Test and press the ENTER button to begin the test The Field Unit will begin to test the link in both directions to and from the Base Radio During this time the word TEST will appear on the LCD display When the test is complete the Field Unit will display the quality of the link Be aware that the Field Unit uses the configured Baud Rate and transmission rate to perform this test The length of time it will take to perform this test depends on the device s normal transmitting rate When enough messages have been observed link strength will be shown on the display 5 STARR indicates the strongest link while 1 STARR indicates the weakest link The Link Test will continue to be evaluated and the rating on the screen may adjust itself Keep in mind that the longer the Link Test runs the more data the Field Unit will have to eval
49. f the configuration menu to aid you in setting up the Field Unit for proper operation T NEXT NEXT NEXT DIAGNSE NEXT FACTORY NEXT EXIT USER PROMPTED FOR PASSWORD UF CSTAS NEXT SAMPLING NEXT NEXT Figure 4 3 Overall Configuration Menu Map Note You must enter a four digit password to enter the CONFIG and DIAGNSE menus The FACTORY menu is for factory use only The default user password is 0000 For more information about the password see Section 4 5 4 4 Setting the Field Unit Tag Name Note Once WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD menu See Section 4 1 for more details Each Field Unit has a user settable Field Unit Tag Name This Tag Name is displayed upon Field Unit power up and when the Read Only Sequence is selected The Tag Name is a 21 character string that is displayed in three separate 7 character flashes on the Field Unit LCD 16 AWS Wireless Level Products Field Units User Guide Rev 0307 17 You may choose from A Z 0 9 a dash and an underscore _ The underscore has a special meaning to the software inside the Field Unit For example if you have a Tag Name that is only five characters long then you may not want to wait for the remaining 16 characters to be displayed on the LCD So if your Tag Name was TANK1 you would want to enter the Tag Name like this TANK1 The Tag Name ca
50. here is a small detent in the connector which must be fully depressed to remove the battery wiring connector Once the detent is sufficiently depressed the connector sections are easily disengaged If the connector sections do not disengage easily you have not depressed the detent sufficiently Do not apply a large amount of force to separate the connection sections and do not pry the connector apart b Cut the plastic tie wraps that hold the battery pack in place c Remove the battery pack and the plastic tie wraps d Slide the new plastic tie wraps included in the replacement kit through the mounting holders on the circuit board e Place the new battery pack on the mounting holders and fasten the two tie wraps f Plug the connector into the battery connector on the circuit board Note that the connector has a specific mating orientation and is intended to only engage in one orientation Do not force the connectors together If it does not fit easily check to see if the battery connector is backwards and try to plug the connector in again 6 If the battery looks like that shown in Figure 9 2 on page 51 then replace it by following steps 6 a through 6b and then proceed to Step 7 49 AWS Wireless Level Products Field Units User Guide Rev 0307 Figure 9 1 WI Battery Kit 01 a Look carefully at the battery in the unit and identify the positive end and the Negative end The positive and negative terminals are marked on
51. ility All Base Radios and Field Units can be set to one of 16 different RF channels The only Field Units recognized by a particular Base Radio are the units that are on the same RF Channel as that Base Radio This allows you to decide which Field Units communicate with each Base Radio The RF Channel idea is analogous to a set of walkie talkies If both walkie talkies are on channel one they can communicate If a walkie talkie is on channel one and the other is on channel two they cannot communicate Likewise if two walkie talkies are on channel one and two other walkie talkies are on channel two the walkie talkies on channel one cannot hear what is being transmitted by the walkie talkies on channel two Each Field Unit comes from the factory with the RF Channel set to OFF This means the Field Unit will not communicate with any Base Radio To set the Field Unit for communication first determine the channel that you want to use Then follow the Field Unit menu map shown in Figure 5 1 to configure the RF Channel quom gt a a ENTER RF CHAN enter gt _RF CH16 Default of RF OFF Figure 5 1 Menu Map to RF Channel Setting AWS Wireless Level Products Field Units User Guide Rev 0307 Once in the RF Channel menu increment it by pressing the NEXT button When selecting this value do not choose an RF Channel that is currently being used by other AWS Wireless Systems as this can cause communication problems 5 2
52. ing rate information as shown below Gauge Level Pressure Properties 14 10 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Normal Transmit Rate i0Sec Abnormal Transmit Rate sec gt Normal S ampling se Abnormal S ampling ise gt Smart Smoothing The Smart Smoothing feature rejects noise and glitches by averaging samples within the deadband and ignoring the first sample outside the deadband Enable Smart Smoothing 1 255 Seconds Psi SmartRate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes b Enable SmartR ate Load from File Save to File Cancel Figure 6 13 Smart Rate Configuration Using WIM 3 Select the Enable SmartRate check box 4 Enter the amount the process value needs to change in order to trigger a transmission to be sent 5 Click OK to save and download the configuration changes to the Field Unit 36 AWS Wireless Level Products Field Units User Guide Rev 0307 6 6 37 Selecting the Normal Upper and Lower Values Each Field Unit is equipped with an upper and lower value for the analog input level As the analog input is measured it is compared to a set threshold value Depending upon the setting of that value whether it is enabled or not and what the Time Deadband is the Field Unit will enter an Abnormal condition as seen in Figure 6 14
53. l 42 US gallons BarrelPerMin 133 barrels per minute BarrelPerHr 134 barrels per hour BarrelPerDay 135 barrels per day GalPerHr 136 gallons per hour ImpGalPerSec 137 imperial gallons per hour LiterPerHr 138 liters per hour Velocity Units AWS Wireless Level Products Field Units User Guide Rev 0307 71 FtPerSec 20 feet per second MetersPerSec 21 meters per second InPerSec 114 inches per second InPerMin 115 inches per minute FtPerMin 116 feet per minute MetersPerHr 120 meters per hour Volume Units Gallons 40 gallons Liters 41 liters ImpGallons 42 imperial gallons CuMeters 43 cubic meters Barrels 46 barrels Bushels 110 bushels CuYard 111 cubic yards CuFeet 112 cubic feet Culnch 113 cubic inches BarrelsLiquid 124 liquid barrels 1 bbl liq 31 5 US gallons NormalCuMeter 166 normal cubic meter MKS System NormalLiter 167 normal liter MKS System StdCuFeet 168 standard cubic feet US System HectoLiter 236 hectoliters Length Units Feet 44 feet Meters 45 meters Inches 47 inches CM 48 centimeters MM 49 millimeters FtInSixteenths 151 see Note 1 in HART document HCF_SPEC 183 Time Units Min 50
54. l x C EXIT7_ SELECTED NEW TRIM IS SAVED IF ENTER NO Tate NO IS SELECTED TRIM POINT IS DISCARDED IF YES IS ER gt PRESSED TRIM IS NEXT RESET IF NO IS PRESSED NEW Wee RESET el NOTES NEXT NTER TRIM IS CANCELLED Field Unit Menu Map page 3 69 AWS Wireless Level Products Field Units User Guide Rev 0307 Appendix D Modbus Register Definitions 70 Temperature Units DegC 32 Degrees Celcius DegF 33 Degrees Fahrenheit DegR 34 Degrees Rankine DegK 35 Kelvin Pressure Units InH2OAt68F 1 inches of water at 68 degF InHgAtOC 2 inches of mercury at 0 degC FtH2OAt68F 3 feet of water at 68 degF MMH2OAt68F 4 millimeters of water at 68 degF MMHgAtOC 5 millimeters of mercury at 0 degF PSI 6 pounds per square inch BAR 7 bars MilliBAR 8 millibars GMPerSqCm 9 grams per square centimeter KGPerSqCm 10 kilograms per square centimeter Pascals 11 pascals KiloPascals 12 kilopascals Torr 13 torricellis Atmospheres 14 atmospheres InH2OAt60F 145 inches of water at 60 degF CmH2OAt4C 170 centimeters of water at 4 degC MetH2OAt4C 171 meters of water at 4 degC CmHgAtOC 172 centimeters of mercury at 0 degC PSF 173 pounds per square foot HectoPascals 174 hectopascals PSIA 175 pounds per
55. le Save to File Figure 6 2 Sampling Rates Tab 3 Select one of the time periods from the Normal Transmit Rate drop down list box 4 Click OK to save and download the configuration changes to the Field Unit Selecting the Normal Sampling Rate The Normal Sampling Rate is the interval in which the Field Unit reads the monitored process value As previously mentioned the Field Unit is in sleep mode to save power during the operations sequence This mode turns off most of the electronics on the unit with the exception of the LCD in order to preserve battery life The Field Unit will then wake up for every Normal Sampling Period and take the necessary process value readings AWS Wireless Level Products Field Units User Guide Rev 0307 Notice that the minimum speed of the Normal Sampling Rate depends on the Normal Transmission Rate setting selected see Section 6 1 The Sampling Rate cannot be slower than the Normal Sampling Rate Thus if you selected the Normal Transmit Rate setting to be 10 Seconds the Normal Sampling Rate must be set to 10 Seconds or faster A complete table of these parameters is shown below Baud Rate 76 8K 19 2K 4 8K communication range 500 750 feet 2000 2500 feet 3000 feet speed of updates 1 Second 5 Seconds 20 Seconds Normal and Abnormal 1 Second or Greater 5 Seconds or Greater 20 Seconds or Greater Transmit Rates Normal and Abnormal Equal to Transmit Equal to Transmit Ra
56. le Save to File Cancel Figure 6 6 Sampling Rates Tab 3 Select one of the time periods from the Normal Sampling drop down list box 4 Click OK to save and download the configuration changes to the Field Unit 28 AWS Wireless Level Products Field Units User Guide Rev 0307 29 Selecting the Abnormal Transmission Rate Note If the device is not configured to check for abnormal process conditions using the Sampling Bands section 6 6 2 the Abnormal Transmission Rate is not used and this section can be ignored The Abnormal Transmission Rate is identical to the Normal Transmission Rate with one exception The Abnormal Transmission Rate only applies while the Field Unit is in an abnormal condition see Section 6 6 Selecting the Normal Upper and Lower Values This allows an increase or decrease in the frequency of information you receive depending on the operating conditions of the process being monitored In order to properly set the Abnormal Transmission Rate determine how often updates are needed from the Field Unit when the process being monitored is operating under normal conditions The Field Unit has a selectable range of 1 5 10 15 20 40 seconds and 1 minute Figure 6 7 is an example of how the device switches transmission rates from Normal Transmission Rate to Abnormal Transmission Rate Note how the first abnormal transmission is sent immediately when the Normal Upper Value set point is exceeded The next transmission
57. ming the process measurement 8 Selecting and Configuring Operation Modes In this section the two operation modes Pressure and Gauge Level of the Level Field Units are discussed in order to aid you in selecting the right mode for your application 9 Maintaining the Field Unit This section explains how the Field Unit should be cared for once it has been placed into service and how to change the battery 10 Technical Specifications This section explains the technical specifications that are associated with this device such as power characteristics accuracy and operating characteristics AWS Wireless Level Products Field Units User Guide Rev 0307 1 2 ABOUT THE DEVICE Each AWS Level Field Unit is a reliable RF Radio Frequency transceiver coupled with a Gauge Level sensor that can be used in two different modes to monitor submerged pressure or tank level Tank level calculations can be performed using any of the following methodologies height volume or mass The time and expense of running wires often makes it difficult to measure parameters that have an economic impact on your plant operation but the Level Field Units allow you to quickly and accurately monitor those devices at a fraction of the cost This gives you bigger and faster returns on your instrumentation investments The Field Units communicate in a secure digital protocol over a band of frequencies from 902MHz to 928MHz This data communication technique has been
58. n also be entered via WIM To do so when the software is in the Field Unit view See Appendix A right click the Field Unit icon select Rename and then enter the Tag Name you wish the Field Unit to have This Tag Name will then be uploaded to the Field Unit and can be displayed by pressing the ENTER button when the unit is in the Operations Sequence See Section 4 2 1 of this manual Setting a User Password Note Once WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD menu See Section 4 1 for more details Each Field Unit has a password that will lock out undesired users from making changes to the Field Unit Any user may still view some of the Field Unit settings by pressing the ENTER key during the Operations Sequence and viewing the Read Only Sequence The password consists of four digits The factory default is 0000 If you wish to select a different password one may be entered via WIM To do so enter the configuration dialog box See Appendix A From the configuration dialog box click on the General tab to bring up the general information as shown in Figure 4 4 AWS Wireless Level Products Field Units User Guide Rev 0307 18 Gauge Level Pressure Properties 14 10 Sampling Rates Sampling Bands Alarms General Range OperationMode Sensor ffset Description Location Date Installed Comments General Monitored Equipment Field Unit Pa
59. n error code will then be displayed in the format Error Error Code After three seconds the display will flash and show a number followed by the letter H this represents the register location in the Field Unit s firmware where the error occurred The display will continue to flash alternating between the error number and code and the register location until you press enter to return to the diagnostic menu For example the display may show E5 23 and then 10H after flashing The number after the letter E indicates that the error is the fifth most recent In the example the code of the error is 23 Use Figure 9 4 to determine the meaning of the error codes Pressing the NEXT button while the Field Unit is displaying a logged error will show the next available entry After the Field Unit has cycled through all six error messages E1 E6 E1 will be displayed the next time you press the NEXT button The table in Figure 9 4 on the following page shows the possible error codes and their definitions AWS Wireless Level Products Field Units User Guide Rev 0307 Code Description 1 generic or unspecified error 2 watchdog timeout causes automatic reset through hardware 3 oscillator fault error causes automatic reset 4 internal RAM error 5 undefined interrupt vector error 6 false spurious interrupt trigger error 20 any of
60. nfigure the Upper and Lower Limits from the Field United monne c et cce crop aute 38 6 6 2 Configure the Upper and Lower Limits Usimg WM 222224 302256 S ee eet qeu 39 7 CONFIGURING THE PROCESS VARIABLE enne 40 ZV ZEROING THE SENSOR 5 texere tinte contd itunes 40 7 2 SETTING A MEASUREMENT OFFSET 41 7 3 TRIMMING THE MEASUREMENT ccccececeeeeeeceeeceeeeeeaeeeetarenetererereters 42 7 4 ENTERING A 22 POINT CURVE secet trond boe te iet 42 8 SELECTING AND CONFIGURING OPERATION MODES 44 amp T PRESSURE soa saco nen otc n cached Cte ecd oio er 44 8 2 GAUGE LEVEL iei inniti e eer Dee AGI Pr taedet n tee eed Te cand 45 9 MAINTAINING THE FIELD UNIT eere nennen 48 9 1 CHANGING THE BATTERY eseeeeeeeeeeeenen entente ettet tnnt 48 9 2 DEBUGGING THE FIELD UNIT eene 51 9 2 T Error LOS uiii ipie eee etaed 52 92 2 Error COUMIS 265 iode eor Sie 53 072 3 JEESStAUSHIESC a ore D ee eee us 54 9 244 Clear LOS jcc nanugainusiaddcununianmuoudad 55 10 TECHNICAL SPECIFICATIONS eere nnne nnn 57 TOI WESESXOC ui B pepper pretend deh nand oda 57 10 2 WIEGLZ XXL iiid idee eite dise dr ti riego 59 10 3 WEGLSEPXX adii preise re e Heo Organ deno 61 10 4 WI GL E Y6 XX ooo cece cece eeee ee esten enne nre nennen resins entren nene 63 APPENDIX A OPENING THE CONFIGURATION BOX IN WIM 65 APPENDIX B FIELD UNIT DI
61. nitored Equipment ID DeviceType Status Primary amp Secondary Values 000 14 041 Dual 4 20 mA Input 1N1 35 00 m 51 0 Tasks View Field Unit Data Configuration Export Data Wireless Link Test 4 24 2006 10 34 38 AM Device RF Channel 14 ONLINE 4 24 2006 10 34 38 AM Field unit 14 041 ONLINE 4 24 2006 10 34 50 AM Device discovery completed new devices found 0 devices removed 1 Total Field Unit D Alarming Field Units Figure 3 5 WIM Field Unit View Select Wireless Link Test from the popup menu The Wireless Data Loss Test window appears Figure 3 6 The name of the Field Unit being tested appears in the title bar in parentheses Wireless Link Test Unit 14041 Configure Test Hours Minutes Seconds r Progress Logging data 00 04 57 left Figure 3 6 Wireless Data Loss Test AWS Wireless Level Products Field Units User Guide Rev 0307 13 In the top of the window you can configure the test to run for a specified amount of time The longer the test the more data the test will have to do an evaluation Type the length of time that you want to run the test and click Begin to start Once the test starts WIM will reconfigure the Field Unit s Transmit Rate to the fastest possible for the selected Baud Rate These rates are listed in Section 5 2 After the test has completed it will restore the previously configured Transmit Rate During the test the c
62. nsiderable shock or to dripping condensate or corrosive materials Also avoid installing the device in an unserviceable location Most often these problems can be avoided with some thought at the time of installation The practices noted below are generally recommended but they can only act as a guideline and cannot cover all possible variations The final installation must be made at the discretion and approval of the user The user must be the judge of the actual installation Dimensioned mechanical drawings for aid in mechanical installation are located in Section 10 Technical Specifications Field Unit Positioning Correct positioning of the Field Unit will ensure the best performance of the device When planning the positioning of the Field Units there are a few parameters that must be paid attention to e The top of the Field Unit should point in an upward fashion The bottom of the Field Unit should NOT point directly at the Base Radio and the Field Unit LCD should point away from the Base Radio AWS Wireless Level Products Field Units User Guide Rev 0307 e All Field Units should maintain an approximate spacing of at least six feet apart from one another Should you need to put Field Units closer than six feet please see Section 3 1 1 1 entitled Technique for Close Positioning of Field Units e The line of sight range between a Field Unit and Base Radio is 2000 feet at the 19 2K baud rate setting Note that this range is r
63. o 185 F 40 C to 85 C electronics 4F to 158 F 20 C to 70 C display full visibility 40 F to 185 F 40 C to 85 C display with reduced visibility Physical Characteristics e Type 316 Stainless Steel Base and Diaphragm e Standard 77 MNPT Other Options Available e GELexanQ cover V O rating and UV stable Operating Vibration and Shock Characteristics e Certified per IEC ENOOO0668 2 6 vibration and 2 27 shock Random Vibration Characteristics e Certified to withstand 6 g s 15 minutes per Axis from 9 500 Hz Electromagnetic Compatibility CE Compliance e Operates within specification in fields from 80 to 1 000 MHz with Field strengths to 30 V m Meets EN 50082 1 general immunity standard and EN 55011 compatibility emissions standard Industrial Certification e Rated for industrial use 40 F to 185 F 40 C to 85 C e FM NEMA 4 weather proof housing e FM rated intrinsically safe for Class I II Division 1 Groups A B C D E F amp G Class MII Division 2 Groups A B C D F amp G 63 AWS Wireless Level Products Field Units User Guide Rev 0307 64 W2 HPT Process fitting Figure 10 4 WI GL E Y6 XX Dimensioned Mechanical Drawing AWS Wireless Level Products Field Units User Guide Rev 0307 Appendix A Opening the Configuration box in WIM In WIM go to the Field Unit View This view shows the Field Unit information and allows you to configure and view individual Field Unit da
64. oes back to the normal display mode If you enter a sub menu that requires a numerical input such as 001 the leftmost zero will be blinking This indicates that pressing the NEXT button will increment this value with each press from 0 to 9 Pressing the NEXT button when the value is at 9 causes it to reset back to 0 Pressing the ENTER button will move to the next available value If the last value is blinking pressing ENTER will save the entered values and return from the sub menu If both the NEXT and ENTER buttons are depressed at the same time while the unit is turned on a message on the LCD displaying OFF will appear If both buttons are released upon appearance of this message you will be returned to the scrolling main screen If both buttons are not released for the duration of the OFF message you will be prompted for the password Upon entering the correct password the unit will power down and turn off Note If the unit is turned off while entering values in a sub menu those values will NOT be saved Note There are several menu options that will automatically turn off if you are using WIM All changes to these Field Unit menu options should then be made through WIM instead This is to prevent simultaneous changes from taking place If you wish to discontinue use of the software and want these menus re instated you must contact your Adaptive Wireless Solutions Sales Representative Field Unit Displayed Messages To turn the Fi
65. om the factory Enable the offset curve by selecting the Sensor Offset tab within the configuration dialog box For additional information on a 22 point sensor curve see Section 7 4 AWS Wireless Level Products Field Units User Guide Rev 0307 9 1 48 Maintaining the Field Unit The Level Field Units are extremely easy to maintain in that they require no periodic calibration or system checks Each Level Field Unit has a self diagnostic that is constantly checking the internal system If the field unit finds any errors they are reported via the LCD or in the WIM software A simple yearly visual inspection for the following is all that is needed e sthe Field Unit still securely fastened to the equipment being monitored e Are there any visible corrosions cracks or residue build ups on the unit e Has anything about the application changed from the original intended use Changing the Battery The battery will need to be changed within one month of seeing a LOW BAT message on either the Field Unit or in the Wireless Instrumentation Manager Changing the battery is a simple process but you need to carefully follow the guidelines as the battery is a safety component of the Wireless Field Unit and needs to be changed in accordance with this procedure to maintain the safety of the device 1 Make sure you have the correct replacement battery There are two types of batteries depending on the date of manufacture of the field unit
66. ommunications reliability is evaluated while the Field Unit is running under normal operating conditions As the test runs link strength is shown in the lower right hand corner of the window 5 STARR indicates the strongest link while 1 STARR indicates the weakest link The Link Test continues to be evaluated and the rating on the screen adjusts itself for the specified amount of time AWS Wireless Level Products Field Units User Guide Rev 0307 4 1 4 2 14 General Configuration This section discusses general configuration of the Field Unit via the NEXT and ENTER buttons The subsections are as follows 4 1 Navigating User Menus 4 2 Field Unit Displayed Messages 4 3 Overall Configuration Menu Map 4 4 Setting the Field Unit Tag Name 4 5 Setting a User Password 4 6 Resetting All Field Unit Settings Navigating User Menus Pressing either the NEXT or ENTER buttons located on the front of the Field Unit or Base Radio just below the LCD screen is all that is needed to navigate the respective menus Pressing both of these buttons simultaneously for one second will turn the unit on Pressing the NEXT button at any time while the Field Unit is cycling through the normal messages causes the Field Unit to enter the setup mode The NEXT button is then used to step through menu options and the ENTER button is used to enter a sub menu of what is displayed on the LCD at that time If no button is pressed within a 30 second period the unit g
67. opriate Perform the following via WIM Select a mode of operation Select the appropriate engineering units Enter the appropriate calculation parameters Select the normal transmission rate Select the normal sampling rate Select the abnormal transmission rate Select the abnormal sampling rate Set the normal upper and lower values If the RF OFF message is being displayed on the Field Unit LCD perform the following Set the RF CHAN setting equal to the Base Radio s RF Channel If NO RF is being displayed on the Field Unit LCD check the following Is the Field Unit set to the above listed settings AWS Wireless Level Products Field Units User Guide Rev 0307 Is the Base Radio on Do the Field Unit and Base Radio settings match See Section 5 of the Field Unit and Base Radio User Manuals Are the Base Radio and Field Units unable to communicate due to obstructions or distance See Section 3 1 1 Field Unit Positioning Have you run the RSSI Diagnostics See Section 3 2 1 Field Unit RSSI Diagnostic Warning If the Field Units have been running for an extended period of time with no signal from the Base Radio the Base Radio is off or not present the Field Units will only search for the Base Radio every one hour or so Turning the Field Units off and back on will cause them to begin searching immediately AWS Wireless Level Products Field Units User Guide Rev 0307 3 1 3 1 1 Installation e W
68. r URL over temperature Stability e Combined zero and span stability Less than 0 1 of sensor URL per year at 70 F RF Characteristics e 902 MHz 928 MHz Frequency Hopping Spread Spectrum FCC certified ISM license free band e Up to 3000 range from Base Radio with clear line of sight e The RF module in each field unit is individually tested and calibrated over the full temperature range to ensure reliable wireless operation Operating Temperature Range e 40 F to 185 F 40 C to 85 C electronics e A F to 158 F 20 C to 70 C display full visibility e 40 F to 185 F 40 C to 85 C display with reduced visibility Physical Characteristics e Type 316 Stainless Steel Base and Diaphragm e Standard 77 MNPT Other Options Available e GELexanQ cover V O rating and UV stable Operating Vibration and Shock Characteristics e Certified per IEC ENOOO0668 2 6 vibration and 2 27 shock Random Vibration Characteristics e Certified to withstand 6 g s 15 minutes per Axis from 9 500 Hz Electromagnetic Compatibility CE Compliance e Operates within specification in fields from 80 to 1 000 MHz with Field strengths to 30 V m Meets EN 50082 1 general immunity standard and EN 55011 compatibility emissions standard Industrial Certification e Rated for industrial use 40 F to 185 F 40 C to 85 C e FM NEMA 4 weather proof housing e FM rated intrinsically safe for Class I I III Division 1 Groups A B C
69. ressure Properties 14 10 Sampling Rates General Range Sampling Bands Operation Mode Alarms l Sensor Offset Mode Fluid Level Level Density Specific Gravity Units v C Ful Tank Pressure Tank Height Feet Tank Volume Cubic Feet Level Offset Level Units Load from File Save to File Feet Feet Cancel Figure 8 2 Gauge Level Mode You should select the units that are appropriate for your application Note that the units differ based on calculations by density and by Full Tank Pressure For pressure units see Section 8 1 Density and Height units are listed below and on the next page Degrees API degAPI Degrees Baume heavy degBaum hv Degrees Baume light degBaum It Degrees Twaddell degTwad Grams liter G L Grams cubic centimeter GM CUCM Grams milliliter GM ML Kilograms cubic meter KG CM Kilograms liter KG L Pounds cubic foot LB CUFT Pounds cubic inch LB CUIN Pounds gallon LB GAL Specific Gravity Units SGU Short tons cubic yard STON CUYD AWS Wireless Level Products Field Units User Guide Rev 0307 Centimeters CM Feet FEET Inches INCHES Meters METERS Millimeters MM Percent 96 PER FS Once you select the engineering you MUST enable a 22 point sensor offset curve it is disabled upon delivery fr
70. romthe Base Radio This increments when a bit error 1s detected by the Field Unit during the start of frarne message it is receiving from the Base Radio after the _ pattern match Not implemented Not implemented Incremented if Field Unit ever wakes up in the wrong timeslot This increments when it wakes up and doesn t receive the start of frame message from the Base Radio at all If a pattern match is received and then the error occurs C is incremented instead This increments if the Field Unit is told to receive an Asyne message but does not receive the message for whatever reason it becomes corrupt the base radio fails to send it etc Debug Number of synchronous messages sent fromthe Field Unit to the Base Radio After three failed attempts to receive a start of frame message from the Base Radio the message buffer flushes the field unit tries to re synchronize its clock with the Base Radio and this number gets incremented Not implemented Not implemented Number of times the Field Unit successfully re synchronized itself with the Base Radio Number of times the Field Unit attempted to re synchronize itself with the Base Radio Debug Number of times the RF driver has attempted the 2 synchronous data re transmission Number of times the RF driver has attempted the 3 synchronous data re transmission __ A Number oftimes the RF driver has failed to transmit a synchronous message and has stopp
71. s that the Field Unit and Base Radio are attempting to synchronize communications If this is successful the RF Status will display an RF OK message If this is unsuccessful the RF Status will display a NO RF message Also notice the two small arrows on either side of the LCD if they are fluctuating up and down that indicates the Field Unit and Base Radio are successfully communicating If only one or none of the arrows are moving then they are not communicating successfully AWS Wireless Level Products Field Units User Guide Rev 0307 6 1 Configuring the Sampling and Transmission Rates The Level Field Units are very versatile with many programmable features and can be used in numerous different applications Because no two applications are the same some configuration is required for each unit This section will walk you through the initial configuration of the Sample and Transmit settings Each section includes instructions for configuring the rates from the Field Unit and with WIM The subsections are as follows 6 1 Selecting the Normal Transmission Rate 6 2 Selecting the Normal Sampling Rate 6 3 Selecting the Abnormal Transmission Rate 6 4 Selecting the Abnormal Sampling Rate 6 5 Setting the Smart Rate Threshold 6 6 Selecting the Normal Upper and Lower Values Selecting the Normal Transmission Rate The Normal Transmission Rate is the interval in which the Field Unit transmits data to the Base Radio The Field Unit is in a
72. several possible errors that should never happen in the kernel but are checked just in case 21 kernel configuration error number of defined tasks does not match what is actually in the task data table 22 maximum number of preemptive scheduler instances has exceeded the allowed limit 23 kernel interrupt occurred without the appropriate status flags being set 24 task is in an error state 25 runaway task timer i e the current timeout value is greater than the beginning periodic value 26 apreemptive task that is already active has been attempted to be executed a second time 30 semaphore is already owned by another task 40 stack overflow or underflow error 41 checksum error for calibration data 42 checksum error for program Flash 43 invalid value for one of the Chiplet s nonvolatile memory configuration parameters i e update rate contrast etc 50 external A D converter error 51 broken sensor lead s error 60 ALL parameters were reloaded to their defaults 100 the SmartWatch module is not responding to sample and or communications wakeup attempts 101 the Xemics transceiver failed at least one write readback test 102 the Xemics clock output should be enabled 103 problem with EEPROM communication no sensor board or bad EEPROM 104 problem initializing or communicating with the Aic Sensor ADC or no sensor board Figure 9 4 Definitions of error codes 9 2 2 Error Counts The Error Counts menu contains a list of six
73. smission Rate AWS Wireless Level Products Field Units User Guide Rev 0307 6 1 1 Configure the Normal Transmission Rate from the Field Unit To configure the normal transmission rate follow the menu map below Note Once WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD Menu N EE Default of 10 Seconds NEXT SAMPING ENER NORM XR ENTER 1 5 10 SEC 15 SEC 20 SEC 40 SEC 1 MIN Figure 6 1 Menu Map to Normal Transmission Rate Setting 24 AWS Wireless Level Products Field Units User Guide Rev 0307 6 1 2 6 2 25 Configure the Normal Transmission Rate Using WIM 1 Open the configuration dialog box See Appendix A 2 In the configuration dialog box click the Sampling Rates tab to display the sampling rate information as shown below Gauge Level Pressure Properties 14 10 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Abnormal Transmit Rate 5Sec Q Z Q Normal Sampling Abnormal Sampling Smart Smoothing The Smart Smoothing feature rejects noise and glitches by averaging samples within the deadband and ignoring the first sample outside the deadband Enable Smart Smoothing 1 255 Seconds Psi SmartR ate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes by the amount set Enable SmartRate Load from Fi
74. ssword 0000 NOTE Device is in Pressure mode and units are in Psi Load from File Save to File Figure 4 4 Setting a User Password You can set the Field Unit password for this device by entering a four digit number in the Field Unit Password field Once a password is entered click OK to save and download the password to the Field Unit Please note that the password only protects the Field Unit from unauthorized configuration via the NEXT and ENTER buttons WIM requires a user login password to gain access to all configuration parameters However user accounts are available and can be set with different access levels and restrictions For more information on user accounts see the WIM User Manual Section 8 4 AWS Wireless Level Products Field Units User Guide Rev 0307 4 6 Resetting All Field Unit Settings To reset all Field Unit settings to their default state you must navigate to the DEFAULT menu option in the CONFIG menu via the keypad on the LCD which asks you to confirm the reset operation You will then be prompted with NO on the LCD Pressing the ENTER button while NO is being displayed will NOT reset the device Pressing the NEXT button will display YES on the LCD If you press the ENTER button while YES is being displayed the device will be reset D Note Once at the default menu option pressing the ENTER button will display RESET Note Resetting the Field Unit by using the DEFAULT menu option
75. t Sampling Rate sssssssseeeeene 26 Figure 6 4 Correct Sampling Rate ciiciiciiiiiiiiciiiciiiic iini siiis 27 Figure 6 5 Menu Map to Normal Sampling Rate Setting 27 Figure 6 6 Sampling Rates Tab ssssssssseeeeenneenen 28 Figure 6 7 Example of Abnormal Transmission Rate Setting 29 Figure 6 8 Menu Map to Abnormal Transmission Rate Setting 30 Figure 6 9 Sampling Rates Tab ssssssssssee eene 31 Figure 6 10 Example of Abnormal Sampling Rate Setting 32 Figure 6 11 Menu Map to Abnormal Sampling Rate Setting 33 Figure 6 12 Sampling Rates Tab sssssssseeeeeennene 34 Figure 6 13 Smart Rate Configuration Using WIM eene 36 Figure 6 14 Normal Upper and Lower Value Example ssesss 37 Figure 6 15 Condition Chatter Without Time Deadband 37 Figure 6 16 Condition Chatter Elimination Due to Time Deadband 38 Figure 6 17 Normal Upper and Lower Value eee 39 Figure 7 1 Menu Map to Pressure Zero Setting 41 Figure 7 2 Menu Map to Offset Setting sss 41 Figure 7 3 Menu Map to Trim Setting 42 Figure 7 4 Setting a 22 Point Curve for Level Using WIM
76. ta This view can be accessed at any time by clicking on the Field Units icon in the Views pane The Field Unit View is shown below More information is found in Sections 8 and 9 of the WIM User Guide VZ Accutech Wireless Instrumentation Manager Connected Ele View Help Field Units ico RETE O Alarming Field Units Total Field Units 1 Alarming Field Units 0 O Unconfigured Field Units 7 Warning Field Units 0 2 Field Unit Groups Field Unit Tree r O Base Radios Connection A y All Field Units Field Unit Types Contains all field units registered in the system Field Units All Field Units d TagName Monitored Equipment ID__ DeviceType Status DK 00013007 13 07 Gauge Level Pressure IN1 0 00 Psi Base amp Output Devices SS Field Unit Pane es Accounts 2 17 2005 5 49 29 PM Device discovery completed new devices found devices removed 2 17 2005 5 50 23 PM Field unit 13 07 ONLINE 2 17 2005 5 50 24 PM Field unit 13 07 name resolved to 00013007 Events Chat 1 Total Field Unit la Alarming Field Units Figure A 1 WIM with All Field Units view The Field Units are displayed in the Field Unit Pane based on the selection in the Field Unit Tree To open the Configuration dialog box right mouse click a Field Unit and select Configuration from the Right Mouse Button menu Rename Tasks gt View Field Unit Data Configuration Export Data
77. te Equal to Transmit Rate Sampling Rates Rate or Less or Less or Less 26 In order to properly set the Normal Sampling Rate determine how often updates are needed from the Field Unit when the process being monitored is operating under normal conditions The Field Unit has a selectable range of 1 5 10 15 20 30 and 60 seconds depending on the Normal Transmission Rate The factory default is one second However the more frequently the Field Unit wakes up to check the monitored device the less battery life you can expect from the Field Unit Figure 6 3 is an example of what happens when the Normal Sampling Rate is too slow for the process being monitored Notice how the rise in the voltage level falls between two normal samples and thus goes completely undetected Input Volts 10 6 lt Normal Sample if 0 1 00 2 00 Time min With a Normal Sampling Rate of 30 Seconds Figure 6 3 Incorrect Sampling Rate Figure 6 4 is an example of what happens when the Normal Sampling Rate is correctly set for the device that is being monitored Notice how this setting makes it possible to sample the rise in the voltage level AWS Wireless Level Products Field Units User Guide Rev 0307 Input Volts 10 6 Normal Sample 0 1 00 2 00 Time min With a Normal Sampling Rate of 15 Seconds Figure 6 4 Correct Sampling Rate Once you have decided on the proper Normal Sampling Rate select
78. the battery and on the circuit board b Remove the old battery and replace it with AWS Part Number WI BAT Be extremely careful to put the positive end of the battery in the proper location Plugging the battery in backwards will cause a safety component on the circuit board to trip and the unit will need to be returned to the factory for safety component replacement f Now you are ready to replace the cover You will note that the cover gasket has a thin coating of gasket lubrication Use a cotton swab to wipe around the gasket to spread the lubrication and then replace the housing When replacing the housing make sure that the flexible ribbon cable folds properly If the ribbon cable seats next to the antenna the RF operating distance can be reduced Also check to be certain that the cover tether is not sandwiched between the cover and the cover gasket 8 Tighten the four cover screws and torque them to 18 inch pounds 1 5 ft Ibs 9 Dispose of the old battery properly in accordance with your local regulations 50 AWS Wireless Level Products Field Units User Guide Rev 0307 9 2 51 Figure 9 2 AWS WI BAT Field Unit Battery Warning When removing the housing do not twist or bend the green flex cable Doing so may cause the tether to improperly seat next to the antenna and greatly reduce operable RF distances Do not allow the housing to flop around while hanging by the tether Debugging the Field Unit The field unit
79. the backbone of the military s secure communications protocols for many years These devices require no wires permits or licenses and they are easily set up and installed right out of the box You can use this device for long term monitoring in remote locations for short term data gathering on process conditions or for quickly testing the economic viability of a new installation The purpose of this manual is to help you install and maintain your AWS Level Field Unit BEFORE setting up and installing the Field Unit please setup and configure the Base Radio 1 3 UNPACKING Remove the Packing List and check off the actual equipment received If you have any questions about your shipment please call your Adaptive Wireless Solutions Representative Upon receipt of the shipment inspect the container for any signs of damage in transit Especially take note of any evidence of rough handling Report any apparent damage immediately to the shipping agent Please note that sometimes units are assembled with accessories when shipped Inspect the shipment carefully if you think that something is missing This is rare as we take considerable care to pack units for shipment but it does sometimes happen Please give us a call and we may be able to resolve this matter quickly over the phone Note The carrier will not honor any claims for damage unless all shipping materials are saved for their examination If you find any damage while you are examining
80. this setting from the Field Unit or through WIM 6 2 1 Configure the Normal Sampling Rate from the Field Unit To configure the normal sampling rate from the field unit follow the menu map below Note Once the WIM has been used to configure the Field Unit this menu option will be disabled on the Field Unit LCD Menu l OPERATIONS SEQUENCE NEXT n m a a an qu a a a ab NEXT NEXT NOR SR enter 1 5 SEC 10 SEC 15 SEC 20 SEC 30 SEC 60 SEC Figure 6 5 Menu Map to Normal Sampling Rate Setting 27 AWS Wireless Level Products Field Units User Guide Rev 0307 6 2 2 Configure the Normal Sampling Rate with WIM 1 Open the configuration dialog box See Appendix A 2 In the configuration dialog box click the Sampling Rates tab to display the sampling rate information as shown below Gauge Level Pressure Properties 14 10 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Normal Transmit Rate 10 Sec Abnormal Transmit Rate Norral Sampling Abnormal Sampling Smart Smoothing The Smart Smoothing feature rejects noise and glitches by averaging samples within the deadband and ignoring the first sample outside the deadband Enable Smart Smoothing 1 255 Seconds Psi SmartR ate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes by the amount set Enable SmartRate Load from Fi
81. times the stack a 5 temporary storage area the CPU uses in the RAM of the unit has run out of space Minimum Free Stack Number C6 of bytes free in stack Figure 9 5 Error counter definitions RF Statistics The RF Statistics menu contains a list of 19 counters each of which indicates the number of times a particular condition has occurred These conditions and their definitions are listed in Figure 9 6 This menu allows for simplifying the task of solving communications problems Navigate to the RF Statistics using the NEXT and ENTER buttons and Figure 9 3 as a guide When the display shows RF STAT press Enter to enter the RF Statistics menu AWS Wireless Level Products Field Units User Guide Rev 0307 Field Unit RF Statistics Code Name A Rx Frame Start Msgs B Rx In Frame Msgs C Rx Errors D Rx USART Errors E Rx Recover Errors F Rx Wrong Slot Error Missing Frame Start G Msgs H Missing In Frame Msg I Rx Buffer Overflow J Tx Msgs K TxFailed L Tx Lost Acks M Tx Retransmits N Sync Success i9 Syne Attempts P RF Driver Restarts Q 2 Sync Attempts R 33 Sync Attempts 5 Sync Failure 9 2 4 Clear Logs Description Number of start of frame messages received fromthe Base Radio The start of frame message is sent by the Base Radio at the beginning of each set synchronous messages If the Field Unit does not receive this message it cannot send its synch data Number of asynchronous messages received f
82. ts You should see the display ask for the PASSWORD Enter the AWS Wireless Level Products Field Units User Guide Rev 0307 correct password to power down the unit The factory default password is 0000 4 Next remove the four cover screws on the sides of the Field Unit housing with a standard screwdriver Remove the housing cover It may be a bit difficult to separate the housing cover from the gasket Be very careful if you need to pry the cover off the gasket not to damage the gasket When removing the cover you will notice a flexible cable that connects the instrument cover to the electronic circuit boards Note the position of this cable as well as the tether which restrains the movement of the cover The ribbon cable is easily damaged and must be carefully folded back into place when you replace the cover 5 Locate the battery or the battery pack and identify which type of battery you have The battery pack AWS Part Number WI BATTERY KIT 01 is shown in Figure 9 1 on the following page To replace this battery pack follow steps 5a through 5d and then proceed to Step 7 Otherwise follow steps 6a through 6b and then proceed to Step 7 Caution The positive end of the battery clip is the end with the red wire Putting the battery in backwards will blow a fuse a If your unit contains the battery pack AWS Part Number WI BATTERY KIT 01 carefully unplug the connector that connects the battery pack to the circuit board T
83. tween Between Between Greater than 105 dBm 105dBm amp 100 dBm amp 95 dBm amp 90 dBm amp 85 dBm amp 100 dBm 95 dBm 90 dBm 85 dBm 80 dBm 80 dBm To place the Field Unit in RSSI Diagnostic mode follow the menu map shown in Figure 3 2 Note that the RSSI menu is under the DIAGNSE menu and not the CONFIG menu AWS Wireless Level Products Field Units User Guide Rev 0307 3 2 2 T 1 I NEXT NEXT NExT M DIAGNSE Next FACTORY wexr EXIT USER PROMPTED FOR I PASSWORD UF Figure 3 2 Menu Map to RSSI Mode Now that the Field Unit is in the RSSI mode bring the Field Unit close to the equipment you wish to monitor Look at the LCD notice the gt will constantly fluctuate One should estimate an average value based on these fluctuations The ideal signal integrity is seven arrows Once you have verified that you are receiving a signal you should check to make sure the Field Unit is communicating properly with the Base Radio To do so exit the RSSI by pressing ENTER and then navigate to EXIT of the diagnostic menu and return to the Operations Sequence shown in Figure 4 1 in Section 4 2 If you see a NO RF message then you do not have satisfactory RF communication with the Base Radio If your application allows move the Field Unit to a different position and check again for communications If your application only allows you to mount at this particul
84. uate The Field Unit installation site should strive to place the Field Unit in a location where it receives the highest number possible A stronger link means less data re transmits and longer battery life Conducting a Link Test from the Base Radio When the Link Test is conducted from a Base Radio it measures the link strength between a selected Field Unit and the Base Radio The Link Test data must be configured to match the communication parameters of the Field Unit from which you want to test The Link Test is located in the Base Radio s diagnostic menu see Figure 3 4 To conduct a Link Test from the Base Radio Navigate to Link Test and press the Enter button Next enter the RF ID for the Field Unit that you want to test Then select the Normal Transmit rate that matches that of the Field Unit If the Field Unit is transmitting at a different rate than the one you select in this menu your results will be invalid Once the Normal Transmit Rate is selected the Link Test will immediately start The Base Radio will begin to test the link from the Field Unit During this time the word TEST will appear on the LCD display When the test is complete the Base Radio will display AWS Wireless Level Products Field Units User Guide Rev 0307 the quality of the link Be aware that the length of time it takes to perform this test depends on the device s normal transmitting rate OPERATIONS SEQUENCE l l berm asw 3 2 2 3 11
85. ure 6 11 Menu Map to Abnormal Sampling Rate Setting 33 AWS Wireless Level Products Field Units User Guide Rev 0307 6 4 2 Configure the Abnormal Sampling Rate Using WIM 1 Open the configuration dialog box See Appendix A 2 In the configuration dialog box click the Sampling Rates tab to display the sampling rate information as shown below Gauge Level Pressure Properties 14 10 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Normal Transmit Rate 10 Sec v Abnormal Transmit Rate 5 Sec Normal Sampling rmal Sampling Smart Smoothing The Smart Smoothing feature rejects noise and glitches by averaging samples within the deadband and ignoring the first sample outside the deadband Enable Smart Smoothing 1 255 Seconds SmartRate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes by the amount set Enable SmartRate when primary value H Load from File Save to File Cancel Figure 6 12 Sampling Rates Tab 3 Select one of the time periods from the Abnormal Sampling drop down list box 4 Click OK to save and download the configuration changes to the Field Unit 34 AWS Wireless Level Products Field Units User Guide Rev 0307 6 5 6 5 1 35 Setting the Smart Rate Threshold The Smart Rate is a feature used to trigger radio transmission of the measured data
86. will then follow this immediate transmission by 10 seconds or whatever the Abnormal Transmission Rate is set to The transmissions will continue at this interval until the process value drops below the Normal Upper Value set point Input Volts 10 I Abnormal Condition Abnormal Transmission Normal Transmission Normal Upper Normal Transmit Rate of 1 Min Abnormal Transmit Rate of 10 Sec Normal Upper Value of 2 5 Figure 6 7 Example of Abnormal Transmission Rate Setting Once the process value drops below this set point another transmission is sent to the Base Radio The transmissions will then be sent at the Normal Transmission Rate of one minute the current setting for the Normal Transmission Rate from the time of the last abnormal transmission You should also note that the transmission time depends on the sampling rate and when the process value is sampled If the Normal Sampling Rate is 30 seconds then the process value may be above the Normal Upper Value for up to 29 seconds before an AWS Wireless Level Products Field Units User Guide Rev 0307 abnormal condition is detected This means that the transmission could be as late as 29 seconds after the process value exceeded the Normal Upper Value Once you have decided the proper time for the Abnormal Transmission Rate select this setting from the Field Unit or through WIM 6 3 14 Configure the Abnormal Transmission Rate from the Field Unit

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