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Differential Pressure Field Unit User Guide

1. saved If ENTER is pressed while NO is being displayed the value is NOT saved The sensor should be at ZERO when YES is selected ENTER Figure 7 1 Menu Map to Pressure Zero Setting Rev 1210 27 AWS Wireless Differential Pressure Field Unit User Manual 7 2 a Measurement For various applications the user may wish to display an offset value rather than the actual value To enter an offset navigate to the OFFSET Offset command as shown in Figure 7 2 Then enter the offset to be added or subtracted from the actual measured value OPERATIONS SEQUENCE L NEXT USER PROMPTED FOR L PASSWORD OFFSET pewren gt INPUT T Jenter gt XXXXXX NEXT Figure 7 2 Menu Map to Offset Setting 7 3 Trimming the The Field Unit interface allows you to set a two point correction curve for Measurement 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 and navigate to the TRIM menu as shown in Figure 7 3 and select the input to be trimmed 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 If entering a two point trim via the NEXT and p
2. RF ERR SEN ERR LOW BAT YES YES RF OK RROR 1 OPERATIONS SEQUENCE I X Figure 4 1 Field Unit Power UP and Operations LCD Sequences Once Field Unit 15 in the Operations Sequence a user may access the READ ONLY Sequence without a password by simply pressing the EN TER 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 are not seen during the Operations Sequence but does not allow any changes to be made to these settings i 1 OPERATIONS SEQUENCE XXXX XX UNITS YES PEE 1 MSG ENTER RF ERR NONE E NO SEN ERR i LOW BAT j READONLY RF OFF NO RF Figure 4 2 The Read Only Sequence Rev 1210 15 AWS Wireless Differential Pressure Field Unit User Manual 4 2 Overall Configuration Menu Map The user must enter a four digit password to enter the CONFIG and DIAGNSE The FACTORY menu is for factory use only The default user password is 0000 For more information on the password see Section 4 4 4 3 Setting the Field Unit Tag Name A complete Field Unit Menu Map is shown in Appendix C Below is an overall view of the configuration menu to aid the user in setting up the Field Unit for proper operation 1 OPERA
3. Load from File Save to File Figure 8 2 Orifice Flow NOTE Starred units are only available once the Density check box has been selected Section 8 Selecting and Configuring Operation Modes In this mode the user has the option of setting up volumetric or mass flow calculations through an orifice plate if the density units are selected and entered mass flow calculations are available The user must enter a differ ential pressure value and a flow value corresponding to the pressure value Using these two points the PC will calculate the flow value that corre sponds to the full scale pressure value of the Field Unit 1 FS Flow Finally the user also must enter a truncation point value This information is used to calculate flow in the units selected by the user To set the Field Unit to this operation mode you must go to the configura tion menu of the Field Unit via the Software For further instructions on getting to the configuration menu see Section 9 2 of the Wireless Instru mentation Manager User Manual Once you have opened the configuration menu select the Operation Mode tab at the top of the menu and select Orifice Flow from the mode menu You should then see a menu like the one shown in Figure 8 2 Select the units that are appropriate for your application All possible units are listed below Rev 1210 31 AWS Wireless Differential Pressure Field Unit User Manual 8 2 Orifice Flow cont
4. Percent Volume Flow may only be selected from the Flow Units list It does not appear in the Flow list Selecting Percent Volume Flow enables the Square Root Function See section 8 2 1 for more information 8 2 1 Square Root Calculation Differential Pressure Properties 9 44 Sampling Rates Sampling Bands Alarms General Range Operation Mode Sensor Offset Mode Orifice Flow v Differential Pressure 5 Psi Flow 10 Cubic Feet Sec Full Scale Flow Cubic Feet Sec Truncation Point Cubic Feet Sec Flow Units NOTE Square root is ON Load from File Save to File OK Cancel Figure 8 3 Orifice Flow with Square Root Calculation Enabled 32 Once engineering units have been selected a 22 point sensor offset curve can be enabled it is disabled upon delivery from the factory by selecting the Sensor Offset tab within the configuration menu When the Field Unit is in Orifice mode a Square Root calculation is per formed You have the option to display the Square Root Calculation If this option is enabled it will be displayed as Percent Square Root in WIM and sent to a ModBus Register To display the Square Root Calculation first make sure you have selected Orifice Flow from the mode menu Then from the Flow Units drop down list select Percent Vol Flow If the Density check box is selected then Percent Mass Flow can also be selected from the Flow U
5. 1210 AS WIRELESS SOLUTIONS Differential Pressure Field Unit User Guide Adaptive Wireless Solutions Inc 577 Main St Phone 978 875 6000 Hudson Ma 01749 www adaptive wireless com 1 57 0405 0806 0810 3 31 2005 Updated Specs cover figures amp 8 4 14 2005 Additional Maintenance to match other Guides 10 30 2008 Update Section 8 Drawing 6023 520 from Rev C to Rev E User Manual Differential Pressure Field Unit Models WI DP I xxx Versions 1 70 or later Important Information to User Changes or modifications not expressly approved by Adaptive Wireless Solutions may void the user s authority to operate the equipment 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 and 2 this device must accept any interference received including interference that may cause undesired operation 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 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 To reduce potential radio interference to other
6. 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 few types of error messages warning and fatal Warning mes sages are displayed as part of the normal cycling message sequence These are LOW BAT battery should be replaced as soon as possible can not detect Base Radio e SFAULT there is an open sensor or excitation wire detected Also if a sensor value goes above below logical limits The unit will display 9999 99 for measurement sensor fault mode but will con tinue 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 above 105 range of the Analog Input sensor If the measurement goes above 150 full range the unit will go into Sensor Fault mode In over range mode the measurement is continued to be displayed with the OVERRNG message to re mind the user that the specified range of the sensor and the calibrated range of the device is 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 operat ing normally and requires repair These are RF ERR fatal
7. 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 your discretion and approval You must be the judge of the actual installation Dimensioned mechanical drawings for aid in mechanical installation are located in Section 10 Technical Specifications 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 upwards 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 e Field Units should maintain an approximate spacing of at least six feet apart from one another 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 reduced by the amount of RF noise present obstructions and the material properties of the obstruction e Only place the Field Unit in ambient operating temperatures of 40 F to 185 F 40 C to 85 Figure 3 1 gives examples of incorrect setups according to the previously mentioned parameters Rev 1210 Section 3 Installation Outside Base Radio range Fi
8. Pod 93 94 P dal 95 96 97 5 98 fe 99 100 102 103 104 ay d 57 253 Rev 1210 Appendix D Modbus Register Definitions specific gravity units grams per cubic centimeter kilograms per cubic meter pounds per gallon pounds per cubic foot grams per milliliter kilograms per liter grams per liter pounds per cubic inch short tons per cubic yard degrees twaddell degrees baume heavy degrees baume light degrees API percent 49 ABOUT Adaptive Wireless Solutions 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 red
9. side any zero drift caused by the over pressure will be negligible after a fairly short period of time about three hours If the sensor has suspected to have been over pressurized on the side over pressure equal to the static line pressure of the process should be applied to side and the zero allowed to neutralize for several hours 1 Check overall installation to ascertain that all fittings plugs vents and bolts are secure leak free and ready for service 2 manifold and line shutoff valves if installed should be in the closed position 3 Open manifold bypass valve and both line shutoff valves if installed This will put a zero differential pressure across the sensor 4 Slowly crack open the Upstream manifold block valve until the sen sor 15 at line pressure Then fully open this Upstream manifold block valve 5 Crack open and side vent plugs until all air is purged out of the transmitter and the manifold Close the vents tightly Check ZERO output and adjust 1f necessary 7 Open the Downstream manifold bock valve fully 8 Close the manifold bypass valve The sensor is now in service Os Differential Pressure Sensors in flow service need to be periodically re zeroed The procedure for re zeroing assumes that the sensor in service and that the line shut off valves are open that the and manifold valves are open and that the manifold bypass valve is closed To then re zero the tr
10. 50 AM Device discovery 0 new devices found 0 devices removed O Alarming Field Units Figure 3 7 WIM Field Unit View Select Wireless Data Loss Test from the popup menu The Wireless Data Loss Test window appears see Figure 3 8 The name of the Field Unit being tested appears in the title bar in parenthesis Wireless Link Test Unit 14041 Configure Test Hours Minutes Seconds Progress Logging data 00 04 51 left Link Quay 5 STARR Figure 3 8 Wireless Data Loss Test Rev 1210 3 2 2 3 Continued Section 3 Installation 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 communications reliability is evaluated while the Field Unit is running under normal operating conditions As the test runs a link strength will be 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 will continue to be evaluated and the rating on the screen
11. UI n E bs nde vene URS 9 3 5 Menu Map to Field Unit Link 10 3 0 Menu Map to Base Radio Link ee pH dri b D pulp CHEER UMEN 11 3 7 WIM Field Unit VIEW 12 3 0 Wireless Data Loss MSU 12 4 1 Field Unit Power UP and Operations ICD Sequences 15 4 2 The Read Only SeQUEIGE o rene nein ren 15 4 3 Overall Configuration Menu 16 AA Setting a User Password DIR REN 17 5 1 Menu Map to RF Channel 18 5 2 Menu Map to Baud Rate Setting uitae see 19 5 3 Menu Map to RF ID 19 bI Incorrect Sampling ROG e FR DIS a 22 6 2 Correct Sampling I ale cute ius 22 6 3 Example of Abnormal Transmission Rate 23 6 4 Example of Abnormal Transmission Rate 24 6 5 Smart Rate Configuration Using 25 6 6 Sampling and Transmission Rate Selection Using 26 6 7 Normal Upper and Lower Value Selection Usi
12. can be found in section 6 6 of this manual Input Volts 10 Abnormal Condition Abnormal Sample Normal Sample Normal Upper Value Normal Sampling Rate of 15 Sec Abnormal Sampling Rate of 5 Sec Normal Upper Value of 2 5 Figure 6 4 Example of Abnormal Sampling Rate Setting Rev 1210 6 5 Setting Smart Rate Threshold Differential Pressure Properties 00009044 9 44 peration Mode Sensor Offset Sampling Bands Alarms General Range Sampling Rates Update Rates Normal Transmit Rate 10 Sec Abnormal Transmit Rate 5 Sec Normal Sampling 1 Sec Abnormal Sampling 1 Sec 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 Percent Sqr Rt SmartRate The SmartRate feature causes the field unit to transmit its data immediately any time the primary value changes by the amount set v Enable SmartRate Send a sample when primary value Percent changes by L Rt Figure 6 5 Smart Rate Configuration Using WIM Section 6 Configuring the Sampling and Transmission Rates The Smart Rate is a feature used to trigger radio transmission of the measured data sooner than the normal or abnormal rate specified by the user This feature is used to construct a more accurate graph of the measured pro
13. 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 Barrel 42 US gallons of 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 GalPerDay 235 gallons per day Rev 1210 47 AWS Wireless Differential Pressure Field Unit User Manual 48 Volume Units Gallons Liters ImpGallons CuMeters Barrels Bushels CuYard CuFeet CuInch BarrelsLiquid Ez NormalCuMeter NormalLiter StdCuFeet HectoLiter Feet Meters Inches CM MM FtInSixteenths Mass Units Gram KG MetricTon Pound ShortTon LongTon Ounce Length Units ay 60 y 40 41 42 43 46 10 11 125 13 24 66 67 68 236 44 45 47 48 49 151 61 62 63 64 65 125 Mass Flow Units GramPerSec GramPerMin GramPerHr KGPerSec KGPerMin KGPerHr KGPerDay MetTonPerMin MetTonPerHr MetTonPerDay PoundsPerSec PoundsPerMin PoundsPerHr PoundsPerDay ShTonPerMin ShTonPerHr ShTonPerDay LongTonPerHr LongTonPerDay 70 71 72 73 74 75 76 77 78 79 80 81 82 83
14. return from the sub menu If both the NEXT and ENTER buttons are depressed at once a message on the LCD displaying OFF will appear If both buttons are released upon appearance of this message the user will be returned to the scrolling main screen If both buttons are not released for the duration of the OFF message 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 As shown throughout the document this mark indicates that these menu options will automatically turn off if the Wireless Instrumentation Man ager Software is used All changes to these Field Unit menu options should be made through software 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 Wire less Solutions Sales Representative 44 Rev 1210 Appendix 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 NORF Field Unit and Base Radio have no communications e Differential Pressure Input Level XX XX
15. same RF Channel and must be transmitting at the same Baud Rate While all Field Units and Base Radios are set to default configura tions at the factory if any configuration differences are present the Base Radio will not be able to communicate with the Field Units The subsec tions are as follows 5 1 RF Channel Selection 5 2 RF Baud Rate Selection 5 3 RF Identification 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 the user to have multiple different wireless networks co existing throughout the same facility Base Radios and Field Units can be set to one of 16 different RF chan nels 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 the user to decide which Field Units communicate with each Base Radio The RF Channel can be thought of as a set of walkie talkies If both walkie talkies are on channel one they can communicate If walkie talkie is on channel one and the other is on channel two they cannot com municate 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 OF
16. temperature induced density variations between the legs other density variations between the measurement legs The actual installation must be made to minimize these errors 3 1 4 Installation in Steam Service Figure 3 3 Installation in a Steam Application Section 3 Installation In liquid service you want all of the impulse lines to be completely full of liquid It is generally best practice to place the process taps in the side of the liquid process line This minimizes the entrance of gas bubbles which tend to form at the top of the process line It also tends to minimize the entrance of sludge and particulates that tend to accumulate in the bottom of the line 1 Tap into the side of the process line 2 Mount the transmitter beside or below the taps 3 Position the vents level with or above the point where the im pulse lines connect to the transmitter This will give the best way to vent all ofthe air out of the impulse lines and flanges Here you want the impulse lines and manifold to be full of gas Placing the taps 1n the top of the generally prevents liquid from entering the transmitter Mounting the transmitter above the process piping allows any liquid or condensate that does form in the impulse lines to drain back into the process piping 1 Tap into the top of the line 2 Mount the transmitter above the taps Steam service 1s slightly more complex Here you want to tap into the side of the ste
17. the Field Unit s diagnostic menu see Figure Field Unit 3 5 OPERATIONS SEQUENCE emm ENTER 5 STARR Next 4 STARR 3 STARR EXT TEST 2 STARR 1 STARR NO LINK ENTER Figure 3 5 Menu Map to 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 is dependent upon how fast the device is normally transmitting When enough messages have been observed a 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 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 better battery life When the Link Test is conducted from a Base Radio it measures the link strength between a selected Field Uni
18. 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 better battery life 3 2 2 3 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 7 Rev 1210 11 AWS Wireless Differential Pressure Field Unit User Manual Accutech Wireless Instrumentation Manager Connected in Field Units O All Field Units 3 Alaming Field Units C Unconfigured Field Unis Field Unit Groups Base Radios Field Unit Types Total Field Units 1 Alarming Field Units 0 Waming Field Units 1 Selected Field Unit Accutech Dual 4 20 mA Input 12 All Field Units m ee Primary amp Secondary Values 00 14 041 Dusi 420 m Input 1N1 35 00 m 51 0 Rename Tasks View Field Unit Data Configuration Export Dat 4 24 2006 10 34 38 Device RF Channel i ONUNE 4 24 2006 10 34 33 AM Field unit 14 041 ONUN 4 24 2006 10 34
19. the tasks outlined Section 3 Installation This section covers general considerations regarding correctly commis sioning the Field Unit as well as unique applications such a flow service commissioning Also covered in this section are mechanical installation considerations such as Field Unit placement Section 4 General Configuration In this section general configuration options such as password protection and selecting a user password are discussed Also covered 15 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 Section 5 Configuring the RF Communications This section covers the setup of the Field Unit RF Communications which allow the Field Unit to achieve communication with the Base Radio Pa rameters discussed are the Field Unit RF ID the RF channel setting and Baud Rate Section 6 Configuring the Sampling and Transmission Rates This section aids the user 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 Section 7 Configuring the Process Variable This section helps the user to zero the sensor as well as discussing the setting of a measurement o
20. this to the user The user will not be allowed to leave this screen before the setting is corrected To configure the Normal Upper and Lower Value menu options using the Wireless Instrumentation Manager software enter the configuration menu See Section 9 2 of the Wireless Instrumentation Manager User Manual Once in the configuration menu click on the Sampling Bands tab to bring up the sampling band information as shown in Figure 6 7 To set a limit to the normal condition enable the limit by clicking on the Use Input 1 Limit check box Then enter the value and time deadband for the limit Rev 1210 7 Configuring Process Variable This section helps the user in the selection of engineering units as well as discussing the setting of a measurement offset and trimming 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 7 1 Zeroing the Sensor Zeroing the sensor can only be performed from the Field Unit You will need to check the position zero reading on the transmitter The Differ ential Pressure Field Unit is a sensitive device Its elevation and its orien tation 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 instal
21. yourun the RSSI Diagnostics See Section 3 2 1 Field Unit RSSI Diagnostic Rev 1210 Section 3 Installation 3 1 Mechanical Installation Warning A During installation do not apply force to the in strument housing or antenna Use a proper wrench for all installations Failure to use correct installa tion procedures can cause damage to the Field Unit 3 1 1 Field Unit Positioning In this section mechanical installation instructions are discussed for the various setup capabilities of the Differential Pressure Field Unit The subsections are as follows 3 1 1 Field Unit Positioning 3 1 2 Installation in Liquid Flow Service 3 1 3 Installation in Gas Service 3 1 4 Installation in Steam Service Each AWS Differential Pressure Field Unit is a rugged device which provides optimal performance when installed with careful consideration It may be utilized in any ultrasound measurement service so long as care is exercised to prevent exposing the sensing elements to excess stress or temperature Installation practices greatly affect the life that you can expect from your AWS Differential Pressure Field Unit Give careful consideration to the environment where you will be installing your instrument Avoid installations that expose the device to excess temperature high vibration considerable shock or exposure to dripping condensate or corrosive materials Also avoid installing the device in an unserviceable location
22. 0 Warning Statement WARNING EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR USE IN A HAZARDOUS LOCATION CERTIFICATION DOCUMENT NO CHANGES PERMITTED WITHOUT PRIOR CSA APPROVAL NOTICE This drawing and specifications herein are Adaptive Instruments Corp proprietary property of ADAPTIVE INSTRUMENTS and ghal not reproduced in whole or in part as the basie for manufacture or sale without prior written permission VS Installation Control Drawing Wireless Sensors from Adaptive Instruments ACDSee EET Rev 1210 41 AWS Wireless Differential Pressure Field Unit User Manual INPUT CONNECTIONS Wh AM WI GP 1 WAP WLGL Integral Sensor no external connections Integral Sensor no external connections Pressure Senso WI RT I mem TEE E J1 Terminal Board Sensor Input J3 Terminal Board Input Switches Input Swt WI RT S WI RT M CO RT S CO RT E ture WI GP S WI AP S WI GP M WI AP M WI GL M WI GL S WI GP E WI AP E WI GL E WI DP E WI GP EL WI AP EL WI GL EL WI DP EL WI SES WI SI M WI SFE WI SI EL Dual Switch Input o Moi stamens Com oma ma WS installation Contro Drawing Wireless Sensors for manufacture or sale without prior written permission from Adaptive Instruments 5 Drawing NO Sou w wa jw 2350 42 Rev 1210 Section 10 Technical Specif
23. 5 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 64 Normal undetected Sample t Figure 6 2 15 an example of what happens when Normal Sampling Rate 15 correctly set for the device that is being monitored Notice how this set ting makes it possible to sample the rise in the voltage level 1 00 2 00 Time min With a Normal The Wireless Instrumentation Manager software must be used to configure Sampling Rate of 15 Seconds this setting An explanation of how to select the Normal Sampling Rate Figure 6 2 Correct Sampling Rate using the Wireless Instrumentation Manager software can be found in sec tion 6 6 of this manual 22 Rev 1210 Section 6 Configuring Sampling and Transmission Rates 6 3 Selecting the Abnormal The Abnormal Transmission Rate is identical to the Normal Transmission P Rate with one exception The Abnormal Transmission Rate only applies Transmission Rate while the Field Unit is in an abnormal condition see Section 6 6 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 und
24. 84 85 86 87 88 Rev 1210 gallons liters imperial gallons cubic meters barrels bushels cubic yards cubic feet cubic inches liquid barrels bbl lig 31 5 US gallons normal cubic meter MKS System normal liter MKS System standard cubic feet US System hectoliters feet meters inches centimeters millimeters see Note 1 in HART document HCF SPEC 183 grams kilograms metric tons pounds short tons long tons ounce grams per second grams per minute grams per hour kilograms per second kilograms per minute kilograms per hour kilograms per day metric tons per minute metric tons per hour metric tons per day pounds per second pounds per minute pounds per hour pounds per day short tons per minute short tons per hour short tons per day long tons per hour long tons per day Density Units SGU GramPerCuCm KGPerCuMeter PoundsPerGal PoundsPerCuFt GramsPerML KGPerLiter GramsPerLiter PoundsPerCuIn ShTonPerCuYard DegTwad DegBaumHeavy DegBaumLight DegAPI Analytical Units Percent Special Units SpecialUnits id 90 91 P 92
25. F This means the Field Unit will not communicate to 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 1 OPERATIONS SEQUENCE I NEXT REOR y USER PROMPTED FOR PASSWORD ENTER CHAN RF CH16 _ Default of RF OFF Figure 5 1 Menu Map to RF Channel Setting 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 communica tion problems Rev 1210 5 2 Baud Rate Selection 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 5 3 RF Identification RF ID Selection Section 5 Configuring RF Communications 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 successful communication to occur There are three selectable settings with the fastest update times and ranges listed below 4 8 Rate of 4 8 Kbaud Update every 20 seconds Range of 3000ft Line of Sight 192 Rate of 19 2 Kbaud Update every 5 seconds Range of 2000ft to 2500ft Line
26. NTER and NEXT buttons until the unit powers up 3 Hit the NEXT button until the CONFIG message appears then hit ENTER 4 Enter the default password 0000 to enter the CONFIG menu 5 Enter the SET RF menu 6 Set RF CHAN setting equal to the Base Radio s RF Channel 7 Set BAUD RT setting equal to the Base Radio s Baud Rate 8 9 1 NOR Set RF ID number to be a unique value between 1 and 100 Zero the sensor 0 Trim and Offset the measurement if appropriate Perform the following via the Wireless Instrumentation Manager software Select mode of operation Select appropriate engineering units Enter appropriate calculation parameters Select normal transmission rate Select normal sampling rate Select abnormal transmission rate Select abnormal sampling rate Set normal upper and lower values GOO Ore OX es If the OFF message 15 being displayed on the Field Unit LCD per form the following Set the RF CHAN setting equal to the Base Radio s RF Channel If a NO RF message is being displayed on the Field Unit LCD check the following e 15 Field Unit set to the above listed configurations e Isthe Base Radio on e Do Field Unit and Base Radio settings match See Sec tion 5 of the Field Unit and Base Radio User Manuals e Are the Base Radio and Field Units unable to communicate due to obstructions or distance See Field Unit Manual Field Unit Placement section Have
27. Please note that the password only protects the Field Unit from unauthor ized configuration via the NEXT and ENTER buttons The Wireless In strumentation Manager 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 Wireless Instrumentation Manager User Manual Section 8 4 To reset all Field Unit settings to their default state the user must navigate to the DEFAULT menu option in the CONFIG menu via the keypad Once at the default menu option pressing the ENTER button will display RESET on the LCD which asks if you are sure you want to reset the device to its default configuration 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 dis played the device will be reset Rev 1210 17 5 Configuring RF Communications 5 1 RF Channel Selection Warning During installation do not apply force to the in strument housing or antenna Use a proper wrench for all installations Failure to use correct installa tion procedures can cause damage to the Field Unit In order for the Field Unit and the Base Radio to communicate they must be on the
28. Range 1 For example if two Field Units are placed one foot apart and first Field Unit has an RF ID number of 027 that means it is in the 4th group 22 28 The second Field Unit must have an RF ID number that is in another group less than 22 or greater than 28 Setting the RF IDs of two closely spaced Field Units so that the RF ID numbers are greater than 7 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 Field Units maintain their synchronization with their Base Radio by simply assigning each of the two closely spaced 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 Rev 1210 3 1 2 Installation in Liquid Flow Service Figure 3 2 Installation in Liquid Flow Application 3 1 3 Installation in Gas Service The piping between the process and the transmit ter must accurately convey the process pressure to the transmitter sensor In transferring the pres sure there are several sources of error These are leaks pressure loss due to friction particularly if purging is used in the application gas that is trapped in a liquid line liquid that is trapped in a gas line
29. Seconds LCD Message Lower Limits Use Input 1 Limit 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 Figure 6 7 Normal Upper and Lower Value Selection Using WIM 26 To configure the Normal and Abnormal Sampling and Transmission menu options using the Wireless Instrumentation Manager software enter the configuration menu See Section 9 2 of the Wireless Instrumentation Man ager User Manual Once in the configuration menu click on the Sampling Rates tab to bring up the sampling rate information as shown in Figure 6 6 To select the Normal Transmission Rate select one of the time periods from the drop box Next select an Abnormal Transmission Rate in the same manner Note that the Normal and Abnormal Transmission Rate can be the same Once the transmission rates have been selected the user should select the desired sampling rates Note that the sampling rate must be equal to or faster than the associated transmit rate For example in Figure 6 6 the Normal Transmission Rate is set to 10 seconds and the Normal Sampling Rate is set to 1 second This is a valid configuration If the user incorrectly enters the Transmission and Sampling Rates a mes sage will be displayed explaining
30. TIONS SEQUENCE NEXT NEXT Nexr NExT FACTORY wae USER PROMPTED FOR PASSWORD UF Figure 4 3 Overall Configuration Menu Each Field Unit has a user settable Field Unit Tag Name This Tag Name 15 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 The user 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 5 characters long then you do not want to wait for the rest of the 16 characters to be dis played on the LCD So if your Tag Name was you would want to enter the Tag Name like this TRAP1 n The Tag Name is entered via the Wireless Instrumentation Manager To do so when the software is in the Field Unit view See Section 8 1 of the Wireless Instrumentation Manager User Manual right click the Field Unit 1con select Rename 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 dis played by pressing the ENTER button when the unit is in the Operations Sequence See Section 4 1 1 of this manual Rev 1210 4 4 Setting a User Pas
31. am lines to keep from collecting sludge and particulates Process steam temperatures almost always exceed the working tempera tures for the differential pressure transmitter To surmount this problem allow the impulse lines to condense and cool the steam by exposing the impulse lines to the general ambient temperature Make the vertical sec tion of the impulse lines long enough to make sure the steam condenses in the impulse lines A good rule of thumb is that each foot of condensate line reduces the temperature by 20 F Example Saturated steam at 15 psig is approximately 250 F To lower the temperature at the transmitter to 200 F take 50 F divided by 20 F per foot 2 5 feet of condensate pip ing Drain valves on the vertical portion of the condensate lines are gener ally a good idea to help keep the system clean and free from a build up of sludge 1 Tap into the side of the steam line 2 Run vertical impulse lines to allow the steam to condense and cool Mount the transmitter below the line taps but above the drain valves 3 Fill the impulse lines with water when commissioning the device Rev 1210 7 AWS Wireless Differential Pressure Field Unit User Manual 3 2 Testing Communications Remember 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 condu
32. ansmitter use the following procedure 1 Open the manifold bypass valve fully 2 Close the Downstream manifold block valve 3 Check the zero output and adjust if necessary If you suspect gas or air in the impulse lines these should be purged 4 Open the Downstream manifold block valve 5 Close the manifold bypass valve The sensor is now in service Rev 1210 4 General Configuration 4 1 Field Unit Displayed Messages During configuration and testing keep Field Units at least six feet from the Base Radio and other Field Units to ensure good communications 4 1 1 The Read Only Sequence This section discusses the generalities for configuring the Field Unit via the NEXT and ENTER buttons The subsections are as follows 4 1 Field Unit Displayed Messages 4 1 1 The Read Only Sequence 4 2 The Overall Configuration Menu Map 4 3 Setting a Field Unit Tag Name 4 4 Setting a User Password 4 5 Resetting All Field Unit Settings To turn the Field Unit on press and hold both the NEXT and ENTER but tons for a few seconds Upon power up the Field Unit will display the Power Up Sequence and then go into the Operations Sequence These Sequences are shown in Figure 4 1 below If enabled 1 POWER UP SEQUENCE i WI DP VER X XX E E acd E XXXX XX UNITS b RF STATUS RF RF SYNC RF OK ERROR MSG
33. cess value vs time than is possible with the fixed transmission rates while using less battery power First you must decide the amount that the process variable must change since the last data sample to trigger a new transmission of the process value If the process value changes by more than the entered Smart Rate amount within the normal or abnormal sampling rate whichever 1s active then the process variable is transmitted immediately The normal abnormal transmit clock is then reset upon this transmission If no Smart Rate amount exceeding change takes place 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 were selected by the user 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 To configure the Smart Rate using the Wireless Instrumentation Manager software enter the configuration menu See Section 9 2 of the Wireless Instrumentation Manager User Manual Once in the configuration menu click on the Sampling Rates tab to bring up the sampling rate information as shown in Figure 6 5 To enable t
34. ct 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 Ra dio 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 to increment the num ber 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 net work make sure communication is established by looking at the Field Unit LCD for the RF OK message in the Read Only Sequence see Sec tion 4 1 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 3 2 1 Field Unit RSSI Diagnostic The Field Unit should be placed in RSSI Diagnostic mode to determine the signal strength at the location of the
35. date data faster than their communication speed allows Thus if you selected the 19 2K Baud Rate setting your fast est transmission rate will be 5 seconds The Field Unit automatically deter mines 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 de termine how often you need updates from the Field Unit You have a se lectable 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 sec ond This prevents data from being lost However if the Transmission Rate is set to the maximum 1 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 Transmission Rate The Wireless Instrumentation Manager software must be used to configure this setting An explanation of how to select the Normal Transmission Rate using the Wireless Instrumentation Manager software can be found in Section 6 6 of this manual Rev 1210 21 AWS Wireless Differential Pressure Field Unit User Manual 6 2 Selecting the Normal The Normal Sampling Rate is the interval in which the Field Unit reads monitored process value As previously mentioned Field Unit is in Sampling Rate sleep mode to save power during the operations sequence This
36. e exceeded the Normal Upper Value The Wireless Instrumentation Manager software must be used to config ure this setting An explanation of how to select the Abnormal Transmis sion Rate using the Wireless Instrumentation Manager software can be found in section 6 6 of this manual Input Volts 10 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 3 Example of Abnormal Transmission Rate Setting Rev 1210 23 AWS Wireless Differential Pressure Field Unit User Manual 6 4 Selecting the Abnormal Sampling Rate If you do not need more or less frequent samples and updates from a Field Unit for a given applica tion then there is no need to complete this section Simply set the Normal Transmission and Sam pling Rates to the desired speeds and make sure that the Normal Upper and Lower Values are configured to Disabled 24 The Abnormal Sampling Rate is identical to the Normal Sampling Rate with one exception The Abnormal Sampling Rate only applies while the Field Unit 15 in an abnormal condition see 6 6 Selecting the Normal Up per and Lower Values This allows an increase or decrease of the fre quency 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
37. eld Units too So close together 79 See Section3 1 1 1 A Sy 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 communication The Testing Communications section will help you to determine 1f you have selected the correct installation points and orientations for your applica tion Rev 1210 AWS Wireless Differential Pressure Field Unit User Manual 3 1 1 1 Technique for Close Positioning of Field Units Field Units may be placed closely together by carefully following this procedure If this procedure 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 Base Radio synchronizes with the Field Units in Synch Groups of 7 organized by their RF ID numbers If you want to place two Field Units closer than 6 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 RF ID
38. ent No revision to drawing without prior FM Approval RTD TC and Contact Input process connections to a Simple Apparatus Only Accutech WI RT S CO RT S WI TC S WI GP S WI AP S WI SI S WI GL S WI RT M CO RT M WI TC M WI GP M WI AP M Wi SI M WI GL M WI AM SW AM WI AP I WI GP I WI RT I and WI TC I MUST be installed to a bonded process Accutech WI Al WI AV has an internal ground screw mounted in the enclosure and must be connected to IS ground All conduit connections must be sealed within 18 per NEMA 4 Standards for models WI xx N Wi xx NT CO xx N and OANA AWN CERTIFICATION DOCUMENT NO CHANGES PERMITTED WITHOUT PRIOR FM APPROVAL Adaptive Instruments Corp 10 24 03 Released oun 40 Rev 1210 Section 10 Technical Specifications CSA APPROVED INTRINSICALLY SAFE INSTALLATION CONTROL DRAWING HAZARDOUS CLASSIFIED LOCATION UNCLASSIFIED LOCATION Class I Zone 0 Group Class Division 1 Groups A B C and D Class II Division 1 Groups E and G Class 111 RTD TC Contact inputs see Nole 8 Accutech WHAI WI AV Entity Parameters Ui Vmax 30V li Imax 100mA 0 9W 0 Li 0 Notes 1 The Intrinsic Safety Entity concept allows the interconnection of a CSA Certified Associated Apparatus to a CSA Certified Intrinsically Safe field device each with entity parameters not specifically examined in combination as a
39. 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 E im i d from is displayed on the LCD using a combination of gt and characters 1e nits versions 1 an 1gher e version m gt number only be checked when the Field Unit Full signal strength is displayed as gt gt gt gt m gt while minimum signal is powered up See Figure 4 1 strength is displayed as _ If the field unit is not communicating with the Base Radio ie NO RF all underscore characters will 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 E 105 dBm amp 100 dBm amp 95 dBm amp 90 dBm amp 85 dBm amp 105 dBm 100 dBm 95 dBm 90 dBm 85 dBm 80 dBm 80 dBm 8 Rev 1210 3 2 1 Continued While using slower baud rate increases communication distance it also increases the minimum transmit rate See Section 5 2 for a list of the fastest transmit rates for each baud rate This may not be suitable for your application 3 2 2 Link Test The Link Test may only be conducted from Field Units Base Radios and WIM versions 1 7 and high
40. er However a Link Test being run from WIM version 1 7 may test communications with Field Units older than version 1 7 The version number may only be checked when the Field Unit is powered up See Figure 4 1 Section 3 Installation To place the Field Unit in RSSI Diagnostic mode follow the menu map shown in Figure 3 4 Note that the RSSI menu is under the DIAGNSE menu and not the CONFIG menu ENTER USER PROMPTED FOR _ PASSWORD UF Figure 3 4 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 gt will constantly fluctuate You should estimate an average value based on these fluctuations The ideal signal integrity 15 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 the EXIT of the diagnostic menu and return to the Operations Sequence shown in Figure 4 1 in Section 4 1 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 particular point you may want to try a slower baud rate setting for an increased range One final soluti
41. er normal conditions The Field Unit has a se lectable range of 1 5 10 15 20 40 seconds and 1 minute Figure 6 3 is an If the device is not configured to check for abnor mal process conditions using Sample Bands section 6 6 the Abnormal Transmission rate is ak not used and this section can be ignored 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 will then follow this immedi ate 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 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 The user should also note that the transmission time depends on the sam pling rate and when the process value is sampled If the Normal Sampling Rate 1s 30 seconds then the process value may be above the Normal Up per Value for up to 29 seconds before an abnormal condition is detected This means that the transmission could be as late as 29 seconds after the process valu
42. 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 Rev 1210 45 Appendix c NTER ENTER Factory passwords will be hard READ ONLY 1 coded User password will be Saas 0000 from factory gt RECHTE RF OFF is Default NEXT ENTER NEXT NEXT Default of 19 2K NEXT Default of 000 NEXT m NEXT NEXT ENTER amp NEXT AT ANY TIME 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 The sensor should be at ZERO when YES is selected Note If a menu is left unchanged for 2 minutes then the Field Unit will return to the Operations Sequence NEXT IF YES IS SELECTED NEW TRIM IS SAVED IF NO IS SELECTED TRIM POINT IS DISCARDED IF YES IS PRESSED TRIM IS RESET IF NO IS PRESSED NEW TRIM IS CANCELLED 46 Rev 1210 Appendix D Modbus Register Definitions Pressure Units InH20At68F m1 inches of water at 68 degF InHgAtOC 2 inches of mercury at 0 degC FtH20At68F 3 feet of water at 68 degF MMH20At68F 4 millimeters of water at 68 degF MMHgAtOC 5 millimeters of mercury at 0 degF PS 6
43. ffset and trimming the process measurement Section 8 Selecting and Configuring Operation Modes In this section the four operation modes pressure orifice flow open chan nel flow and level of the Differential Pressure Field Unit are discussed in order to aid the user in selecting the right mode for his or her application and properly configuring the Field Unit for that specific application Section 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 Section 10 Technical Specifications This section explains the technical specifications that are associated with this device such as power characteristics accuracy and operating charac teristics Rev 1210 AWS Wireless Differential Pressure Field Unit User Manual 1 2 ABOUT THE DEVICE 1 3 UNPACKING 1 4 SOFTWARE COMPATIBILITY The AWS Differential Pressure Field Unit is a reliable Radio Frequency RF transceiver coupled with a differential pressure sensor that can be used to monitor a variety of processes in hazardous and hard to reach ar eas The time and expense of running wires often makes it difficult to measure parameters that have an economic impact on your plant opera tion but the Differential Pressure Field Unit allows you to quickly and accurately monitor those devices at a fraction of the cost which gives you bigger and faster returns on your instrumentatio
44. g Bracket The optional mounting bracket DPB 2S can be ordered separately Rev 1210 Section 10 Technical Specifications Dimensioned Mechanical Drawing Rev 1210 39 AWS Wireless Differential Pressure Field Unit User Manual FM APPROVED INTRINSICALLY SAFE INSTALLATION CONTROL DRAWING HAZARDOUS CLASSIFIED LOCATION Class Zone 0 Group Class 1 Division 1 Groups A B C and D Class Il Division 1 Groups E and Class III Ui Vmax 30V li Imax 100mA Pi 0 9W Cis 0 Li 0 Notes 1 The Intrinsic Safety Entity concept allows the interconnection of two FM Approved intrinsically safe devices with entity parameters not specifically examined in combination as a system when Uo or Voc or Vt lt Vmax lo or Isc or It lt Imax Ca Co Ccable La or Lo gt Li Leable Po lt Pi Dust tight conduit seal must be used when installed in Class Il and Class environments Control equipment connected to the Associated Apparatus must not use or generate more than 250 Vrms or Vdc Installation should be in accordance with ANSIISA RP12 6 Installation of Intrinsically Safe Systems for Hazardous Classified Locations and the National Electrical Code ANSI NFPA 70 Sections 504 and 505 The configuration of associated Apparatus must be FM Approved under Entity Concept Associated Apparatus manufacturer s installation drawing must be followed when Installing this equipm
45. he Smart Rate click the check box labeled Enable Smart Rate The user will then be allowed to enter a delta or amount changed value which will trigger a transmission Once a value has been entered click OK to save and download the configuration changes to the Field Unit Rev 1210 25 AWS Wireless Differential Pressure Field Unit User Manual 6 6 Selecting Rates Thresh olds and Deadbands via the WIM Differential Pressure Properties 00009044 9 44 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Update Rates Normal Transmit Rate 10 Sec Abnormal Transmit Rate 5 Sec Normal Sampling 1 Sec Abnormal Sampling 1 Sec 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 Percent Sqr Rt 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 OK Cancel Figure 6 6 Sample and Transmission Rate Selection Using WIM Differential Pressure Properties 00009044 9 44 General Range Operation Mode Sensor Offset Sampling Rates Sampling Bands Alarms Upper Limits Use Input 1 Limit Value Percent Sqr Rt Time Deadband
46. ialog box 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 Differential Pressure Properties 00009044 9 44 Sampling Rates l Sampling Bands Alarms General Range Operation Mode Sensor Offset O Disable Sensor Offset Curve Enable Sensor Offset Curve Curve Parameters Number of Pairs of Values 2 Indicated Actual Value Indicated Actual Value Value Value Point 0 Point 1 1 values are in units of Psi Load File Save to File 0K Cancel Figure 7 4 Setting a 22 Point Curve Using WIM Rev 1210 29 Section 8 Selecting and Configuring Operation Modes 8 1 Differential Pressure Differential Pressure Properties 9 44 Sampling Rates ling Band Alarms General Range Sensor Offset Mode Pressure Pressure Units NOTE Square root is OFF Load from Save to OK Cancel Figure 8 1 Differential Pressure Setting Using WIM 30 In this section the four operation modes differential pressure orifice flow open channel flow and level are discussed in order to aid the user in se lecting the right mode for his or her application and properly configuring the Field Unit for that specific application The subsections are as follows 8 1 Differential Pressure 8 2 Orifice Flow 8 3 Open Channel Flow 8 4 Level This mode si
47. ications WI TC NT yy z IC Temperature CO RT N CO RT NT CO RT NT Resistance Tape WHGP S xxHAL WI AP S xxHAL Pressure Sensor yy Y6 Y9 2 Antenna cable length max length 100 ft with bonded ground NOTE Devices connected to J3 and input wires must be of Simple Apparatus type e e VS Installation Control Drawing Wireless Sensors MEER RR Rev 1210 43 Appendix A Navigating User Menus Pressing either the NEXT or ENTER buttons located on the front of the Field Unit or Base Radio just below the Liquid Crystal Display LCD screen 15 all that 15 needed to navigate the respective menus Pressing both of these buttons 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 goes back to the normal display mode If you enter a sub menu that requires a numerical input such as 001 the left most 0 will be blinking This indicates that pressing the NEXT button will increment this value with each press from 0 to 9 and back to 0 again 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
48. ing the RF Communications RF Channel Selection RF Baud Rate Selection RF Identification Selection Configuring the Sampling and Transmission Rates Selecting the Normal Transmission Rate Selecting the Normal Sampling Rate Selecting the Abnormal Transmission Rate Selecting the Abnormal Sampling Rate Setting the Smart Rate Threshold Selecting Rates Thresholds and Deadbands via the Software Configuring the Process Variable Zeroing the Sensor Setting a Measurement Offset Trimming the Measurement Entering a 22 Point Curve Selecting and Configuring Operation Modes Differential Pressure Orifice Flow Open Channel Flow Level Maintaining the Field Unit 9 1 Changing the Battery Section 10 Technical Specifications Dimensioned Mechanical Drawing Appendix A Navigating the Menus Appendix B Displayed Message Definitions Appendix C Field Unit Menu Map Appendix D Modbus Register Definitions Rev 1210 oR BR 14 15 15 16 16 17 17 18 18 19 19 Oon 21 22 23 24 25 26 27 27 28 28 29 30 30 31 33 35 36 36 37 39 44 45 46 47 IH IV Table of Figures 3 1 Example of Incorrect Field Unit Positioning eene 5 3 2 Installation in Liquid Flow 2 3 3 Installation in a Steam Application 7 3 4 Menu Map to RSSI eva UA NAES
49. led For this step power the unit and apply zero pressure Be sure that the unit 15 installed in its final location or that it is oriented exactly as it will be in its final installation If you have a differential pressure device you will also need to go through a series of operations to fill the impulse lines to the device See Section 3 2 Commissioning If you have a transmitter pressure reading of zero that is the transmit ter reading is within the specified accuracy of 0 07 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 execute the position zero adjustment by following the menu map shown in Figure 7 1 When P ZERO is selected the sensor is zeroed However the displayed value 15 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 dis play 0 offsets must be zero before applying P ZERO For example 1f 3 PSI of pressure 15 applied to a sensor an offset of 5 PSI 15 entered into the keypad and P ZERO 15 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 PASSWORD UF ENTER If ENTER is pressed while YES is being displayed the value is 7 YES NO
50. may adjust itself for the specified amount of time Rev 1210 13 AWS Wireless Differential Pressure Field Unit User Manual 3 3 Commissioning 3 3 1 Liquid Service Commissioning Using a 3 Valve 3 3 1 Liquid Service Zeroing Using a 3 Valve Manifold In this section commissioning instructions are discussed for the various setup capabilities of the Differential Pressure Field Unit The subsections are as follows 3 3 1 Liquid Service Commissioning Using a 3 Valve Manifold 3 3 2 Liquid Service Zeroing Using a 3 Valve Manifold Be careful when commissioning your transmitter Transient pressure shock waves that can overpressure the sensor causing zero shifts These are most always generated on the upstream side of the instrument By design mini mum zero shift is generated when the transmitter is over pressured on the side Sensors are protected for overpressure on either side to the full pressure rating of the process flanges However stresses induced during overpressure will cause a temporary zero shift It is therefore recom mended that during commissioning and zeroing every attempt should be made to prevent over pressuring the sensor on either side The procedures outlined below will allow commissioning and zeroing without over pressurizing In the event that the sensor is subject to significant over pressure steps must to taken to re establish the neutral instrument zero If the sensor is or has been over pressurized on
51. 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 Notice that the minimum speed of the Normal Sampling Rate is dependent on the Normal Transmission Rate setting selected see Section 6 1 The Sampling Rate cannot be set 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 olts p 500 750 feet 2000 2500 feet 3000 feet P i 20 Seconds 10 Normal and Abnormal 1 Second or 5 Seconds or 20 Seconds or Sample Normal and Abnormal Equalto Transmit Equalto Transmit Equalto Transmit 43 In order to properly set the Normal Sampling Rate determine how often updates are needed from the Field Unit when the process being monitored S Time min With a Normal 200 is operating under normal conditions The Field Unit has a selectable Sampling Rate of 30 Seconds range of 1 5 10 15 20 30 and 60 seconds depending on the Normal Figure 6 1 Incorrect Sampling Rate Transmission Rate The factory default is 1 second However the more frequently the Field Unit wakes up to check the monitored device the TM faster you will use up the battery life ofthe Field Unit npu pis ie Figure 6 1 1
52. mply calculates and displays the differential pressure value from the Differential Pressure sensor To set the Field Unit to this opera tion mode you must go to the configuration menu of the Field Unit via the Software For further instructions on getting to the configuration menu see Section 9 2 of the Wireless Instrumentation Manager User Manual Once you have opened the configuration menu select the Operation Mode tab at the top of the menu You should then see a menu like the one shown in Figure 8 1 To select the Differential Pressure mode select Pressure in the Mode drop down box This will display another drop down box which will al low the selection of differential pressure engineering units You should select the units that are appropriate for your application All possible units are listed below Mm of HG Mercury 0 Pounds per inf PSD pss Once engineering units have been selected a 22 point sensor offset curve can be enabled it is disabled upon delivery from the factory by selecting the Sensor Offset tab within the configuration menu Rev 1210 8 2 Orifice Flow Differential Pressure Properties 9 44 Sampling Rates ling Band Alarms General Range Sensor Offset Mode Orifice Flow Differential Pressure 5 Psi Flow 10 Cubic Feet Sec Full Scale Flow 8 4929 Cubic Feet Sec Truncation Point 5 Cubic Feet Sec Flow Units Cubic Feet Sec NOTE Square root is ON
53. n investments The Field Units communicate in a secure digital protocol over a band of frequencies from 902MHz to 928MHz This data communication tech nique has been the backbone of the military s secure communications pro tocols 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 to quickly test the eco nomic viability of a new installation The purpose of this manual is to help you install and maintain your AWS Differential Pressure Field Unit BEFORE setting up and installing the Field Unit please setup and configure the Base Radio 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 ship ment but it does sometimes happen Please give us a call and we may be able to resolve this matter quickly over the
54. ng 26 7 1 Menu Map to Pressure Zero Setting 27 7 2 Menu Map to Offset COS Db Nase bun Eds 28 7 3 Menu Map to Trim Set Ugo eio n ER SEU EPA CEPI o PER LAB COR RISE 28 7 4 Setting a 22 Point Curve Using sess 20 8 1 Differential Pressure Using WM sedaceneenxessnsuncunkus odia ohh E Ven uon Rs 30 8 2 Ae 31 8 3 Orifice Flow with Square Root Calculation 32 8 4 Open Channel Flow Mode scisco bro cO 33 8 5 Level ex eb UA E UU ERE ON AD eR PRX ORE ERO aeia 35 Dimensioned Mechanical Drawing vsscswsvesvisssdorsestavenddinetiocansssnnedsenvestevuareetssaanivess 39 Appendix C Field Unit Menu Ma 46 Rev 1210 1 Introduction 1 1 USING THIS MANUAL This manual is designed to assist in installing operating and maintaining AWS Model WI DP Differential Pressure Field Units The manual is bro ken into sections as follows Section 2 Quick Start This section summarizes what must be done in order to get the device in stalled configured and in operation quickly However it does not provide detailed or how to information to perform
55. ng Sampling and Transmission Rates 6 1 Selecting the Normal Transmission Rate The Differential Pressure Field Unit is very versatile with many program mable features and can be used in numerous different applications Be cause no two applications are the same some configuration is required for each unit This section will walk you through the initial configuration of these sample and transmit settings 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 Rates Thresholds and Deadbands via the Software The Normal Transmission Rate is the interval in which the Field Unit transmits data to the Base Radio The Field Unit is in a 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 pre serve battery life The Field Unit will then wake up every Normal Sam pling Period and take the necessary process value readings The Field Unit will then transmit these readings to the Base Radio on an interval deter mined by the Normal Transmission Rate Notice that the fastest update rate of the Normal Transmission Rate is de pendent on the baud rate setting you selected earlier see Section 5 2 The transmission rates cannot up
56. ng a LOW BAT message on the Field Unit This is a simple process 1 Make sure you have the correct replacement battery AWS model WI BAT TADIRAN Lithium Inorganic Battery non rechargeable Size 3 6Volts A TL2200 S 2 Power down the Field Unit by pressing and holding both the NEXT Warning and ENTER buttons for a few moments When removing the housing do not 3 Remove the 4 set screws on the sides of the Field Unit housing with twist or bend the green flex cable Do a standard screw driver ing so may cause the tether to improp erly seat next to the antenna and greatly 4 Remove the housing and locate the battery Warning When remov reduce operable RF distances Do not ing the housing do not twist or bend the green flex cable Doing so allow the housing to flop around while may cause the tether to improperly seat next to the antenna and hanging by the tether greatly reduce operable RF distances Do not allow the housing to flop around while hanging by the tether 5 Remove the old battery and replace it with the new battery positive end first Note that the positive end of the battery clip is the end with the red wire 6 Plug the green wire flex cable back in 1f unplugged and replace the housing Then screw the housing back on and power up the unit by pressing either of the buttons 7 Properly dispose of used battery 36 Rev 1210 10 Technical Specifications Differe
57. nits drop down list to show the Square Root Calculation Rev 1210 Section 8 Selecting and Configuring Operation Modes 8 3 Open Channel Flow This mode lets the user setup flow calculations for open channel flow measurements for weirs In order to make this calculation the user must Differential Pressure Properties 9 enter the density of the material a differential pressure value and a match Sampling Rates i ing flow value In addition a truncation point value must be entered Fi Rim nally user must fill out the 22 point curve table indicating the rela Mode Open Channel Flow tionship between column height and flow rate Flow To set the Field Unit to this operation mode you must go to the configura tion menu of the Field Unit via the Software For further instructions on getting to the configuration menu see Section 9 2 of the Wireless Instru 1 10 Cie Si mentation Manager User Manual Full Scale Flow 7 213 Cubic Feet Sec Truncation Point 5 Cubic Feet Sec Once you have opened the configuration menu select the Operation Flow Units Cubic Feet Mode tab at the top of the menu and select Open Channel Flow from the mode menu You should then see a menu like the one shown in Figure 8 3 Differential Pressure 5 Psi Select the units that are appropriate for your application All possible units are listed below T p lt lt Figure 8 4 Open Channel Flow Mode NOTE S
58. ntial Pressure Input Characteristics Maximum Statie Pressure WI DP I 100PSI 100 25 PSI 2000 PSI WI DP I 300PSI 300 25 PSI 2000 PSI Accuracy 0 2 of full scale reading including combined effects of temperature hysteresis and repeatability Stability e Less than 0 25 of sensor URL per year at reference temperature Return from Overpressure e 0 04 Sensitivity in Reverse Pressure Direction e Within 1 0 of forward direction Mounting and Positioning Effect 1 5 In H O correctable with position zero Output Resolution e See the Base Radio description for analog and digital output options Operating Temperature Range e 40 F to 220 F 40 C to 104 C process connection temperature steady state e A0 F to 185 F 40 C to 85 C electronics A F to 158 F 20 C to 70 display full visibility e 40 F to 185 F 40 C to 85 C display with reduced visibility e Humidity Limits 0 to 100 Sampling and Transmission Characteristics The Differential Pressure Field Unit samples differential pressure or flow at regular inter vals The data may then be transmitted to the Base Radio for centralized monitoring and data acquisition The user specifies how frequently the process is monitored and how of ten data is transmitted e Differential Pressure Flow user designates low rate and high rate conditions e Sampling rate user selectable from 1 t
59. o 60 seconds low rate and from 1 to 30 seconds high rate e Transmission rate user selectable from 1 second to 60 seconds low and high rate Power Characteristics Self contained power Size 3 6 V lithium battery Up to five year battery life depends on sample rate and RF update rate field replaceable Rev 1210 37 AWS Wireless Differential Pressure Field Unit User Manual 38 RF Characteristics 902MHz 928 MHz Frequency Hopping Spread Spectrum FHSS FCC certified ISM license free band e Up to 3000 range from Base Radio with clear line of sight 500 to 1000 range with ob structions RF module in each field unit is individually tested and calibrated over the full tem perature range to ensure reliable wireless operation Self Diagnostics Low battery alarm indicates the need to replace the battery approximately one month warning Contains extensive self checking software and hardware that continuously monitors the operation sensor or device parameter out of spec is identified and reported Materials of Construction 316 stainless steel base 316 stainless steel diaphragm Hastelloy C is available upon special request 316 stainless steel flange and bolts Hastelloy C is available upon special request e DC 200 silicone sensor filling fluid Florolube available upon special request Weight approximately 6 2 Ibs 2 8 kgs GE Lexan co
60. of Sight e 76 8K Rate of 76 8 Kbaud Update every 1 second Range of 500ft to 750ft Line of Sight A faster RF Baud Rate allows the user 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 SSWOI i a MuR RFC TEN NEXT BAU M 4 8K ENTER NEXT 1 NEXT Default of 19 2K NEXT Figure 5 2 Menu Map to Baud Rate Setting Each Field Unit is identified by the Base Radio and WIM according to the RF ID given to that particular unit Two Field Units CANNOT have the same RF ID and be on the same RF Channel if you do not know the RF Channel see section 5 1 If the Field Unit is in the Operations Sequence pressing the ENTER button displays the Read Only Sequence on the LCD The RF ID of that unit will be displayed in this format ID 3 Field Units in your system are set to a default RF ID number upon ship ment For example if you have ordered a Base Radio and three Field Units the Field Units will be configured to RF ID s 0 0 and 0 You must set these units to three different IDs between 1 and 100 The Field Units in this exam ple c
61. on is to reposition the 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 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 15 ideal for testing communications for an installation with remote or hard to get to Field Units 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 Rev 1210 9 AWS Wireless Differential Pressure Field Unit User Manual 3 2 2 1 Conducting a Link Test from the The Link Test is located in
62. ould 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 Rev 1210 19 AWS Wireless Differential Pressure Field Unit User Manual 5 3 Continued 20 1 OPERATIONS SEQUENCE I NEXT E sm USER PROMPTED FOR PASSWORD 1 enteR gt RE CHAN NEXT NEXT ENT ID L R ID ers 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 Se quence for the Read Only Sequence to be displayed You may see an RF SYNC message displayed on the Field Unit LCD This means that the Field Unit and Base Radio are attempting to synchronize communications If this 1s 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 RF communication is unsuccessful Rev 1210 6 Configuri
63. phone The carrier will not honor any claims for damage unless all shipping ma terials are saved for their examination If you find any damage while you are examining and removing the contents save the packing material and the carton Software for AWS 15 revised periodically Internal device software may contain portions that are not compatible with previous versions of the Wireless Instrumentation Manager software To ensure software compatibility Wireless Instrumentation Manager soft ware version 1 70 138 or later must be used If you believe you are experi encing software compatibility issues please call Adaptive Wireless Solu tions Technical Tech support at 978 875 6000 or email techsup port adaptive wireless com Rev 1210 Section 2 Quick Start Warning A 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 This section summarizes what must be done in order to get the device in stalled configured and in operation quickly However it does not provide detailed or how to information to perform the tasks outlined Install the Field Unit in the desired location of operation Turn on the Field Unit by simultaneously pressing and holding the E
64. 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 PSIA 175 pounds per square inch absolute FtH20At4C 177 feet of water at 4 degC MetHgAtO0C 179 meters of mercury at 0 degC MegaPascals 237 megapascals InH20At4C 238 inches of water at 4 degC MMH20At4C 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 z19 cubic meter per hour GalPerSec 22 gallons per second MillionGalPerDay 23 million gallons per day LiterPerSec 24 liters 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
65. quare root is OFF NOTE For Open Channel Flow a 22 point curve table must be filled out for correct operation Rev 1210 33 AWS Wireless Differential Pressure Field Unit User Manual 8 3 Open Channel Flow cont Once engineering units have been selected a 22 point sensor offset curve must be enabled it is disabled upon delivery from the factory by select ing the Sensor Offset tab within the configuration menu 34 Rev 1210 8 4 Level Differential Pressure Properties Sampling Rates General Range Mode Fluid Level Level Density Full Tank Pressure 9 44 Sensor Offset Pounds Cubic Foot Tank Height Tank Volume Level Offset Level Units NOTE Square root is OFF Feet Cubic Feet Feet Feet Load from File Save to OK Cancel Figure 8 5 Level Mode NOTE For Level a 22 point curve table must be filled out for correct operation Section 8 Selecting and Configuring Operation Modes In this mode the user has the option of entering the density of material or the full tank pressure Also the user must enter tank height and tank vol ume Finally the user 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 selected by the user For non uniform tanks the user must also fill out the 22 point curve table indicating the relation
66. ress ENTER The Field Unit will prompt you to apply the indicated proc c n than ess 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 9000 00 enter APPLY ENTER 1 pO E cs Met 1 1 pase eee 1 1 OPERATIONS SEQUENCE CONFIG ENTER gt HIPNT jJ 0000 00 jewree APPLY ENTER I rin eae a a ENTER ee ne ri USER t SAVE YES IF YES IS PROMPTED H SELECTED NEW FOR NEXT TRIM IS SAVED PASSWORD i IF NO IS NEW TRIN NO ewe SELECTED TRIM POINT IS SET RF nat DISCARDED T NEXT IF YES IS PZERO RESET sewen YES PRESSED TRIM IS ENTER T RESET NEXT bri IF NO IS x PRESSED NEW OFFSET EXIT NO HENTER TRIM 18 CANCELLED NEXT TRIM Jewew INPUT 1 NEXT INPUT 2 NEXT EXIT Figure 7 3 Menu Map to Trim Setting 28 Rev 1210 7 4 Entering a 22 Point Curve Section 7 Configuring the Process Variable If you are running WIM a 22 point sensor offset curve may be entered for the Field Unit To do so open the configuration d
67. ship between height and volume To set the Field Unit to this operation mode you must go to the configura tion menu of the Field Unit via the Software For further instructions on getting to the configuration menu see Section 9 2 of the Wireless Instru mentation Manager User Manual Once you have opened the configuration menu select the Operation Mode tab at the top of the menu and select Fluid Level from the mode menu You should then see a menu like the one shown in Figure 8 4 Once engineering units have been selected a 22 point sensor offset curve must be enabled it is disabled upon delivery from the factory by select ing the Sensor Offset tab within the configuration menu Rev 1210 35 9 Maintaining Field Unit The Differential Pressure Field Unit is extremely easy to maintain in that it requires no periodic calibration or system checks The Field Unit has a self diagnostic that 15 constantly checking the internal system If any errors are found they are reported via the LCD Base Radio or in the WIM A simple yearly visual inspection for the following is all that 15 needed e 15 the Field Unit still securely fastened to the equipment be ing monitored e there any visible corrosions cracks or residue build ups on the unit Has anything about the application changed from the original intended use 9 1 Changing the Battery The battery will need to be changed within one month of seei
68. sword Differential Pressure Properties 00009044 9 44 Sampling Bands Alarms Range peration Mode Sensor ffset Description Location Date Installed Comments General Monitored Equipment Field Unit Password 0000 NOTE Device is in Pressure mode and units are in Psi Load from File Save to OK Cancel Figure 4 4 Setting a User Password 4 5 Resetting All Field Unit Settings Resetting the Field Unit by using the DEFAULT menu option will not reset the TRIM or OFFSET values Section 4 General Configuration 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 Se quence and viewing the Read Only Sequence The password is a four digit password The factory default is 0000 If you wish to select a different password one may be entered via the Wireless Instrumentation Manager software To do so enter the configuration menu See Section 9 2 of the Wireless Instrumentation Manager User Manual Once in the configuration menu click on the General tab to display the general information as shown in Figure 4 4 The Field Unit password for this device can be set by entering a four digit number in the Field Unit Password field Once a password has been en tered click OK to save and download the password to the Field Unit
69. system when Voc or Uo lt Vmax or Ui Isc or lo lt Imax or li Ca or gt Ci Ccable La or Lo 2 Li Leable Po lt Pi Where two separate barrier channels are required one dual channel or two single channel barriers may be used where in either case both channels have been Certified for use together with combined entity parameters that meet the above equations Dust tight conduit seal must be used when installed in Class Il and Class III environments Control equipment connected to the Associated Apparatus must not use or generate more than 250 Vrms or Vdc Installation should be in accordance with the Canadian Electrical Code Part 1 Section 18 The configuration of associated Apparatus must be CSA Certified under the Entity Concept Associated Apparatus manufacturer s installation drawing must be followed when installing this equipment No revision to drawing without prior CSA Approval Accutech WI RT S CO RT S Wi TC S WI GP S WI AP S WI SI S WI GL S WI RT M CO RT M WI TC M WI GP M WI AP M WI SI M WI GL M WI AM SW AM WI AP I WI GP I WI RT I and WI TC I MUST be installed to a bonded grounded process 9 Accutech WI Al WI AV has an internal ground screw mounted in the enclosure and must be connected to IS ground ONDAN Division 2 Waming Statement WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON HAZARDOUS Division 1 Division 2 Zone
70. t 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 6 3 2 2 2 Conducting a Link Test from the Base Radio 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 the quality of the link Be aware that the length of time it takes to perform this test is dependent upon how fast the Field Unit is normally transmitting 10 Rev 1210 Section 3 Installation 1 3 2 2 2 Continued OPERATIONS SEQUENCE ENTER yere ORE L 1 5 SEC 10 SEC 15 SEC 20 SEC 40 SEC 1 MIN H ENTER 5 STARR 4 STARR 3 STARR 2 STARR 1 STARR NO LINK Figure 3 6 Menu Map to Base Radio Link Test When enough messages have been observed a link strength will be shown on the display 5 STARR indicates
71. uce 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
72. updates are needed from the Field Unit when the process being monitored 15 operating under normal conditions The Field Unit has a selectable range of 1 5 10 15 20 40 seconds and 1 minute Figure 6 4 is an exam ple of how the device switches sampling methods from Normal Sampling Rates to Abnormal Sampling Rates Note how the first abnormal sample 15 taken a few seconds after the Normal Upper Value set point 15 exceeded The next sample will then follow this sample by 5 seconds or whatever the Abnormal Sampling Rate is set to These samples will continue at this interval until the process value drops below the Normal Upper Value set point 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 The user should also note that the transmission time depends on the sam ple rate and when the process variable is sampled If the Normal Sam pling Rate is 30 seconds then the process variable may be above the Nor mal Upper Value for up to 29 seconds before abnormal condition is de tected This means that the transmission could be as late as 29 seconds after the process variable exceeded the Normal Upper Value The Wireless Instrumentation Manager software must be used to config ure this setting An explanation of how to select the Abnormal Sampling Rate using the Wireless Instrumentation Manager software
73. users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power EIRP is not more than that required for successful communication The 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 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 moni toring applications The antenna is factory installed and MUST NOT be removed or modified by user O Adaptive Wireless Solutions 2010 Printed in the USA Rev 1210 I Table of Contents Section 1 1 1 1 2 13 1 4 Section 2 Section 3 3 1 3 2 33 Section 4 4 1 4 2 4 3 4 4 4 5 Section 5 5 1 5 2 5 3 Section 6 6 1 6 2 6 3 6 4 6 5 6 6 Section 7 7 1 7 2 73 7 4 Section 8 8 1 8 2 8 3 8 4 Section 9 Introduction Using This Manual About the Device Unpacking Software Compatibility Quick Start Installation Mechanical Installation Testing Communications Commissioning General Configuration Field Unit Displayed Messages Overall Configuration Menu Map Setting the Field Unit Tag Name Setting a User Password Resetting Field Unit Settings Configur
74. ver V 0 rating and UV stable Operating Vibration and Shock Characteristics e Certified per IEC EN00068 2 6 vibration and 2 27 shock Random Vibration Characteristics Certified to withstand 6 g s 15 minutes 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 emis sions standard Industrial Certification Pending e Rated for industrial use 40 F to 185 F 40 C to 85 C Pending FM NEMA 4X weather proof housing e Pending FM rated intrinsically safe for Class I II III Division 1 Groups A B CD amp G Class III II Division 2 Groups A B D amp G Intrinsic Safety Entity Parameters Pending e Maximum operating temperature 85 C e Temperature Class T4 Configuration The Wireless Instrumentation Manager is required for initial set up and ongoing configu ration Options include a 22 point custom curve capability The Wireless Instrumentation Manager can also be used for monitoring of the process information The user can set thresholds to represent alarm or abnormal conditions A local display provides Integrated LCD display with membrane switch buttons e Display provides pressure reading and error messages if applicable e Configure RF parameters locally using membrane switch buttons Mountin

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