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Acoustic Monitor User Manual

1. _ _ SAMPLNG ENTER NORM XR NEXT NEXT DEFAULT NORM SR me NEXT EXIT AR Y ABMR SR NEXT Y UL NEXT Y TEMP NEXT Y EXIT Figure 4 3 Overall Configuration Menu Map Each Field Unit also has a user settable Field Unit Tag Name This tag name is displayed upon Field Unit power up and when the Read Only Sequence is selected The Tag Name is a 21 character string that is dis played 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 If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit detects that the software 15 being used See Appendix A for more details The tag name should be entered using the Wireless Instrumentation Manager soft ware 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 icon and select Rename then enter the tag name you wish the Field Unit to have This tag name w
2. Instrumentation FOR INDUSTRIAL S5ENSUNHS
3. Rev 0505 A Acoustic Monitor Field Unit User Guide A Division of Adaptive Instruments Corp 577 Main Street Hudson MA 01749 U S A TEL 800 879 6576 978 568 0500 gt 978 568 9085 Wii f Email support accutechinstruments com ITEIESS www accutechinstruments Instrumentation FOR INDUSTRIAL SENMB5UHNMS User Manual Acoustic Monitor Field Unit Model WI AM Versions 1 58 or later Important Information to the User A Changes or modifications not expressly approved by Adaptive Instruments Corp may void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation 15 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 15 50 ohms To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power
4. These settings should be entered using the Wireless Instrumentation Manager software To do so enter the configuration menu See Section 9 2 of the Wireless Instrumen tation Manager User Manual Once in the configuration menu click on TT the Sampling Rates tab to bring up the sampling rate information as General Range Sampling Rates Sampling Bands Alarms 0m M Wireless Tramsmit Rates shown in Figure 6 13 Normal Transmit Rate 105 x To select the Normal Transmission Rate select one of the time periods Abnormal Transmit Rate 3 v 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 Sensor Sampling Rates Normal Sampling 105 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 Abnormal S ampling 1 Sec M faster than the associated transmit rate For example in Figure 6 13 the Normal Transmission Rate is set to 10 seconds and the Normal Sampling Rate 15 also set to 10 seconds This 15 a valid configuration Another ex ample in Figure 6 13 15 the Abnormal Transmission Rate being set to 3 seconds and the Abnormal Sampling Rate being set to 1 second If you incorrectly enter the Transmission and Sampling Rates a message will be displayed explaining this You will not be allow
5. Class 111 Accutech RTD TC Contact Inputs Associated Control see Note 8 Apparatus Equipment only Accutech WI AV Entity Parameters Ui Vmax 30V li Imax 100mA 0 9W Ci 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 x Vmax lo or Isc or It lt Imax or Ci Ccable La or Lo Li Lcable Po lt Pi Dust tight conduit seal must be used when installed in Class II and Class lll 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 ANSI ISA 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 equipment 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 AM SW AM WI AP I WI GP I WI RT I WI TC I and WI SI S MUST be installed to a bonded process 10 Accutech WI Al WI AV has an internal g
6. 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 900 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 Adaptive Instruments Corp reserves the right to update or change this user guide at anytime For the most recent version of the user guide please check our website www accutechinstruments com Adaptive Instruments Corp 2005 Printed in the USA Rev 0505 I 0505 5 18 2005 pdated Output cover Entity Drawing Accutech A Division of Adaptive Instruments Corp 577 Main Street Hudson MA 01749 USA TEL 800 879 6576 978 568 0500 FAX 978 568 9085 Email support accutechinstruments com Web www accutechinstruments com Table of Contents Section 1 Introduction 1 1 Using This Manual 1 2 About the Device 1 3 Unpacking 1 4 Software Compatibility Section 2 In a Hurry Section 3 Installation 3 1 Mechanical Installation 3 1 1 Field Unit Positioning 3 1 2 Simple RF Placement Procedure Section
7. F to 185 F 40 C to 85 C display with reduced visibility Physical Characteristics e Brass and Cast Aluminum Base e Optional Stainless Steel and Baked Enamel Base GE Lexan Cover 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 e Certified to withstand 6 g s 15 minutes per Axis from 9 500 Hz Electromagnetic Compatibility CE Compliance e Operates within specification in fields from 80 to 1 000 MHz with Field strengths to 30 V m Meets EN 50082 1 general immunity standard and EN 55011 compatibility emissions standard Industrial Certification e Rated for industrial use 40 F to 185 F 40 C to 85 C e FM NEMA 4 weather proof housing FM rated intrinsically safe for Class VIAMI Division 1 Groups A B C D E F amp G Class I II Division 2 Groups A B C D F amp G Rev 0505 19 Accutech Wireless Acoustic Monitor Field Unit User Manual am mt gat E Dimensioned Mechanical Drawing 20 Rev 0505 822 CL 4110 pq FM APPROVED INTRINSICALLY SAFE INSTALLATION CONTROL DRAWING HAZARDOUS CLASSIFIED LOCATION UNCLASSIFIED LOCATION Class Zone 0 Group IIC Class Division 1 Groups A B C and D Class II Division 1 Groups E F and G
8. SYNC message displayed on the Field Unit LCD This means that the Field Unit and Base Radio are attempting to synchronize communications If this is successful the RF Status will display an RF OK message If this is unsuccessful the RF Status will display a NO RF message Also notice the two small arrows on either side of the LCD if they are fluctuating up and down that indicates the Field Unit and Base Radio are successfully communicating If only one or none of the arrows are moving then RF communication is unsuccessful Rev 0505 11 Section 6 Configuring the Sampling and Transmission Rates The Acoustic Monitor Field Unit is very versatile with many programma ble features and can be used in numerous different applications Because no two applications are the same some configuration is required for each unit This section will walk you through the initial configuration of 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 Selecting the Normal Upper and Lower Values 6 6 Selecting Rates Thresholds and Deadbands via the Software 6 1 Selecting the Normal The Field Unit is in sleep mode to save power during the operations sequence This mode turns off most of the electronics on the unit with the Transmission Rate exception
9. Section 3 Installation 3 1 2 A Simple RF Placement Pro Remember proper placement of the Field Unit will optimize your RF cedure communication range and capabilities Perhaps the best test to perform before mechanically mounting the unit is a quick hand held test To perform this test you should have a good idea of where the Base Radio will be placed for more information see Section 3 of the Base Radio User Manual Put the Base Radio in this area and power it up 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 number of Field Units with which the Base Radio is communicating See the Base Radio User Manual Section 4 3 Once both the Base Radio and Field Unit are set up to be on the same net work make sure communication 15 established by looking at the Field Unit LCD for the message in the Read Only Sequence see Sec tion 4 1 1 After communication has been established the Field Unit should be placed in RSSI Diagnostic mode to determine the signal strength at the location of the equipment to be monitored Placing the Field Unit in this mode 15 explained in the following section 3 1 2 1 Field Unit RSSI Diagnostic The Received Signal Strength Indicator RSSI located in the Field Unit s diagnostic menu displays the RF signal strength in one of seven ranges The signal strength is displayed on the LCD using a combination of g
10. enter the configuration menu See Section 9 2 of the Wireless Instrumentation Manager User Manual Once in the configura tion menu click on the General tab to bring up the general information as shown in Figure 4 6 General Monitored Equipment Field Unit Password 0000 Units 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 i ia c tered click OK to save and download the password to the Field Unit Ultrasound Counts 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 Figure 4 6 Password Setting Using Wireless user accounts see the Wireless Instrumentation Manager User Manual Instrumentation Manager Section 8 4 4 5 Resetting All Field Unit 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 Settings Once at the default menu option pressing the ENTER button will display RESET on the LCD which asks if the user is sure he or she wants to reset the device to its default configuration The user will then
11. 0505 17 Section 7 Maintaining the Field Unit The Field Unit is extremely easy to maintain in that it requires no periodic calibration or system checks The Field Unit has a self diagnostic which 15 constantly checking the internal system If any errors are found they are reported via the LCD Base Radio or the software A simple yearly visual inspection for the following 15 all that is needed e Is the Field Unit still securely fastened to the equipment be ing monitored e Are there any visible corrosions cracks or residue build ups on the unit e Has anything about the application changed from the original intended use 7 1 Changing the Battery The battery will need to be changed within one month of seeing a LOW BAT message on either the Field Unit or in WIM This 15 a simple proc ess A Warning A 1 Make sure you have the correct replacement battery Explosions may result in death or serious injury ae instrument cover open wir Accutech model WI BAT ing housing in explosive atmospheres when power TADIRAN Lithium Inorganic Battery non rechargeable and communications are on Instead remove the Size C 3 6Volts Field Unit from the hazardous location and then 4TL2200 S proceed to open the instrument cover and replace the battery 2 Power down the Field Unit by pressing and holding both the NEXT and ENTER buttons for a few seconds and then entering the pass word 3 Remove the 4 s
12. 4 General Configuration 4 1 Field Unit Displayed Messages 4 1 1 The Read Only Sequence 4 2 Overall Configuration Menu Map 4 3 Setting the Field Unit Tag Name 4 4 Setting a User Password 4 5 Resetting All Field Unit Settings Section 5 Configuring the RF Communications 5 1 RF Channel Selection 5 2 RF Baud Rate Selection 5 3 RF Identification Selection Section 6 Configuring the Sampling and Transmission Rates_ 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 Selecting the Normal Upper and Lower Values 6 6 Selecting Rates Thresholds and Deadbands via the Software Section 7 Maintaining the Field Unit 7 1 Changing the Battery Section 8 Technical Specifications Dimensioned Mechanical Drawing Intrinsic Safety Control Drawing Appendix A Navigating the Menus Appendix B Displayed Message Definitions Appendix C Field Unit Menu Map Rev 0505 A E Table of Figures 3 1 Example of Incorrect Field Unit Positioning eeeeseeeeeeee 4 Mem RS SSENOQS 5 4 1 Field Unit Power UP and Operations LCD Sequence 7 422 The 7 4 3 Overall Configuration Menu 8 AA Menu Map to Tas Name SCS AES 8 4 5 Menu Map to Pas
13. Field Unit Positioning In this section mechanical installation instructions are discussed for the various setup capabilities of the Acoustic Monitor Field Unit The subsec tions are as follows 3 1 1 Field Unit Positioning 3 1 2 A Simple RF Placement Procedure The Accutech Acoustic Monitor Field Unit is a rugged device but it pro vides much better performance if installed with careful consideration as noted in this manual It may be utilized in any ultrasound measurement service so long as care is exercised to prevent exposing the sensing ele ments to excess stress or temperature Installation practices have a lot to do with these service parameters and the life that you can expect from your Accutech Acoustic Monitor Field Unit The main considerations for installation are covered below Give careful consideration to the environment where you will be installing your instrument Avoid installations that expose the device to excess tem perature high vibration considerable shock or exposure to dripping con densate or corrosive materials Also avoid installing the device in an un serviceable location Most often these problems can be avoided with some thought at the time of installation The practices noted below are generally recommended but they can only act as a guideline and cannot cover all possible variations The final installation must be made at the discretion and approval of the user You must be the judge of the
14. S Input input WI RT E CO RTD RTD EXC EXC SW1 Sw1 WI GP S WI AP S Pressure Pressure Bridge Bridge Input Input Pressure Sensor Pressure Sensor WI TC S WI TC E TIC 1 T C 1 Input Input Input Input WI AI WI AI E 4 20mA 4 20mA 4 20 4 20mA Input Input Input Input Dual 4 20mA CH1 CH1 CH2 CH2 SW1 ow1 SW2 SW2 WI AV WI AV E 0 10V 0 10V 0 10V 0 10V Input Input Input Input Dual 0 10 CHi CH1 CH2 CH2 SW1 Swi SW2 SW2 1 Dual Switch Input SW1 Sw1 Twisted Pair1 Pair 1 Twisted Pair3 Pair 3 Twisted Pair2 Pair 2 NEUE NT RED BLK RED BLK RED BLK TEN TAIN TY Yd SIG1 SIG1 EXC EXC ISW1 iSW1 RTD Temperature Twisted Pair 1 Twisted Pair 3 Twisted Pair 4 Twisted Pair 2 NM WI GP N WI AP N WOGPNTyz o WI AP NT yy z SENSE ISW1 ISW Twisted Pair1 Twisted Pair4 Twisted Pair 2 Twisted Pair 3 BLK RED BLK RED RED BLK RED BLK SIG1 SIG1 5162 5162 ISW1 ISWT1 ISW2 ISW2 Twisted Pair TwistedPair4 TwistedPair2 Twisted Pair 3 WI AI N WI AV N oe RED BLK RED BLK RED Al NT yy z SIG2 SIG2 ISW1 ISW1 ISW2 WI AV NT yy z Twisted Pair o e CO RT N CO EXIST 9161 SIG1 Twisted Pair 1 Twisted Pair 3 Twisted Pair 2 pd ney WI AP S xxHAL PRES PRES EXC EXC SENSE SENSE Pressure Sensor OUT aS S Twisted Pair 1 Twisted Pair 2 SE ues ISW1 IS
15. Transmission Rate Setting Using Wireless Instrumentation Manager 14 The Abnormal Transmission Rate is identical to the Normal Transmis sion Rate with one exception The Abnormal Transmission Rate only ap plies while the Field Unit is in an Abnormal condition see Setting Normal Upper and Lower Values section 6 5 This allows you to increase or de crease the frequency of information you receive depending on the operat ing conditions of the device being monitored In order to properly set the Abnormal Transmission Rate you must first determine how often the Field Unit needs to update its data about the de vice being monitored while in an Abnormal condition You have a select able range of 1 10 15 20 40 seconds and 1 minute Figure 6 5 15 an ex ample of how the device switches transmission rates from Normal Trans mission Rate to Abnormal Transmission Rate Note how the first abnor mal transmission is sent immediately when the Normal Upper Value set point is exceeded The next transmission will then follow this immediate transmission by 10 seconds or whatever the Abnormal Transmission Rate is set to The transmissions will continue at this interval until the process value drops below the Normal Upper Value set point Once the process value drops below this set point another transmission 1s made to the Base Radio The transmissions will then be made at the Nor mal Transmission Rate of one minute or wh
16. actual installation Dimensioned mechanical drawings for aid in mechanical installation are located in Section 8 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 in an upward fashion The bottom of the Field Unit should NOT point directly at the Base Radio and the Field Unit LCD should point away from the Base Radio e All Field Units should maintain an approximate spacing of at least one foot apart from one another e The line of sight range between a Field Unit and Base Radio is 2000 feet at the 19 2K baud rate setting Note that this range is reduced by the amount of RF noise present obstruc tions 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 C Figure 3 1 shown to the left gives examples of incorrect setups according to the previously mentioned parameters 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 RF Placement Test section will help you to determine if you have selected the correct installation points and orientations for your application Rev 0505
17. of the LCD in order to preserve battery life The Field Unit will then wake up every Normal Sampling Period and take the necessary current voltage readings The Field Unit will then transmit these readings to the Base Radio on an interval determined by the Normal Transmission Rate Notice that the fastest update rate of the Normal Transmission Rate 15 de pendent on the baud rate setting you selected earlier see section 5 2 The transmission rates cannot update data faster than their communication speed allows Thus if you selected the 19 2K Baud Rate setting your fast est transmission rate will be 5 seconds and no faster The Field Unit auto matically determines these settings and adjusts the menu options accord ingly A complete table of these parameters 1s shown in the table in the following section In order to properly set the Normal Transmission Rate you must first de termine how often you need updates from the Field Unit when the device being monitored 15 operating within what you consider to be normal oper ating conditions for that process variable You have a selectable range of 1 5 10 15 20 40 seconds and 1 minute Then follow the menu map shown in Figure 6 1 to configure the Normal Transmission Rate The fac tory default is 10 seconds p 1 OPERATIONS SEQUENCE NEXT USER PROMPTED FOR PASSWORD SETTAG Default of 10 Seconds NEXT SAMPLING NO
18. on these fluctuations While the ideal signal integrity is seven arrows the suggested fluctuating arrow ranges for the different RF Baud Rate settings are listed below e 4 8K Baud between 1 and 4 arrows e 192K Baud between 2 and 5 arrows e 76 8K Baud between 3 and 6 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 Ra dio 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 on page 7 Once in the Operations Sequence you will notice small arrows on the rightmost and leftmost regions of the LCD These arrows indicate the sending and receiving of messages between the Base Radio and the Field Unit If both arrows are moving up and down and you do not see a NO RF message then the position you have selected will be suitable for mounting the device If only one or neither of the arrows is moving and you see a NO RF mes sage then you do not have satisfactory RF communication with the Base Radio If your application allows move the Field Unit to a different posi tion 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 see note One final solution is to reposition the Base Radio However this may af fect communi
19. to select the Abnormal Sampling Rate using the Wireless Instrumentation Manager software can be found in section 6 6 Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A 15 Rev 0505 Accutech Wireless Acoustic Monitor Field Unit User Manual 6 5 Selecting the Normal Up per and Lower Values Input Volts 10 Hamal Lower Vaud sel 2 5 Volts Normal sad to 6 5 Volts S Abnormal Condibon an Normal Condition Time min sec Albrnccrkal 3 4 Figure 6 9 Normal Upper and Lower Value Example Input Volts Abnormal Abnocemal 1 00 2 00 3 00 Time min sec Figure 6 11 Condition Chatter Without Time Deadband Input Volts 10 8 Normal Uppe set to 7 5 Volts Normal Condition 0 1 00 2 00 3 00 Time min sec Figure 6 12 Condition Chatter Elimina tion Due to Time Deadband Using Wireless Instrumentation Manager 0 1 01 00 3 00 Each Accutech Field Unit is equipped with an input level upper and lower value As the input is measured it is compared to a set threshold value Depending upon the setting of that value whether it is enabled or not and what the time deadband 15 the Field Unit will enter an Abnormal condi tion as seen in Figure 6 9 The Normal Upper Value would be an indication that the analog input is high and th
20. F CHAN setting equal to the Base Radio s RF Channel Set the BAUD RT setting equal to the Base Radio s Baud Rate Set the RF ID number to be a unique value between 1 and 50 Select normal transmission rate Select normal sampling rate Select abnormal transmission rate Select abnormal sampling rate Set normal upper and lower values Select engineering measurement units If the OFF message 15 being displayed on the Field Unit LCD form the following Set the RF CHAN setting equal to the Base Radio s RF Channel If a RF message 15 being displayed on the Field Unit LCD check the following e Is the Field Unit set to the above listed settings e Is the Base Radio on e the Field Unit and Base Radio settings match See Sec tion 5 of Field Unit and Base Radio User Guides e Are the Base Radio and Field Units unable to communicate due to obstructions or distance See Field Unit Manual Field Unit Placement section e Did you perform the Simple RF Placement Procedure See Field Unit Guide A Simple RF Placement Procedure sec tion Rev 0505 Section 3 Installation 3 1 Mechanical Installation A 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 Base Radio 3 1 1 Field Unit Positioning Figure 3 1 Examples of Incorrect
21. 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 Input Volts 10 Abnormal Condition Abnormal Sample Normal Upper Value Normal Sampling Rate of 15 Sec Abnormal Sampling Rate of 5 Sec Normal Upper Value of 2 5 Figure 6 7 Example of Abnormal Sampling Rate Setting Using Wireless Instrumentation Manager Section 6 Configuring the Sampling and Transmission Rates The Abnormal Sampling Rate 15 identical to the Normal Sampling Rate with one exception The Abnormal Sampling Rate only applies while the Field Unit is in an Abnormal condition see Setting Normal Upper and Lower Values section 6 5 This allows you to increase or decrease the frequency of information you receive depending on the operating condi tions of the device being monitored In order to properly set the Abnormal Sampling Rate you must first deter mine how often the Field Unit needs to update its data while in an Abnor mal condition You have a selectable range of 1 10 15 20 40 seconds and minute Figure 6 7 is an example of how the device switches sam pling methods from Normal Sampling Rates to Abnormal Sampling Rates Note how the first abnormal sample 15 taken a few seconds afte
22. RF Communications Each Field Unit is identified by the Base Radio and software according to the RF Identification ID given to that particular unit Two Field Units CANNOT have the same 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 Op erations Sequence pressing the ENTER button displays the Read Only Sequence on the LCD which displays the ID of that unit like this ID 3 All Field Units in your system are set to a default 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 ID s 0 0 and 0 You must set these units to three different IDs between 1 and 50 The Field Units in this example could be set to RF IDs 1 2 and 3 First determine the 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 de fault is RF ID 0 which disables the RF communication of the unit enreR RF CHAN NEXT NEXT ENT ID RED 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 save and 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 1s in the Operations Se quence for the Read Only Sequence to be displayed You may see an RF
23. RM XR Fenters 1 5 10 SEC 15 SEC 20 SEC 40 SEC 1 MIN Figure 6 1 Menu Map to Normal Transmission Rate Setting Using Wireless Instrumentation Manager If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit de tects that the software 1s being used See Appendix A for more details An explanation of how to select the Normal Transmission Rate using the Wireless Instrumentation Manager software can be found in section 6 6 Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A 12 Rev 0505 Section 6 Configuring the Sampling and Transmission Rates 6 2 Selecting the Normal As previously mentioned the Field Unit is in sleep mode to save power during operations sequence This mode turns off most of the electron Sampling Rate ics 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 Pe riod and take the necessary current voltage readings Notice that the minimum speed of the Normal Sampling Rate is dependent on the Normal Transmission Rate setting you selected earlier see section 6 1 The Sampling Rates cannot be set to a slower time interval than the time interval at which the Field Unit is required to transmit updates Thus if you set the Normal Transmit Rate setting to be 10 Seconds the Normal Sampling Rate m
24. atever the Normal Transmis sion Rate is set to 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 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 Once you have decided the proper time for the Abnormal Transmission Rate follow the Field Unit menu map shown in Figure 6 6 1 OPERATIONS SEQUENCE I NEXT emus mur sen Pa ES ads Sw Gand Gd ENTER v USER PROMPTED FOR PASSWORD ENTER NEXT NEXT Default of 5 Second CABRIEXR evres 1 10 SEC 15 SEC 20 SEC 40 SEC 1 MIN Figure 6 6 Menu Map to Abnormal Transmission Rate Setting If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit de tects that the software 1s being used See Appendix A for more details An explanation of how to select the Abnormal Transmission Rate using the Wireless Instrumentation Manager software can be found in section 6 6 Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A Rev 0505 6 4 Selecting the Abnormal sampling Rate
25. 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 the user presses the ENTER button while YES is being displayed the device will be reset Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A Rev 0505 9 Section 5 Configuring the RF Communications A Caution A In order for the Field Unit and the Base Radio to communicate they must m be on the same RF Channel and must be transmitting at the same Baud Be ese Rate While all Field Units and Base Radios are set to default configura 30 minutes the Field Units should also be turned f he f f diff he B off to preserve battery life Leaving the Field tions at t e factory 11 any con iguration lifferences are present t e Base Units on when the Base Radio is not energized or Radio will not be able to communicate with the Field Units The subsec out of range will cause the Field Units to transmit tions are as follows very frequently and drastically reduces their bat 5 1 RF Channel Setup tery life 5 2 Baud Rate Setup 5 3 RF Identification Setup 5 1 RF Channel Selection All Base Radios and Field Units can be set to one of 16 different commu nication channels The only Field Units recognized by a particular Base Radio are the units that are on the same RF Channel as t
26. cations 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 Rev 0505 Section 4 General Configuration 4 1 Field Unit Displayed Messages During configuration and testing keep Field Units at least one foot apart and away from the Base Radio 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 the Field Unit Tag Name 4 4 Setting a User Password 4 5 Resetting All Field Unit Settings To turn the Field Unit on press both the NEXT and ENTER buttons and hold them 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 RF ERR SEN ERR LOW BAT DISPLAY MESSAGES ARE ONLY CHANGEABLE THROUGH WIRELESS INSTRUMENTATION MANAGER NO LOW TP Figure 4 1 Field Unit Power Up and Operations LCD Sequences Once the Field Unit is in the Operations Sequence a user may access the READ ONLY Sequence without a password by simply pressing the ENTER button at any time The Read Only Seque
27. cting this value do not choose an RF Channel that 15 currently being used by other Accutech Wireless Systems as this can cause communication problems 5 2 Baud Rate Selection The RF Baud Rate refers to the speed at which the Base Radio and Field Units communicate There are three selectable settings with the fastest update times and ranges listed below e 48K Rate of 4 8 Kbaud Update every 20 seconds Range of 3000ft Line of Sight 192K Rate of 19 2 Kbaud Update every 5 seconds Range of 2000ft to 2500ft Line 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 If you change the baud rate of a Field Unit you need more distance out of your Field Units or are encountering difficulties must also change the baud rate of the Base Radio by frequently losing communications then select a slower baud rate and all other Field Units that are communicating with that Base Radio to match 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 PASSWORD Default of 19 2K NEXT BAUDRT JeENTER gt 4 8K 19 2K 76 8K Figure 5 2 Menu Map to Baud Rate Setting 10 Rev 0505 5 3 RF Identification Selection Section 5 Configuring the
28. e Normal Lower Value would be an indication that analog input is low Thus the normal operating condition for the input applica tion would be found in between the two Normal Values To configure the values follow the Field Unit menu map shown in Figure 6 10 OPERATION JUENCE of CONFIG G y USER PROMPTED FOR PASSWORD 1 SET RE NEKT PWT T NEXT SF AG T NEXT EAR Jenter 44 NORM XR NORU ER NEXT SR NEXT ENABLED Mma ENTER VAL ENT SEC NEXT NORM UV EN DIS XX leve uu E Defaults of Disahlea 7 EN DIS ENABLED VAL V n 4 XXX XX E EXIT a t pesa ED t ENT VAL LSMART RJ eren XXX XX NEXT M Figure 6 10 Menu Map to Normal Upper and Lower Value Settings When configuring the Normal Values you will first be prompted to enable the input You should only disable an input if it will not be used Once an input has been enabled the user may enter a Normal Upper Value Normal Lower Value and the Smart Rate Threshold see Section 6 5 If for example the Normal Upper Value 15 enabled the next prompt you will receive is XX XX for the process variable value Increment this value to the desired value and press the ENTER button The may be toggled on and off as well The final prom
29. econds tory default is 1 second Figure 6 3 Correct Sampling Rate OPERATIONS SEQUENCE NEXT CONFIG ENTER uc Rd Using Wireless Instrumentation Manager cafe SETPWD If you have the Wireless Instrumentation Manager software this menu SETTAG option will not be accessible via the Field Unit once the Field Unit de m tects that the software 1s being used See Appendix A for more details 5 Levens 1 10980 18 SEC 20 SEC 30 SEC An explanation of how to select the Normal Sampling Rate using the Figure 6 4 Menu Map to Normal Wireless Instrumentation Manager software can be found in section 6 6 Sampling Rate Setting Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A Rev 0505 13 Accutech Wireless Acoustic Monitor Field Unit User Manual 6 3 Selecting the Abnormal Transmission 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 Abnormal Condition Abnormal Transmission Transmission Normal Transmit Rate of 1 Min Abnormal Transmit Rate of 10 Sec Normal Upper Value of 2 5 Figure 6 5 Example of Abnormal
30. ed to enter an in correct setting Figure 6 13 Sampling and Transmission Rate Selection Using the Software If you have the Wireless Instrumentation Manager software the Normal and Normal Upper and Lower Value menu options will not be accessible aiiis AE via the Field Unit once the Field Unit detects that the software 15 being used See Appendix A for more details These settings should be entered using the Wireless Instrumentation Manager software To do so enter the om uet dl configuration menu See Section 9 2 of the Wireless Instrumentation Man Time Deadband 5 0 econds ager User Manual Once in the configuration menu click on the Sampling Muse Bands tab to bring up the sampling band information as shown in Figure Value 95 0 JE 6 14 Time Deadband 0 0 Seconds O M To set a limit to the normal condition enable the limit by clicking on the ae Use Input X Limit check box Then enter the value and time deadband Ultrasound Limit for the limit for more details see Section 6 5 of this manual Use Temperature 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 Figure 6 14 Normal Upper and Lower Value Selection Using the Software Rev
31. et screws on the sides of the Field Unit housing with a standard screwdriver 4 Remove the housing and locate the battery Warning When remov ing the housing do not twist or bend the green flex cable Doing so may cause the tether to improperly seat next to the antenna and greatly reduce operable RF distances Do not allow the housing to flop around while hanging by the tether 5 Remove the old battery and replace it with the new battery positive end first Note that the positive end of the battery clip 1s the end with the red wire 6 Replace the housing and screw the housing back on Power up the unit by pressing and holding both the NEXT and ENTER buttons for a few seconds 7 Properly dispose of the used battery 18 Rev 0505 Section 8 Technical Specifications Acoustic Transducer Characteristics e Center Frequency 40 0 3 0 kHz e Bandwidth 6 dB 2 0kHz Output Characteristics e Amplitude is indicated by a display reading from 0 to 255 RF Characteristics 902 MHz 928 MHz Frequency Hopping Spread Spectrum FCC certified ISM li cense free band e Up to 3000 range from Base Radio with clear line of sight e The RF module in each field unit is individually tested and calibrated over the full temperature range to ensure reliable wireless operation Operating Temperature Range e 40 F to 185 F 40 C to 85 C electronics 4 F to 158 F 20 C to 70 C display full visibility e 40
32. hat Base Radio This allows the user to decide which Field Units communicate with each Base Radio RP denne serol Bomani Each Field Unit comes from the factory set to the RF OFF channel This which communication takes place between the means the Field Unit will not communicate to any Base Radio To set the Base Radio and the Field Unit Each RF Channel Field Unit for communication first determine the channel that you wish to use Then follow the Field Unit menu map shown below Figure 5 1 to the user to have multiple different wireless net f the RF Ch works co existing throughout the same facility coniigure annel HP OPERATIONS SEQUENCE CONFIG The RF Channel can be thought of as a set of l walkie talkies If both walkie talkies are on chan nel one they can communicate If a walkie talkie 15 on channel one and the other 15 on channel two they cannot communicate Likewise if two ENTER RF CHAN RF CHT6 Default of RF OFF walkie talkies are on channel one and two other walkie talkies are on channel two the walkie Figure 5 1 Menu Map to RF Channel Setting talkies on channel one cannot hear what is being transmitted by the walkie talkies on channel two pe unm um um T UND UND 1 USER PROMPTED FOR PASSWORD Once you are in the RF Channel menu you can increment it by pressing the next button When sele
33. ill then be downloaded 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 Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A Rev 0505 Section 4 General Configuration 4 4 Setting a User Password Each Field Unit has a password that will lock out undesired users from making changes to the Base Radio 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 1s 0000 If you wish to select a different password follow the Field Unit Menu Map shown in Figure 4 5 to change it OPERATIONS SEQUENCE CONFIG E E 2 ENTER ery F 1 USER PROMPTED FOR Acoustic Monitor Properties 9 17 i General Range Sampling Rates Sampling Bands Alarms ENTER XXXX Default of 0000 Description Location Figure 4 5 Menu Map to Password Setting Date Installed Pelle If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit detects that the software is being used See Appendix A for more details The password should be entered using the Wireless Instrumentation Manager software To do so
34. 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 15 to help you install and maintain your Ac cutech Acoustic Monitor 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 on your shipment please call your Accutech Rep resentative Upon receipt of shipment inspect the container for any signs of damage in transit Especially take note of any evidence of rough han dling 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 15 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 phone Please note that the carrier will not honor any claims fo
35. ld Unit and Base Radio are attempting to synchronize communications RFOFF Field Unit s RF Channel is set to RF OFF RF Field Unit and Base Radio have no communications e Input Level XXX XX Currently measured Ultrasound Input level XX XX C Currently measured Temperature 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 e NORF can not detect Base Radio 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 e 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 100 range of the Analog Input sensor If the measurement goes above 15090 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
36. nce 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 P we we we OPERATIONS SEQUENCE JURE DISPLAY MESSAGES ARE ONLY CHANGEABLE THROUGH WIRELESS INSTRUMENTATION MANAGER NO HIGH UL LOW UL HIGH TP LOW TP SEN ERR LOW BAT NO RF 4 2 The Read Only Sequence Rev 0505 7 Accutech Wireless Acoustic Monitor 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 gm mA pe omm ms mm um m mm SETTE XEXEXEXE PENTERH XXXEXEXX ENTER Figure 4 4 Menu Map to Tag Name Using Wireless Instrumentation Manager MUXXXXXXX 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 OPERATIONS SEQUENCE MEXT NEXT CONFIG DIAGNSE FACTORY NEXT amp EXIT ENTER USER PROMPTED FOR PASSWORD UF Y SET RF NEXT SET PWD NEXT
37. on Using the Software 17 Dimensioned Mechanical Drawing hetero one dne race 20 Intrinsic Safety Control Drawing esses enne 21 IV Rev 0505 Section 1 Introduction 1 1 USING THIS MANUAL This manual is designed to assist in installing operating and maintaining Accutech Model WI AM Acoustic Monitor Field Units The manual is broken into sections as follows Section 2 In a Hurry 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 Section 3 Installation This section explains mechanical installation considerations such as Field Unit placement and Field Unit Mounting Section 4 General Configuration In this section general configuration options such as password protection and selecting a user password are discussed Also covered is the setting of a Field Unit tag name resetting of all Field Unit settings and a discussion of the various messages that are displayed on the Field Unit LCD 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 Thi
38. pt you will receive is the Time Deadband prompt The Time Deadband refers to the number of seconds that the measured reading must stay in a certain condition before the Field Unit will actually switch to that condition To select a proper Time Deadband consider the example in Figure 6 11 Notice that the Field Unit continues to cycle from Normal to Abnormal Conditions due to the fact that the input value is fluctuating around the 7 5 Volt Normal Upper Value This is undesired The addition of a few second delay before the Field Unit switches conditions will elimi nate this chatter as seen in Figure 6 12 If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit de tects that the software 1s being used See Appendix A for more details An explanation of how to select the Abnormal Sampling Rate using the Wireless Instrumentation Manager software can be found in section 6 6 Indicates that Menu is Disabled if Wireless Instrumentation Manager is detected See Appendix A 16 Rev 0505 Section 6 Configuring the Sampling and Transmission Rates 6 6 Selecting Rates If you have the Wireless Instrumentation Manager software the Normal and Abnormal Sampling and Transmission menu options will not be ac Thresholds and Dead cessible via the Field Unit once the Field Unit detects that the software is bands via the Software being used See Appendix A for more details
39. r damage unless all shipping materials are saved for their examination If damage 15 found during examining and removal of the contents save the packing material and the carton Software for Accutech is 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 56 126 or later must be used If you believe you are experi encing software compatibility issues please call Accutech Technical Sup port at 978 568 0500 or email wireless adaptiveinstruments com Rev 0505 Section 2 In a Hurry Caution A If the Base Radio is not energized for more than 30 minutes the Field Units should also be turned off to preserve battery life Leaving the Field Units on when the Base Radio is not energized or out of range will cause the Field Units to transmit very frequently and drastically reduces their bat tery life 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 0 1 Place the Field Unit in the desired location of operation Turn on the Field Unit by pressing ENTER and NEXT buttons simul taneously and holding until unit powers up Set the R
40. r the Nor mal Upper Value set point is exceeded The next sample will then follow this sample by 5 seconds or whatever the Abnormal Sampling Rate 15 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 15 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 15 de tected This means that the transmission could be as late as 29 seconds after the process variable exceeded the Normal Upper Value Once you have decided the proper time for the Abnormal Sampling Rate follow the Field Unit menu map shown in Figure 6 8 1 ENTER v m A USER PROMPTED FOR PASSWORD Default of 1 Second NEXT SR JENTER 1 10 SEC 15 SEC 20 SEC 30 SEC Figure 6 8 Menu Map to Abnormal Sampling Rate Setting If you have the Wireless Instrumentation Manager software this menu option will not be accessible via the Field Unit once the Field Unit de tects that the software 1s being used See Appendix A for more details An explanation of how
41. range of the device 1s 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 RFERR fatal error within RF communications e SEN ERR fatal error within the sensor electronics e SYSERR fatal error within the microprocessor system e RFCAL fatal error within the RF calibration system Rev 0405 Appendix C Field Unit Menu Map ENTER lgse c RET 7 USER TED FOR us t Uu IR Note If a menu is left READ ONLY aM i 3 ORD 55 unchanged for 30 secands then the Field Unit will return to the Operations Sequence NEXT ENTER NEXT L7 T8 2K NEXT Default of 19 2K NEXT ENTER Default of 000 NEXT NEXT Note The Baud Rate determines the maximum speed of the Transmission Rates and the Transmission Rates determine the minimum speed of the Sample Rates If a user enters a value that is not within these bounds the value of entered bound will be changed automatically to allow proper operation Default of 10 Default of 1 ENTER 0 3600 SEC DISABLED of Disabled Default of 0 0 300 SEC Default of 0 Rev 0505 25 ABOUT US Accutech a division of Adaptive Instruments Corp is a lead ing edge technology driven developer manufacturer and supplier of embedded microprocessor based electronic
42. round screw mounted in the enclosure and must be connected to 15 ground 11 All conduit connections must be sealed within 18 per NEMA 4 Standards for models WI xx N WI xx NT CO xx N and CO xx NT amp Ww oon CERTIFICATION DOCUMENT NO CHANGES PERMITTED WITHOUT PRIOR FM APPROVAL This drawing and specifications herein are the JC 10 24 03 Adaptive Instruments Corp proprietary property of ADAPTIVE INSTRUMENTS Checked By Date and shall not be reproduced in whole or in part as the 10 24 03 TITLE 1 5 Installation Control Drawing Wireless Sensors basis for manufacture or sale without prior written Released Ey Dale Scale Sre Drawing PCN 10 24 03 Fd 6023 520 permission from Adaptive Instruments Rev 0505 21 Accutech Wireless Acoustic Monitor Field Unit User Manual MODEL SENSOR CONNECTIONS INPUT CONNECTIONS WI AM SW AM Integral Sensor no external connections Integral Sensor no external connections Acoustic Monitor WFGP l W AP Integral Sensor no external connections Integral Sensor no external connections Pressure Sensor Wes HONTE CONDE Sensor no external connections Sensor no external connections RID Temi perature Integral Sensor no external connections Integral no external connections J1 Sensor J3 dasa Board sit Switches cin ec cre asw asw WI RT S CO RT
43. s Based in Hudson Massachusetts Accutech is the most suc cessful leading independent producer of wireless instrumen tation on the market today Accutech customers include large national companies in the oil and gas chemicals pharmaceutical food and beverage primary materials processing and energy industries In addi tion to the wireless product line Accutech also offers a tradi tional 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 instrumenta tion that makes business sense The result is a product range that is rugged secure and reliable and works in even the most hazardous environments We give companies the tools to reduce costs save time enhance safety improve environ mental performance and cut waste The next industrial revolution is right now Let Accutech show you how to realize gains in operating efficiency Visit us at www accutechinstruments com Or call us at 1 800 879 6576 Specifications subject to change without notice Printed in USA Copyright 2005 Adaptive Instruments Corp A Division of Adaptive Instruments Corp 577 Main Street Hudson 01749 U S A TEL 800 879 6576 978 568 0500 mo v FAX 978 568 9085 Wireless Email support Qaccutechinstruments i WWW accutechinstruments
44. s 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 15 within the abnormal region Section 7 Maintaining the Field Unit This section explains how the Field Unit should be cared for once it has been placed into service Changing the battery 1s also covered in this sec tion Section 8 Technical Specifications This section explains the technical specifications that are associated with this device such as power characteristics accuracy and operating charac teristics Rev 0505 Accutech Wireless Acoustic Monitor Field Unit User Manual 1 2 ABOUT THE DEVICE 1 3 UNPACKING 1 4 SOFTWARE COMPATABILITY The Accutech Acoustic Monitor Field Unit is a reliable Radio Frequency RF transceiver coupled with an ultrasound sensor that can be used to monitor a variety of processes in hazardous and hard to reach areas The time and expense of running wires often makes it difficult to measure pa rameters that have an economic impact on your plant operation but the Acoustic Monitor 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 instrumentation investments The Field Units communicate
45. sing 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 1s blinking pressing ENTER will save the entered values and 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 15 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 Accutech Sales Representative Rev 0505 23 Appendix B 24 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 Field Unit and Base Radio are communicating properly RF SYNC Fie
46. sword 9 4 6 Password Setting Using Wireless Instrumentation Manager 9 5 47 Map to RF Channel Setn Toinen 10 5 2 Menu Map to Baud Rate Setting eeeeesssssssssssssssesseeeeeeen nnne 10 5 3 Menu Map to RF ID Seting qu cust 11 6 1 Menu to Normal Transmission Rate 12 6 2 Incorrect Sampling Rate bees eeeie eee ei weed a ANUS 13 OO a RE 13 6 4 Menu Map to Normal Sampling Rate 13 6 5 Example of Abnormal Transmission Rate 14 6 6 Menu Map to Abnormal Transmission Rate 14 6 7 Example of Abnormal Sampling Rate Setting 15 6 8 Menu to Abnormal Sampling Rate 15 6 9 Normal Upper and Lower Value 16 6 10 Menu Map to Normal Upper and Lower Value Settings 16 6 11 Condition Chatter Without Time 16 6 12 Condition Chatter Elimination Due to Time Deadband 16 6 13 Sampling and Transmission Rate Selection Using the Software 17 6 14 Normal Upper and Lower Value Selecti
47. t and characters Full signal strength is displayed as gt gt gt gt gt gt gt while minimum signal strength is displayed as If the field unit is not communicating with the Base Radio 1 e NO RF all under score characters will be displayed 2 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 15 shown below m 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 To place the Field Unit in RSSI Diagnostic mode follow the menu map shown below in Figure 3 2 Note that the RSSI menu is under the DI AGNSE menu and not the CONFIG menu CONFIG NExT NEXTM FACTORY J NExT EXIT ENTER Figure 3 2 Menu Map to RSSI Mode Rev 0505 5 Accutech Wireless Acoustic Monitor Field Unit User Manual 3 1 2 1 Continued While using slower baud rate increases communi cation distance it also requires more time to com plete a communications cycle This may not be suitable for your application Now that the Field Unit is in RSSI mode bring the Field Unit close to the equipment you wish to monitor Look at the LCD notice the gt will con stantly fluctuate One should estimate an average value based
48. ust be set to 10 Seconds or faster A complete table of these parameters is shown below Baud Rate 76 8K 192K Input communication range 500 750 feet 2000 2500 feet 3000 feet Pon fastest speed of updates 20 Seconds 10 8 Transmit Rates Greater Greater Greater Sampling Rates Rate or Less Rate or Less Rate or Less In order to properly set the Normal Sampling Rate first determine how often updates are needed from the Field Unit when the device being moni 6 Normal Sample Time min With a Normal tored is operating normally You have a selectable range of 1 30 seconds Sampling Rate of 30 Seconds Note however the more frequently the Field Unit wakes up to check the Figure 6 2 Incorrect Sampling Rate monitored device the faster you will use up the battery life of the Field Unit cue Figure 6 2 is an example of what happens when the Normal Sampling Rate is too slow for the device being sampled Notice how the rise in the volt age level falls between two normal samples and thus goes completely undetected 10 Figure 6 3 1s an example of what happens when the normal sampling rate is 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 0 1 00 2 00 Once you have decided on the proper Normal Sampling Rate follow the Time min With a Normal Field Unit menu map shown in Figure 6 4 to select this setting The fac Sampling Rate of 15 S
49. wi ISW2 ISW2 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 NOTICE This drawing and specifications herein are the Adaptive Instruments Corp proprietary property of ADAPTIVE INSTRUMENTS and shall not be reproduced in whole or in part as ME WI TC N WI TC NT WI TC NT yy z C Tem 1 5 Installation Control Drawing Wireless Sensors basis for manufacture or sale without prior NA permission from Adaptive Instruments cale Drawing NO es ping NA 6023 520 22 Rev 0505 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 1s 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 15 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 pres

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