Microwave Linear Intrusion Sensors “FMW
Contents
1. 5 1 2 An intruder crossing a detection zone causes changes of the electromagnetic field between Rx and Tx and of the Rx signal characteristics The input circuit passes through the amplifier and proceeds on the input of the microcontroller The filtered signal is compared with the value thresholds according to the algorithm If the signal value oversteps the thresholds Rx will generate an alarm breaking output contact of the relay Quantitative change of the signal depends on the height weight of a person place of sector crossing its relief and movement speed 5 1 3 Change of electromagnetic field distribution in the DZ can be caused not only by an intruder but other factors rain vibration of grass small animals electromagnetic interference swinging of branches gates entering the detection zone commensurable with an intruder movement Other reasons e g location of extensive constructions objects in the detection zone or near from it like as fences walls irregularities snow grass can influence on the level of Rx input signal In these cases because of big reflection and interference the detection zone configuration jumps Multi thresholds algorithm of the sensor operation permits to decrease the number of alarms provoked by interference Thats why it is necessary to observe the recommendations in the subsection 8 1 especially for the sector of the sensor mounting 5 2 Adjustment Control and Indication Parts 5 2 1 An alarm gene2. documents delivered with the sensors Nevertheless the main specifications are valid 7 SAFETY MEASURES 7 1 The current safety standards for the operation with electrical facilities with up to 1000 V voltage should be observed during mounting prevention and repair of the sensor 7 2 Cables should be laid terminated and connected to the sockets only when supply voltage is OFF 7 3 The maximum value of SHF energy flux average density at the distance of 1 m from the sensor does not exceed 1 micro W cm that satisfies the security standards for people who don t work with SHF 7 4 It is prohibited to mount and to maintain the sensor during lightning storm 7 5 The sensor can be mounted and repaired only by the technicians who learn special instructions and pass the examination on safety measures 8 MOUNTING PROCEDURE 8 1 Requirements for the preparation of the sector and the arrangement of Rx and Tx 8 1 1 The sector where Tx and Rx are located should meet the following requirements a The height of irregularities should not exceed 0 3m If irregularities of the sector surface from the plane exceed 0 3m the specifications of the sensor can worsen In this case the issue of the use of the sensor under these conditions 15 defined by the trial operation b The height of grass should not exceed 0 3m c The height of snow should not exceed 0 5m d The maximum incline of the sector is 45 e Single fixed objects e g post
3. of Tx and Rx Mounting in the Protected Perimeter Fig 8 1 Mounting Variant of Supports of Two Adjacent Sensors TxZ Tz1 Ex1 Ez Fig 8 2 8 2 3 The supports are mounted with concreting The recommended dimensions of the concrete layer are given in fig 6 1 The user can apply other variants of the sensor mounting for example guarding building wall according to the results of the trial operation As the guarding deforms the detection zone configuration the sensor operation depends on the exact place of its mounting 8 2 4 Lay the main cables on the fence or in the air according to the project of the security systems Mount the brackets on the supports for Rx and Tx The brackets of Rx and Tx for a sector should be adjusted The height of the brackets mounting when snow is absent is chosen according to fig 6 1 The wall brackets are mounted on the supports with two clamps see fig 6 1 8 2 5 Mount Tx and Rx on brackets with bolts 12 fig 6 1 ATTENTION The right orientation of Tx and Rx on the wall bracket drain port should be downward Pass the cable 8 in the corrugated tube 7 The installation of the corrugated tube 15 obligatory 8 2 6 Mount the junction boxes and supply units PSU if the project includes it In the case of the boxes Barrier and supply units PSU 24 0 7 using they will be mounted on the supports with the sensor units To pass the cable 8 in Barrier JB or PSU fig 6 1 p
4. sensor generates an alarm when An intruder crosses a detection zone perpendicularly to the axis at a speed of 0 1 10 m sec at his full height or bent with the minimum detection probability 0 98 RC signal is given on Tx influence of electromagnetic field on Rx for its masking not visible An alarm can be absent but the sensor is operable An alarm 15 generated by breaking the contacts of an individual point relay for the time 3 sec minimum This signal is sent from Rx by yellow and pink colored wires marked NC NC normally closed Note At a distance of 2 3m from the supports on which Tx and Rx are installed the probability of the intruder 5 detection who is bent crawls through is 98 3 5 The sensor generates a fault signal in the case The absence ofthe signal from Tx The absence of power supply or when the voltage drops below 9 V Failure of Rx or Tx A fault signal is generated constantly latching till the same is rectified and is indicated by break in the contacts of an individual point opt electronic relay indicated by yellow and pink colored wires marked NC 3 6 The dimensions of an individual point opt electronic relay are the maximum switching current is 0 1 A the maximum voltage is 50 V the maximum resistance is 130 Ohm in the closed status with the elements of storm protection 3 7 Removal opening of the back inspection cover of the Rx unit generates a temper alarm The conta
5. 213 213 70 Rx 3 Tx 3 FMW 3 1 211 135 75 Rx 3 1 Tx 3 1 FMW 3 2 120 110 60 Rx 3 2 Tx 3 2 3 15 Maximum weight of the units with a mounting kit kg FMW 3 1 2 Rx 3 1 2 Tx 3 FMW 3 1 1 0 Rx 3 1 1 0 Tx 3 1 FMW 3 2 0 4 Rx 3 2 0 4 Tx 3 2 4 SENSOR COMPONENTS The sensor delivery kit is 1 Receiver 1 item 2 Transmitter item 3 Mounting kit FMW MK FMW including Bracket 2 items Buckle 4 items 4 Kit of tools and accessories including Alarm cable Key S8 10 5 User manual 6 Package 7 Supply unit PSU24 0 7 and junction box are delivered on the customer demand Mounting kit for Tx Rx fastening on the wall is delivered on the customer demand 5 SENSOR STRUCTURE amp OPERATION S 1 Sensor Principle of Operation 5 1 1 The sensor is a bistatic microwave device The principle of the sensor operation is to generate an electromagnetic field in the space between a transmitter and a receiver This field provides a volumetric detection zone in the form of a long ellipsoid of rotation see fig 3 1 An intruder crossing a detection zone causes changes of the field All changes of this field are recorded There is the detection zone configuration in fig 3 1 there are given in table its crosscuts dimensions for three performances of the sensor dependency on the length of a sector with the height 0 85m of Rx amp Tx mounting
6. Loosen the bolts12 see fig 6 1 of Tx and Rx Press the button Pressing it and stooping in turn Tx and Rx vertically exact the maximum indicated value of voltmeter Ease the button AGC Tighten the bolts 12 Loosen the nuts 10 Check the value of TEST voltage as a result of the adjustment If TEST voltage is less than 1 2 V it is necessary to repeat the alignment vertically and horizontally for more exact adjustment If the voltage controlled by the voltmeter is over 4 5V on short sectors it is recommended to make the desalignment of Rx and Tx upwards at a small angle so the voltage does not exceed 4 5V Don t desalign Rx and Tx down or towards The sensor keeps its operation using TEST voltage 0 1 4 8V The boundary values of 1 2V and 4 5V during the adjustment are recommended for the resource of the signal level to provide a long operation Disconnect the tester from the socket TEST of Rx 9 3 Rx threshold 9 3 1 Mount the tester MIN MAX in the position MAX Thresholds are adjusted when a person crosses a protected sector uniformly along the whole length Cross the sector in the position at one s full height and having bent The investigator should go out from the DZ of 1 2 m for Rx calming otherwise the results of the previous passage will influence on the following When the sensor generates alarms Protection indicator becomes dim for 3 sec After the switc
7. Microwave Linear Intrusion Sensors FMW 3 200m User manual Document Part Number 4372 43071246 004 Conformance certificate Ne POCC RU OC03 B01413 CERTIFICATE OF CONFORMITY 2003 CONTENTS 1 IMPPODUCHOM 3 Zs PUP POSE e 3 3 Specifications sien sds cnds teadicastanaasucausassauiclasandasecduentsmeaneetuiniinaienaaaeeal 3 4 Sensor odd s scsiscsssssssececvtssecesensastessdsdenscecdscseasssdewciesasedesstsiansoeusies 5 5 Sensor Structure amp Operation sisisessssssssiandassocdesssarvsesessasensssaassseacuarinaaars 5 5 1 Sensor Principle of Operation esessscoocssssscococcssssssccsssceeccosssssssesse 5 5 2 Adjustment Control and Indication Parts eese 6 5 3 LES dui e 7 6 Sensor Construction 7 6 1 Ry 3 RX KDE PULS dx 7 6 2 Tx Construction Tx 3 Tx 3 1 Tx 3 2 8 6 3 MK mounting kit ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss 8 T Safety MeastreS sssssssssessssssesssssssesesssssessrss seess s sase 11 8 Mounting Procedure RR 11 8 1 Requirements for the preparation of the sector and the arrangement OF Ex ANG 1 11 8 2 Sensor MOIBUIS ioisde ws ren pae x EO EARTH EO ERN 11 8 3 S
8. age the influence of hostile environment should be prevented 14 TRANSPORTATION 14 1 Packaged sensors can be transported by any transport if by plane in pressurized modules if they are transported in covered cars holds or covered bodies they can be transported at the distance up to 10 000 km The boxes should be placed to prevent their shifting or fall in case of jolts and blows Microwave Linear Intrusion Sensors RM W 3 Certificate Document Part Number 4372 43071246 004 The purpose of the sensor and its specifications are given in the corresponding clauses of the data sheet of the Document Part Number 4372 43071246 004 1 DELIVERY KIT The delivery kit includes Transmitter 1 item Receiver 1 item Mounting kit 1 kit Kit of tools and accessories 1 kit User manual certificate 1 item 2 ACCEPTANCE CERTIFICATE The sensor FMW 3 200m meets performance specifications of the Document Part Number 4372 43071246 004 and it is considered as operable Date of issue 2010 Quality department 3 MANUFACTURER S GUARANTEES The manufacturer guarantees the conformity of the sensor specifications to requirements of the Document Part Number 4372 43071246 004 if a user meets the service conditions and operating rules specified by the Document Part Number 4372 43071246 004 Warranty period is 18 months since the date of sale by the manufacturer Guarantees do not cover the sensors with broken guarantee st
9. amps with mechanical failures and also those which are out of order because of natural disasters lightning fire and flood Mean lifetime is 8 years For warranty and post warranty service you can contact European Office JSC Forteza Tilzes str 38 91112 Klaipeda Lithuania Phone 370 46 411353 Fax 370 46 412231 E mail forteza forteza com Visit the site www FORTEZA com for more information about additional Service Centers
10. cts of the tamper circuit are broken and this is reflected at the Rx unit through the green and grey colored wires marked TAMPER TAMPER Contact dimensions of this tamper circuit are current up to 0 2A at voltage up to 80 VDC 3 8 The sensors power supply is 9 30 VDC with maximum pulsation of 0 02 V maximum The maximum current consumption is 35 mA at 24 VDC 3 9 The sensor operation can be tested by applying 5 30 VDC signal at the RC on the Tx unit The RC is marked as RC input of the transmitter The duration of this test signal is 1 3 sec 3 10 The sensor doesn t generate an alarm in the case rain snow fog solar radiation the influence of wind at a speed of 30 m sec maximum moving of the objects in the DZ of 3 m from Rx or Tx with the linear dimensions of 0 2 m maximum birds or small animals irregularities on the sector up to 0 3m snow without additional adjustment up to 0 5 m grass up to 0 3 m influence of the radiated emission of ultra short waves of the range 150 175 MHz up to 40 Vat on the distance maximum 3 11 The sensor is immune to EMI voltage impulses in supply circuits breaks of mains supply electrostatic discharges electromagnetic fields 3 12 Inputcircuitsof TxandRxareprotectedfromelectricpickup electric storm too 3 13 The sensor mean lifetime 15 8 years 3 14 Maximum dimensions of the units without a mounting kit are FMW 3
11. der cover 6 are shown in fig 6 2 6 2 Tx Construction Tx 3 Tx 3 1 Tx 3 2 6 2 1 Tx construction and its bracket are the same as the Rx construction see fig 6 1 The difference is in internal elements there is not cover 6 there are not clamps controls adjustment and indication elements three wire cables are used instead of six wires cable 8 6 3 MK mounting kit 6 3 1 Mounting kit for FMW 3 includes two brackets and four clamps for the mounting on the support of Rx and Tx Mounting kit for FMW 3 1 and FMW 3 2 has the same mounting kit but the brackets have other length The MK for Tx Rx fastening on the wall can be delivered too on the customer demand yy 7 Dy Ah T TB UL TTE ia Beaming diraction support tube 1 item 8 cable 1 item 2 bracket 1 item 9 ring 1 item 3 figured washer 2 items 10 nut M6 1 item 4 base 1 item 11 washer 6 2 items 5 enclosure 1 item 12 bolt M6 16 litem 6 1 item 13 clamp 2items 7 corrugated tube 1 item 4 insert 2 items Fig 6 1 1 indicator PROTECTION gt 3 4 5 6 thresholding MIN MAX socket TEST AGC button tamper circuit marking of cable cords Fig 6 2 Note Dear user Manufacturer of FMW 3 FMW 3 1 FMW 3 2 sensors constantly upgrades their quality and reliability Thats why in some lots of sensors one can find design modifications unspecified in the
12. ensor COoDnectlol ooessesesseesenssesesesens seses Pss es sesesessseM ses seses esses ses s 13 9 Sensor preparation for the Operation amp Adjustment 16 9 1 Sensor Preparation for its Operation 16 9 2 Ix and RX ad USCC 16 9 3 Rx threshold iiseeesessseessessssesestssseesssssesesesesssesesessse e sssass sessseaseasses 17 10 Sensor operation with the deflector eececeee creer 18 11 Check of Technical State s sssssssssssssssssssssssssssssssoosssssossssssssssssssssssssssssssss 18 11 1 Check of Sensor Oper ate 18 11 2 SOP VICING iiseesessessnsessesvEsees sst2eesessb2aeen seM2ee s eMeaet se Mia etes e Mise se issos oss 18 12 Troubleshooting STI I 19 13 Du 20 ICM DAC M 20 ET LUIS NER ERE RS 20 1 INTRODUCTION The present user manual contains information about the operation of the microwave linear intrusion sensors FMW 3 FMW 3 1 FMW 3 2 below the sensor In this document there is information required for the correct operation use transportation storage and maintenance of the sensors The following abbreviations are used in the present document Tx transmitter Rx receiver mounting kit SU supply unit JB junction box 2 PURPOSE 2 1 The purpose of the sensor is to protect regular open sectors a
13. he time of the signal RC operation Then Rx generates an alarm In such a way the signal generation after the signal RC confirms the sensor operation and the running order of the tail The user determines the control periodicity 5 3 5 Besides there it is necessary to check periodically the technical state of the sensor and its servicing Periodicity of the checks is given in item 11 6 SENSOR CONSTRUCTION 6 1 Rx 3 Rx 3 1 Rx 3 2 6 1 1 The sensor consists of separate units Rx Tx placed in dust splash proof enclosures 6 1 2 Rx construction and its fastening elements to the support are given in fig 6 1 The receivers of different sensor modifications differ from them by overall dimensions The carrier of the unit is base 4 Radio transparent enclosure 5 is glued to the base with sealing material In the heel of the enclosure there are two holes preventing condensed fluid accumulation within the unit The access to the controls adjustment indication elements and clamps for the connection of the terminal element is open when cover 6 is removed Rx is connected to the receiver control device with six wires cable 8 Rx is mounted on the support 1 using bracket 2 and two clamps 13 Mounting provides the rotation of the unit horizontally at angle 65 minimum vertically upward atangle30 minimum downward at angle 45 minimum Location and marking of the clamps controls adjustment and indication elements located un
14. hing ON of the indicator Protection the following passage can be done If the controller of the thresholds is turned clockwise the value of the sensor thresholds increases and vice versa If the signal is not generated during the investigator passage the controller MIN MAX will be turned on one two points counter clockwise and the alignment will be continued Do some check passes along the whole length of the sector especially in the problem sector places in hollows hills next to the trees branches situated in the detection zone If it is necessary regulate the sensor thresholds Notes During the check passes at mean speed the thresholds values detect an intruder moving at a speed 0 3 10m sec To extend the speed range up to 0 1 10 m sec adjust additionally the thresholds crossing a sector at a speed of 0 1 m sec Align the thresholds very attentively because decreasing the thresholds a lot of false alarms can be generated because of some interference increasing the thresholds some sensor omissions appear in its operation When the adjustment is over it is necessary to close Rx terminal cover After the sensor adjustment it is recommended to carry out its trial operation for 2 3 days to reveal and eliminate possible errors of mounting and adjustment 10 SENSOR OPERATION WITH THE DEFLECTOR 10 1 If it is necessary to create breaking of detection zone the sensors FMW 3 FMW 3 1 FMW 3 2 can be used wi
15. ing to the methods given in clause 9 2 Adjust the operation thresholds of Rx according to methods given in clause 9 3 11 CHECK OF TECHNICAL STATE 11 1 Check of Sensor Operation 11 1 1 During the sensor exploitation it is recommended to check remote control RC 1 3 times in a day 11 2 Servicing 11 2 1 The sensor should be served by the technicians after special training and instruction 11 2 2 During the service of the sensor it is necessary to conduct the check and the preventive works 11 2 3 Every month carry out external examination of the sensor units and the state of the sector where Tx and Rx are installed It is necessary to check absence of dust dirt snow and ice from the side of radiation of Rx and Tx antennas and clean them if it is necessary the absence of outside objects in the sector where Tx and Rx are installed 11 2 4 Every quarter carry out all the works specified as works carried out every month check the state of the cables and cable connections 11 2 5 During seasonal works the height of the grass is controlled If the height of the grass is over 0 3m the grass should be cut or removed by another method 11 2 6 If the height of snow changes false alarms can be generated because of the decrease of the signal at the input of the receiving unit In this case it is necessary to remove snow or to change the height of Tx and Rx antennas installation After the height of the antenna m
16. l of the terminator of the security systems loop resistor condenser and diode are determined by the type of the receiving control device The sensor is connected to the receiving control device Usually it is a resistor The nominal resistance of this resistor should take into the contacts resistance of the individual point relay 30 Ohm and clamping resistor of the lightning circuit this resistor 100 Ohm and resistence of the security systems loop depends on the chosen cable type and its length FMVWV 3 connection by transit through Tx unit Rx support Tx support Rx Alarm cable Alarm cable Barrier JB L FMW 3 connection by transit through Rx unit Barrier JB L Alarm cable Tx support Rx support Rx Alarm cable 11213145 T Barrier JB L 6 7 8 o 10 1112 e T terminator of the receiving control device Fig 8 3 to the receiving control device to the receiving control device FMW 3 connection by transit through Tx unit through LGU 4 Rx support Tx support Rx Alarm cable Alarm cable LGU 4 LGU 4 Neut 1 INPUT OUTPUT 2120 3 3 40 Transit Transit 3 4 4 4 122151 Eg Eg tol i 4o FMW 3 connection by transit through Rx unit through LGU 4 Tx support Rx support Rx Ala
17. nd to detect an intruder crossing at his full height or bent crawling through this sector 2 2 The sensor is intended for continuous round the clock outdoor operation at an ambient temperature 40 C 65 C and relative humidity up to 98 at the temperature 35 C 3 SPECIFICATIONS 3 1 The recommended length of a sector for the modifications FMW 3 sensors 10 300 m FM W 3 1 sensors 10 100 m FM W 3 2 sensors 5 50 m 3 2 The configuration and the detection zone s dimensions are given in fig 3 1 and table 3 1 The detection zone is a volumetric part that being the very specialty in the kind of detection and any movement within this sector will generate an alarm L Axis ofthe Detection zone L Length of a sector h Height of the detection zone b Width of the detection zone In fig 3 1 and table 3 1 the height h and the width b of the detection zone are given for the middle of the sector Moving towards the receiver or transmitter these dimensions decrease evenly given the geometry of positioning the receiver and transmitter Table 3 1 Dimensions maximum Length of a sector L m 1 4 1 6 1 7 1 8 0 75 1 5 2 3 4 5 3 3 The minimum distance recommended from the axis of the detection zone from building walls and other nonmoving objects should be as follows 200 300m 2 5 m minimum 100 200m 2 0 m minimum 35 100m 1 5 m minimum 5 50m 1 0 m minimum 3 4 The
18. ntacts The sensor receives a signal from the remote control RC when an additional button is installed in the room It is possible to install one button on some sensors In this case the button pressing checks the sensors operation of all sensors group There is the model scheme of the sensor connection using the storm protection unit LGU 4 see fig 8 4 There is the model scheme of two sensors connection to the supply unit PSU 24 0 7 see fig 8 5 8 3 5 T xtendhperimetesites for object cables switching it is recommended to use the junction boxes Barrier JB on 30 circuits Barrier JB B on 48 circuits or Barrier JB84 on 84 circuits 9 SENSOR PREPARATION FOR THE OPERATION AND ADJUSTMENT 9 1 Sensor Preparation for its Operation Check the right connection of supply circuits and output circuits of the sensor 9 1 1 Switch ON the sensor power supply The broken or constant glowing of the indicator Protection proves the presence of voltage on Rx 9 2 Tx and Rx adjustment 9 2 1 Tx and Rx are adjusted on the angle of the place and the azimuth according to the maximum value of voltage TEST on the output of Rx 9 2 2 Two persons are necessary for the adjustment One of them is situated next to Rx the other next to Tx 9 2 3 The alignment includes the following order Connect the tester to the socket TEST using the alarm cable from the kit in the mode of constant voltage measuring
19. ounting is changed they should be aligned The thresholds should be adjusted according to the procedure given before 12 TROUBLESHOOTING GUIDE List of possible troubles is given in table 12 1 Table 12 1 Possible Cause 1 The 1 Communication receiving line 15 broken control device constantly generates alarms 2 The protective device in the supply unit is blown 3 The sensor alignment is disturbed 4 Tx fails 5 Rx fails 2 False 1 Moving branches alarms of the are in a detection sensor zone and they cause alarms 2 High grass is in the sector 3 Snow blanket is higher than one specified in the manual and this Check the cable integrity and the accuracy of its connection Restore the communication line Replace the protective device Align Tx and Rx antennas Replace Tx Replace Rx Inspect the sector and remove interference factors Possible Cause reduces an input signal 4 Animals circulate in the sector 5 The Rx thresholds Check the are too low accuracy of the Rx thresholds setting 3 The 1 Rx thresholds are Check the sensor does too high accuracy of the not generate Rx thresholds alarms when setting an intruder crosses the sector 2 The alignment is Align Tx and Rx disturbed antennas 13 STORAGE 13 1 The sensors should be stored in the package in warehouses at an ambient temperature 5 C 30 C and relative humidity 85 maximum During the stor
20. rates the values of the Rx thresholds An explorer establishes them during the operation with the thresholds controller MIN MAX The thresholds adjustment is realized by the main rotation of resistor axis with screwdriver In this case the thresholds will change from minimum MIN to maximum MAX value 5 2 2 The input signal is controlled with the tester on the socket that is marked TEST below the voltage TEST The more TEST voltage the more Rx input signal and vise versa The sensor keeps its operation with the range of the voltage values too TEST 0 1 4 8V 5 2 3 The light indicator Protection provides the indication of the sensor mode operation Continuous luminescence means the standby state of the sensor Switching off the indicator for 3sec means the alarm generation Pressing AGC button on Rx it is possible a broken glow of the indicator Protection To decrease power consumption the indicator Protection goes out after 10 min of the sensor operation in the standby state 1f there were no pressures on the button the turn of the levels controller transfer of the sensor in the alarm mode In this case the indicator disconnection doesn t influence on the state of the relay contacts 5 2 4 During Rx and Tx adjustment on the maximums of the antennas directional diagrams the amplifier is transferring from the mode of the automatic gain control with a big time constant to the mode with a small time con
21. rm cable Alarm cable LGU 4 LGU 4 INPUT OUTPUT 1 INPUT OUTPUT 1 e A ez 3 4 Ir Ji t Transit TAMPER He pe EI LET N T terminator of the receiving control device Fig 8 4 O1 e ES tothe Rc f receiving NC control device NC 1 U 2 U to the 3 receiving Nc control device NC FMW 3 connection from PSU 24 07 PSU 24 07 m pem 0 alae 7 to FMW 3 4 aaa 2 ololalalolelololalololole NC L4 Ne 5 1 2 3 i 2 4 L NC tothe receiving control device T terminator of the receiving control device Fig 8 5 8 3 3 The contacts of Rx tamper circuit TAMPER can be connected to the control device by the separate loop In this case the user receives the information of the Rx terminal cover with the separate signal The second variant of the cover connection the individual point relay is switched ON in series because the contacts are normal closed too they will be opened during the opening of the Rx terminal cover In this case an alarm will be generated when the individual point relay functions Rxterminal cover on one channel of the receiving control device is opened 8 3 4 There is a scheme see fig 8 3 ofthe sensor connections using the junction box Barrier JB The contacts of the tamper circuit will be switched ON in series with the relay co
22. rotected by the corrugated tube 7 it is necessary to remove one of pressure seals PG9 JB or PSU and to install the insert 14 with the corrugated tube 7 in the hole It 15 recommended to use one PSU 24 0 7 for power supply of two adjacent sensors There are five free terminal blocks 1 5 in PSU 24 0 7 That s why the junction box can be without mounting on the support where PSU 24 0 7 15 mounted The boxes Barrier JB and PSU 24 0 7 are fixed to the supports with the same clamps as the sensor units The mounting parts are the part of the delivery kits of the boxes Barrier JB and PSU 24 0 7 ATTENTION To reduce the level of electromagnetic interference induced on supply lines it is recommended to mount PSU at the distance of 300m maximum from the place where the sensors are installed 8 3 Sensor Connection 8 3 1 Switch ON the necessary supply units signal and remote control circuits Rx and Tx units are connected with its own cords The wires are marked The marking of cable conductors is given in table 8 1 Table 8 1 Rx Tx Circuit Color Purpose Circuit Color Purpose white li cid white T brown Supply voltage ET brown Supply voltage NC yellow Individual point RC green iS v NC E relay contacts TAMPER green Contacts of the TAMPER grey tamper circuit 8 3 2 The type and the nomina
23. s trees without lower branches can be situated in the detection zone at the distance of 1m minimum from the axis f On the sector there should not be situated moving leaves bushes trees and etc at the distance of 1m from the detection zone g The width of the zone should meet item 3 3 The sensor can be mounted if the width of the sterile zone is less In this case if voltage TJ item 9 2 is less than 1 2 V it is necessary to change Rx and Tx position relative to the support For example if Rx and Tx are to the left from the support turning the bracket relative to the support at 180 fix Rx and Tx at the right from the support If it is not successful and voltage TJ is less than 1 2 V it is necessary to realize the trial operation and according to its results to make a decision about the possibilities of the sensor operation in these conditions 8 2 Sensor Mounting 8 2 1 Mark the perimeter for the places where the supports are mounted To exclude zones of intermittent detection of the antennas the supports should be mounted with overlapping see fig 8 1 and 8 2 The overlapping is necessary to avoid dead zones 8 2 2 Mount the supports It is recommended to use metal or asbestos cement tube as supports of 70 90mm diameter The height of the support above the surface of the ground is given in fig 6 1 In the places where there is a lot of snow the superstructure of the support should be 1500 mm minimum Procedure
24. stant by pressing the button AGC on Rx In this case an express setup of the amplifier takes place on the standby state 5 2 5 A normally closed tamper loop is provided to prevent unauthorized opening of the back panel of the Rx unit In the operating condition the tamper circuit s contacts are closed during the back panel opening they are broken The alarm cables circuits marked TAMPER green and grey wires are broken too 5 3 Sensor Operation 5 3 1 The sensor operation provides the following steps Preparation of the sector Signal cables laying and power supply Tx and Rx installation Sensor connection connection of power supply and loops of intruder alarms Alignment of Tx and Rx antennas Setup of Rx thresholds The principles and the methods of the operations performance are given in items 8 10 5 3 2 The sensor has the following modes of operation Standby state contact breaking Alarm signal open condition Opening state of Rx according to the contacts button TAMPER 5 3 3 The receiving control device realizes the receipt and the indication of alarms The sensor operates with the receiving control devices providing the relay contacts check 5 3 4 During the operation the remote control checks the sensor efficiency The control is realized by the signal RC from the duty operator with the constant voltage 5 30 V for 1 3 sec The beaming of Tx 15 interrupted for t
25. th the deflector fig 10 1 10 2 A metal sheet its dimensions no less than 1 1m is used as a deflector During mounting the deflector should be adjusted at the angle of azimuth and the angle of the place It should have reliable fastening to exclude its vibration when it is windy because it can cause false alarms 10 3 In case of operation with the deflector the total length of the detection zone does not exceed 130m for FMW 3 50m maximum for FMW 3 1 25m maximum for FMW 3 2 deflector Tx Rx Fig 10 1 10 4 Procedure of Operation 10 4 1 Mount Tx and Rx according to item 8 2 10 4 2 Align Tx and Rx antennas in the direction of the deflector Open Rx terminal cover and connect the tester to TEST socket with the alarm cable Switch ON supply voltage Changing the position of the deflector Tx and Rx units obtain the signal on the output of the amplifier Carry out exact alignment according to item 9 2 10 4 3 To define the optimal position of the deflector it is possible to use a laser pointer Place a mirror on the deflector the plane of the mirror should be parallel to the plane of the deflector and fix the pointer keep it in the center of Tx unit Direct the pointer beam on the mirror center Changing the position of the deflector it is necessary to obtain the beam from the pointer to be in the center of Rx antenna Switch ON supply voltage and carry out the exact alignment of Rx then the alignment of Tx accord
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