Forteza500/300Manual
Contents
1. 507 60 C and relative humidity up to 98 at the temperature 35 3 SPECIFICATIONS 3 1 The sensors have four modifications FORTEZA 300 FORTEZA 300T FORTEZA 500 and FORTEZA 500T The recommended length of a sector for modifications FORTEZA 300 FORTEZA 300T 10 300m FORTEZA 500 FORTEZA 500T 10 500m 3 2 The height of the detection zone generated by the sensor at the maximum length of the detection zone is 1 8m in the center of the perimeter ground 3 3 The configuration and the dimensions of the detection zone are given in fig 3 1 and table 3 1 The detection zone is a volumetric part of a sector that being the very specialty in the kind of detection and any movement within this sector will generate an alarm Table 3 1 Length of a sector m Width of the zone m 3 4 The 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 crawling through with the minimum detection probability of 98 96 RC signal is given on Tx Electromagnetic field influences on Rx for its masking An alarm can be absent but in this case the sensor saves its availability An alarm is generated by breaking the contacts of an individual point opt electronic relay for the time 3 sec minimum This signal is sent from Rx by the wires marked normally closed n2. 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 TAMPER are broken too 5 3 Sensor Operation 5 3 1 The sensor operation provides the following suite Preparation of the sector Signal cables and power supply laying 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 operating regimes Standby state contact breaking Alarm signal open condition Tamper state of Rx the contacts of the tamper circuit are opened 5 3 3 The receiver control device realizes the receipt and the indication of alarms The sensor operates with the receiving control devices providing the check of the relay contacts 5 3 4 During the operation the remote control checks the sensor efficiency The constant voltage 5 30 V for 1 3 sec is realized on the Tx wire marked RC The beaming of Tx is interrupted for the 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 runn
3. An intruder crossing a detection zone causes changes of the field All changes of this field are recorded The signal passes through the amplifier and is compared with the value thresholds according to the algorithm If the signal s change on Rx input is provoked by a person passage Rx generates an alarm breaking output contact of the relay The signal on Rx input can be changed under the influence of other factors height and weight of the intruder place of the sector s intersection its relief speed of the movement 5 1 3 The signal on Rx input can be changed under the influence of other factors rain 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 theses cases because of big reflections and interference the detection zone configuration jumps Multi thresholds algorithm of the sensor operation permits to decrease the number of alarms provoked by interference That s why it is necessary to observe the recommendations in the subsection 8 1 5 2 Adjustment Control and Indication Parts 5 2 1 An alarm generates the values of the Rx thresholds An explorer establishes them during the operation with the controller of the thresholds MIN MAX
4. join the upper buckle 8 with the bracket 9 using the nut 6 Screw a nut tight for 2 3 turns 10 Wrap the buckle round the support and fix it from other side of the bracket by the screw 3 using the nearest hole on the buckle If the bracket is fixed not well on the support pass the screw 3 through the hole shortened the buckle Install similarly the lower buckle 8 Then provide the good bracket s fixing on the support with the nut 6 Unbend or cut off the surpluses of the buckles 8 2 6 Install Tx and Rx units on the brackets with the nuts 11 Pass the cable 14 through the corrugated tube 15 The installation of the corrugated tube is obligatory ATTENTION To reduce the level of electromagnetic interference induced on supply lines it is recommended to mount SU at the distance of 300 m maximum from the place where the sensors are installed 8 3 Sensor Connection 8 3 1 Switch ON the necessary supply units signal circuits remote control circuits Rx and Tx units are connected with its own alarm cables 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 Supply voltage walle Supply voltage iri brown PP 5 _ brown PP 5 yellow Individual point green SO d pink relay contacts TAMPER green Contacts of TAMPER grey tamper circuit
5. 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 to dim for 3 sec The following passage can be done after the switching ON of the indicator PROTECTION 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 detector thresholds Align the thresholds very attentively as decreasing the thresholds a lot of false alarms can be taken place because of some interference increasing the thresholds some sensors omissions appear in its operation When the adjustment is over it is necessary to close the Rx terminal cover 9 4 Check of Sensor Operation 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 OPERATION OF THE SENSOR WITH THE DEFLECTOR 10 1 If it is necessary to create breaking of the detection zone the sensor Forteza 300 500 Forteza 300 500T can be used with the deflector fig 10 1 10 2 A metal sheet its dimensions no less than 1 1m is used as a defl
6. 8 3 2 The type and the nominal of the terminator of the security systems loop resistor condenser and diode are determined by the type of the control device The sensor is connected to the control device Usually it is a resistor The nominal resistance of this resistor should take into the resistance of the relay contacts 30 Ohm of the lightning circuit this resistor 100 Ohm and resistence of the security systems loop depends on the chosen cable type and its length Rx has the clamps to install the terminator marked T see fig 6 2 The manufacturer provides the clamps shortening with the jumper If the terminator is installed not on the clamp but in other place the jumper isn t removed and provides the integrity of the security systems loop 8 3 3 The contacts of the tamper circuit TAMPER of Rx can be connected to the receiving control device by the separate loop In this case the user receives the information of the opening of the Rx terminal cover with the separate signal The second variant the individual point relay is switched ON in series with the contacts of the individual relay In this case an alarm will be generated when the individual point relay functions the opening of the Rx terminal cover on one channel of the control device 8 3 4 There is the scheme see fig 8 1 of the sensor connections using the junction box Barrier JB The contacts of the tamper circuit will be switched on in series with t
7. Comet Microwave Intrusion Linear Sensor Forteza 300 500 Forteza 300 500T User manual Document Part Number 4372 43071246 003 2003 1 Introduction 3 Sensor Operation Sensor Construction 1 Rx Construction 2 Tx Construction Safety Measures Mounting Procedure NO NO NO ND ND EO EO E ON ON LA CLA CA amp WN oe oe oe UE ate Specifications Sensor Components Sensor Structure amp Operation Sensor Principle of Operation 2 Adjustment Control and Indication oe 11 Check of Technical State 11 1 Check of Sensor Operation 11 2 1 12 Troubleshooting Guide 13 14 Transportation EAEE oe oe oe oe oe oe oe oe oe oe oe oe oe oe oe oe oe oe CONTENTS 1 Requirements for the preparation of the sector ERX and o TP PENNE 2 Sensor betira Gure 3 Sensor dE oat Prepar
8. The thresholding 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 test jack The more TEST 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 8 V 5 2 3 The light indicator PROTECTION provides the indication of the sensor mode operation Continuous luminescence means the standby state of the sensor The indicator s switching off for 3 sec means the alarm generation Pressing the button on Rx it is possible a broken glow of the indicator Protection To decrease the power consumption the indicator Protection goes out after 10 min of the sensor operation in the standby state if 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 adjustment with a big time constant to the mode with a small time constant by pressing the button automatic gain control on Rx In this case an express setup of the amplifier takes place on the standby state 5 2 5
9. ailures and also those which are out of order because of natural disasters lightning fire and flood Mean lifetime is 8 years 19
10. ation of the Sensor for the Operation amp Adjustment 1 Sensor Preparation for its Operation 2 Adjustment of Tx and ge RK threshold 4 Check of Sensor Operation 10 Operation of the Sensor with the Deflector and the arrangement Pec cccccccccccce Pec cccccccccccce DPI EO ONN rd Uu W C2 11 14 14 14 15 15 15 16 16 16 17 18 18 18 1 INTRODUCTION The present user manual contains information about the operation of the local microwave intrusion sensors Forteza 300 500 Forteza 300 500T below the sensor In this document there is information required for the correct operation use transportation storage and maintenance of the sensor The following abbreviations are used in the present document Tx transmitter Rx receiver MK mounting kit SU supply init JB junction box 2 PURPOSE 2 1 The purpose of the sensor is to protect the perimeter sectors and 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 FORTEZA 300 500 45 65 FORTEZA 300 500T
11. ector During mounting the deflector should be adjusted at the angle of the place and have reliable fastening to exclude its vibration when it is windy because it can cause false alarms 10 3 During the operation through the deflector the total length of the detection zone does not exceed 150m for Forteza 300 Forteza 300T and 200m for Forteza 500 Forteza 500T deflector Tx Rx Fig 10 1 10 4 Procedure of Operation 10 4 1 Mount Tx Rx and the deflector according to item 8 2 15 10 4 2 Align Tx and Rx in the direction of the deflector with the aiming cleat Open the Rx terminal cover 10 and connect the tester to the socket TEST with the alarm cable Switch on supply voltage Changing the position of the deflector Tx and Rx units obtain the signal on the socket TEST 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 Switch on supply voltage and carry out the exact alignment of Rx then the alignment of Tx according to the methods given in item 9 2 Adjust the operation thresholds of Rx according to
12. evented 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 Intrusion Linear Sensor Forteza 300 500 Forteza 300 500T Certificate Document Part Number 4372 4307 1246 003 The purpose of the sensor and its specifications are given in the corresponding items of the user manual 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 Forteza 300 500 Forteza 300 500 T Ne meets performance specifications of the Document Part Number 4372 43071246 003 and it is considered as operable Date of issue ___ 200 Quality department 3 MANUFACTURER S GUARANTEES 3 1 The manufacturer guarantees the conformity of the sensor specifications to requirements of the Document Part Number 4372 43071246 003 if a user meets the 18 service conditions and operating rules specified by the Document Part Number 4372 43071246 003 3 2 Warranty period is 18 months since the date of sale by the manufacturer 3 3 Guarantees do not cover the sensors with broken guarantee stamps with mechanical f
13. g solar radiation the influence of wind at a speed of 30 m sec maximum moving of the objects in the DZ detection zone of 3m from Rx or Tx of the objects 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 4 m influence of the radiated emission of ultra short waves of the range 150 175 MHz up to 40 Vat on the distance 6 m maximum 3 13 The sensor is immune to EMI voltage impulses in supply circuits breaks of main supply electrostatic discharges and electromagnetic fields 3 14 The sensor mean lifetime is 8 years 3 15 Maximum dimensions of the units without a mounting kit mm Tx 835 240 240 Rx 835 240 240 3 16 Maximum weight of the units with a mounting kit kg Tx 5 Rx 5 4 SENSOR COMPONENTS The sensor delivery kit is Receiver 1 item 2 Transmitter 1 item 3 Mounting kit including Bracket 2 items Buckle 4 items Kit of tools and accessories including Alarm cable User manual Package Nm A 5 SENSOR STRUCTURE amp OPERATION 5 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 5 1 2
14. g to the procedure given before 16 Table 12 1 Trouble 1 The receiving control device constantly generates an alarm 2 False alarms of the sensor 3 The sensor does not generate alarms when an intruder crosses the sector 12 TROUBLESHOOTING GUIDE List of possible troubles is given in table 12 1 1 Communication line is broken 2 The protective device in the supply unit is blown 3 The sensor alignment is disturbed 4 Tx fails 5 Rx fails 1 Moving branches are in a detection 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 reduces an input signal 4 Animals circulate in the sector 5 The Rx thresholds are too low 1 Rx thresholds are too high 2 The alignment is Possible Cause 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 Check the accuracy of the Rx thresholds setting Check the accuracy of the Rx thresholds setting Align Tx and Rx 17 Trouble Possible Cause 13 STORAGE 13 1 The sensors should be stored in the package in warehouses at an ambient temperature 5 30 and relative humidity 85 maximum During storage the influence of hostile environment should be pr
15. he relay contacts The sensor receives a signal from remote control RC when an additional 11 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 group sensors There is the model scheme of the sensor connection using the storm protection unit L GU 4 see fig 8 2 During the mounting of the storm protection unit LGU 4 it is necessary to install them near Rx Tx units The best installation is instead of the JB if the quantity of the switched circuits is 8 items max There is the model scheme of two sensors connection to the supply unit PSU 24 0 T see fig 8 3 Sensor connection by transit through Tx unit Rx support Tx support Rx Tx Alarm cable Alarm cable Barrier JB L to the receiving control device Sensor connection by transit through Rx unit Tx support Rx support Alarm cable Alarm cable Barrier JB L Barrier JB L U to the receiving NC control device NC 12 Sensor connection by transit through Tx unit through LGU 4 Rx support Tx support Rx Alarm cable Alarm cable LGU 4 1 INPUT OUTPUT 12 Transit 4 10 4 bo 102151 ep Lem N Sensor connection by transit through Rx un
16. ing order of the loop 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 The sensor consists of separate units Rx Tx placed in dust splash proof enclosures 6 1 Rx Construction 6 1 1 Rx Construction and its fastening elements to the support are given in fig 6 1 The carrier of Rx lunit is a parabolic antenna The exciter is fixed inside of this antenna in the focus of parabola The detection camera is installed on this exciter with the flange The processing module is fixed on the sidewall inside the antenna Rx connection to the JB or SU is realized with the cable 14 coming through the cable entry Rx is fixed on the support with the bracket 9 and buckles 8 First the bracket is fixed on the support and then Rx is fixed to the bracket with the nut 11 The access to the controls adjustment indication elements and clamps for the connection of the terminal element is open when the cover 10 is removed The adjustment and indication elements located under the cover 10 are given in fig 6 2 The main operating position of Rx is given in fig 6 1 In the cases when it is impossible to fix Rx at the left from the support it can be fixed on the right from the support In this case the screws 2 should be installed in two holes in the upper part of the antenna and two ho
17. it through LGU 4 Tx support Tx Alarm cable Rx support Alarm cable 1 INPUT OUTPUT o1 e N E E Blo N sis 55 E Z Transit TAMPER 3 e Bi n EO BIS w a Fig 8 2 13 db GAIA GO db GO n to the receiving Nc control device NC U kd to the KOA NE NC control device NC Sensor connection supplied from PSU 24 07 PSU 24 07 KEN b U BERRE EK REIS added Mi e ejejojojojo o o o o o o o e sensor NC 3 NG 415 i 11213 dd d NC to the receiving control device Fig 8 3 9 PREPARATION OF THE SENSOR 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 Take away the cover of Rx and connect the terminator to the clamps after removing previously the jumper 9 2 Adjustment of Tx and Rx 9 2 1 Tx and Rx antennas are adjusted at the height of 0 5m The height s count is realized from the lower antenna to the ground fig 6 1 To provide the sensor availability it is necessary to adjust Tx and Rx antennas 9 2 2 The alignment includes the following procedure Loosen the nuts 6 and 11 see fig 6 1 Revolve Tx Rx antennas with the brackets round the support incline the antennas vertically then adjust them Use the aiming cleat
18. les of the antennas should be opened in the lower part They are necessary to prevent the condensate inside the antennas 6 2 Tx Construction 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 the microwave generator is fixed on the exciter instead of the detection camera which 1s connected to the modulator cover 10 controls adjustment and indication elements are absent 1 receiver transmitter 2 screw 4 8 3 screw M6x8 4 washer 6 5 round support tube 6 nut 7 washer 8 8 buckle 9 bracket 10 cover 11 nut 12 spring washer 12 13 washer 12 14 cable 15 corrugated tube 16 pressure seal Fig 6 1 1 item 2 items 2 items 2 items 1 item 2 items 2 items 2 items 1 item 1 item 1 item litem 1 item 1 item 1 item litem GOO 1000 Ground Beamin direction 1 indicator PROTECTION 2 thresholding MIN MAX 3 socket TEST 4 AGC button 5 tamper circuit 6 marking of cable cords Fig 6 2 Note Dear user The manufacturer of the sensor constantly upgrades their quality and reliability That s why in some lots of sensors one can find design modifications unspecified in the 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 u
19. methods given in item 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 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 check and 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 A the 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 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 it is controlled the height of the grass 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 mounting is changed they should be aligned The thresholds should be adjusted accordin
20. or can be mounted if the width of the sector is less The alarm of the Rx output can be very small or absent In this case the Rx antenna or Tx is installed from other side of the support Besides there in some cases the sensors interference can be reduced It is determined by the trial operation g The sector s length is Forteza 300 10 300m Forteza 500 10 500m h The sector s incline isn t regulated 8 2 Sensor Mounting 8 2 1 Mark the perimeter for the places where the supports are mounted To organize the continuous boundary of the protection the joint Tx and Rx installation of adjacent perimeter grounds isn t permitted The right units installation of adjacent perimeter grounds is Tx and Tx Rx and Rx 8 2 2 Mount the supports It is recommended to use metal or asbestos cement tube as supports of 150 200mm diameter As the sensor hasn t dead zones two Tx Rx units can be installed on every support of adjacent perimeter grounds 8 2 3 The supports are mounted with concreting 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 according to the project of the security systems 8 2 5 Install the brackets 9 on the supports 5 of Tx and Rx units fig 6 1 For that
21. ormally closed 3 5 The sensor generates a fault signal in the case The absence of the signal from Tx In 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 tll the same is rectified and indicated by break in the contacts of an individual point optoelectronic relay indicated by colored wires marked NC NC 3 6 No dead zones 3 7 Removal opening of the back inspection cover of the Rx unit generate a tamper alarm The contacts of the tamper circuit are broken and this is reflected at the Rx unit through the wires marked TAMPER TAMPER Contacts rating of this tamper circuit are current up to 0 2A at voltage up to 80 VDC 3 8 Input circuits of Rx and Tx have a protection from electric pickups thunderstorm too 3 9 The dimensions of an individual point optoelectronic relay are the maximum switching current is 0 1A the maximum voltage is 50 V the maximum resistance is 110 Ohm in the closed status 3 10 The sensor power supply is 9 30 VDC with a maximum pulsation of 0 02 V maximum The maximum current consumption is 0 04A 3 11 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 remote control input of the transmitter The duration of this test signal is 1 3 sec 3 12 The sensor doesn t generate an alarm when snow thick fo
22. p 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 It is prohibited to mount and to maintain the sensor during lightning storm 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 sensor s use under these conditions is defined by the trial operation b The height of the grass should not exceed 0 4m c The height of the snow should not exceed 0 9m at the sector s length less than 50m the height is 1m max d Single fixed objects e g posts trees without lower branches can be situated in the detection zone at the distance of 0 5 m minimum from the axis e On the sector there should not be situated moving leaves bushes trees etc at the distance of 1 0 m from the axis connecting Tx and Rx at the sector s length less than 50m at the distance of 2 2 m at the sector s length up to 250m at the distance of 3 m at the sector s length up to 500m f The width of the sector should be not less than the width of the detection zone see table 3 1 The sens
23. situated on the sidewall of the antennas Tighten the nuts 6 9 2 3 Adjust exactly Tx and Rx antennas from the sector s angle Switch on the sensor Open the cover 10 of Rx fig 6 1 Connect the voltmeter with the alarm cable from the sensors kit to the socket TEST of Rx to check the signal s level received by Rx Press the button AGC Pressing it and stooping in turn Tx and Rx vertically exact the maximum indicated value of voltmeter Ease the button 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 14 Tighten the nuts 11 Disconnect the tester from the socket TEST 9 3 Rx threshold 9 3 1 Mount the controller MIN MAX in the position MAX Thresholds are adjusted when a person crosses a protected sector uniformly along the whole length It is necessary to go out from the DZ of 1
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