Alarm System Troubleshooting–Part 3 Detector

Alarm System is a security system consists of 3 parts alarm units. They are detectors, alarm control panel and CMS. We will share our working experience of alarm system troubleshooting categorized into 3 articles according to these 3 parts.
1.Perimeter Beams Detector
a. Alarm Control Panel does not alarm after connection of perimeter beams detector and trigger or alarm control panel can not be armed cause of the perimeter beams detector zone fault.
Possible causes: There is block between transmitter and receiver beams, connection error between beams detector and alarm control panel. The tamp-resistant switch is not closed or there is short-circuit or cut of the wiring, low voltage supplied. The perimeter beams detector zone is not programmed or not correctly programmed.
Solutions: Correctly enroll wireless perimeter beams detector or wire wired perimeter beams detector to the alarm control panel with EOL resistor. Check and confirm there is no short-circuit or cut of wiring and confirm the supplied voltage is more than 9V. Check and confirm the transceiver terminal is calibrated to receiver terminal and check the LED indicator to confirm it is at normal work status. Correctly program the zone attribute of the perimeter beams detector.
b. At installation and adjustment process, the beams detector keeps triggering alarm at alarm control panel disarm status and can not disarm it.
Possible causes: The wired perimeter beams detector circuit is at open status and the defense zone is set as 24 hours zone.
Solution: Check the connection of wired beams detector and alarm control panel and confirm it is close circuit with correct EOL resistor wired. Set beams detector zone attribute as normal zone if it is needed.
c. The LED calibration instruction is flashing or keeps lighting on
Possible causes: Receiver terminal and transmitter terminal is not calibrated correctly, the distance between receiver terminal and transmitter terminal is too long, there is block between receiver terminal and transmitter terminal, low voltage is supplied or tamper-resistant circuit is not closed.
Solution: Correctly wiring the signal and power lines between receiver terminal and alarm control panel, check and confirm the tamper circuit is closed. Adjust the receiver terminal and transmitter terminal angle to make sure it is calibrated. Ensure supplied voltage is more than 9V to the beams detector.
d. False alarm from perimeter beams detector
Possible causes: Voltage fluctuation is too large. Environment interference. There is water input and short-circuit caused of the detector or fault of the detector.
Solutions: Check and confirm the supplied voltage is more than 9V. Check and confirm the wiring is good. Replace the false alarm beams with good beams to confirm whether or not the beams is wrong.

2. Detector ( wired detector and wireless detector)
a. The detector does not alarm after connection to alarm control panel and triggered or the detector zone has fault and disables arm of the system.

Possible causes: The detector is not correctly connected to alarm control panel, the tamper circuit is not closed, there is short-circuit or cut of the wiring or low voltage is supplied. The detector zone attribute is not programmed correctly or not programmed.
Solution: Correctly wiring detector and alarm control panel (correct value of EOL resistor should be wired according to the alarm control panel). Check and confirm there is no short-circuit or cut of the wiring. Check and confirm the supplied voltage is more than 9V. Check and confirm the alarm indicator on the detector is off then wiring the tamper circuit closed. Correctly program the detector alarm zone.
b. At installation and adjustment process, the detector keeps alarm at alarm control panel disarm status and can not be disarmed.
Possible causes: The detector circuit is open and the alarm zone is set as 24 hours zone.

Solutions: Check and correct the wiring of the detector and alarm control panel. Set the alarm zones attribute as normal zone.
c. False alarm of the detector

Possible causes: There is environment interference such as sun light, flowing air and the detector sensitivity is set as high rate.
Solution: Install the detector correctly at proper place according to detector’s installation instruction. Adjust the sensitivity according to environment interference. Check the detector voltage. Replace another detector to test and if it still makes false alarm, then install a MW+PIR double technology or so for interference resistance.
d. Detector alarm LED keeps flashing and the alarm control panel showed fault of the detector

Possible cause: The detector battery voltage is low
Solution: Replace the battery for the detector

3. Wireless door contact makes false alarm
Possible cause: the the installing distance between the magnetic strip and alarm transmitter is too large.
Solution: Check the distance of magnetic strip and alarm transmitter and adjust it to meet requirement of door contact installation.

Alarm System Troubleshooting–Part 2 Alarm Control Panel

Alarm System is a security system consists of 3 parts alarm units. They are detectors, alarm control panel and CMS. We will share our working experience of alarm system troubleshooting categorized into 3 articles according to these 3 parts.

1. The alarm system does not alarm after system armed or forced armed and wired detector is triggered, why?

Possible causes: wiring error such as wired detector is not connected with alarm control panel correctly, short-circuit or cut of wiring between wired detector and alarm control panel, low voltage of the detector or end line resistor is not wired or not correctly wired. Programming error such as zone attribute is not programmed or not correctly programmed.

Solution: Check and confirm the wiring between wired detector and alarm control panel is good and end line resistor is wired correctly. Check the supplied detector voltage and confirm it is not less than 9V. Check the zone attribute is edited correctly.

alarm control panel

2. The alarm system does not alarm after system armed or forced armed and wireless detector is triggered, why?

Possible causes: The detector battery voltage is low. The detector is not correctly learned to the alarm control panel. The detector is not programmed into the alarm system zone or zone attribute is not programmed correctly. The distance between wireless detector and alarm control panel exceeds rated distance. There is metal block between wireless detector and alarm control panel.
Solutions: Change the battery and re-enroll the wireless detector to the alarm control panel, correctly programming the detector zone attribute. Shorten distance between wireless detector and alarm control panel. If there is metal block, please replace the wireless detector.
3. The alarm control panel can not receive remote signal and transferring signal, why?

Possible causes: Power supply is not enough for remote controller or signal transceiver, the wireless remote or transceiver is not enrolled correctly into the alarm control panel. The distance between the remote or transceiver and the alarm control panel is too long. Alarm control panel can not decode the received signal.
Solutions: Change remote battery and re-enroll the remote controller to the alarm control panel correctly. Shorten the distance between the remote control or the transceiver to the alarm control panel. If above solution does not work, there maybe problem of the wireless receive module of the alarm control panel and it should be return to factory for repair.
4. The alarm control panel makes false alarm, why?
Possible causes: the detector fault or wrong installed.

Solution:
Check which zone triggers alarm and check the detector.
5. The alarm control panel makes sounds at normal work status.

Possible causes: The alarm control panel can make sounds of alarm, fault alert, delay arm sound, alarm delay sound etc.
Solution: Check and identify which sound the alarm control panel made then solve the problem according to the sound. If no alarm is triggered by detector and no instruction is made to the alarm control panel and it makes sound, then there maybe the alarm system error.
6. External siren is wired to the alarm control panel, but it does not sound when alarm control panel alarms.
Possible cause: the Positive and negative wiring between siren and control panel is reverse or short-circuit. The siren voltage is low (less than 12V). The external siren is not programmed or correctly programmed to the alarm system.
Solutions: Check and confirm the wiring is correct. Check and confirm there is 12V voltage output to the siren when the system alarms. If not, please program the system and turn on the external siren. If all above is ok but still no output from the external siren, please change a siren to test or change a alarm panel to test.
7. The alarm control panel does not dial alarm receiving number when it alarms.
Possible causes: strong interference or short-circuit, cut of the telephone line. The receive phone number and communicate format, communicate grade is not programmed correctly to the alarm system. The telephone theft function is turned on.
Solutions: Check and confirm the telephone line is good without strong interference, short-circuit and cut. If additional code is needed for outline dialing, please add it to the receive phone number when program it.
8. The alarm control panel does not dial CMS telephone number when it alarms
Possible causes: strong interference or short-circuit, cut of the telephone line. CMS telephone number is not correctly programmed into the alarm system or user code is not enrolled or not correctly enrolled.
Solution: Check and confirm the telephone line is good without short-circuit and cut. Check and confirm the CMS number including communicate format and grade and user code is programmed correctly. If all above is good and problem still exist, then please check the interference of the telephone line. CMS communication is data communicate and strong interference may lead to communication interruption.

Conclusion: the updated new technology alarm control panel has voice, LCD menu, graphic prompt and low battery alert. So, alarm system troubleshooting is easy and the system has self-check maintenance program. So, alarm system is not coded and easy to operate than before.

Alarm System Troubleshooting–Part 1 CMS

Alarm System is a security system consists of 3 parts alarm units. They are detectors, alarm control panel and CMS. We will share our working experience of alarm system troubleshooting categorized into 3 articles according to these 3 parts.
1. CMS machine can not receive all users’ alarm information.
Possible causes:
problems of telephone line network communication such as strong interference or loud noise on the telephone line, short or cut of the telephone line, the burglarproof switch on the telephone is turned on or telecommunications office network failure.
Problem of alarm control panel CMS communication programming error.
Problem of the CMS network such as serial port is shut off on the software, serial port connection error, serial port damage or PC fault.
Solutions: Check whether or not telephone line is cut or with short-circuit. Shut off burglarproof switch on the telephone. Confirm the alarm control panel CMS communication programming is correct including CMS telephone number, CMS communication grade, CMS communication format, user code, alarm report option. Turn on serial port on the CMS software, connect the serial wiring correctly, confirm the serial port is good. Check and confirm the PC can work properly. Check whether or not the CMS software is trial version and trial time is due from system log.

alarm system fault
alarm system trouble shooting
2. CMS machine can receive alarm information, but the alarm information can not pop-up.
Possible causes: user information does not exist on CMS software. Serial port is shut off or serial connection error, serial port damage.
Solutions: Add user information into the CMS software, turn on serial port and correctly connect the serial wiring, check and confirm the serial port is good.
3. CMS machine can receive alarm information, but can not report it to police center or forward to other department.
Possible causes: problems of telephone line network such as strong interference, cut or short-circuit of the telephone line or communication failure of the telecommunication office.
The forwarding telephone number is not correctly filled into the CMS software.
Solutions: Check and confirm telephone network is good and with good communication. Check and confirm the forwarding telephone number is correctly filled into the CMS software.

Conclusion: CMS for security service center includes software and hardware and it requires carefully programming and setting to ensure its proper work.

Smoke Alarm types and connection

Smoke alarm is important component of fire alarm system. And it is part of home security systems.
The smoke detector alarm can be used with fire alarm system or burglar alarm system or independently sound and light alarm on-spot without connection with any alarm systems.
So, there are 4 types of wired smoke alarms. (same as heat detector, CO detector and compound detector). The connection way is different for different types smoke detector alarms.
Correct connection is required to ensure proper work of smoke alarm. Otherwise, danger will be heavier with non-work smoke detector alarm.
We need to buy correct type smoke detector to work with our exist alarm systems. And we need to wire the smoke alarm according to the detector’s manual and alarm receiver’s manual as well.
Below we will introduce these 4 types smoke alarm and connection ways (Smoke alarm type is HST brand as example. The HST brand smoke detector can be bought at Vedard Alarm Store)
Type 1: Independent Smoke Alarm.
The independent smoke detector alarm doesn’t need wire connection. It makes sound and light alert when smoke density reaches to alarm limit. The independent smoke alarm can be battery powered or AC powered with battery power backup.
Type 2: Bus type coded addressable smoke alarm
There are 4 terminals and only terminal 1 and 3 are non-polarity connected to 2-wire bus type fire alarm control panel L1 and L2.

Non-polarity 2-wire Smoke alarm systems

wire 2-wire bus type smoke alarm

Type 3: Conventional Smoke Alarm
It is 2-wire and non-polarity connection with conventional fire alarm control panel zone+ and zone-. Multiple detectors terminal 2 and 3 are connected to zone- in series. The terminal 2 is connect with terminal 3 of next detector. This connection way will monitor the zone status and report detector error, detector missing to alarm panel. Current limiting EOL resistor is required to wire and the end of the circuit.

2-wire Smoke alarm wiring with Conventional Fire alarm panel

Type 4: Relay output smoke detector for connection with home alarm system.
It is 4-wire connection. There are 4 terminals on the detector. They are relay output com terminal, relay output NO/NC terminal (default NO), DC power- terminal and DC power+ terminal.
The DC power terminals are connected to AUX of alarm panel and relay outputs are connected to N/O or N/C terminal of the alarm panel. EOL resistor is required to connect to the end of the circuit as well. Please wire this type smoke alarm according to home security alarm panel requirement.
Below is example of home alarm system N/O and N/C wiring requirement.

Home Security Alarm System N/O, N/C contact wiring with smoke detector

4-wire with relay output Smoke detector connecting with home security alarm panel

Above is example wiring of 4 types wire Smoke detector alarms. Many other brands smoke detector wiring is the same way. But wiring according to manufacturer’s manual is the correct way. For proper work of the smoke detector alarm, please remember to study the smoke detector carefully and install it correctly.

Pet immune Motion Detectors and the technology

Pet immune motion detectors are required to be installed in house where pet is living. The pet immunity motion detector can identify moving of pet and human. So, it can avoid false alarm caused by pet movement.

home security system

Security systems manufacturers are adopting new digital technology to make pet immune motion detectors.
Generally, there are 2 ways of pet immunity technology. One way is changing design of Fresnel lens. The fresnel lens will refract or reflect Pyroelectric infrared signal to PIR. It will divide the detection area into a number of bright and dark regions. Changing the area division way can reduce the false alarm caused by small pet. But the effective is minimal.
Another way to reduce false alarm caused by pet is MCU processing. The MCU will collect the detected infrared signal. Then it compares that with sample signal of human movement. It analyzes the signal cycle, volumn, polarity. If the detected frequency range is 6-12Hz, the system judges an activity as a pet activity and does not generate an alarm. If the detected frequency range is 0-5Hz, the system generates an alarm.
There are maximum 15kgs, 20kgs, 35kgs pet immune motion detectors. Home owners should select the corresponding one to fit the pet weight.
Correctly installing the motion detector is important to reduce false alarm. There are installation note for pet immune motion detectors. It is required to install the detector according to the manual.
There are 4 notes when install the motion detectors.
1. Installing height
Install the motion sensor at required installing height. Otherwise, the detection distance may be shorten. The pet immunity effectiveness will be decreased.
2. Installing angle
3. Installing place
PIR motion detector should be avoid installing at some places where interference may be generated.
4. Installing direction
It is best to keep potential intrusion direction and detection area of PIR as 90 degree.
Digital technology is developing. So, in the future, the motion detector will be more intelligent and easy to use.

Program Alarm Systems Solar Beams Detectors

Program Alarm System with Solar Beam Sensors

Solar beams perimeter security sensor

(HB-T001Q2;HB-T001Q3)
1. Press the switch(at the back of the sensor) 1 time to turn on the sensors. (if work normally,the indicator light will on)
2. Keep the Transmitter aligned with the Receiver (if work normally,the indicator lights will blink)
3. Trigger the beam sensors by thick materials(block up all the infrared beams)

(if work normally,the receiver’s light will on) 4.connect the beams to the host(reference to the hosts’ manuals)

community security perimeter intrusion alert products

(HB-T001Q3+;HB-T001Q4;HB-T001Q6;HB-T001Q8)
【Notice 】HB-T001Q3+ has LCD calibrator,but don’t have on site alarm function
1.Press the switch(at the back of the sensor) 3-10 times to turn on the sensors. (if work normally,the indicator light will on and there are 3-6 “di” beep prompt)
【Notice1 】if press the switch 3 times to turn on: there are 5 seconds alarm voice while the beam sensors be triggered; if 4 times,there are 15 seconds;if 5 times,there are 30 seconds;if 6 times,there are 60 seconds;if 7-10 times,no alarm voice.
All the setting will take effect after 1 hour,within 1 hour,there are 5 seconds alarm voice while the beam sensors be triggered.
2.Keep the Transmitter aligned with the Receiver (if work normally,the indicator lights will blink and there are 6 “dididi” beep prompt) 3.Trigger the beam sensors by thick materials(block up 3 infrared beams) (if work normally,the receiver’s light will on;Notice,if the sensors are in on site alarm mode,the sensors will alarm by the speaker,if in mute mode,no alarm voice ) 4.connect the beams to the host(reference to the hosts’ manuals)
Garden Lights&Beam Sensors

Garden light and alarm

(HB-T002A8)
1.Press the switch(below the LED light)3-10 times to turn on the sensors.
(if work normally,the indicator light will on and there are 3-6“di”beep prompt) 【Notice 】there are 2 switches below the LED light,one is useful,the other one is useless.please press the useful switch to turn on the sensors.you can hear the beep while you press the useful one.
2.Keep the Transmitter aligned with the Receiver
(if work normally,the indicator lights will blink and there are 6“dididi”beep prompt)
You can find the location of the infrared beam by the marks or the indicator light

3.Trigger the beam sensors by thick materials(block up 3 infrared beams) (if work normally,the receiver’s light will on)
Cover all the solar panel of the LED light by thick materials,and the LED light on 4.connect the beams to the host(reference to the hosts’manuals)

Wireless alarm repeater

(HB-ZFQ)
Total 2 buttons(Status Key and Erase Key)
Total 4 indicators(Run,RF,Learn,Erase)
How to connect detectors or remote controllers to the Repeater:

1. Power on,”Run”light on.
2. Press the Status Key 3 times,”Learn”light on(means the repeater is on learning mode)
3. Trigger the detector or remote controller,”Learn”blink once and a beep prompt. One Repeater can connect 50 pieces detectors or remote controllers,so please connect the other ones by the same way
4. Press “Status Key” once,Exit the learning mode,and”Learn”light off
5. If work normally,“RF”light will blink while you trigger the detectors or remote controllers. How to delete detectors of remote controllers

1. Power on,”Run”light on
2. Press the Status Key 3 times,”Learn”light on
3. Delete one detector(the recent one)–Press”Erase Key”once,and”Erase”light on 1 second.

Delete all the detectors–Press”Erase Key”3 seconds,”Erase”light on and a beep prompt. How to set the grade of the repeater: At present,the repeater has 4 grades,and the grade can be set by the DIP switch;(factory default is grade 1—the”1”switch is on the”ON”direction,the other switches are on the opposite direction;if you want to set the repeater to grade 2,make the”2”switch on the”ON”direction,and the other switches on the opposite direction;So on…)
【Notice 】Make sure the repeater is on Grade 1 when you connect the detectors to it.
Grade 1 Repeater only can forward the signal from the Detectors;Grade 2 Repeater only can forward the signal from Grade 1 Repeater;Grade 3 Repeater only can forward the signal from Grade 2 Repeater;Grade 4 Repeater only can forward the signal from Grade 3 Repeater;But Alarm host can receive the signal from all the repeaters and detectors.

Solar beams adapter

(HB-ZJQ-3)
Total 9 indicators,1 RUN light and 8 zone Lights.
How to connect the detectors
1. Open the enclosure of the adapter,and connect the power cables (If work normally,the Run light blink)
2. Set the DIP switch to connect the detectors;there are 8 DIP switches corresponding 8 zones; For example:connect the detectors to zone 1 Make the DIP switch 1 to ON direction,and the indicator of zone 1 light on,and”Run”light off.(means the Adapter is on learning mode) Trigger the detector,if“Run”blink,connect successfully(each zone can connect 6 pieces detectors at most). Make the DIP switch 1 to figure direction,and the indicator of zone 1 light off,and”Run”light on.(means the Adapter exit the learning mode)
3. If work normally,the light of zone 1 will on for 30 seconds while you trigger the detector(it means the output of zone 1 will keep 30 seconds)
4. Connect the detectors to other zones by the same way. How to delete the detectors

1. Power on the adapter,and“Run”light blink
2. Set the DIP switch to delete the detectors(for example:delete the detector of zone 1) Make the DIP switch 1 to ON direction,and the light of zone1 on,”Run”light off.

3.Delete all the detectors–Press”Delete Key”2 seconds,the light of zone 1 blink.
4.Delete detector of other zones by the same way.

Solar Siren strobe

(HB-JHD-2)
Total 4 buttons(On/Off Key;Learning Key;Delete Key;Choose Sound Key) How to connect detectors and remote controllers
1.Press the On/Off Key 3-10 times to turn on the siren. (if work normally, there are 3-6“di”beep prompt)
【Notice1 】if press the On/Off Key 3 times to turn on,the siren will alarm 5 seconds while sensors be triggered;if 4 times,the siren will alarm 15 seconds;if 5 times,the siren will alarm 30 seconds;if 6 times,the siren will alarm 60 seconds;if 7-10 times,no alarm voice.
【Notice2 】If there are 3”di~~”long beep prompt while you turn on the siren,it means the siren is
Low battery or the solar panel was covered by thick materials; All the setting will take effect after 1 hour,within 1 hour,the siren will alarm 5 seconds while sensors be triggered.
2. Press the”Learning Key”once,”Learning Key”light on and a beep prompt (means the siren is on Learning mode)
3. Trigger the sensor or press the arm key of remote controller,”Learning Key”light off and a beep prompt(connect successfully)
4. Connect other sensors or remote controllers by the same way

(press“Learning Key”once,trigger the sensor) How to delete sensors and remote controllers
1. Turn on the Siren.
2. Delete one sensor(the recent one)–Press”Delete Key”once,and”Delete Key”light on 1 second and a beep prompt. Delete all the sensors–Press”Delete Key”3 seconds,”Delete Key”light on and a long beep Prompt.

How to choose the alarm voice(total 2 sounds,one is doorbell,one is Alarm)

1. Turn on the siren

2. Press the”Choose Sound Key”once,the sound you heard is the one you choose.
【Notice 】The operations of Learning,Deleting,Choosing Sound must be operated within 1 hours
after turn on the siren.if after 1 hour,you should restart the siren to operate.

Smart home alarm system

(HB-BJQ-560A/B)
How to connect sensors 1.Press“SETUP”Key 2.Enter password“123456#” 3.Enter password“12*48#” 4.Enter zone number“000#—559#”(total 560 wireless zones) 5.Trigger the sensors
How to connect remote controllers 1.Press“SETUP”Key 2.Enter password“123456#” 3.Enter password“12*48#” 4.Enter zone number“10#—13#”(total 4 remote controller zones) 5.Press the arm key of the remote controller
How to set Phone Number —–total 3 modes:fixed phone mode;mobile phone mode and message mode Fixed Phone Mode: 1.connect the phone line 2.open the fixed phone mode(Setup—123456#—51#1#) 3.enter phone number(10#phone number#;can set total 4 phone numbers.the code is 10#—13#)
Mobile Phone Mode 1.insert the SIM card 2.open the mobile phone mode(Setup—123456#–52#1#) 3.enter phone number(10#phone number#;can set total 4 phone numbers.the code is 10#—13#)
Message Mode
1.insert the SIM card
2.open the message mode(Setup—123456#–53#1#)
3.enter message number(14#message number#;can set total 4 message numbers.the code is 14#—17#)

LCD program alarm system

(HB-G250)with keyboard
How to connect sensors 1.Press“###” 2.Enter password“112233#” 3.Enter password“12*48#” 4.Enter zone number“000#—999#”(total 1000 wireless zones) 5.Trigger the sensors
How to connect remote controllers 1.Press“###” 2.Enter password“112233#” 3.Enter password“12*48#” 4.Enter zone number“10#—14#”(total 5 remote controller zones) 5.Press the arm key of the remote controller
How to set Phone Number 1.connect the phone line 2.Press”###” 3.Enter password”112233#” 3.enter phone number(10#phone number#;can set total 4 phone numbers.the code is
10#,11#,17#,18#)
10#-11#:user’s number code
17#-18#:alarm center number code
4.enter”1#”,open the phone mode

LCD alarm wireless receiver

(HB-2020 series and HB-3030 series)
Total 4 buttons(up down left right) How to connect detectors
1. Long time press“UP”key,and power on
2. Press”Left”key to select zone number(total 100 wireless zones,the code is 00–99)
3. Press“UP”key once,a beep prompt
4. Trigger the sensors,if successful,2 beep prompt.
5. Press “Right”key to choose the
6. Press “Down”key to exit setting mode How to connect remote controllers

1.Long time press“Down”key,and power on
2.Press”Left”key to select zone number(total 4 wireless zones,the code is 00–03)
3.Press“UP”key once,a beep prompt
4.Press the arm key of the remote controller,if successful,2 beep prompt.
5.Press“Down”key to exit setting mode How to set phone number 1.connect the phone line and phone ,and then power on 2.long time press the phone set key 3 seconds,and release the phone set key while you heard a
beep prompt 3.handle the phone to set:
Enter password”000000”,a beep prompt
6 user numbers,the code is 11#—16#,for example 11#phone number#
2 alarm center numbers,the code is 17#—18#,for example 17#phone number#
4.enter”0#”to exit setting mode

Burglar Alarm System Installation Notes

Burglar Alarm System Installation is more complicated than CCTV security cameras’ installation. Especially for hard-wired burglar security detectors’ installation, there are some notes should be attended.

1. Select installation bracket

Some security system installers maybe ignore the effect of brackets. Actually, the bracket can help accurately adjust the probe to guard against detection area. It largely saves time and cost of security system adjustment and future maintenance. But when the detector is installed between two sides of the wall with 90 degree, the bracket can be left out.

2. Pipeline laying

We found potential dangers on pipeline laying in some burglar alarm system construction projects. The potential dangers we are talking here are not fire dangers but sabotage dangers. Using PVC cable sheath or even bared cable, not enough pipeline installation height etc. are the potential dangers for sabotage. Some security burglar alarm system installers may think this does not matter cause there is tamper-resistance function with the alarm master controller and it can make alarm when the detector is sabotaged. But the sabotage can greatly affect the security system working efficiency and even cause the security system shutdown for repair. It needs much time and energy for the security system engineers checking and troubleshooting. If the problem can not be solved in short time, the system may not been armed and not work.

Then what cable sheath should be used? Galvanized welded steel pipe with metal hose and fully sealed metal wiring box is the better equipment for cable wiring outdoor.

3. Hidden pipeline 

In the actual installation process, especially for some new buildings, the pipeline should be buried. That will ensure concealment of transmission path and avoid sabotage. At the same time  the buried pipeline should be convenient and flexible to access to the main bridge. In order to add wiring  in the future using the threading apparatus, it is better to pre-set  a small diameter steel cable in each pipeline.

Install hard-wired burglar alarm system

4. Redundancy of feeder cable length

When a probe is installed and fixed, the next thing to do is to connect the wire probe. How to accurately calculate the cable length reserved? If the feeder cable length is too short, it is difficult to adjust the probe angle. If the feeder cable length is too long, the probe case will be hard to cover and have to put the extra cable outside. But the exposed cable will cause detector security risks. So, we should firstly fix and adjust the detector target to protection area, then measure the needed wiring cable and cut off the extra cable.

5. Connect tamper-resistant switch

When connect the detector especially intrusion detector to the security system, the tamper-resistant switch should be connected as well. If tamper-resistant switch is not connected to the system, the theft can destroy the detector at disarm period and without notice.

6 wire cable such as RVV6*0.5 6 core cable is used to connect the detector. Two wires are used for power supply connection. Two wires are used for alarm contact connection. Two wires are used for tamper-resistant switch connection. The tamper-resistant switch wiring should be connected to 24 hours defense zone. So, it can ensure the security of the detector and system against sabotage.

6. Early Determination of installation location 

The detector installation location should be determined early before system installation cause it is hard to move after installation. The detector installation location should be determined according to protection area and environment. If the installation location is not proper, the false alarm and missing alarm events may happen.

Conclusion:

Burglar Alarm Systems are popularly installed for security protection of home, business and industry. But if burglar alarm system is not installed correctly, the security system may not work properly. So, correctly installed burglar alarm system can ensure the security system working effect without repair and trouble. Every security system installer should know the installation principle and not only install the detector, alarm panel according to the products manual

New technology security alarm server EAVS

EAVS is high integrated security equipment which has alarm, NVR, IE explorer together.

With EAVS security equipment, security center can be easy to build up and supports maximum 90 million users.

Many new technologies are adopted for this integrated security alarm server and it is keeping upgraded. Below we will explain some FAQ and help security service engineers, end users knowing this new type security alarm server.

integrated security alarm

1. How to use USB disk to record video?
Please insert the USB disk into the EAVS USB port, then enter into EAVS main menu, find the file you want to backup from the file management, click backup and it is ok.

2. How to use joystick to switch PC and EAVS display?
Turn the EAVS/PC switch on the real panel to EAVS, then press “MON” key on the joystick to switch PC and EAVS interface. If EAVS/PC switch is turned on PC, then no effect by pressing “MON”

3. Why no image display after EAVS visiting from IP or domain name?
Cause ActiveX play control is not installed for image display. Please visit EAVS through IP or domain name, after enter interface, click set, then click system maintenance to download ActiveX and install it.

4. How to set the alarm preset point linkage video and PTZ
Firstly, please enroll the detector into the system, then set the alarm preset point, (move the cursor to the PTZ setting and press enter on the remote controller or click the left mouse button to enter the setting screen, choose the channel, then turn the image to the alarm position through the PTZ control, set preset point digital). Then set linkage( enter into main menu, click security setting, click alarm setting, select the zone number which you want to link and the image channel, video record channel, click PTZ linkage and save it for linkage channel and preset pint. At last confirm exterior alarm is selected for timer arm setting.)

5. Why manual record can not be shut off?
Because timer recording is set. EAVS system can set maximum 4 timer recording.

6. Why black/white image is displayed on monitor or TV display?
Please check and confirm video input, EAVS machine and monitor or TV set standards are totally same. If not, please set monitor or TV set to automatically recognize.

7. The system domain name and platform is set, but it can not be visited and no information is sent, why?
Please check whether the IP address of the router is mapped.

8. Why the joystick maintenance LED keeps lighting on?
If the maintenance keeps flashing, it means there is connection error of the system. Such as telephone line is not connected well or the information sent to CMS failed. If the LED keeps lighting on, it means the detector is not ready yet.

9. Why EAVS not need 911 alarm dialer?
Cause The alarm dialer system is integrated into EAVS system already. The system can set 4 groups voice receiving phone and 2 groups CMS phone.

10. Why the 8 channels audio input is active MIC and not Passive MIC?
The active MIC is with wide audio detection range and the volume can be adjusted.

11. How to use remote intercom?
Please insert MIC and SPK into EAVS system, remote log into the system and right click image to open intercom.

12. The notes of PTZ control setting
Check and confirm PTZ 485 control line is connected to EAVS equipment correctly. Check and confirm the protocol and frequency is same of PTZ and EAVS equipment. Check and confirm the PTZ address is same as it is set on EAVS system.

13. Only image is displayed and no control button or the image is not full of the screen, why?
Check and confirm the EAVS definition is same as monitor.

14. Can the CMS receive alarm report when network is not connected or off line?
Yes, EAVS can identify line off and send alarm to CMS via telephone line.

15. EAVS how to use SMS and MMS?
Add GSM module to the EAVS equipment.

16. What distance is it available between wired detector to EAVS
EAVS uses A/D convert circuit and the distance can reach to 1km.

17. What distance is it available between wireless detector and EAVS?
It can reach to 500m at open area.

18. Is it possible to have repeat code of wireless detector?
EAVS uses 32 digits multi-code wireless codes and it is almost impossible of repeat code cause the rate is one 40 billionth

19. How many remotes can one EAVS set
Maximum 8 remotes can be enrolled

20. Can EAVS be used at factory, school etc. With multiple protection areas?
EAVS has 8 wired and 56 wireless programmable defense zones and 32 bus system defense zones.

21. Why EAVS false alarm rate is lower than DVR motion alarm?
EAVS adopts motion sensor and image moving recheck identifying technology and without sunlight interference. DVR motion alarm adopts moving sensor only and may be interfered by sun light.

22. Is manual check required for EAVS?
EAVS adopts auto system check function, all detectors will send status report to EAVS every one hour. All system fault will be checked and reported to CMS.

23. How many disks and capacity can be supported by EAVS?
EAVS can support 2 pcs 1000G capacity hard disk.

24. At Wifi or internet not convenient place, how to use network to connect to CMS
EAVS supports 3G network module

25. How many channels of D1 recording is supported
EAVS can supports maximum 8 channels D1

26. How to link EAVS alarm with lighting
Through 232 lighting linkage module, it can control 64 circuits lighting control

27. If the line is off when remote upgrading EAVS, will EAVS failed
No. EAVS will download the and save the files firstly, after download completed, it will upgrade automatically.

28. If user password and install password is forgotten, how to do?
Return the machine to factory to upgrade.

29. What short key does the joystick has?
It has single picture, 4 pictures, 9 pictures switch function, manual record, record play, Aperture adjustment, Preset call, PC and EAVS display switch, arm disarm etc.

30. If no joystick, can mouse be used to operate the EAVS system?
Yes, the EAVS menu setting and system can be operated by mouse.

31. What will EAVS system do if the video wire is cut off?
EAVS system will know the wire is cut off and report it to CMS

32. If the EAVS alarm during PC working time, how can watch the alarm video?
EAVS will switch picture to alarm picture and displays alarm picture even PC is working as computer.

33. Why EAVS is cost effective?
EAVS has alarm system, VGA output, video server together. No repeat purchase is needed.

34. Why EAVS will never crash down?
EAVS system has double watch dog function, if the system crashes down, the system will automatically restart in 1 minute and work properly.

35. Why security service engineer can solve the problem of EAVS without showing up at EAVS using site?
EAVS system is with remote programming and remote maintenance function.

36. Normal alarm system center can support maximum 9 thousand users, why EAVS can support maximum 90 million users?
Normal alarm system center adopts 4 digits user code CID protocol, EAVS adopts 4-8 digits user code CID protocol, So, it can support maximum 90 million users.

37. What cost it will be to build TCP/IP network video alarm security center?
The cost is EAVS and one PC.

38. How can EAVS do when burglary happens at holiday without people at home?
There is Voice alarm module and it can dial preset alarm receiving telephone to report the alarm information to home owner. At the same time, it will turn on video recording and begin to record. It will send video to center for record of 1 minute before and after alarm.

39. Can EAVS support wireless LCD keypad installed on the wall?
Yes, it supports wireless LCD keypad.

40. How will EAVS do when leaving home without arm?
EAVS system supports 4 groups timer arm/disarm 24 hours *7 days. It can be armed and disarmed remotely.

Dangerous gas leakage Alarm Device Installation

The dangerous gas includes combustible gas such as methane, ethylene, hydrogen, natural gas, LPG etc. and toxic gas such as CO, H2S, H2 etc. The dangerous gas is easy produced at industry fields such as chemical factory, oil field and may lead to explosion.

Explosion-proof gas detector

Dangerous gas leakage alarm device is needed to monitor and notify people of the dangers and automatically shut off gas or drive electric fan etc. The gas leakage alarm device should be installed correctly for its proper work. Below we will make notes of the alarm device installation.

1. The alarm device can not be installed at place with strong magnetic such as high power electric engine, transformer around. It can not be installed at places where corrosive gases are present.
2. The alarm device is instrument for safety with sound and light display, it should be installed at places where people can easy see and hear then eliminate the dangers in time.
3. There is platinum, palladium and other rare metals on the surface of alarm device probe, it should be taken care of and avoid breaking the probe when installing the alarm device.
4. The installation position of the indoor probe is different according to the density of the detected gas. When the detected gas density is less than the air density, the probe should be installed 30cm from the roof and downward. On the contrary, the probe should be installed from the ground 30cm and upward.
5. When the probe is installed outdoor, the installation position is confirmed according to detected gas density same as indoor installation. But be noted the probe should be installed on the downwind side.
6. Protective casing is needed for alarm circuit connection cable. It is best to add metal hose to the probe wiring. The probe should be with the same level of explosion-proof with the factory.
7. Do not test the detector with high purity gas.
8. After installation and test, be sure to install breathable waterproof cover to protect the probe from water.                                                                                                                                         Industry gas leakage alarm device is high accuracy explosion-proof instrument. It always work with fire alarm control panel or other security system to respond to gas leakage and prevent disaster.