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Acrel-6000/B Electrical Fire Protection Monitoring

 1 Overview
Acrel-6000/B electrical fire protection monitoring system is a computer monitoring and control system independently developed by ‘Acrel’ which integrates monitoring, alarm and management. The system is suitable for centralized monitoring and management of electrical fire prevention of  large shopping malls, living quarters, industrial and mining enterprises, office buildings, shopping malls, hotels and other areas..Acrel-6000/B electrical fire protection monitoring equipment is the core of Acrel-6000 electrical fire protection monitoring equipment,the equipment can connect with various electrical fire protection detector via RS485 bus,and it can form the distributed electrical fire protection monitoring system and monitor the real time work state of electrical circuits.The monitoring equipment can receive and handle real time leakage current and light alarm signal sent by various detectors,and display on the LCD screen at the same time.The equipment can make a sound and light alarm signal when there is leakage current,exceeded running temperature,power supply or communication faults. It can display alarm type,fault location and other information,it has the function of data storage,enquiry,alarm,control output and other functions,and it also supports remote reset control of detectors.The equipment is of reasonable structure,small size,high reliability,strong function,easy maintenance,high cost performance.The system interface is friendly,direct and user-friendly.


2 System functions
Monitoring alarm function
The monitoring equipment can receive residual current and temperature information of multiple detectors, and it can make an audible and visual alarm signal when alarm occurs. At the same time, the red “alarm” indicator on the device lights up, the screen indicates alarm location and alarm type, records the alarm time, and the sound and light alarm lasts until the detector is reset remotely by pressing the device's reset button or the touch screen's reset button. The audible alarm signal can also be manually removed by using the touch screen "mute" button.
Control output function
When the monitored loop alarms,the control output relay closes for controlling protected electrical line and other equipment,control output relay is released when the alarm is eliminated.
Fault alarm function
Communication fault alarm: when communication failure occurs between the monitoring device and any of the connected detectors or detector itself fails,the relevant detector in the monitoring picture displays fault indications,at the same time the yellow "fault" indicator on the device lights up and a fault alarm sounds.Power supply fault alarm:When main power supply or backup power fails,the monitoring equipment also make audible and visual alarm signals and display fault information,and the user can check detailed information and release alarm sound.
Self-check function
Check whether all status indicators, display, and speakers in the device are normal.
Alarm record,storage and enquiry functions
When residual current, over temperature alarm or communication or power failure occurs, the alarm part, fault information, alarm time and other information are stored in the database. When the alarm is released and the fault is eliminated, the same is recorded. Historical data provides a variety of convenient and fast ways to query.
Power supply functions
When main power is off,over voltage or other faults occurs,the monitoring equipment can automatically switch to backup power,when main power recover to normal state,it can automatically switch to main power and the monitoring equipment can continuously run stably during process of switching.
Detector control function
All detectors connected to this equipment can be remotely reset control by operating monitoring software.
Permission control function
In order to ensure the safe operation of monitoring system,the monitoring equipment operation permission is divided into 3 levels,operators of different levels have different operation authority.
 
3 Main technical parameters
Power supply
① Rated working power supply AC220V(85% ~ 110%)
② Backup power supply:when main power supply is under voltage or power outage,monitoring equipmentworking time should be maintained for more than 4 hours.  
Work hours 24 hours
Communication way
RS485 bus communication,modbus-RTU communication protocol,transmission distance will be 1km,and the distance can be extended via intermediate relay.
Monitoring capacity
① The monitoring equipment can monitor up to 512 monitoring units(detectors);
② It can connect ARCM series monitoring detectors.
Monitoring alarm items
① Residual current faults(electricity leakage):fault units property(location and type)
② Temperature alarm(over temperature):fault units property(location and type)
③ Current fault(over current):fault units property(location and type)
④ Alarm response time:≤10s;
⑤ Monitoring alarm sound pressure level (A weight) :≥70dB/1m
⑥ Monitoring alarm light display:red led indicator,the red light alarm lasts until it is manually reset;
⑦ Monitoring alarm sound signal:it can be manually eliminated and can restart when there is alarm signal input again. 
Fault alarm items
① The communication link between the monitoring device and the detector is broken or short circuited.
② There is short circuit or short circuit between the detector and the residual current sensor and the temperature sensor.
③ main power of the monitoring equipment is under voltage or broken
④ There is a circuit breaker or short circuit between the battery charger and the battery.
⑤ Fault alarm response time:≤100s
⑥ Monitoring alarm sound pressure level(A level): ≥70dB/1m;
⑦ Monitoring alarm light display:yellow led indicator yellow light alarm signal lasts until the fault is resolved.
⑧ Fault alarm sound signal: it can be manually eliminated, and can be activated again when the alarm signal is input again.
⑨ The normal operation of the non fault circuit is not affected  during fault period.
Control output
Alarm control output: 1 group normal open passive contact; capacity:AC250V 3A或DC30V 3A.
Self-check items
① Indicator check: alarm, fault, operation, main power and standby power indicator.
② Screen check
③ Sound device inspection
④ Self-check time ≤60s
Event record
① Record content:record type,happen time,detector No.,areas,and fault description and it can stored more than 20000 records.
② Record enquiry:check according to record date,types and so on.
Permission level privilege
① Daily on duty level:real time state monitoring and event record enquiry;
②  Monitoring operation level:real time state monitoring,event record enquiry,remote reset of detectors and self-check of the equipment.
③ System management level: real time state monitoring,event record enquiry,remote reset of detectors ,self-check of the equipment and monitoring equipment system parameters enquiry.
Every module of monitoring equipment can
User environment condition
① working places:fire control room,on duty substation(distribution room) and on duty inner wall of a room.
② Working environment temperature: -10 ° C ~ +50 ° C;
③ Working environment relative humidity: 5% ~ 95% RH;
④ Altitude: ≤ 2500m.
 
4 Components of the equipment
Main parameters and components
① Main control unit:industrial pad with touch screen and Winxp operation system.
② input and output:internal smart DCMOD module developed by the company is with multiple input and output
③ sound and light alarm:Built-in speaker and LED indicator;
④ backup power supply:2 12V/7.2Ah maintenance-free battery.
Panel component layout and function description
The panel layout of Acrel-6000/B electrical fire monitoring equipment is shown in picture 1:
 
Picture 1 monitoring equipment panel diagram
Alarm indicator(red):the alarm indicator is normal on when equipment receives alarm signal emitted by detectors.
Alarm indicator(yellow):when the system faults occurs(like communication fault,power fault and so on),the fault indicator will be normal on.
Running indicator(green):the indicator is normal on when the equipment is under normal operation.
Silencing indicator light (green): when the software is silencing, the indicator light is always bright.
reset button(red):it can do reset operation to the system
Miro printer:it is used for printing real time alarm,faults and event information