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Fire detector connection diagrams. Fire detector connection diagrams Technical parameters of the device

One of the new products in this direction is the IP 212-3SU device. In terms of its technical characteristics, it surpasses its predecessors.

Application area

The IP 212-3SU device (photo below) detects fire by detecting solid soot particles and liquid evaporation products in the air. It is part of the fire safety system. Therefore, it can be used in conjunction with other detectors, fire extinguishing systems, and video cameras.

IP 212-3SU can be installed almost anywhere. The detector instructions highlight the following types of premises:

  • Premises of residential, administrative and commercial buildings.
  • In basements, entrances of buildings.
  • On sea vessels (cruise ships, military ships, etc.).
  • In railway carriages.
  • In industrial premises (warehouses, hangars, storage facilities, etc.).
  • In public buildings (schools, kindergartens, entertainment centers, shopping centers).
  • In places where pets are kept and other agricultural premises.
  • In garages, closed parking lots.

This is not a complete list of places where the sensor can be installed. It can be installed in all closed premises.

The device is mounted on ceilings with surfaces of different nature: concrete, wood, plastic, plasterboard, suspended ceilings, steel supports or even metal ropes (cables). Manufacturers recommend not installing the device in the corners of the room. This is due to the fact that smoke gets there last.

Design and principle of operation

Reliable operation is ensured by the simple design of the detector. The IP 212-3SU sensor includes the following elements:

  • Durable white plastic housing.
  • Smoke chamber with two levels. It allows smoke to enter the body, but protects the internal elements of the product from light.
  • A board that processes the received electrical signal. Another function is to control the device as a whole.
  • Constantly on LED. It is supplemented with an amplifier, due to which even a small concentration of smoke is detected. Its light has the form of a beam that is reflected from soot particles in the air in case of smoke.
  • A photodiode that captures the reflected beam of an LED and converts it into an electrical impulse.
  • Light indicator.

If smoke appears, the light pulse of the LED is reduced. This leads to a change in the electrical parameters of the photodiode. These changes are recorded and processed electronically. The signal is then transmitted to the control device. Once the signal is triggered, you can turn it off by simply turning off the power.

Technical parameters of the device

The IP 212-3SU sensor has the following characteristics:

  • Weight - 100 grams.
  • The case diameter is 89 millimeters.
  • The height of the device is 50 millimeters.

  • Capable of operating at temperatures from minus 40 to plus 60 degrees.
  • Operates at air humidity up to 98%.
  • Power is supplied by direct current (9-30 volts).
  • It takes 5 seconds to detect smoke.
  • The service life reaches 10 years.

Thanks to these characteristics, the IP 212-3SU device has become widespread.

Sensor Installation and Maintenance

A long service life is ensured by correct installation and operation of the IP 212-3SU device. The instruction manual included in the kit will help you do everything correctly.

Installation of the detector includes the following steps:

  • Determining and marking the place where the device will be installed.
  • Preparing holes for mounting the housing.
  • Securing the device in its place.
  • Connecting the alarm loop.
  • Power connection.
  • Checking that the device is connected correctly. For this, a probe or a special aerosol can be used.

The quality of operation of the device depends on the conditions of its operation and maintenance. The detector must be checked every six months. Maintenance consists of performing the following procedures:

  • Keep the housing free from dust and dirt.
  • Cleaning the smoke chamber and other elements from dust. This is done using air flow.
  • Checking the reliability of the wire connections.
  • Trial test of the sensor.

The IP 212-3SU detector cannot be used in polluted air conditions. Therefore, when performing construction and repair work, it must be turned off.

Probably every owner wants his home, dacha and even industrial premises to always be under reliable control and security. It is for such purposes that the fire detector IP 212-3su exists. This sensor gives a signal when a fire is detected and when minimal smoke appears within its operating radius.

The IP 212-3su detector is the embodiment of twenty years of experience in the production and design of fire detectors.

If smoke appears within the operating radius of the device, an electrical signal is generated and transmitted to the control panel. If you decide to install this model on a suspended ceiling, then it will protect both the space below and above the ceiling.

Installation IP 212 3su

Innovation of the model IP 212-3su

The lower part of the smoke chamber catches horizontal streams of smoke that spread across the ceiling. The LED used in IP 212-3su has a narrow radiation pattern, which, together with bright radiation, detects even minimal levels of smoke. The response threshold in this case is no more than 5 seconds. The photodiode crystal is on the same carrier along with the signal amplification. This is the only sensor designed in this way and at the same time the protection against electromagnetic interference is significantly increased.

The model is characterized by high sensitivity and the absence of false alarms. It was these achievements that brought the IP 212-3su to first place in sales. Has patents for “industrial design” and “utility model”.

A small, compact device manufactured with dimensions of 88.5x49.5. It is almost invisible, but at the same time, despite its size, it quickly captures even minimal smoke flows when the fire has just started. Ease of installation is due to the good location of the contact group.

Connection diagram IP 212 3su

Main advantages

  • Does not respond to interference.
  • Maximum dust protection.
  • During standby mode, it consumes a minimum amount of current.
  • Convenient and most accurate testing.
  • Operating temperature -40 +55 degrees Celsius.
  • Easy and affordable installation.
  • Possibility of mounting in suspended ceilings.

This number of advantages significantly distinguishes the fire detector IP 212-3su from other sensors.

manufacturer's warranty

The manufacturer has established a warranty period of 18 months after putting it into operation, but not more than 24 months from the date of manufacture. During the warranty period, all repairs of the detectors are performed by the manufacturer. In this case, the warranty period may be extended by the period spent on repairing the fault. A warranty case occurs when the consumer used the sensor according to the instructions for use, storage and transportation.

Storage and operation

Detectors are stored in closed warehouses, in original packaging. Mandatory storage conditions protect devices from sunlight, moisture, and mold.

When checking the service life of devices, it was found that the operating time between failures is about 60,000 hours, over a period of 10 years.

Results

After listing all the advantages and innovations in the IP 212-3su model, we can safely say that choosing this model will not make you upset. Simplicity of appearance, the possibility of installation in suspended ceilings with the possibility of protecting the inter-ceiling space, protection from dust - all these are the minimum lists of the updated version of the fire alarm. The most important advantage still remains that the sensor reacts to even minimal smoke and immediately transmits an “alarm” signal. Such a basic element as a fire alarm is constantly improving along with the quality and duration of its work.

Passport

INTRODUCTION
This passport IRES 425.231.000 PS applies to the IP212-ZSU fire detector (hereinafter referred to as the detector) and is intended for studying its design, installation, operation, transportation and storage.
2. PURPOSE
2.1. The IP 212-3SU detector is designed to detect fires accompanied by the appearance of smoke in enclosed spaces of buildings and structures for various purposes.
2.2. When smoke occurs in the area where the detector is located, it generates an electrical signal about a fire, which is registered by the control panel.
2.3. Detector IP 212-3SU no. responds to changes over a wide range of temperature, humidity, background illumination from natural or artificial light sources.
2.4. When installing the detector in rooms with suspended ceilings, it can be used to simultaneously protect both the space below and above the ceiling.
2.5. The detector is designed for round-the-clock and continuous operation with control panels, domestic and imported, providing a supply voltage in the loop in the range from 9 to 28 V and receiving a signal about the activation of a fire detector in the form of an abrupt decrease in internal resistance in direct polarity to a value of less than 450 Ohm. For example, with an addressable fire alarm receiving and control device PPKP 019-128-1 "Raduga-2A", with a fire alarm and control panel PPK-2, with a fire alarm and control device USPP 01L Signal-42-01, with a security alarm and control device -firefighter PPKOP0104059-4-1/01 "Signal VK" and others.
The detector is powered electrically and the “Fire” signal is transmitted via a two-wire alarm loop. Triggering of the detector is accompanied by the inclusion of an optical indicator built into it.
The detector has built-in overload protection when triggered, limiting the flow of current through the detector to no more than 30 mA.
2.4. The detector is designed for continuous operation at ambient temperatures from. minus 40 to plus 60°C and relative humidity up to 95±3% at a temperature of 35°C.
2.5. The degree of protection of the detector shell is IP30 according to GOST 14254-80.
1.6. The detector is a periodic maintenance product.

TECHNICAL DATA IP 212-3SU

3.1. The sensitivity (response threshold) of the detector corresponds to the smoke concentration that provides a weakening of the light flux in the range from 0.05 to 0.2 dB/m.
3.2 When installing the IP 212-3SU detector in a suspended ceiling, it provides the ability to simultaneously protect volumes under and above the suspended ceiling with a ceiling space height of up to 1 m.
3.3. The detector has a built-in optical indication of operation and provides the ability to connect external optical signaling.
3.4. The detector is powered by a constant voltage of 9 - 28 V with a possible reversal of the supply voltage for a duration of up to 100 ms with a repetition rate of no more than 1.5 Hz.
3.5. The output electrical signal of the detector is generated by an abrupt decrease in internal resistance to a value of no more than 450 0 m when a current of 20 ± 2 mA flows through the detector.
3.6. The output signal of the detector is maintained during short-term single and periodic interruptions in its power supply lasting no more than 100 ms. The repetition frequency of breaks is no more than 1.5 Hz.
3.7. The detector response signal is retained after the end of exposure to combustion products. The minimum detector holding current in the triggered state is 5 mA. The trigger signal is reset by reversing the polarity or turning off the power supply to the detector for a period of at least 2.5±0.5 s.
3.8. Detector IP 212-3SU does not operate during short-term single or periodic interruptions in its power supply lasting no more than 100 ms with a time interval between them of at least 0.7 s.
3.9. The maximum permissible background illumination value is 12,000 lux.
3.10. The power consumed by the detector in standby mode at a rated voltage of 20 V is no more than 0.003 W.
3.11. The current consumed by the detector in standby mode at a maximum supply voltage of 28 V is no more than 0.11 mA.
3.12. The current consumed by the detector when powered with reverse polarity voltage is no more than 5 µA.
3.13. The mass of the detector with socket is no more than 0.35 kg.
3.14. Overall dimensions of the detector with socket are no more than 100 x 100 x 70 mm.
3.15. The IP 212-3SU detector operates stably under climatic influences:
temperature from minus 40 to plus 60°C; relative air humidity up to 98% at a temperature of 35 C without moisture condensation on the structural elements of the detector; air flow at speeds up to 10 m/s.
3.16. The standard average time between failures of the detector, taking into account technological maintenance, is 60,000 hours.
3.17. The average service life of the detector is at least 10 years.

The new generation of fire detectors IP 212-3SU, while maintaining all the advantages of their predecessors, is distinguished by even greater ease of installation and maintenance, high sensitivity in the absence of false alarms (including from fluorescent lamps), and low inertia. At the same time, the current consumption decreased by more than 2 times (to 50 μA)! In addition, the new IP 212-3SU detector is made in a modern, small-sized housing, has a significantly more efficient testing system, is protected from dust and insects, its socket is designed to connect a fire-resistant FRLS and FRHF cable, and has a 5th contact for connecting an additional resistor in two-threshold loops. Modern design and technological solutions have made it possible to reduce the price of the updated IP 212-3SU.

Smoke chamber. The basis of the optical-electronic smoke detector is:

Rice. 1. Design of IP 212-3SU

An optical pair - LED + photodiode (Fig. 1 a) and a smoke chamber (Fig. 1 b, c), which determine the technical and operational characteristics. The two-level smoke chamber of the new IP 212-3SU detector was the result of a large amount of mathematical modeling and experimental research. Its lower part is perfectly coordinated with the horizontal smoke flows spreading under the ceiling. Vertical plates form 12 symmetrical sectors and ensure uniform flow of smoke from any direction into the central area of ​​the smoke chamber (Fig. 1c), combined with its upper level, in which an optocoupler is installed, thereby effectively protected from dust and from external illumination. The inner wall of the upper level of the smoke chamber is also for the first time constructed from 12 “traps” of LED radiation; cylindrical cells with a minimal level of re-emission are simulators of a black body (Fig. 1 b). This reduces the level of the reflected LED signal, provides a low background signal to the receiver when dust accumulates on the chamber walls and provides reliable protection from external light.

Light-emitting diode. To ensure low current consumption with high radiation brightness, a highly efficient GaAlAs IR LED TSAL6100 from the American company Vishay Semiconductors for special applications, including smoke detectors, was selected for the new IP 212-3SU detector. The highest technological level of production ensures stable performance over long service life. This eliminates the effect of a decrease in sensitivity during operation, which often occurs when cheap, widely used LEDs are used in detectors. A distinctive feature of the TSAL6100 LED is its narrow radiation pattern of ±10° and high emission brightness, thanks to which the detector is able to detect even minor levels of smoke. The high efficiency of the LED ensured a low current consumption of 50 μA despite the pulse period of 1 s and an excellent response to exceeding the operating threshold - no more than 5 s!

The photodiode - more precisely, the photodetector device - is our own unique development. IP 212-3SU is the only detector in which the photodiode crystal is made on the same carrier as the signal amplifier (Fig. 1 a), which provides higher protection against electromagnetic interference than photodiode shielding. The amplified output signal of the photodetector is significantly larger compared to interference effects. The use of a two-level smoke chamber made it possible to reduce the length of the photodetector leads and further reduce induced interference. The direction of the photodetector is consistent with the shape of the smoke chamber.

Testing. Smoke detectors often use primitive testing methods with a “screwdriver” or a button with unacceptably low reliability of the results: the detector may pass the test, but not respond to smoke. To ensure high testing efficiency, the new IP 212-3SU detector monitors the performance of all main elements, including the optocoupler, by lowering the response threshold when the test button is pressed.

Detector design. The new IP 212-3SU detector has optimal dimensions Ø 88.5×49.5 - relatively small, not conspicuous, but not so small and streamlined that weak streams of smoke do not fall into it in the early stages of fire development. The indicator LED is located in such a way that it provides all-round visibility in the event of a detector activation. The design of the detector socket has also been carefully designed: the location of the contact group provides a large free area for ease of installation when using fire-resistant FRLS and FRHF cables. A “fifth contact” is provided for connecting a current-limiting resistor in series with the detector and a contact for connecting an external indicator.

Specifications

Detector sensitivity, dB/m, range 0.05 ÷ 0.2
Supply voltage, V, 9 ÷ 28
Current consumption in standby mode, µA, no more 50
Current consumption in FIRE mode, mA, range 18 ÷ 25
Shell protection degree IP 30
Operating temperature range, 0 C minus 40 ÷ plus 55
Relative humidity, % 93% at + 40 0 ​​C
Weight, kg, no more 0.1
Dimensions (diameter/height), mm, no more 88.5×49.5
Degree of rigidity for resistance to radio frequency electromagnetic fields (GOST R 51317.4.3) 3
Average service life, years, not less 10

Connection diagram

Connection diagram for determining “Fire” using one detector.

Connection diagram for detecting “Fire” using two detectors.

The circuit and ratings of the terminal device are determined by the control panel manufacturers.

R add. calculated by the formula Radd. = (Ushs -Urest) /Ipl.,

Where Ushs- loop voltage,

Urest.- voltage at the detector terminals when triggered,

Ipoz.- current in the detector circuit, determined by the control panel as the “Fire” signal.

Certificate

Installation of fire detectors certainly implies their connection into a fire alarm loop. The connection diagram for fire detectors is given below. Two-wire (most commonly used) are considered

  • fire smoke detectors (DIP),
  • thermal fire detectors (IP),
  • manual fire detectors (IPR).

The connection diagram for security detectors is shown on another page.

A fire alarm loop can simultaneously contain detectors of one or more (combined alarm loop) of the specified types. In addition, the connection diagram for fire detectors may provide for the activation of a fire alarm control panel (generation of a “fire” notification) when only one fire alarm loop sensor is triggered or when two or more fire detectors are triggered. (such organization of the fire alarm loop after the activation of one detector generates an “attention” signal).

Addressable fire detectors also have their own connection diagram. I would like to note that the connection diagram for fire alarm sensors may vary (depending on the type of control panel), however, the differences are insignificant, mainly affecting the ratings (values) of additional (ballast), terminal (remote) resistors.

In addition, different types of control and monitoring devices allow the connection of a different maximum number of smoke fire detectors in one alarm loop - this value is determined by the total current consumption of the sensors. Remember, the current consumption of a smoke detector depends on its type.

All types of non-addressable two-wire smoke detectors use the same pin numbering: (1,2,3,4).

The connection diagrams for the terminals of smoke detectors from different manufacturers may visually differ slightly (options 1, 2), but, from an electrical point of view, they are identical, because inside the detector housing, terminals 3, 4 are short-circuited.

However, the second option has a serious drawback - when the detector is removed from the socket, the control device will not detect its absence and will not generate a “fault” signal. Therefore, it is better not to use it.

Note!

  • Even for one specific type of fire alarm control and control device, resistors Radd. may have different values ​​(determined by the current consumption of various types of smoke detectors, read the device data sheet carefully).
  • Connection diagram shown fire manual call point is valid when its executive element is normally closed electrical contacts. For example, for IPR 3 SU this connection diagram is not suitable.
  • Thermal fire detectors are connected according to the above diagram if they have normally closed contacts (the majority of them).
  • A situation may arise when an IPR, connected according to the above diagram (recommended in the device data sheet) for an alarm loop that provides for activation by two sensors, when triggered, causes the receiving and control device to generate an “attention” signal instead of a “fire”. Then try to reduce the value of the resistor (Radd), through which this IPR is connected to the alarm loop.
  • Before connecting (installing) addressable detectors, their address must be pre-programmed.
  • Connecting smoke fire detectors requires compliance alarm loop polarity.