Din Rail Switched Mode Power Supplies air conditioners work in turn and set the temperature?

With the continuous development of network information technology, the environmental parameters in the computer room where the server is stored are also becoming more and more important. Some small and medium-sized computer rooms keep the temperature inside the equipment room within a certain range. Not only one air conditioner is installed, but also a spare air conditioner is stored. The purpose is to prevent malfunction of the air conditioner in operation or other reasons. It is necessary to turn on the backup air conditioner. However, it is impossible for the computer room management personnel to stay in the computer room for 24 hours. In order to reduce the burden on the computer room management personnel, the air conditioner intelligent switcher can solve this problem well.
The air conditioner switch can control two air conditioners at the same time to realize functions such as air conditioner caller self-start, timed temperature control switch, failover, and fault alarm. Applicable to computer room, outdoor base station, archives, warehouse and other places. Its principle of using infrared code to switch air conditioners makes the device compatible with all brands of air conditioners on the market.
First, the air conditioner switch concept
The air conditioner dual-machine switcher is a kind of intelligent air-conditioner controller, which can detect and control the running state of the air-conditioner, and control according to the preset air-conditioner operation, shutdown and combined behavior, with automatic call start function, cycle switching, temperature control, Timing control, relay output and other functions. The purpose of protecting equipment, saving energy and reducing consumption, improving the efficiency of computer room management and extending the service life of air conditioners has been achieved. This product is widely used in civil, small and medium-sized computer rooms, communication stations, UPS machine rooms in all types of cabinets. Mainly used for switching control of two air conditioners.
Second, the advantages and Din Rail Switched Mode Power Supplies
Industrial design
It adopts industrial grade design and built-in watchdog circuit to ensure the normal operation of the equipment.
32-bit ARM processor
With a 32-bit ARM processor, it features fast processing and stable performance.
User-friendly interface
The display part adopts a TFT color liquid crystal screen, and has a user-friendly operation interface, and the operation is simple.
Brand optional, temperature optional
Built-in thousands of infrared codes, supporting up to 30 air-conditioning brands, including Midea, Gree, Oaks, Island, Skyworth, Chunlan, Daikin, Galanz, Haier, Hisense, Hualing, Kelon, Likal, Hitachi, Mitsubishi, Mitsubishi Electric, Mitsubishi Heavy Industries, Samsung, Panasonic, Sharp, Duckling, Electrolux, Sakura, Chigo, Changhong, Wellcome, TCL, LG, etc., support more than 95% of air conditioners on the market, and can set the boot temperature.
Universal infrared code learning function
Some uncommon air-conditioning brands that do not support built-in infrared codes can use the infrared code learning function to control air conditioners.
Call self-start
When the air conditioner encounters a power outage and then calls, the air conditioner shutdown cannot be automatically started, and manual startup is required, which brings great trouble to the management. When the power is detected and the call is detected, the infrared signal can be automatically sent to turn on the air conditioner without human control. The call start time can be customized.
Cycle switching
Single or two air conditioning cycle switching can be set, and the cycle switching time can be customized to support 1 minute to 99 hours. Cycle switching is often used to alternate between two air conditioners to improve air conditioning life.
Real-time temperature monitoring and control
It can monitor the ambient temperature in real time, and can be customized. When the ambient temperature exceeds or falls below the custom threshold temperature, the air conditioner turns on or off, and the cycle switching function is turned off until the temperature returns to normal.
Timing control
With RTC real-time clock, up to 5 timed tasks can be set to automatically control the air conditioner at a certain time. The timing mode can be set to single, daily or weekly.
One relay output
It can be customized to turn on or off the relay when the temperature is too high, too low or normal. The Din Rail Switching Mode output is recommended to connect the sound and light alarm to achieve high and low temperature warning function.
Third, technical parameters
 2-way infrared interface
Connection method: Plug and play
Control distance: <5 meters
1 relay output
Contact capacity: (AC) 250 V @ 3 A
Contact capacity: (DC) 30 V @ 3 A
On time (typical): 3 ms
Disconnect time (typical): 1 ms
Insulation resistance: minimum 1000 MΩ (500VDC)
Appearance parameters: 140*100*32mm
Power requirements: DC: +9V ~ +12VDC
Power consumption: 1.9W @12VDC
Mechanical characteristics: ABS plastic housing, standard DIN rail mounting
Environmental characteristics
Working temperature: -10 ~ 60 °C
Storage temperature: -20 ~ 85 °C
Humidity: 5 ~ 95%, no condensation
Fourth, the application area
Industrial site control
Computer room monitoring
Intelligent building
Power communication
Warehousing and monitoring
Electronic product manufacturing
Food machine beverage industry
Five, wiring method
Content source：http://www.wattconenergy.com/

VR experience, realistic simulation, tells you how important safety construction is

 The VR HK Experience Pavilion is a combination of VR technology and electric machinery. It is more cool and more realistic than the experience hall built with a single VR technology. For example, it is difficult to set up a scene, a scene with high risk, etc. At the same time, the VR scene is more complete and complete, the experience is stronger, and the safety education effect is more obvious.

    2. The current actual project can be virtualized, and a real-life simulation can be performed at a certain position in the current project, so that the personnel can perform a security experience in the virtual project, and the educational experience is better.

    3. The new technology experience has stimulated the interest of workers in safety education, and workers' perceptions of safety accidents will also increase.

    4. The virtual scene construction is no longer limited by the venue, and can simulate the security accidents and dangers under the real scene.

    5. The experiencer enters the virtual environment to learn the detailed nodes and excellent practices, obtain relevant data information, and further optimize the program, improve the quality, and improve the worker's safety and prevention ability.

    6. The quality model template in the virtual environment is drawn by software, which effectively avoids the difference of standardization of the model due to the difference of workers' skills; avoids waste of materials and labor; once purchased, reuses multiple times, reduces construction waste, and saves costs. The site is used up and can be transported to the next site to continue to use, in line with the concept of green construction.

1, the scene is more realistic, the content is more abundant

The virtual experience area can display more experience scenes than the physical experience area, such as difficult-to-build scenes and high-risk scenes. At the same time, the VR scene is more complete and complete, the experience is stronger, and the security education effect is more obvious.

2, based on the actual scene of the project, close to the actual project

The software performs virtual rendering of the real scene according to the actual construction project, and performs security simulation at a certain position in the current project, so that the personnel can directly perform the security experience in the virtual project, and the educational experience effect is more direct.

3. Reduce redundant construction

The VR virtual experience area does not need to repeatedly build a physical experience area, which greatly reduces unnecessary construction costs and removal costs, can be reused, is more cost-effective, and is environmentally friendly.

4, VR security experience store product operation mode

     Workers wear helmets and VR handles. Through VR glasses, they can see themselves roaming in the construction site. The VR Site Safety Experience Museum transforms the real scene of the construction site into a virtual scene. Imagine, like watching a 3D-IMAX movie, the worker wears VR glasses and seems to be immersed in it. The whole project image is realistically displayed in front of him. At your fingertips, you can experience the danger of being hit by a construction machine, smoking in a pile of materials, causing fires, accidentally dropping at high altitudes, etc. in a virtual environment. Virtual scene simulation can be used to effectively avoid safety accidents during construction.

In the whole process of the security experience, there are voice and text guiding operations, and all security education experiences can be completed according to the guidance operation, and there is no special operation learning link.

5. Comprehensive VR experience of viewing, listening and feeling in the whole process


In the experience process, according to different experience content, with corresponding visual, auditory and physical sense of touch, to achieve a more realistic immersive experience

VR security experience library software production content requirements

1, novice camp

Through the VR HK device in the virtual environment, the system prompts to complete the basic operation skills of the learning software, including the use of the handles such as walking and transmitting, and introduces various facilities and basic contents in the exhibition hall.

2. Safety accident experience area

Through the VR HK device, the experiencer is in the place where the security accident occurs, and the employee, as a victim or a bystander, completes the recurrence of the security incident through the autonomous operation at the prompt of the system. The highly realistic visual impact and sensory experience make the experiencer experience a fierce security accident like a personal experience and deeply understand the lessons of blood. The VR Security Experience Hall designs various experience contents, which can be selectively selected according to the job site personnel's job attributes.

3, VR HKinteractive security experience area

Through the VR device, the experiencer is in the virtual scene of the VR entity experience area, and the employee experiences the virtual security experience item interactively as an experiencer or a bystander, and completes each project experience through autonomous operation at the system prompt. Highly realistic visual impact and sensory experience,
http://radiance.com.hk/

Blind people can also use VR, Microsoft develops blind VR navigation system

360 VR is still mainly a technique for visually "deceiving". Relatively speaking, visually-impaired people are somewhat difficult to appreciate the charm of VR. A new Microsoft research project allows blind people to navigate in the VR world with real-world navigation. Blind people can walk in the VR environment like the real world.

Guidedness training

This peripheral is called "CaneTroller" and supports HTC VIVE. The peripheral is mainly a cane with haptic feedback based on the VIVE motion tracker. The user can use the walking stick to move around in the virtual space and feel the surroundings. When a cane touches an object, it actually touches the surface of the object lightly, producing tactile feedback and sound.

The user needs to wear a circuit breaker at the waist when using this peripheral. The circuit breaker is connected through the slider. The tip of the cane can be used to generate tactile feedback. When the controller touches the surface of the object, it provides tactile feedback similar to that of vibration. The headset will provide users with 360-degree spatial audio to help users better understand their environment.

Although blind people can use this stick to move freely in the VR world, it may not be realistic to use it to play games. This peripheral may be more suitable for blind people to use for blindness training.

Blind people can also use VR, Microsoft develops blind VR navigation system

VR 360 is still mainly a technique for visually "deceiving". Relatively speaking, visually-impaired people are somewhat difficult to appreciate the charm of VR. A new Microsoft research project allows blind people to navigate in the VR world with real-world navigation. Blind people can walk in the VR environment like the real world.

Guidedness training

This peripheral is called "CaneTroller" and supports HTC VIVE. The peripheral is mainly a cane with haptic feedback based on the VIVE motion tracker. The user can use the walking stick to move around in the virtual space and feel the surroundings. When a cane touches an object, it actually touches the surface of the object lightly, producing tactile feedback and sound.

The user needs to wear a circuit breaker at the waist when using this peripheral. The circuit breaker is connected through the slider. The tip of the cane can be used to generate tactile feedback. When the controller touches the surface of the object, it provides tactile feedback similar to that of vibration. The headset will provide users with 360-degree spatial audio to help users better understand their environment.

Although blind people can use this stick to move freely in the VR world, it may not be realistic to use it to play games. This peripheral may be more suitable for blind people to use for blindness training.

Wattco Energy Limited China Power Company Limited

Wattco

A high advanced technological power supplies company. 

Surpassing Din Rail Switched Mode PS group with experienced engineers in sophisticate design solutions with outstanding topologies, construction, cost consideration for the industrial. Latest and continually up grade in design concepts towards up to date technologies. 

Over thirty years in the field, the teams are from multi – international top ranking organization. 

We serve in the areas of telecommunications, automation, building, construction, recycle energy and industrial equipment etc.,

Product reliability and high quality is our task, energy saving and environment protection is our policy.

Electric Guitar Effects Pedals - 5 Popular Effects Pedals For Guitar

If you want to enhance your Guitar playing experience and create rich and varied sounds for your performances, then the obvious means is by use of Electric Guitar Effects Pedals. Here are five 5 popular Effects Pedals in common use, with brief explanations of each.
1. Compression
This is an extremely useful pedal, which is probably the hardest to use, and the least understood. Effectively the Compressor enables the performer to play over a wide dynamic range - from soft rhythmic chords to blistering solos - while maintaining the same output volume of the Amplifier. This way the audience can not only hear those softer passages, but also the more dynamic lead work without drowning out the other musicians (and making your 'ears bleed').
Another effect put to good use, is the ability of the Compressor to enable long sustained notes, far beyond the natural ability of the instrument. Ideal for all those eyes closed, posing moments while stretching that note for as long as possible.

Care must be taken when using a Compressor, as improper use can lead to the introduction of noise,or lead to a rather bland dynamic performance.
2. Tremolo
A very popular Pedal used in the 60's and is still used today. The Tremolo Pedal produces a vibrato effect to the single note or chord by changing the amplitude (volume) of the signal, by a variation determined by the user. The Pedal allows control of both the signal depth and rate of the speed variation. On a technical note, a sine wave is applied to a Voltage-Controlled Amplifier, which affects the signal from the Guitar. It's the Frequency and Amplitude of the sine wave - which the controls alter - that effects both the rate and depth.
3. Overdrive and Distortion
These Pedals amplify the guitar signal to the point where the sound produced is anything between a warm rich 'clipped' sound to a dirty or gritty tone. The number of controls, and hence the available tone variations, vary from pedal to pedal from just a few simple pots and a footswitch, to more complex versions incorporating Tone Shaping facilities.
4. Wah Wah
Another extremely well known Pedal. This produces an effect, which sounds similar to a human voice saying - yep you've guessed it 'wah'. The effect is produced by a foot pedal in the form of a rocking treadle, and is great for enhancing your lead or rhythmic playing.
Getting a bit technical again, the Wah effect is produced by a low-pass filter whose cut-off frequency is control by the foot pedal. Interestingly, this type of low-pass filter is used often in modern Dance or Trance type music where the high frequencies of the song are gradually filtered out until only a kind of muffled beat is left. The effect is then gradually reversed until all frequencies are restored again.
5. Phaser
Finally the fifth pedal for this article is the Phaser, and is probably the best known. Basically, two signals are produced from the Guitar signal going in, and then they are mixed together but slightly out of phase. This is what produces the Phasing effect.

Conclusion
Guitarist set up their effect pedals in two ways. By use of mutli-effects Units that have various types of Guitar Effects in one 'box' - which range in price depending on the facilities available. However, as most are now microprocessor controlled, huge variations of range of tone and parameter are at the guitarist's disposal.
The second method is where individual pedals are 'daisy chained' together by short cables. Many guitarists have favourite individual pedals, which they prefer and know very well, therefore they adopt this method. Also, if you are on a low budget, pedals can be bought separately as time goes by, and added to the chain. The downturn is that the set-up time takes longer and more cables are involved (which always seem to go wrong at the gig).

There are literally hundreds of types of each pedal mentioned, which can be a logistical nightmare for the Guitarist looking to buy. If you would like more information on what's available on the market today, then YouTube is a great online place to visit to gain information on just about every pedal on the market, plus you will be able to watch and hear each pedal in action.

The Most Important Guitar Effects Pedals for Aspiring Rock Musicians asssss

There are a mind boggling amount of guitar effects pedals about and they come in all different shapes and sizes. What is an effect pedal you may ask? An effect pedal is a device that is put between your guitar and the amplifier to alter the output sound. A pedal is made up of numerous components put into a case. The sounds that you can achieve from various effect pedals are quite extraordinary.
Guitarists today use more effects than ever and are evident to the sounds of bands such as Pink Floyd and U2. Numerous effect pedals are used in succession to complicate the sound. There are two main pedals out there. One is the multi effects processors and these contain numerous built into a single device. Alternatively, individual pedals focus on giving you one sound and not more than two. Such pedals involve you playing around with settings in order to get your intended sound. Many amplifiers these days have built-in sounds for you to use but they are not as versatile as pedals. This is because it is hard to utilize more than one sound simultaneously on amps.

Pedals cost from $60 or £40 upwards and include a broad range of prices. Specialist brands include Boss, Marshall, Pete Cornish, Electro Harmonic, Yahama, Dunlop and Digitech. As a budding guitarist, you could easily wipe your bank account clean upon purchasing guitar effects pedals due to the countless variety out there. What I recommend is that you only purchase one pedal for each main sound.
Recommended guitar effect pedals
Delay and Reverb sounds give a strong echo sound and is great if you are really playing live. This sounds professional like and is very convincing. Distortion and gain guitar effects pedals are widely used with electric guitars and are certainly used in lead and solo guitar playing. This adds crunch and meat to your sound and certainly does sound sweet. As stated previously, multi effects processors are a great for beginners as they have access to all the different possibilities right in front of them. All of these mentioned are the essential pedals that you must have in order to sound great.

After you have gotten hold of the main pedals, you may want to look for a few more to sound even great! A wah-wah effect allows the sound pitch to be constantly changed through the use of a pedal. This was heavily utilized by Jimi Hendrix. Added effects include Flanger, Chorus and Phase shifter also know as a uni-vibe. These pedals sound slightly similar to each other, however they do sound beautiful. Chorus and Flanger pedals sound very sweet and made famous by David Gilmour and created the sounds of Pink Floyd. Most of these sound best with little to no gain or distortion.