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How To Choose An Access Control System?

September 28 , 2022

How to choose an access control system?

The access control controller is the core of the access control system. It uses the combination of modern computer technology and various identification technologies to reflect an intelligent management method. The number of doors controlled by each controller can be divided into single-door controllers, double-door controllers, four-door controllers,s and multi-door controllers. The selection of access control controllers is very important. How to choose the correct access controller? ? What skills are there?


 1. Purchase an access controller with anti-crash and self-check circuit design

2. Access controller with three-level lightning protection circuit design

3. The design of the communication circuit should have a self-test function, which is suitable for the needs of large-scale system networking

4. Manufacturers need to provide authoritative quality certification


(1)Purchase an access controller with anti-crash and self-check circuit design

If the access controller crashes, the user will not be able to open or close the door, which will inconvenience the customer and increase the maintenance volume and maintenance cost of the engineer. The access controller must be installed with a reset chip or selected. CPU with reset function, generally 51 series CPU does not have reset function and needs to install reset chip. At the same time, it must have a self-check function. If the circuit crashes due to interference or abnormal conditions, the system can self-check and self-start instantly.


(2)Access controller with three-level lightning protection circuit design.

Since the communication lines of the access control controller are distributed and easily attacked by induction lightning, the access control controller must be designed for lightning protection. We recommend a three-level lightning protection design. First, the large current and high voltage generated by the lightning strike are released through the discharge tube, and the current and voltage entering the circuit are clamped through the inductance and resistance circuit. The residual current and voltage are then discharged at high speed through the TVS high-speed discharge tube before they cause damage to the circuit. The lightning protection index requires 4000V induction lightning for 50 consecutive times without damage to the equipment. If the lightning protection index is high, the anti-surge and anti-static ability of the equipment will be correspondingly high.

Wiring diagram.jpg


(3)The design of the communication circuit should have a self-test function, which is suitable for the needs of large-scale system networking.


If the control program is applied, it will undoubtedly increase the training cost and time of the engineer for the customer. The customer is not easy to master the operation of the software and will be angry at the service attitude of the engineer, which will have a bad impact on the collection and renewal of orders. If the customer does not understand the software, it is easy to cause misoperation, resulting in practical inconvenience. Therefore, we suggest that engineers must pay attention to whether the operation of the software is simple, intuitive, and convenient when choosing an access control controller. A one-sided emphasis on powerful functions is not suitable for promotion.

Door  access control.jpg

(4) Manufacturers need to provide authoritative quality certification

Manufacturers need to provide authoritative ISO9001 quality certification and product testing reports from government quality regulatory agencies. And take care to verify the authenticity of these documents. The quality of products with corresponding third-party certification and supervision will be guaranteed.


Our company got ISO9001 quality certification and other product testing reports from government quality regulatory agencies.


Whether you have any questions about purchasing or using it, you can call or email us at any time. Tel: +86 755 29450011  Email: sales@s4a-access.com


Author: Written by Ms.Anna Zhang from S4A INDUSTRIAL CO., LIMITED

Contact Us
  S4A-Security For All.S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customer...<
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    Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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