Zhengzhou Branch source Electronic Technology Co., Ltd. is an industry expert in the field of consumer card, the company is committed to the development of IC smart card "card" and RFID radio frequency systems and intelligent water saving product development, production and sales for clients on smart card "Card "and monitoring the series of comprehensive solutions. Involving: business card, campus card, the district card. Its applications include: Dining Hall, water management, the control fingerprint access control, time and attendance management, savings and consumption, patrol system, membership management, water charges and other applications. We provide consumer devices in the control f2 Zhengzhou wholesale access, stable performance, quality assurance, reasonable price, cooperate with us is your first. Controls the access control is China's best-selling brand of access control access control, access control installation choose Shuntong access control, door passed! Using a drag of a power supply, a normal access by one lock the door, but the installation of an access control to die, did not respond to unlock the card, each access control machine has a signal line connected to the lock, probably because two Article access control signal lines and shorted together. I heard that the installation of a relay can solve this problem, I do not know how loaded on electronics do not quite understand, ask God to solve large, as shown now installed! Blue signal line, usually to 17V, charge card door is low in Henan wholesale access control f2, measured with a multimeter seems to be 5V or less! Zhengzhou Branch source Electronic Technology Co., Ltd. is an industry expert in the field of consumer card, the company is committed to the development of IC smart card "card" and RFID radio frequency systems and intelligent water saving product development, production and sales f2 control attendance access wholesale Zhengzhou to provide customers with comprehensive solutions on smart card "Card" and monitor the family. Electronically controlled lock installation requirements can not simply lock the door smoothly, such as when there is no obvious loose movement yin and yang lock should be able to shut the door lock; latch or lock Clips should be locked in the corresponding flush door or door shaft ; magnetic lock closing should not feel strong when there is a significant impact, if fitted better closers. Access Control controls the f2 Henan wholesale | Access control | [Kim] Comet (View) provided by the Bureau of Zhengzhou City, the source Electronic Technology Co., Ltd. Zhengzhou City Branch source Electronic Technology Co., Ltd. (ysh119.china.b2b.cn/) strong, credible, in Zhengzhou, Henan attendance machine industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zhengzhou Branch into the brilliant and you work for a better future!