Speaking of CNC plasma cutting machines, many people first consider the problem may be the power supply, then in the choice of power supply is not taking into account the power of the response speed, because this directly affects the smoothness of the surface of the cut product, Cutting speed, efficiency and a series of problems. Features of swipe card electronic lock Swipe Door Lock,Door Lock With Swipe Card,Door Lock Swipe Card,Door Locks With Card Swipe Dongguan Kaisijin Intelligent Technology Co., Ltd , https://www.dgoemsmartlock.com
With the advent of all-digital AC servo systems, AC servo motors are also increasingly used in digital control systems. In order to adapt to the development trend of digital control, most of the motion control systems use stepper motors or all-digital AC servo motors as the execution motors.
Both servo and AC motors are similar in control mode (pulse train and direction signal), but there is a big difference in performance and application. Now compare the performance of the two.
Speed ​​response performance Different stepper motors require 200 to 400 milliseconds to accelerate from standstill to operating speed (typically several hundred revolutions per minute). Acceleration performance of the AC servo system is better. Take the Panasonic MSMA 400W AC servo motor as an example. Acceleration from standstill to its rated speed of 3000 RPM takes only a few milliseconds. It can be used in control applications requiring fast start-stop.
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1. The card-swiping electronic lock has the characteristics of high integration, quietness, good power-saving stability, easy maintenance, and wide application range;
2. The functional circuits are all designed into the lock body, the shell is protected by metal, and the external tamper-proof lock head can resist general violent damage. The lock body is divided into two parts: the circuit board and the mechanical shell, which is easy to replace and maintain;
3. The card-swiping electronic lock can be unlocked by electronic control, and the frequency of unlocking is not affected; the multi-user card-reading key can be managed separately, and the card-reading key can be individually cancelled or added without replacing it all;
4. Attach a UPS backup battery device to ensure that the Electric Lock can still work normally after 30 hours of power outage, and automatically complete charging and low battery protection;
5. An additional remote control unlocking device can be remotely controlled within 100 meters;
6. The operating host is separated from the card reader, and it has dual alarms for not closing the door and tamper-proof lock, effectively deterring suspicious persons. Better safety and destructive resistance;
7. Complete supporting facilities, easy to install and use, just buy it and use it.