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How to fix common faults of swing gate turnstiles?

The swing gate turnstile ( pasillo óptico motorizado) is a common pedestrian gate in the access control system, and its main purpose is to control the entry and exit of people. So, what is the working principle of the swing turnstile? How to repair common faults?

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1. Working principle of the swing turnstile.


The core of the swing turnstile is the swing gate motor, which is a DC motor, and its working principle is similar to that of an ordinary DC motor. The swing turnstile motor is composed of a motor body, a reducer, a transmission device and a limit switch to realize the control of the swing turnstile in the access control system.


The working process of the swing gate motor includes steps such as receiving signals, starting the motor, motion control, detecting status and ending operations. By understanding the swing gate motor, we can better understand the working principle of the access control system, so as to better repair the scene faults of the swing turnstile.


2. Detailed explanation of the operation mechanism of the swing turnstile motor.


Step 1: Signal reception and processing


Authentication: Users are authenticated through identity recognition devices such as access control card readers.


Information transmission: Identity information is transmitted to the controller of the control system.


Authority judgment: The controller determines whether the user has access authority based on the identity information and sends the corresponding instructions to the motor.


Step 2: Motor activation


Command response: The motor receives the start signal from the controller.


Power start: The motor starts immediately and generates power.


Step 3: Power conversion and motion regulation


Deceleration and transmission: The rapid rotation of the motor is converted into a smooth low-speed rotation of the swing gate through the deceleration mechanism.


Motion restriction: The limit switch ensures that the swing turnstile operates within the predetermined range of motion to prevent it from exceeding the safety limit.


Step 4: Status monitoring and feedback


Position detection: When the swing turnstile reaches the fully open or closed position, the limit switch performs detection.


Information feedback: The limit switch feeds back the current state of the swing turnstile to the controller for the next operation.


Step 5: Operation completion and standby


Passage allowed: The user passes through the channel after the swing turnstile is opened.


Automatic reset: After the user passes, the motor drives the swing turnstile back to the original position, and the system enters standby state, ready to respond to the next passage request.


3. New analysis of common troubleshooting and repair strategies for swing turnstiles.


Fault scenario 1: No response to card swiping


Fault identification: First, verify whether the infrared anti-radiation system of the swing turnstile is correctly aligned to ensure that the system can send the correct alarm signal when the card is not swiped.


Solution: If the gate can be opened by externally shorting Enter Com, the wiring of the access control system needs to be thoroughly checked.


Fault scenario 2: Automatic gate opening without card


Fault identification: Check whether the access mode of the swing turnstile is set to "normally closed two-way card swiping" to avoid cardless access.


Solution: Adjust to the correct access mode through the system menu.


Fault scenario 3: False alarm after card swiping


Fault identification: The access control signal line may be connected in reverse, resulting in an erroneous system response after card swiping.


Solution: The Enter and Exit signal lines on the main board need to be swapped.


Fault scenario 4: Indicator light failure


Fault identification: Check whether the mainboard wiring terminals are loose, which may be the reason why the indicator light is not on.


Solution: Move the indicator light to another swing turnstile for functional testing.


Fault scenario 5: Single-side gate does not move


Fault identification: Check whether the motor wiring is firm and whether the online network cable is correctly connected.


Solution: After power off, recheck and make sure all wiring is correct.


Fault scenario 6: Inconsistent gate movement


Fault identification: The wiring of the mainboard limit port may be loose, or the online network cable is not correctly connected.


Solution: Make sure all wiring is accurate and make necessary adjustments.


Fault scenario 7: Motor idling problem


Fault identification: The mainboard wiring may be loose, or there is a problem with the online network cable connection.


Solution: Check and fix all loose wiring and ensure that the network cable is connected correctly.


Fault scenario 8: The swing arm cannot be completely closed


Fault identification: The limit switch may not work correctly, causing the swing arm to be unable to be completely closed.


Solution: Check the power supply of the limit switch and adjust the limit pointer.


Fault scenario 9: Abnormal swing arm opening angle


Fault identification: The swing arm may be offset due to impact, or the limit pointer is loose.


Solution: Re-adjust the position of the swing arm and limit pointer.


IV. Key points for fault repair and optimization


Fault diagnosis: Use professional detection tools to accurately identify faults.


Tools and materials: Prepare a complete set of repair tools and necessary materials to meet different repair needs.


Safe operation: During the repair process, always follow the safe operating procedures to avoid accidental injuries.


Effect confirmation: After the repair is completed, conduct a comprehensive inspection and test of the equipment to ensure that the problem is completely resolved.