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There are three main types of elevator controllers: the relay-based controller, the microcontroller-based elevator controller, and the elevator controller board. The first two types of elevator controllers are mostly used in hydraulic and traction elevators, while the last one is used in modern elevators.
The main feature of an elevator controller is to command the lifts up and down movement. The controller does this by sending signals to the elevator motor and other parts like the door and brakes. Here are some of the vital features of the elevator controller:
Microprocessor Controller
The microprocessor controller is the brain of the elevator system. It controls all the lift's activities and records them. It receives commands from the push buttons in the lift and the ones in the floor. The microprocessor then sends signals to the motor to carry out the command. Different types of microprocessor controllers include VVVF, Relay-based, and V3F drives.
Group Control System
This system is for buildings with more than one elevator. It distributes the calls among the lifts to ensure all of them are used efficiently. The group control system has a master controller that monitors all the elevators and their calls. It makes sure each lift goes to the requested floor as quickly as possible. This system also allows for the automatic rescue of passengers in case they get stuck.
Digital Display and Landing Control
The digital display controller manages the landing calls and directs the elevator to the requested floor. It also displays the lift's current location and the requested floors. The landing control system includes an intelligent control system that anticipates and responds to user demands. It increases the elevator's efficiency and reduces wait times.
Door Control System
The elevator controller also controls the opening and closing of the lift door. It sends signals to the motor to open or close the door when the lift reaches the floor. It can also control the doors of more than one elevator in a building.
Emergency Control and Safety Features
The elevator controller has a safety feature that automatically activates the emergency brakes if it senses there is a malfunction. It can also stop the lift in the middle and open the door for passengers to exit in case of an emergency.
There are many scenarios where elevator controllers are used. Here are a few of them:
Commercial Buildings
In commercial buildings, like offices, malls, and hotels, elevator controllers are very important. They help manage many elevators at the same time. These controllers take care of requests from people using the elevators. They make sure the elevators are going to the right floors quickly. The controllers also balance the workload between different elevators. This makes the elevators in commercial buildings work smoothly and efficiently.
Smart Buildings
Smart buildings use advanced technology to control everything automatically. The elevator controllers in these buildings are high-tech. They can connect with other smart systems in the building. For example, if the security system gives the elevator a request for a specific floor, the elevator can go there right away. These smart elevator controllers improve convenience and save energy in smart buildings.
Hospitals
Hospitals have a lot of patients, staff, and supplies moving around. So, they need elevators that work reliably. The controllers used in hospital elevators are very specialized. They are able to prioritize emergency calls from hospital staff. For instance, if a doctor presses the button, the elevator will come immediately. These controllers help move patients, medical supplies, and staff quickly and safely.
High-Rise Buildings
High-rise buildings have very tall structures. So, their elevators travel long distances. The controllers used in these elevators are advanced. They have special algorithms to manage long trips. These controllers ensure the elevators are stable and can reach high speeds. They also make sure people using the elevators have a comfortable ride.
Residential Buildings
In residential buildings, the elevator controllers are simple but very reliable. They make sure the elevators go to the right floors at the right time. They also make the elevators run quietly and smoothly. This gives residents a pleasant experience when using the elevator.
Freight Elevators
Freight elevators carry heavy loads of goods. Their elevator controllers are very strong. These controllers ensure that the elevators travel safely, especially when carrying very heavy loads. They also make sure the elevators don't shake or make sudden stops while in transit.
Wholesale elevator companies should consider a number of factors when choosing an elevator controller for their clients. Some of the factors to consider are:
The type of elevator
The kind of elevator will determine what kind of elevator controller will be needed. Hydraulic lifts, for example, will need different controllers than traction elevators. The controller must be compatible with the kind of elevator being installed.
The capacity and speed of the elevator
The controller should be able to manage the elevator's capacity, which is usually measured in kilograms or pounds. Also, the speed of the elevator, which is usually measured in meters per second or feet per second, should be considered. A lift for a bigger building that travels faster will need a more powerful controller.
Safety features
Safety should be the main thing on one's mind when buying an elevator controller. Look for features like emergency stop, door sensors, overload protection, and safety circuit connections. These features will help ensure the safe operation of the elevator. Also, choose controllers with safety features like emergency rescue, diagnostic tools, and automatic leveling.
Customization options
Some customers will want their elevators to have special features, so it is important to get a controller that can be customized. Look for controllers that allow customization of the control panel, landing calls, and elevator parameters. This will make the elevators meet different customers' unique needs.
Ease of installation and maintenance
It is important to select an elevator controller that is easy to install and maintain. This will save a lot of time and money. Look for controllers that have clear wiring diagrams, simple setups, and user-friendly interfaces for easy maintenance and installation.
Cost considerations
When buying an elevator controller in bulk, it is important to consider the costs. Look for a controller that has a good balance of features and performance at a reasonable price. This will ensure profitability for the business while still meeting the needs of customers.
Q1. What is an elevator PLC?
A1. PLC is a Programmable Logic Controller. It's a computer-based control system designed for automation in the elevator industry. It offers advanced features like reliability, flexibility, and the ability to handle complex tasks. It replaces traditional relay-based systems, making the elevator controller more efficient and easier to program.
Q2. What is the main function of an elevator controller?
A2. The elevator controller is the brain of the elevator system. Its main functions include calling the lift to a specific floor, sending the lift to the requested floor, managing the doors by opening them at the correct floors, and ensuring the smooth and safe operation of the lift's movements.
Q3. What is the average lead time for elevator controllers?
A3. The lead time for elevator controllers can vary depending on several factors, such as order size and supplier location. Typically, the lead time can range from a few weeks to several weeks. It's advisable to contact the supplier directly to get specific information regarding lead time.
Q4. What are the payment terms for ordering elevator controllers?
A4. Commonly, the payment terms for ordering elevator controllers are 30% deposit and 70% balance paid before delivery. However, payment terms can vary depending on the supplier and order size. It's recommended to review the terms and conditions before placing an order.
Q5. What are the minimum order quantities for elevator controllers?
A5. The minimum order quantity (MOQ) for elevator controllers varies from one supplier to another. Some may have an MOQ of 1 piece, while others may have an MOQ of 50 pieces or more. In case of a higher MOQ, some suppliers may offer a discount based on the number of units ordered.