PQMLL T20

Description

PQMLL T20

1. Parameter Specifications

• Power Supply: The PQMLL T20 typically operates on a 24V DC power supply, with a power consumption of around 10 – 15W. This power supply setup is common in industrial environments, providing stable energy for the device’s operation.
• Input/Output Configuration:
  • Digital Inputs: It is equipped with 20 digital inputs. These can receive signals from a wide range of digital sensors, such as proximity sensors, limit switches, and opto – isolators. The input voltage range is 5 – 24V DC, allowing for flexibility in sensor selection.
  • Digital Outputs: There are 10 digital outputs. Each output can drive a load with a maximum current of 1A, suitable for controlling relays, solenoids, and small – power actuators.
  • Analog Inputs: There are 4 analog inputs. They can accept signals in the ranges of 0 – 10V or 4 – 20mA, with a 12 – bit resolution for accurate measurement of physical quantities like temperature, pressure, and flow.
  • Analog Outputs: 2 analog outputs are available, capable of outputting signals in the same ranges as the analog inputs for precise analog control.
• Communication Interfaces: It supports an Ethernet interface for high – speed data transfer and integration into industrial networks. Additionally, it has an RS – 485 serial port with Modbus RTU support for communication with other Modbus – compatible devices.

2. Applications

• Industrial Automation: In industrial manufacturing, the PQMLL T20 can control and monitor complex production lines. It can manage the operation of multiple machines, coordinate the movement of materials on conveyor belts, and ensure the quality and efficiency of the production process. For example, in an automotive assembly line, it can control robotic arms and monitor the status of various sensors.
• Building Automation: In commercial buildings, it can be involved in building management systems. It can control HVAC systems, lighting systems, and access control systems, optimizing energy consumption and providing a comfortable and secure environment.
• Process Control: In process industries such as chemical, food, and beverage production, it can monitor and control process variables such as temperature, pressure, and flow rate. It can implement control algorithms to maintain the desired process conditions and ensure product quality.

3. Weight and Dimensions

• Weight: The module weighs about 0.6 kg, which is relatively light and easy to install and handle.
• Dimensions: The overall dimensions are: length – 150mm, width – 110mm, height – 35mm. Its compact size allows for installation in standard industrial control cabinets.

4. Features

• High – Speed Communication: The Ethernet interface enables fast data transfer, allowing for real – time monitoring and control of industrial processes. The Modbus RTU support on the RS – 485 port provides flexibility in communicating with legacy devices.
• Flexible I/O Configuration: The combination of digital and analog inputs and outputs provides flexibility in system design, allowing for customization according to different application requirements.
• User – Friendly Configuration: It has an intuitive configuration process, which can be easily understood and implemented by technicians and engineers.

5. Stability and Reliability

• Robust Construction: The module is housed in a durable plastic enclosure that provides protection against dust, moisture, and mechanical vibrations. This ensures stable operation in harsh industrial environments.
• Fault – Tolerant Design: It is designed with built – in protection mechanisms such as over – current protection, short – circuit protection, and over – voltage protection. These features safeguard the module from electrical faults and extend its service life.
• Quality Assurance: Through strict quality control during manufacturing and the use of high – quality components, the PQMLL T20 offers long – term reliable operation.

6. Real – world Examples

• Automotive Assembly Line: In an automotive assembly line, the PQMLL T20 controls the operation of robotic arms. It receives input signals from sensors that detect the position of car parts and sends output signals to control the movement and operation of the robotic arms, ensuring accurate assembly.
• Water Treatment Plant: In a water treatment plant, it monitors and controls the water purification process. It measures the water quality parameters such as pH, turbidity, and chlorine levels through analog sensors and controls the dosing of chemicals and the operation of pumps and valves via digital and analog outputs to maintain the desired water quality standards.

PQMLL T20