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Specification & Description
| Specification | Description |
|---|---|
| Part Number | AL-20MT-D |
| Alternative Part Number | AL20MTD |
| Manufacturer | Mitsubishi |
| Power Supply | 24V DC, Sink/Source |
| Input Type | 12 points |
| Output Type | Transistor (8 points) |
| Dimensions | 124.6 x 90 x 55 mm |
| Weight | Approximately 0.32 kg without special function modules |
| Programming Method | Function Block Method |
| Programme Capacity | 64 function blocks or 1500 bytes |
| Programme Storage | EEPROM (no battery required) or optional EEPROM cassette |
| Real-Time Clock Backup | 20 days at 25°C (capacitor) |
| Real-Time Clock Accuracy | 5 seconds/day |
| Operating Temperature | 0 - 55 °C |
| Storage Temperature | -30 - 70 °C |
| Vibration Resistance | Complies with IEC 68-2-6; 10-57 Hz: 0.15 mm constant amplitude, 57-150 Hz: 19.6 m/s² acceleration |
| Shock Resistance | Complies with IEC 68-2-27: 147m/s² acceleration, action time: 11 ms |
| Humidity | 35 - 85% Relative Humidity, non-condensing |
The Mitsubishi AL-20MT-D is a compact and versatile programmable logic controller (PLC) designed to streamline automation processes in a variety of industrial settings. This model is part of the highly regarded Alpha series, known for its reliability and ease of use. The AL-20MT-D is equipped with 12 inputs and 8 transistor outputs, offering a sink/source configuration that provides flexibility for direct or indirect current applications.
With a power supply requirement of 24V DC, this controller is suitable for low voltage operations and is engineered to withstand a range of industrial environments. Its compact dimensions make it an ideal choice for applications where space is at a premium, yet it does not compromise on performance or functionality.
The controller's programming is facilitated through a function block method, allowing for up to 64 function blocks or 1500 bytes of programming capacity. The AL-20MT-D utilises EEPROM for program storage, ensuring that your programmes are retained without the need for a backup battery.
The AL-20MT-D is designed to operate within a temperature range of 0 - 55 °C, making it robust enough to handle the demanding conditions of industrial sites. Additionally, it boasts a solid resistance to vibrations and shocks, adhering to stringent international standards, which ensures sustained performance and durability over time.
This PLC is an excellent choice for those seeking a reliable and efficient control solution for their automation needs, offering a blend of performance, durability, and adaptability.
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Frequently Asked Questions
What are the power requirements for this controller?
The controller requires a power supply of 100 - 240V AC, with a frequency of 50 - 60 Hz, or a 24V DC power supply with a tolerance of +20% -15%.
Can this controller be mounted on a DIN rail?
Yes, the controller is designed for DIN rail mounting, conforming to the standard DIN 43880.
What type of inputs and outputs does this controller have?
The controller features both relay and transistor outputs, with sink/source inputs, providing flexibility for various signalling and load requirements.
What is the typical power consumption of this controller?
Typical power consumption for the AL-20MT-D model is 5.0 W when all inputs and outputs are active, and 0.3 W when they are inactive.
What are the environmental operating conditions for this controller?
The controller operates within a temperature range of 0 - 55 °C and should be stored in temperatures ranging from -30 to 70 °C. It is also designed to withstand vibrations and shocks within specified limits.
How is the programming capacity of the controller defined?
The controller's programming capacity is defined by the number of function blocks it can handle, which is 64, or by the total memory in bytes, which is 1500.
Does the controller have a real-time clock, and how accurate is it?
Yes, the controller includes a real-time clock with an accuracy of ±5 seconds per day.
What is the method of programming for this controller?
The controller is programmed using the function block method, which allows for structured and organised control logic.
How are the programmes and data retained in the controller?
Programmes and data are retained in the controller through EEPROM, which does not require a battery, or an optional EEPROM cassette.
What is the maximum momentary power failure time the controller can handle?
The controller can handle a maximum momentary power failure time of 10 ms for AC power supplies and 5 ms for DC power supplies.
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