Product Overview: Mitsubishi Q2ASCPU
The Mitsubishi Q2ASCPU is a high-performance central processing unit (CPU) for the MELSEC-AnS (Small-type) modular PLC series. Engineered to bridge the gap between compact micro-controllers and large-scale industrial systems, the Q2ASCPU offers a robust set of instructions and significant memory capacity. It is primarily used in automotive assembly lines, automated sorting systems, and specialized production machinery where reliable logic execution and long-term stability are mandatory.
Advanced Logic Processing and Memory
The Q2ASCPU features a program capacity of 28,000 steps, allowing for complex sequence control and extensive data handling. With a basic instruction execution speed of 0.15 microseconds, it ensures rapid response times for critical automation tasks. The module supports a total of 1024 I/O points (direct and remote combined), making it suitable for mid-sized factory floor applications. Its integrated communication ports facilitate easy programming via GX Developer or GX Works2 software, ensuring that maintenance teams can perform rapid diagnostics and logic updates.
Key Technical Characteristics
- Part Number: Q2ASCPU.
- Series: MELSEC-AnS / QnAS.
- Program Capacity: 28k Steps.
- Instruction Speed: 0.15 µs (Basic instruction).
- I/O Points: 1024 Points.
- Memory Type: RAM (standard), Flash ROM/EEPROM (optional).
- Communication: Integrated RS-232C port.
- Internal Current: 0.23 A (at 5V DC).
Industrial Reliability and Safety
The Q2ASCPU is designed for high-availability environments. It includes an integrated real-time clock (RTC) and comprehensive self-diagnostic functions that monitor watchdog timers, memory errors, and battery voltage. In the event of an error, the CPU can be configured to halt the process safely or signal an alarm to the HMI. Its compact design allows for high-density mounting on the A1S38B base unit, saving valuable space in the control cabinet.
| Feature | Detail |
| Mass | 0.30 kg |
| Battery | A6BAT (Replace every 5 years) |
| Max Extension | Up to 3 extension base units |
Frequently Asked Questions
Can I use modern Q-series modules with this CPU? No, the Q2ASCPU is specific to the AnS (Small-type) backplane and modules. What is the maximum program size? The internal RAM supports up to 28,000 steps.
¿Necesita más referencias de esta marca? Explore nuestro catálogo completo de Mitsubishi aquí.
