Mitsubishi Q02CPU
€ 175,00
Mitsubishi repareren bij Cirele is:
• Duidelijke tarieven zonder onverwachte kosten
• Betaling pas na geslaagde reparatie
• Proactieve vervanging van tijdgevoelige onderdelen
• Gedetailleerd test- en reparatierapport wordt verstrekt
• 2 jaar garantie op alle reparaties
• Langdurige ondersteuning tot einde levensduur.
Mitsubishi Q02CPU – CPU Module
The Mitsubishi Q02CPU is a compact CPU module from the MELSEC System Q series, offering fast processing and reliable control for small to medium-sized industrial automation applications. It provides the core processing capability for controlling I/O modules, executing logic programs, and communicating with peripheral devices.
- Manufacturer: Mitsubishi Electric
- Model: Q02CPU
- Series: MELSEC System Q
- Type: CPU Module
- Program Memory: 32 k steps
- Processing Speed: 0.1 µs per instruction (basic instructions)
- Memory Capacity: 64 kB (RAM), 128 kB (Flash ROM)
- I/O Points: Max. 2048 points
- Number of Programs: 1 program (main program + subroutines)
- Communication Ports: 1 x RS-232 (programming or external device connection)
- Expansion: Supports special function and intelligent modules
- Mounting: Base rack installation
- Power Supply: Via base rack and external power module
- Dimensions: Approx. 98 x 27.4 x 90 mm (H x W x D)
- Weight: Approx. 150 g
- Operating Temperature: 0°C to +55°C
- Compliance: CE, UL, RoHS
The Q02CPU offers a balance of performance and scalability, making it suitable for applications ranging from simple machine control to more complex automation processes within the System Q architecture.
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Common defects
Common defects on a Mitsubishi Q02CPU are:
Power Supply & Hardware
- No power / PLC not starting
- Blown fuses or power components
- Faulty internal power supply module
- Overheating due to poor cooling or fan failure
- Damaged capacitors or power circuits
Input & Output (I/O) Failures
- Digital inputs not responding
- Analog inputs showing incorrect values
- Digital outputs not switching or stuck
- Burnt or damaged relay / transistor outputs
- I/O modules not recognized or defective
Communication Problems
- No communication with HMI or SCADA
- Network issues (Profibus, Profinet, Modbus, Ethernet/IP, CAN, etc.)
- Serial communication (RS232/RS485) failure
- Fieldbus module malfunction
- Outdated or incompatible firmware causing errors
Memory & Software Issues
- Lost parameters or corrupted programs (EEPROM/Flash failure)
- PLC loses program after power-down
- Firmware corruption or software errors
- Faulty or empty backup battery
- Errors during upload/download of program
CPU & Processing Errors
- PLC freezes or resets unexpectedly
- CPU not responding to commands
- Error messages during startup or runtime
- Watchdog timer faults or internal CPU errors
- Synchronization issues with other modules
Mechanical & Physical Damage
- Broken PCB tracks or connectors
- Corrosion due to moisture or chemicals
- Contamination from dust, oil, or dirt
- Burnt components or discolored boards
- Poor solder joints (dry joints)
Other Failures
- Faulty display or diagnostic LEDs
- Non-functional buttons or keypad
- Expansion modules not detected
- Defective internal clock or timers
- EMI/RFI noise due to damaged filters
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