Mitsubishi QY81P
Price range: € 75,00 through € 149,00
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 QY81P – Digital Output Module
The Mitsubishi QY81P is a digital output module from the MELSEC System Q series, designed for reliable signal transmission to field devices such as relays, lamps, and actuators. It offers fast switching performance and high output capacity, making it suitable for various industrial automation applications.
- Manufacturer: Mitsubishi Electric
- Model: QY81P
- Series: MELSEC System Q
- Type: Digital Output Module
- Output Points: 32 points
- Output Type: Transistor (source type)
- Rated Output Voltage: 24 V DC
- Rated Output Current: 0.5 A per point, max 4 A per common
- Response Time: ≤ 0.1 ms
- Common Terminal Configuration: 4 points/common
- Isolation: Photocoupler isolation per channel
- Connector Type: 40-pin connector (for external wiring)
- Mounting: Base rack installation
- Power Supply: Supplied via PLC backplane
- 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 QY81P module ensures fast and stable output control, making it ideal for precise actuation in industrial machines and automation systems.
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Common defects
Common defects on a Mitsubishi QY81P 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- Outdated or incompatible firmware causing errors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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