Description

DEIF PCM5-1 / CM51 Process Control Module – Wind Power Main Control Analog Quantity Process Control Module
Basic Information
Brand: DEIF – Denmark Danfoss, a specialized automation module for wind power
Standard model: PCM5-1, industry abbreviation PCM51, compatible with AWC 500 wind power complete controller system
Purpose: Closed-loop process regulation unit for wind turbine generators, collecting analog signals such as pitch change, hydraulic, temperature, and pressure from the wind turbine, and outputting continuous regulation control signals
Availability: New original inventory
Delivery time: Shipment within 3 working days after payment
Guarantee: 12 months
Condition: New original imported
Core hardware specifications Power supply

24VDC industrial DC power supply, wide voltage range of 18–32VDC, universal power supply for fan cabin/tower
Analog input AI channel
Multiple isolated analog inputs, compatible with standard industrial signals:
4–20mA / 0–20mA current; 0–10V / -10~+10V voltage; PT100 temperature sensor
Single-channel electrical isolation, with a withstand voltage of 1500VDC, eliminating ground loop interference from the cabin frequency converter
Analog output AO regulation channel
4–20mA / 0–10V standard regulation output, directly driving pitch proportional valve, hydraulic servo valve, cooling fan speed control mechanism
Output resolution 12Bit, full-scale accuracy ±0.1% FS
Digital DI/DO auxiliary channels
Integrated multi-channel 24VDC switch input / relay output, collecting limit switches, oil pressure switches, fault contacts, output audible and visual alarms, equipment start/stop instructions
Communication bus
Built-in DEIF AWC system-specific internal bus, real-time data interaction with AWC500 main control CPU; supports Modbus RTU RS485, can upload wind turbine process data to SCADA remote monitoring platform
Environment and installation
Operating temperature: -20℃ ~ +70℃, resistant to high/low temperature and vibration in the cabin
Protection: IP20, standard 35mm DIN rail cabinet installation
Humidity: 5%–95% RH without condensation, tolerant to marine salt spray environment (marine wind turbine model with anti-corrosion coating)
Panel indicators
LED indicators for power supply, bus communication, channel faults, quickly locating disconnected, short-circuited, and over-range faults
Core functional features
Wind turbine-specific closed-loop PID regulation
Built-in independent hardware PID calculation, does not occupy the main control CPU resources, achieving:
Constant speed closed-loop control of pitch (stable generator frequency during wind speed fluctuations)
Constant temperature regulation of cabin hydraulic station pressure and oil temperature
Automatic speed regulation of gearbox cooling system temperature
Full-channel real-time self-diagnosis
Continuous detection of sensor breakage, circuit short-circuit, and signal over-limit; fault codes are uploaded to the on-site computer of the fan for operation monitoring, eliminating the need for on-site multimeter point-by-point measurement