The DEIF PCM4.3 (2044230081A/2044230080A) is a high-performance Power and Control Module designed as the primary CPU for the AWC 400 (Advanced Wind Control) system architecture. Engineered for extreme reliability in renewable energy applications, specifically wind turbines, this module manages complex application logic, fieldbus communications, and real-time process monitoring. It features an integrated Linux-based operating system and supports standard IEC 61131-3 programming, making it a flexible hub for decentralized power management.
Product Specifications
Technical Parameters
- Model Identification: PCM4.3 (Part of AWC 400 Series)
- Manufacturer: DEIF
- Processor: 180 MHz High-Speed Industrial CPU
- Operating System: Linux 2.6
- Memory: 64 MB SDRAM / 16 MB Flash / 32 KB non-volatile RAM
- Communication Interfaces:
- 3 x Independent CAN bus lines (125/250 kbps)
- 1 x ARCNET port (2.5 Mbit)
- 1 x Ethernet port (10/100 Mbit)
- 1 x RS-422/485 serial port
- Programming Languages: ANSI C/C++, CODESYS V2.3 (IEC 61131-3)
- I/O Capability: 1 Digital relay output (24VDC 8A), 4 Digital inputs
Physical Datasheet
- Dimensions: Width: 8TE (40.64 mm) x Standard AWC 400 Height
- Weight: 0.48 kg (approximate)
- Country of Origin: Denmark
- Operating Temperature: -25°C to +70°C
- Protection Class: IP20 (IEC 60529)
Application Fields
The PCM4.3 is predominantly used in energy-intensive and critical power environments:
- Wind Power Plants: Main control unit for wind turbine logic and grid integration.
- Generator Control: Managing differential current protection and synchronization in three-phase systems.
- Power Management Systems (PMS): Coordinating multiple power sources in hybrid or microgrid setups.
- Marine Electrical Systems: Decentralized I/O control and monitoring on commercial vessels.
Product Usage Instructions
- Hardware Installation: The PCM4.3 is a rack-mounted module. Ensure the AWC 400 rack is powered off before insertion. Align the module with the slot and secure the faceplate screws to 0.5 N·m torque.
- Power Supply: The module requires a stabilized 18–36V DC power input. Check the “Power” LED on the front panel to confirm stable voltage delivery.
- Communication Setup: Use the Ethernet or USB service interface for initial configuration. Ensure all CAN and ARCNET buses are properly terminated with matching impedance resistors to prevent data reflection.
- Software Loading: Applications are typically developed in CODESYS or C++. Use the DEIF Utility Software (USW) for firmware updates and to download project files to the non-volatile memory.
- Environmental Monitoring: For installations in high-vibration environments (e.g., wind turbine nacelles), ensure the rack mounting complies with DNV Class A+C vibration standards to maintain longevity.
Q&A – Frequently Asked Questions
Q: Can the PCM4.3 module be used as an extension unit? A: The PCM4.3 is typically the main CPU. For extension racks, DEIF often utilizes the PCM4.4 module, which acts as a slave controller connected via the ARCNET bus.
Q: What programming environments are supported? A: It natively supports IEC 61131-3 languages (LD, FBD, ST, etc.) through CODESYS, as well as high-level C/C++ for custom algorithmic tasks.
Q: How can I order a replacement or request a technical datasheet? A: For stock availability, 365-day warranty details, and formal quotations, you can reach out via our DEIF PCM4.3 Technical Resource Center.
Product Related News
As of 2026, DEIF’s PCM4.3 series remains a critical component in the global shift toward “Smart Grid” wind farm operations. While newer quad-core processors like the PCM3.3 have entered the market for high-end applications, the PCM4.3 continues to be the preferred choice for standardized wind power plant applications due to its proven stability in extreme climate conditions. Recent updates to DEIF’s firmware have introduced enhanced cybersecurity features for the PCM4.3, protecting decentralized power assets from unauthorized network access. Furthermore, as many wind farms reach their 15-20 year service marks, the demand for original PCM4.3 modules has surged as part of “Life Extension” maintenance contracts aimed at maximizing the ROI of existing renewable infrastructure.
