WESDAC D20ME II: Advanced control processor module
summarize
The WESDAC D20ME II is a high-performance central processing unit module from GE Digital Energy for the D20 series substation controller platform. As a sixth-generation main processor, the D20ME II is designed for highly reliable and efficient data processing for large-scale SCADA and automation projects.

peculiarity
32-bit microprocessor architecture: provides powerful data processing capabilities.
Mass storage: Includes 2 MB flash application memory, 1.5 MB SRAM, 512 KB NVRAM, and 1 MB BootROM.
High precision clock: TCXO clock, 1.0 ms resolution, accuracy up to ±2 ppm.
Rich communication interfaces: 7 RS-232/485 serial ports, 2 D.20 Link HDLC ports, and wireless Ethernet-ready functionality.
Technical specification
Control power supply: nominal 25 VA, maximum 35 VA.
Insulation voltage: 300 volts.
Communication protocol: Support Modbus RTU or DNP 3.0.
Data record storage: Capable of storing 2 to 16 events with 2048 to 256 data samples per event.
Waveform capture sampling rate: 16 samples per cycle.
Operating temperature range: -40°C to 70°C.
Application field
The WESDAC D20ME II module is suitable for a variety of industrial automation and control fields, especially in applications requiring high-speed data processing and real-time control logic execution.

conclusion
The WESDAC D20ME II is the core component of the D20 substation controller platform with its advanced microprocessor architecture, large capacity storage, high-precision clock and multiple communication interfaces. It provides reliable and efficient data acquisition and control solutions for many fields such as industrial automation, energy management and environmental monitoring

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