GE WESDAC D20ME 18-MAR-13 is the sixth-generation core CPU module of GE D20 WESDAC RTU platform, executes local logic, collects field data, supports multi power communication protocols for substation automation and SCADA system.

Product Overview

GE WESDAC D20ME 18-MAR-13 is the main processor module for GE WESDAC D20 / D200 RTU system, 18-MAR-13 represents the hardware revision date. As the core control board of the D20 platform, it undertakes real-time data acquisition, logic calculation, sequence of event recording and communication interaction with SCADA host. It can connect with distributed I/O modules and various field IED devices, widely used as critical spare part for power substation automation renovation and maintenance.

Key Features

• 32-bit high-performance processor, stable real-time logic operation
• Equipped with multiple RS232 / RS485 serial ports and dedicated maintenance port
• Dual D.20 Link bus interfaces for extended distributed I/O racks
• Supports mainstream power protocols: DNP3, Modbus, IEC 60870-5-104
• Built-in NVRAM for event and parameter data retention after power off
• Onboard status LED indicators for rapid fault inspection
• VME plug-in structure, easy installation and replacement in D20 chassis

• Designed for substation cabinet environment with strong anti-interference capability

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Technical Specifications

• Model: WESDAC D20ME
• Revision Date: 18-MAR-13
• Brand: GE
• Type: Main Processor / CPU Module
• Compatible Platform: GE D20, D200 WESDAC RTU
• Memory: 2MB Flash, 1.5MB SRAM, 512KB NVRAM
• Communication: 7 x RS232/RS485, D.20 Link bus
• Mounting: VME card for D20 rack

• Operating Temperature: -10℃ ~ +60℃

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Application

Power substation SCADA automation, distribution network remote monitoring, feeder protection control, sequence of event recording, power plant RTU control system.