The GE WESDAC D20ME 18-MAR-13 is a processor and controller module used in the GE WESDAC D20 remote terminal unit (RTU) platform. It is designed for substation automation applications where reliable communication, real-time monitoring, and remote control capability are required.
The D20ME module serves as a core component within the D20 control architecture, supporting communication between field devices, intelligent electronic devices (IEDs), SCADA systems, and control centers. It is commonly deployed in electrical substations, utility networks, and industrial automation environments.
The 18-MAR-13 identifier generally represents the module revision or date code associated with the unit, which helps users identify production information, maintenance history, and hardware compatibility.
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The GE WESDAC D20ME controller module provides the processing capability required for GE D20 RTU-based automation systems.
It is engineered to manage real-time data acquisition, control logic execution, communication handling, and system diagnostics. The module supports integration with multiple communication interfaces and industrial protocols, making it suitable for distributed monitoring and control applications.
With its modular architecture, the D20ME allows utilities and industrial operators to expand automation systems while maintaining reliable operation. It is widely used in legacy GE substation automation installations, replacement projects, and system maintenance applications.
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| Parameter | Specification |
|---|---|
| Manufacturer | GE / GE Grid Solutions |
| Model | WESDAC D20ME |
| Date Code | 18-MAR-13 |
| Product Type | Substation Controller Processor Module |
| System Platform | GE WESDAC D20 RTU |
| Application | Substation automation and remote monitoring |
| Processor Architecture | 32-bit industrial processor |
| Flash Memory | Approx. 2 MB |
| SRAM Memory | Approx. 1.5 MB |
| NVRAM | Approx. 512 KB |
| Boot ROM | Approx. 1 MB |
| Communication Ports | Multiple RS-232/RS-485 serial interfaces |
| Additional Communication | D.20 Link HDLC communication |
| Protocol Support | DNP3, IEC communication options, Modbus-related integration depending on configuration |
| Logic Control | PLC-type logic support (LogicLinx™) |
| Diagnostics | Watchdog, memory checking, configuration verification, fault logging |
| Power Supply Options | 20–60 VDC / 85–264 VAC depending on system configuration |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5%–95% RH non-condensing |
| Mounting | GE D20/D200 rack installation |
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The D20ME provides the processing foundation for GE WESDAC D20 RTU systems, enabling real-time monitoring, control commands, and automation functions in electrical substations.
The module supports communication between field equipment and supervisory systems, allowing operators to collect data, monitor equipment status, and perform remote control operations.
The modular D20 architecture allows additional I/O modules and communication components to be integrated, supporting system expansion for growing automation requirements.
Designed for utility and industrial environments, the module provides stable operation for continuous monitoring and control applications.
The controller includes self-checking functions such as memory verification, watchdog monitoring, and system fault diagnostics to improve maintenance efficiency.
Provides reliable data acquisition and processing for electrical infrastructure monitoring.
Designed for long-term operation in critical automation environments.
Suitable for GE WESDAC D20 maintenance and modernization projects.
Supports integration with SCADA systems, remote devices, and industrial communication networks.
Used for electrical equipment monitoring, protection coordination, and remote control.
Supports utility distribution and transmission automation systems.
Provides communication between field devices and central monitoring platforms.
Used in factories, plants, and infrastructure requiring reliable power monitoring.
Applicable for distributed control systems with remote monitoring requirements.
GE WESDAC D20ME 18-MAR-13 is a processor/controller module for GE WESDAC D20 RTU and substation automation systems.
The module processes field data, manages communication, executes control logic, and supports SCADA system integration.
It is mainly used in electrical substations, utility automation, power distribution monitoring, and industrial control systems.
Yes. The module is designed specifically for GE WESDAC D20 RTU platforms.
It is a date/revision identifier associated with the module, commonly used for product tracking and compatibility reference.
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