Description
Product Overview
The GE WESDAC D20ME is a compact and reliable Remote Terminal Unit (RTU) designed for substation automation, SCADA systems, and utility monitoring applications. It provides real-time data acquisition, control, and communication between field devices and supervisory systems, enabling efficient monitoring and operation of electrical networks.
Engineered for utility-grade performance, the D20ME delivers high reliability, deterministic behavior, and flexible communication options, making it suitable for continuous operation in critical infrastructure environments.

GE WESDAC D20ME
Key Features
- Compact RTU for substation and SCADA applications
- Reliable real-time data acquisition and control
- Designed for utility and industrial environments
- Stable communication with supervisory systems
- Suitable for continuous 24/7 operation
Product Parameters
| Parameter | Specification |
|---|---|
| Product Model | D20ME |
| Manufacturer | General Electric (GE) |
| Product Type | Remote Terminal Unit (RTU) |
| System Family | WESDAC D20 Series |
| Application | Substation automation / SCADA |
| Mounting Type | Panel or rack-mounted |
| Operating Mode | Continuous operation |
| Communication Role | Field-to-control system interface |

General Electric WESDAC D20ME II
Product Datasheet (Technical Summary)
| Technical Item | Description |
|---|---|
| Data Acquisition | Digital and analog signal handling |
| Control Function | Remote monitoring and control |
| Communication | Industrial SCADA communication interfaces |
| Power Supply | External or system-integrated supply |
| Diagnostics | Built-in self-diagnostics |
| Operating Environment | Utility and industrial control cabinets |
Country of Origin
Canada
Product Keywords
GE WESDAC D20ME RTU, Substation Automation Controller, SCADA Remote Terminal Unit, Utility Control System Module,
GE Automation Spare Parts,
SCADA Control Modules
Usage Instructions
- Ensure all system power sources are disconnected before installation.
- Mount the D20ME RTU securely in the control panel or rack.
- Connect field I/O and communication cables according to the system design.
- Restore power and allow the RTU to complete initialization.
- Verify data communication and control functions through the SCADA system.
Frequently Asked Questions (Q&A)
Q1: What is the main function of the GE WESDAC D20ME?
A: It provides remote data acquisition and control for substation and SCADA systems.
Q2: Is the D20ME suitable for continuous operation?
A: Yes, it is designed for 24/7 operation in utility environments.
Q3: Can the D20ME be used as a direct replacement?
A: Yes, it is commonly used as a direct replacement within the D20 series.
Q4: Does the RTU require configuration after installation?
A: Yes, communication and I/O parameters should be verified or configured during commissioning.
Q5: What industries typically use this RTU?
A: Electric utilities, power distribution, and industrial automation sectors.
Similar Model Recommendations
| Model Number | Description |
|---|---|
| D20MX | Modular RTU Controller |
| D20M | Standard WESDAC RTU |
| D20ME II | Enhanced D20ME RTU |
| D20AX | Advanced Automation RTU |
| D25 | Utility Automation Controller |


