DS3820DIMA - Datatronics Isolation Module

SPECIFICATIONS

Part Number: DS3820DIMA
Manufacturer: General Electric
Series: Mark IV
Product Type: Datatronics Isolation Module
Operating temperature: -40 to +65 degrees Celsius
Repair: 3-7 Day
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

DS3820DIMA is a Datatronics Isolation Module developed by GE. It is a part of Mark IV control system. It prevent electrical interference or faults from propagating through the system. By electrically isolating input and output signals, it enhances the overall safety, stability, and longevity of the turbine control infrastructure. This isolation is particularly important in environments with significant electromagnetic interference (EMI), voltage fluctuations, or when signals from various subsystems must be accurately and safely processed.

Features

• Ensures that the input and output sides of the system have no direct electrical connection. Prevents damage caused by voltage surges, ground loops, or faulty wiring between interconnected systems.
• Ground loops can introduce measurement errors or even damage equipment. Isolation modules break the loop by eliminating shared grounds between systems. This is crucial in multi-ground installations, like those found in power plants, refineries, and large buildings.
• Datatronics modules also convert signal types, such as Voltage to current (e.g., 0–10V to 4–20mA), Current to voltage, and Thermocouple/mV to standard signals.
• Prevents hazardous voltages from reaching control panels or operator terminals. Often certified for use in hazardous zones (e.g., ATEX-certified in explosive atmospheres).
• Some modules come with built-in surge protection, safeguarding connected devices against lightning strikes, switching transients, or other high-energy disturbances.

WOC is happy to assist you with any of your automation requirements. Please contact us by phone or email for pricing and availability on any parts and repairs.

FREQUENTLY ASKED QUESTIONS

What is DS3820DIMA?
It is a high-voltage card developed by General Electrics.

What happens after a faulty module is repaired?
Once a repair is completed, the software is capable of reinitializing and recovering the affected section, bringing it back into service without significantly altering the turbine’s operating point.

Does fault recovery require system shutdown?
No, one of the key advantages of the Mark IV system is its ability to recover from faults and reintegrate components without a full system shutdown, minimizing downtime.