DS3800HCMC - Communication Board

DS3800HCMC - Communication Board DS3800HCMC - Communication Board

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Part Number: DS3800HCMC
Manufacturer: General Electric
Series: Mark IV
Product type: Communication Board
Availability: In Stock
Country of Manufacture: United States (USA)

DS3800HCMC is a communication board developed by GE. It is a part of Mark IV control system


  • The Board includes a modular connector for attaching to a drive as well as retention levers to keep the board in place. It has 14 jumpers, as well as 1 amber and 2 red indicator LEDs. The board also has 2 34-pin connectors, and other components.
  • It also includes erasable programmable read-only memory (EPROM) modules. The firmware and machine-readable code, which are the processing instructions used by the drive, are stored in the module. If an update to the code is available, it can be downloaded by a laptop or other device. The modules reside on a socket that is embedded on the board.
  • The modules can be withdrawn from the socket. Put a bladed instrument between the socket and the module.

System Operating Interface

  • One important feature is that the displays avoid the necessity for people to go inside the Mark IV panel to make settings and diagnose problems.
  • The vast majority of this work is accomplished from the panel front. That is important from a reliability viewpoint; one bad move inside the old style control can cause the turbine to trip. With Mark IV, most settings are made by using the 'control constants' display.
  • If the operator wishes to change the value for pre-selected load, he will go to the control constants display and find the proper page. The CRT will label one of the undedicated switches for entering the adjust mode. We call these switches 'soft' switches, for a software identified switch function.
  • Pressing this soft switch will cause the Mark IV to ask for the password After entering the proper number, the operator uses the cursor and the increment or decrement switches to make the adjustment within a limited range. This process may seem complex, but is easy to master in a few minutes.

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


What is DS3800HCMC?
It is a communication board developed by GE

What connectors does the board include?
The board includes two 34-pin connectors and a modular connector for attaching to a drive.

What are the indicator LEDs for?
The board features one amber and two red indicator LEDs that provide the operator with a fast and easy method of monitoring the processing health of the board. The red LED indicates that an error condition has occurred, while the amber LEDs indicate that an alert has occurred and that further investigation is required.

How can the EPROM module be removed from the socket?
The modules can be withdrawn from the socket by inserting a bladed instrument between the socket and the module.