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Ds3800hnma

DS3800HNMA - Null Modem Communication Card

DS3800HNMA - Null Modem Communication Card DS3800HNMA - Null Modem Communication Card

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SPECIFICATIONS

Part No: DS3800HNMA
Manufacturer: General Electric
Function: Null Modem Communication Card
Series: Mark IV
Country of Origin: United States (USA)

DS3800HNMA is a Null Modem Communication Card developed by GE. It is a part of Mark IV control system.

Features

  • It has two ports with female terminals. Twenty-five tiny ports make up the female ports. There are two silver tubes on either side of the female terminal ports, where the male terminal port of the connecting circuit board can be screwed firmly into place.
  • The board features two female ports and four metal prongs in between them. The term "Jumper Ports" refers to these metal prongs.

System Operator Interface

  • The displays' ability to eliminate the need to enter the Mark IV panel to make adjustments and identify issues is a crucial feature. The panel front is used for the great majority of this work. This is significant in terms of reliability because a single mistake in the old control might trip the turbine. The majority of Mark IV settings are entered into the "control constants" display. The operator will navigate to the control constants display and select the appropriate page if he has to modify the value for a pre-selected load. For entering the adjust mode, the CRT will label one of the unused switches.
  • For a switch function that is identified by software, GE refer to these switches as "soft" switches. The Mark IV will request the password when this soft switch is pressed (not everyone should be able to change control constants). The operator makes the adjustment within a specific range by using the cursor and the increment or decrement switches after entering the correct quantity. Despite its seeming complexity, this procedure may be mastered in a matter of minutes. In reality, it is more simpler than the more traditional approach of using jumper wires to connect digital voltmeters to the appropriate places, flipping pots with a tiny screwdriver, and converting volts to engineering units.

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.

FREQUENTLY ASKED QUESTIONS

What is DS3800HNMA?
It is a Microprocessor board developed by GE

What are soft switches in the Mark IV panel?
In the Mark IV panel, switches that are identified by software are called "soft" switches. The Mark IV will request the password when this soft switch is pressed (not everyone should be able to change control constants).

How does an operator make adjustments in the Mark IV panel?
After entering the correct quantity, the operator makes the adjustment within a specific range by using the cursor and the increment or decrement switches.