GE IS200VAOCH1A IS200VAOCH1B MARK VI BOARD

Description

GE General Electric Technical Specifications: IS200VAOCH1A

The front panel provides local operator interface with a vacuum florescent display, LED status indicators, con

IS200VAOCH1A trol keys, and program port. The display and status indicators update alarm and status information automati

cally. The control keys are used to select the appropriate message for entering setpoints or displaying

measured values. The RS232 program port is also provided for connection with a computer running the 750/

760 PC program.

The 40-character vacuum fluorescent display, provides English messages that are visible under varied lighting

IS200VAOCH1A conditions. While the keypad and display are not being used, the screen will display system information by

scrolling through a maximum of 30 user-selected default messages. These default messages will only appear

after a user programmed period of inactivity. Pressing any key during default message scrolling will return the

display to the last message shown before the default messages appeared. Trip and alarm condition messages

will automatically override default messages.

RELAY IN SERVICE: This indicator will be on continuously if the relay is functioning normally and no major

self-test errors have been detected. During operation the relay continuously performs various self tests and if a

major self-test fails, the indicator will be turned off, all output relays will be de-energized, and the 8 SELF-TEST

IS200VAOCH1A WARNING status indicator will be turned on. This indicates a complete loss of protection. See the self-test

warning section later in this chapter.

TRIP: This indicator flashes when the relay detects a trip condition and operates the 1 TRIP relay to open the

breaker. After the initiating fault has been cleared, this LED can be turned off with a reset.

ALARM: While the relay is detecting an alarm condition, this indicator will flash. Even if latched output relays

are programmed to operate with the alarm, the indicator will automatically turn off if the alarm condition clears.

Such output relays will remain in the operated state until a reset is performed. Note: Latched Alarm – While the relay is detecting an alarm condition, this indicator will flash. After

the alarm condition clears, the indicator remains illuminated and can be turned off with a reset.

PICKUP: For the purpose of testing and calibration verification, this indicator will light steady when any protec

tion feature has its pickup threshold exceeded. Eventually, if the fault condition persists, a trip will be issued by

the relay. If the measured parameter drops below its pickup level, the indicator will turn off.

SETPOINT GROUP 1-4: These indicators are flashing if the corresponding group is selected for editing and/or

display; they are continuously on if the corresponding group is providing settings for the protection elements.

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(1) Source purchase to reduce the price difference in the intermediate phase
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Lead time problem
(1) For the spot products in stock, the de

livery can be arranged on the same day after the contract payment is signed
(2) Order products and deliver according to the quoted delivery date
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Details: If you need urgent delivery orders, please feel free to contact us, and we will try our best to meet your needs.
Price problem: If you find that other suppliers offer cheaper prices for the same product, we are also willing to provide you with reference prices and give you further discounts.
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