IC3600STDC1H1C - Time Delay Card

SPECIFICATIONS

Part Number: IC3600STDC1H1C
Manufacturer: GE Fanuc
Country of Manufacture: United States(USA)
Availability: In Stock
Product Type: Time Delay Card (SCB)

Functional Description

IC3600STDC1H1C is a Time Delay Card manufactured by GE Fanuc. It is a part of Mark I and II used in gas turbine control systems. The primary role of the card is to provide programmable time delay functionality, ranging from one second to five minutes. Time delays are crucial in turbine control and protection systems to prevent false trips, allow for proper sequencing, and ensure smooth transitions during startup, shutdown, and other operational procedures.

Operation Details

• Timing Initiation: The time delay starts when all input signals to the card are at a logical “1” (active state). If these inputs remain continuously “1,” the card’s output switches to “1” after the preset delay.
• Output Behavior: The output remains 1 for the duration of the timing period. After the time delay elapses, the output transitions to 0. If any input changes to 0 before the time delay completes, the output immediately switches back to 0” and the timing process resets.
• LED Indication: An onboard LED indicator illuminates the moment timing begins and stays lit until the output changes to the reset state, providing a clear visual status of timing operation.

Adjustable Time Ranges

To offer flexibility and fine control over the delay timing, the card provides two selectable timing ranges controlled by the connection at a specific pin (Pin R):

• Short Range (Pin R Open): Adjustable from 1 to 25 seconds, allowing for precise short delays suitable for fast control sequences.
• Long Range (Pin R connected to N12V): Adjustable from approximately 20 seconds up to 5 minutes, ideal for longer delay requirements.

These ranges enable the user to select the appropriate delay time resolution based on the specific application needs.

Multiple Timing Circuits and Extended Delay

• It contains four independent timing circuits on a single card, enabling multiple time delay functions in a compact form.
• One of these circuits uniquely provides an eight-count counter feature for extending the effective time delay beyond the maximum of the single timer:
• By feeding the output of this circuit back into one of its inputs, the timer cycles eight times before finally resetting the output to 0.
• This cascading effect can extend the total delay up to approximately 40 minutes, offering enhanced flexibility for complex turbine control sequences that require extended timing intervals.

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FREQUENTLY ASKED QUESTIONS

What is GE Fanuc IC3600STDC1H1C?
It is a Time Delay Card used in gas turbine control systems.

How is the timing initiated on this card?
Timing starts when all input signals are at a logical 1 (active). If all inputs remain 1, the output switches to 1 after the set delay.

What happens if one of the inputs changes to 0 during timing?
The output immediately switches back to 0, and the timing process resets.

What are the adjustable timing ranges of the card?
The card has two ranges- a short range adjustable from 1 to 25 seconds, and a long range adjustable from approximately 20 seconds up to 5 minutes.