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IC3600QOXC3

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General Electric IC3600QOXC3 is a Mark II Speedtronic overspeed trip card with TRP1/TRP2 channels, CHKOR/CHKAND logic and a locally reset TPL latch.
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Technical specifications for IC3600QOXC3

  • Manufacturer:
    General Electric
  • Part Number:
    IC3600QOXC3
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Overspeed Trip Card
  • Stock:
    1
  • Speed Input:
    Frequency proportional to turbine speed
  • Input Terminals:
    IN and ACOM
  • Trip Outputs:
    TRP1 and TRP2
  • Check Outputs:
    CHKOR and CHKAND
  • Trip Indication:
    TPL latching output
  • Reset Method:
    Card-front pushbutton
  • Overspeed Criterion:
    10% above rated speed
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Trip Logic Check Outputs Latch & Reset Speed Criteria

Features:

  • Accepts a turbine-speed frequency at IN relative to ACOM.
  • Provides separate TRP1 and TRP2 protection outputs.
  • Combines channel checks with a locally reset trip latch.
IC3600QOXC3 forms one electronic overspeed channel in the Mark II protection arrangement. Utility-drive installations generally use one electronic channel per shaft, while mechanical-drive arrangements normally use two.

Single-channel and coincident-channel states remain distinguishable because IC3600QOXC3 supplies separate OR-check and AND-check results alongside its trip outputs.

IC3600QOXC3 retains a trip indication after the initiating condition changes when its latch-enabling inputs are satisfied, allowing the stored state to be cleared at the card.

The General Electric IC3600QOXC3 Overspeed Trip Card may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IC3600QOXC3 Overspeed Trip Card Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Signal Processing

  • Measured quantity: The input frequency follows turbine rotational speed.
  • Reference node: ACOM provides the common point for the IN signal.
  • Parallel paths: Two trip circuits generate TRP1 and TRP2.
  • Primary action: Both paths assert for a predetermined overspeed condition.

Channel Comparison

  • CHKOR low: At least one trip path is asserted.
  • CHKAND low: Both trip paths are asserted together.
  • Single-path state: CHKOR can change without CHKAND changing.
  • Coincident state: Both check outputs reflect the two-channel trip condition.

Stored Indication

  • Latch output: TPL stores the trip indication.
  • Trip input: Either TRP1 or TRP2 can initiate the latch.
  • Enabling inputs: 14HM and 4 must both be at logic 1.
  • Clear action: The card-front pushbutton resets TPL.

Operating Thresholds

  • Overspeed: Trip outputs assert at 110% of rated speed.
  • Acceleration: Below 9% rated speed is a defined trip state.
  • Deceleration: Below 4% rated speed is a defined trip state.
  • Direction context: The low-speed criteria differ for acceleration and deceleration.
Description
General Electric IC3600QOXC3 is the QOXC overspeed trip card in the Mark II Speedtronic electronic protection system. It receives a frequency proportional to turbine speed between IN and ACOM and develops two trip-channel outputs from that signal.

During an operating cycle, IC3600QOXC3 sets TRP1 and TRP2 when input speed reaches 10% above rated speed. The same outputs also identify input speed below 9% of rated speed while the turbine is accelerating and below 4% during deceleration.

The check logic on IC3600QOXC3 distinguishes a single asserted trip path from a simultaneous two-path condition. CHKOR changes to logic 0 when either TRP1 or TRP2 is at logic 1, while CHKAND changes to logic 0 only when both trip outputs are at logic 1.

A separate indication circuit on IC3600QOXC3 holds TPL at logic 1 when either trip output is asserted while 14HM and 4 are both at logic 1. The pushbutton on the card front clears this latched indication.
Alternative Names
GE IC3600QOXC3 Overspeed Card General Electric IC3600QOXC3 Trip Card IC3600-QOXC3 IC3600 QOXC 3 IC 3600 QOXC3 IC3600QOXC3 Overspeed Protection Card Mark II QOXC Overspeed Trip Card IC36OOQOXC3
Technical notes
General Electric IC3600QOXC3 receives turbine-speed frequency at IN/ACOM and provides TRP1, TRP2, CHKOR, CHKAND and latched TPL outputs.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can IC3600QOXC3 report a trip during the beginning of acceleration?
IC3600QOXC3 treats an input below 9% of rated speed as a defined trip state while the turbine is accelerating, so this condition must be interpreted in the operating-cycle context.
What does a low CHKOR with CHKAND not low mean on IC3600QOXC3?
That combination shows that one IC3600QOXC3 trip path is asserted but the two trip outputs are not both asserted together.
After turbine speed returns below the overspeed point, why may the IC3600QOXC3 indication remain set?
The TPL circuit on IC3600QOXC3 latches when either trip output and the two enabling inputs are at logic 1; it remains stored until the card-front pushbutton clears it.
Which signal should be traced when IC3600QOXC3 does not respond to shaft speed?
Trace the frequency proportional to turbine speed between IN and ACOM on IC3600QOXC3 before evaluating the downstream trip and check states.
How should an IC3600QOXC3 low-speed indication be evaluated during shutdown?
During deceleration, IC3600QOXC3 uses the below-4%-of-rated-speed criterion rather than the acceleration criterion.
Can the two protection paths inside IC3600QOXC3 be evaluated separately?
Yes. IC3600QOXC3 exposes TRP1 and TRP2 individually and supplies CHKOR and CHKAND to distinguish one-path and two-path states.