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IC3600SNCF1

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General Electric IC3600SNCF1 is a Mark II Speedtronic nozzle control card with NHP feedback, an SJSC regulator path and TC status output.
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Technical specifications for IC3600SNCF1

  • Manufacturer:
    General Electric
  • Part Number:
    IC3600SNCF1
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Nozzle Control Card
  • Stock:
    1
  • Controlled Bus:
    NCE
  • Speed Feedback Input:
    NHP
  • Regulator Signal Output:
    SJSC
  • Reference Inputs:
    TX, B and AB
  • Temperature-Control Output:
    TC
  • Maximum Speed Adjustment:
    R90, 80% to 105%
  • Minimum Speed Adjustment:
    R92, 75% to 100%
  • 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 NCE Drive Reference Path Limits & Status Applications

Features:

  • Drives the NCE bus in a two-shaft nozzle-control loop.
  • Combines NHP feedback with a temperature-derived reference.
  • Reports temperature-control engagement through TC.
IC3600SNCF1 links high-pressure shaft-speed feedback to the nozzle-control command in the Mark II two-shaft arrangement.

The relationship among TX, AB and B reverses the IC3600SNCF1 reference direction, producing opposite nozzle actions for the two temperature-error polarities.

IC3600SNCF1 also provides bounded speed-reference adjustments and dedicated bias inputs for defined nozzle-opening and test conditions.

The General Electric IC3600SNCF1 Nozzle Control Card may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IC3600SNCF1 Nozzle Control 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.

Command Development

  • Driven bus: The card supplies the nozzle-control drive signal to NCE.
  • Drive pattern: The circuit is developed similarly to the SSKC VCE drive.
  • Upper boundary: The maximum drive limit is fixed.
  • Regulation: The SSZB operational amplifier modulates the NCE command.

Feedback and Error Signals

  • Speed feedback: NHP carries the high-pressure shaft signal.
  • Thermal terms: TX, B and AB form the temperature-error reference.
  • Regulator link: SJSC feeds the SSZB regulator amplifier.
  • Range control: HR changes the temperature operating range.

Boundaries and Indication

  • Maximum setting: R90 covers 80% to 105% speed.
  • Minimum setting: R92 covers 75% to 100% speed.
  • Reference bounds: Minimum and maximum limits constrain the speed reference.
  • Status output: TC is logic 1 during nozzle temperature control.

Two-Shaft Nozzle Loop

  • System use: The card serves the Mark II two-shaft control arrangement.
  • Controlled variable: Nozzle position changes high-pressure shaft speed.
  • Open command: Negative bias at MF forces the nozzle toward open.
  • Test path: Input E can support the turbine overspeed-test command.
Description
For the two-shaft nozzle-control loop, General Electric IC3600SNCF1 supplies the drive for the NCE bus. Its drive section follows the same general arrangement as the VCE drive on the SSKC card, but the maximum NCE limit is fixed rather than adjustable.

High-pressure shaft speed enters IC3600SNCF1 at NHP and is summed with a speed reference. The resulting SJSC signal passes to the regulator operational amplifier on the SSZB card, which modulates NCE.

The speed reference within IC3600SNCF1 is formed from TX, B and AB. When TX plus AB is below B, the reference moves positively to close the nozzle and reduce speed; when TX plus AB is above B, the reference moves negatively to open the nozzle and raise high-pressure speed.

Minimum and maximum reference limits bound the command developed by IC3600SNCF1. HR changes the temperature operating range, MF can force the nozzle open with negative bias, and TC changes to logic 1 when the nozzle is under temperature control.
Alternative Names
GE IC3600SNCF1 Nozzle Control Card General Electric IC3600SNCF1 NCE Board IC3600-SNCF1 IC3600 SNCF 1 IC 3600 SNCF1 Mark II SNCF Nozzle Card IC3600SNCF1 NCE Drive Card IC3600SNCFI
Technical notes
General Electric IC3600SNCF1 sums NHP feedback with the TX/B/AB reference and sends SJSC to the SSZB amplifier for NCE modulation.
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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.
What should be traced when IC3600SNCF1 produces no nozzle-control command?
Check the NHP feedback and the TX, B and AB reference terms entering IC3600SNCF1, then follow SJSC to the SSZB regulator amplifier and the NCE bus.
Why can the nozzle driven through IC3600SNCF1 open when the temperature-error relationship reverses?
When TX plus AB exceeds B, IC3600SNCF1 moves the reference negatively, which opens the nozzle and raises high-pressure shaft speed.
How can a technician tell that IC3600SNCF1 has transferred the nozzle to temperature control?
The TC output on IC3600SNCF1 changes to logic 1 while the nozzle is on temperature control.
Which adjustment boundaries matter before changing an IC3600SNCF1 speed reference?
IC3600SNCF1 uses R90 for an 80%–105% maximum-speed range and R92 for a 75%–100% minimum-speed range; the reference is limited at both ends.
Can IC3600SNCF1 be treated as a single-shaft speed card?
No. The documented IC3600SNCF1 function belongs to the Mark II two-shaft nozzle-control loop and uses NCE to influence high-pressure shaft speed.
What could force the nozzle open independently of the normal IC3600SNCF1 reference comparison?
A negative bias applied at MF forces the open action on IC3600SNCF1; the E path can also be used with the defined overspeed-test command.

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