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IC3600SSVD1

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For Mark II Speedtronic gas-fuel control, General Electric IC3600SSVD1 is a stop/speed ratio valve control card that develops TPD from P1, NHP and LVDT feedback.
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Technical specifications for IC3600SSVD1

  • Manufacturer:
    General Electric
  • Part Number:
    IC3600SSVD1
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Stop/Speed Ratio Valve Control Card
  • Stock:
    1
  • Control Function:
    Stop/speed ratio valve regulation
  • Pressure Input:
    P1
  • Speed Input:
    NHP
  • Servo Reference Output:
    TPD
  • Position Feedback:
    One LVDT
  • Shutdown Input:
    SR logic
  • Alarm Output:
    FLT
  • Card Indication:
    FAULT lamp
  • Adjustments:
    ZERO R95; GAIN R92; PRESS SPAN R93; NHP OFFSET R96; STAB R90
  • 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 Signal Path Shutdown Feedback Channel Compare

Features:

  • Forms the TPD servo reference from P1 pressure and NHP speed inputs.
  • Uses one LVDT for stop/speed ratio valve position feedback.
  • Reports feedback and channel disagreement through FLT and the FAULT lamp.
IC3600SSVD1 coordinates gas-pressure and turbine-speed information at the stop/speed ratio valve control boundary.

The shutdown path on IC3600SSVD1 can suppress the TPD command independently of the normal regulator calculation.

Fault logic on IC3600SSVD1 covers single-channel feedback limits and the comparison used in a dual-channel arrangement.

The General Electric IC3600SSVD1 Stop/Speed Ratio Valve Control Card may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IC3600SSVD1 Stop/Speed Ratio Valve 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.

Signal Path

  • Pressure branch: P1 enters the pressure path used by IC3600SSVD1.
  • Speed branch: NHP passes through offset and gain conditioning on IC3600SSVD1.
  • Control result: The comparison establishes the TPD reference for the servo regulator.

Shutdown

  • Command: SR provides the shutdown logic input to IC3600SSVD1.
  • Response: Logic 1 at SR forces TPD to zero.
  • Boundary: This action is separate from the normal P1-versus-NHP calculation.

Feedback

  • Position source: One LVDT closes the IC3600SSVD1 valve-position loop.
  • Supervision: TPC, D and INH states are evaluated independently.
  • Indication: A detected fault produces FLT and lights the FAULT indicator.

Channel Compare

  • Dual input: C links IC3600SSVD1 with the companion-channel SCB signals.
  • Decision: The alarm is assigned to the side whose SCB is more positive than C.
  • Purpose: The comparison distinguishes the channel associated with the larger discrepancy.
Description
At the gas-fuel control boundary of a Mark II Speedtronic panel, General Electric IC3600SSVD1 provides the stop/speed ratio valve control function. The card combines a pressure-proportional P1 input with the NHP speed signal to establish the TPD reference used by the servo-valve regulator.

Within IC3600SSVD1, the NHP path includes offset and gain conditioning before it is compared with the pressure-derived signal. A logic 1 at SR forces TPD to zero, separating the shutdown command from the normal pressure-versus-speed calculation.

Valve-position feedback for IC3600SSVD1 comes from one LVDT. The card monitors the TPC feedback level and the D signal window; a detected loss of feedback or an out-of-window condition with INH inactive produces FLT and illuminates the FAULT indicator.

When two channels are arranged together, IC3600SSVD1 compares its SCB signal with the companion channel through the C connection so the channel associated with the larger discrepancy can be identified. ZERO R95, GAIN R92, PRESS SPAN R93, NHP OFFSET R96 and STAB R90 provide the documented calibration points for the control path.
Alternative Names
GE IC3600SSVD1 Stop/Speed Ratio Valve Card General Electric IC3600SSVD1 Valve Control Card IC3600-SSVD1 IC3600 SSVD 1 IC 3600 SSVD1 Mark II SSVD Valve Regulator Card Speedtronic IC3600SSVD1 Servo Reference Card GE Mark II IC3600SSVD1 Control Board
Technical notes
General Electric IC3600SSVD1 combines P1, NHP and single-LVDT feedback to produce TPD and supervise the valve-control channel.
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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.
TPD stays at zero on IC3600SSVD1 even though P1 and NHP are present. Which interlock should be checked before recalibrating the loop?
Check SR on IC3600SSVD1 first: logic 1 deliberately forces TPD to zero, so recalibration will not restore the command while SR remains asserted.
After the LVDT circuit is restored, IC3600SSVD1 still reports FLT. How can the two feedback checks be separated?
IC3600SSVD1 treats TPC above -1.2 V as loss of feedback, while D outside -1.2 to -2.8 V is a separate fault only when INH is logic 0.
Only one side of a dual valve loop should be blamed for a disagreement. What comparison inside IC3600SSVD1 identifies that side?
In the dual arrangement, IC3600SSVD1 compares each SCB signal with the shared C level; the side with SCB more positive than C receives the alarm.
A pressure-span adjustment corrected load response but shifted valve zero on IC3600SSVD1. Which settings must be treated independently?
PRESS SPAN R93, ZERO R95 and NHP OFFSET R96 act on different parts of IC3600SSVD1, so one should not be used to compensate for another.
The valve follows pressure but barely responds to turbine speed through IC3600SSVD1. Where should the missing influence be traced?
Trace the NHP path through the offset and gain stages of IC3600SSVD1 before it reaches the comparison that forms TPD.