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DS200TCQAG1B

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DS200TCQAG1B is a General Electric Mark V RST analog input/output board for conditioning pulse, vibration, LVDT, current-loop, thermocouple, and generator signals.
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Technical specifications for DS200TCQAG1B

  • Manufacturer:
    General Electric
  • Part Number:
    DS200TCQAG1B
  • Product Family:
    GE Mark V/VI Driver Board
  • Product Type:
    Mark V RST analog input/output board
  • Stock:
    1
  • Functional acronym:
    TCQA
  • System platform:
    SPEEDTRONIC Mark V
  • Core locations:
    R1, R2, and R3
  • Signal processing:
    Scaling and conditioning of mixed analog inputs and outputs
  • Current-loop connector:
    JB to TBQC
  • Pulse and control connector:
    JE to TCQC
  • Position-feedback connector:
    JF for LVDT/LVDR inputs
  • Vibration and voltage connector:
    JG for vibration and ±10 VDC inputs
  • Trip connector:
    JD from R1 toward TCTG
  • Data bus:
    3PL among STCA, TCQA, and TCQE
  • Current-output range selection:
    20 mA or 200 mA maximum
  • Hardware jumpers:
    6 field-visible jumper positions
  • Status indicators:
    6 edge-visible LEDs
  • Configuration method:
    Mark V I/O Configuration Editor
  • Tariff Code:
    8538900000
  • 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 Connector Map Range Setup Calibration Diagnostics

Features:

  • Conditions mixed analog and pulse signals in the R1, R2, and R3 cores.
  • Supports speed, vibration, LVDT feedback, servo commands, and current-loop circuits.
  • Handles generator and line measurements used by synchronization functions.
Requires both hardware-range settings and matching I/O software constants.

The General Electric DS200TCQAG1B combines several closed-loop and monitoring functions, so a single healthy LED pattern is not sufficient acceptance evidence.

Each General Electric DS200TCQAG1B must remain associated with its intended R, S, or T signal path to preserve redundant measurement consistency.

For a purchase quotation on the General Electric DS200TCQAG1B Mark V RST analog input/output board is available from Apter Power.
General Electric DS200TCQAG1B Mark V RST analog input/output board Manuals, Datasheets, Links 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.

Primary paths through the TCQA board

  • JB: Interfaces 4–20 mA input and output circuits through TBQC.
  • JE: Links pulse, servo, relay-driver, generator, and line signals through TCQC.
  • JF: Receives LVDT or LVDR position feedback.
  • JG: Brings vibration and ±10 VDC measurements from TBQB.
  • JD: Carries the R1 trip-related path toward TCTG where configured.

Hardware and software agreement

  • Output circuits: J1 and J2 select the applicable milliamp output circuits.
  • Current limit: J5 and J6 establish a 20 mA or 200 mA maximum for supported outputs.
  • Test jumpers: The RS-232 card-test and oscillator jumpers stay in required service positions.
  • I/O constants: Pulse-rate, vibration, temperature, and LVDT constants are entered in the I/O editor.
  • Servo settings: Servo polarity and scaling must match the connected actuator and unit drawings.

Functional checks by signal family

  • Speed reference: Compare each pulse-rate input with an independent speed reference.
  • LVDT travel: Verify LVDT null and travel before enabling closed-loop servo control.
  • Vibration channels: Check vibration channels for bias, noise, and agreement among redundant paths.
  • Current loops: Inject known milliamp values and confirm both input scaling and output range.
  • Temperature input: Validate thermocouple polarity and cold-junction compensation at stable temperature.

Customer-focused fault isolation

  • One core disagrees: Compare the DS200TCQAG1B connector map and constants across R, S, and T.
  • Servo hunts: Recheck LVDT polarity, excitation, range, and actuator wiring.
  • Speed channel absent: Trace JE through TCQC to the pickup or TTL source.
  • Analog output saturated: Confirm range jumpers, loop load, and commanded value.
  • Vibration unstable: Inspect JG, shielding, sensor bias, grounding, and cable separation.
Description
Pulse, vibration, LVDT, current-loop, thermocouple, and generator signals converge on the General Electric DS200TCQAG1B Mark V RST Analog Input/Output Board. It conditions the mixed analog and pulse signals that support turbine speed measurement, vibration supervision, servo positioning, temperature measurement, and electrical synchronization.

The connector set on General Electric DS200TCQAG1B separates the field functions: JB handles 4–20 mA circuits through TBQC, JF receives LVDT or LVDR position feedback, JG carries vibration and ±10 VDC inputs, and JE links pulse, servo, relay-driver, generator, and line signals through TCQC.

Hardware jumpers on General Electric DS200TCQAG1B select milliamp-output circuits and choose a 20 mA or 200 mA maximum where the board design permits it. Other positions control the RS-232 test port and the oscillator, while software constants define thermocouples, pulse rates, vibration channels, LVDT scaling, and current ranges.

A replacement General Electric DS200TCQAG1B must match its R, S, or T core assignment and the unit-specific analog configuration. Cable labels, jumper positions, cold-junction references, servo polarity, and generator/line connections should all be verified before closed-loop operation.
Revisions

Revision Part #

Also known as

DS200TCQAG1B
DS200TCQAG1-B, Series B, Rev B
Alternative Names
DS200 TCQA G1B DS200-TCQA-G1B GE DS200TCQAG1B General Electric DS200TCQAG1B Mark V DS200TCQAG1B TCQA G1B RST analog board DS200TCQA G1B DS200 TCQAG1B
Technical notes
DS200TCQAG1B replacement requires a saved RST core assignment, complete connector map, output-range jumpers, pulse and vibration constants, LVDT scaling, and servo-loop polarity before closed-loop commissioning.
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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.
Which site-specific settings should be recorded before a DS200TCQAG1B board exchange?
Save the DS200TCQAG1B core location, jumper map, I/O constants, connector labels, pulse scaling, vibration settings, and servo calibration.
Why can an LVDT read incorrectly after a DS200TCQAG1B change?
Check the DS200TCQAG1B JF cable, excitation path, polarity, null position, and configured LVDT or LVDR scaling.
How is a missing vibration channel traced on DS200TCQAG1B?
Follow the affected DS200TCQAG1B signal through JG to the correct TBQB terminal point, then inspect sensor power, wiring, and configuration.
What determines the milliamp-output range on DS200TCQAG1B?
The DS200TCQAG1B output-circuit jumpers and corresponding Mark V configuration must agree on the intended 20 mA or 200 mA maximum.
Why can pulse-rate diagnostics differ among R, S, and T cores with DS200TCQAG1B?
Compare DS200TCQAG1B JE cabling, core assignments, magnetic-pickup or TTL sources, thresholds, and connector seating across the three paths.
Can DS200TCQAG1B be validated with only static analog readings?
No. DS200TCQAG1B verification should also cover pulse, vibration, servo, trip, and generator/line paths used by that turbine configuration.
What should be checked if DS200TCQAG1B LEDs show activity but outputs do not respond?
Review DS200TCQAG1B output-range jumpers, JE/JB routing, I/O commands, companion boards, and field-loop continuity.