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GE IS200TSVCH1ADC Servo Terminal Board

Configured for servo-valve position feedback processing in the Mark VI Speedtronic turbine control system, the GE IS200TSVCH1ADC (IS200TSVC Servo Terminal Board) provides direct physical/electrical execution for actuator signal termination, LVDT/RVDT feedback conditioning, and controller interface operations.

Hardware Specifications

Parameter	Specification
Model	IS200TSVCH1ADC
Brand	GE
Origin	USA
Weight	0.6 kg
Dimensions	200 mm x 150 mm x 35 mm
Operating Temp	-30 deg C to +65 deg C
Power Consumption	Not specified
System Platform	Mark VI Speedtronic turbine control system
Product Function	Servo valve and actuator termination board
Input Signals	LVDT/RVDT position feedback, up to 4 channels
Excitation Voltage	7 VAC RMS nominal, 3 kHz frequency
Output Signals	+/-10 VDC conditioned feedback to controller
Control Interface	Servo drive commands from controller
Isolation	Galvanic isolation between feedback and control circuits
Connectors	Screw terminals for field wiring, ribbon connectors to control rack
Protection Features	Surge suppression and EMI filtering
Mounting Method	DIN-rail or panel mounting
Humidity Tolerance	Up to 95% non-condensing
Compliance	IEC 61010-1, UL 508, CE industrial standards

GE Mark VI Servo Feedback Signal Processing

The IS200TSVCH1ADC provides servo actuator signal termination within the GE Mark VI Speedtronic architecture. The board receives LVDT/RVDT position feedback signals, applies signal conditioning, and transfers proportional feedback values to the turbine controller for closed-loop actuator regulation.

The servo interface circuitry supports feedback isolation between field measurement circuits and control electronics. EMI filtering and surge suppression components are integrated to reduce interference effects on analog position measurement paths.

The board operates with turbine servo control circuits requiring accurate actuator position feedback. Signal routing includes field wiring termination through screw terminals and rack-side communication through ribbon connectors.

Frequently Asked Questions

Q: What type of feedback signals does the IS200TSVCH1ADC process?
A: The board processes LVDT/RVDT position feedback signals from turbine actuator mechanisms and provides conditioned feedback signals to the controller.

Q: Does the IS200TSVCH1ADC provide electrical isolation?
A: Yes. The board includes galvanic isolation between feedback circuits and control circuits to separate field signals from controller electronics.

Q: What installation considerations apply to the field wiring connections?
A: Field signal wiring should maintain proper shielding, grounding, and separation from high-current power cables to reduce electromagnetic interference on analog feedback signals.

Field Installation Guidelines

Install the IS200TSVCH1ADC on the specified Mark VI control cabinet mounting structure using approved hardware. Verify connector alignment before applying field wiring.

Use shielded cables for LVDT/RVDT feedback connections where required by the control system design. Terminate cable shields according to cabinet grounding practices and avoid routing low-level analog feedback wiring parallel to high-voltage or high-current conductors.

Confirm field terminal identification before connecting servo-valve feedback and actuator control circuits. Inspect terminal tightness, connector engagement, and grounding continuity during commissioning procedures.

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