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GE DS200SVAAG1A Voltage Attenuator Board

The GE DS200SVAAG1A, also cataloged as the DS200SVAA Voltage Attenuator Board, operates as a dedicated signal conditioning hardware component for analog voltage attenuation within GE Mark V Speedtronic turbine control system platforms. It provides isolated scaling of field voltage inputs into controller-compatible analog levels through passive attenuation circuits and electrical isolation paths.

Hardware Specifications

Parameter	Specification
Model	DS200SVAAG1A
Brand	GE
Origin	United States
Weight	0.5 kg
Operating Temp	-30 to +65 deg C
Power Consumption	Passive board design; powered by 28 VDC system supply
Product Type	Voltage Attenuator Board
Series	Drive Control
System Compatibility	GE Mark V Speedtronic turbine control system
Input Voltage Range	Up to +/-200 VAC/VDC depending on configuration
Output Voltage Range	+/-10 VDC conditioned signal
Channels	Multiple isolated analog input channels
Accuracy	+/-0.1% FS
Isolation Rating	2500 Vrms channel-to-ground
Response Time	<5 ms
Mounting Type	Rack-mount, single-slot
Technology	Surface mount electronics

GE Mark V Analog Signal Attenuation and Isolation

The DS200SVAAG1A performs analog voltage scaling between field-level signals and GE Mark V controller input circuits. The board attenuates higher amplitude voltage signals into a +/-10 VDC output range suitable for turbine control processing. Channel isolation supports separation between input circuits and control electronics, reducing ground loop effects and electrical interference.

The board architecture follows GE industrial control hardware practices, using surface mount components and rack-based installation within Speedtronic control cabinets. Signal conditioning functions include voltage reduction, analog stabilization, and electrical interface adaptation.

Firmware and I/O Interface Characteristics

The DS200SVAAG1A operates as a hardware-level interface board without independent firmware execution. Diagnostic information is handled through connected GE Mark V processor and controller boards. The analog interface design supports deterministic signal transfer within turbine control I/O architectures.

Frequently Asked Questions

Q: Does the DS200SVAAG1A execute application firmware independently?
A: No. The board is a passive voltage attenuation and signal conditioning module. Monitoring and control functions are performed by connected GE Mark V processor boards.

Q: What signal conversion function does the DS200SVAAG1A provide?
A: The board attenuates incoming high-level analog voltage signals and provides conditioned +/-10 VDC outputs for controller processing.

Q: What installation factors affect analog signal performance?
A: Shielding, grounding practices, cable routing, and separation from high-current conductors affect analog signal integrity.

Field Installation Guidelines

Install the DS200SVAAG1A in the designated GE Mark V rack slot with the correct backplane connection. Verify board alignment before insertion to prevent connector damage.

Use shielded instrumentation wiring for analog signal connections where required. Terminate cable shields according to cabinet grounding practices and avoid routing analog signal cables parallel to high-voltage or high-current wiring.

Confirm that field voltage inputs remain within the specified board configuration range before energizing the system. Inspect connectors, terminal points, and rack seating during commissioning procedures.

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