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GE DS200DDTBG2A Auxiliary I/O Terminal Board

The GE DS200DDTBG2A, also cataloged as the DS200DDTBG2A Auxiliary I/O Terminal Board, operates as a dedicated hardware component for signal conditioning and field interface processing within GE LS2100 Static Starter and Load Commutated Inverter (LCI) control systems.

Hardware Specifications

Parameter	Specification
Model	DS200DDTBG2A
Brand	General Electric (GE)
Origin	United States
Weight	0.3 kg
Operating Temp	0 to 50 deg C
Power Consumption	Supplied through connected ADMA board
Series	LS2100
Board Type	Digital/Analog Diagnostic Terminal Board (DDTB)
Functional Acronym	DDTB
System Compatibility	GE LS2100 Static Starter / LCI Drive Control Systems
High-Voltage AC Inputs	2 channels with passive filtering, step-down transformers, and buffering
Maximum AC Input Rating	Up to 693 V RMS
Analog Signal Output	+/- 5 V peak-to-peak
Current Inputs	6 continuous current-resistor monitoring inputs
Digital Inputs	8 channels (TP17-TP25)
Analog Outputs	4 channels (TP14-TP17)
Optocoupled Outputs	4 isolated outputs, maximum 48 VDC at 10 mA
Configuration Jumpers	12 three-pin signal scaling and routing jumpers
Interconnect Interface	High-density ribbon cable connection to control modules
Part Specific Manual	GEI-100219

Profinet / EtherNet-IP Industrial Control Interface and Signal Processing

The DS200DDTBG2A integrates into GE LS2100 control architectures as a high-speed auxiliary interface board. The board performs front-end signal processing functions including voltage scaling, passive filtering, buffering, and optical isolation before transferring conditioned signals to controller DSP modules.

The board supports deterministic internal control signal transmission through dedicated ribbon cable interconnects. Its analog interface converts field-level electrical signals into controller-compatible levels, including +/- 5 V peak-to-peak outputs for analog-to-digital and voltage-controlled oscillator input stages.

Firmware flash compatibility and control logic synchronization depend on the installed LS2100 control platform configuration and connected DSP hardware. The terminal board itself functions as an I/O conditioning assembly rather than an independent programmable controller.

Frequently Asked Questions

Q: What is the primary electrical function of the DS200DDTBG2A?
A: The board provides field signal interface processing through scaling, buffering, passive filtering, and optical isolation before transferring signals to GE controller electronics.

Q: Does the DS200DDTBG2A operate as an independent processor module?
A: No. The board is an auxiliary I/O terminal interface and relies on the connected GE control hardware, including DSP-based controller modules, for system processing.

Q: How are high-voltage input signals handled on this board?
A: High-voltage AC inputs are processed through step-down transformers, passive filtering circuits, and buffer stages to produce controller-level signals.

Field Installation Guidelines

Install the DS200DDTBG2A inside the designated GE LS2100 or LCI control cabinet assembly according to the applicable GE installation documentation.

Verify that all ribbon cable connectors are fully seated before energizing the control system. Route field wiring separately from high-current conductors to reduce electrical noise coupling into low-level analog circuits.

Connect cable shields according to the cabinet grounding design and maintain proper separation between signal wiring and power circuits. Confirm jumper configuration settings before operation, as the three-pin jumper positions define individual signal scaling and routing paths.

Before replacement or inspection, remove system power and verify the absence of hazardous voltages on field input terminals. Ensure the replacement board matches the required board revision and control system configuration.

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