GE Fanuc DS200STBAG1ACB PCB Module for Mark V Control

Product Description

The DS200STBAG1ACB is a high-density Terminal Board Assembly (STBA) engineered for the General Electric Speedtronic Mark V control system. Functioning as a centralized connection hub, this module facilitates the routing of both discrete and analog signals from turbine auxiliaries to the control processors. It is a critical component for organizing complex field wiring, ensuring that inputs from sensors and outputs to actuators are distributed with high signal integrity.

Designed for the demanding environments of power generation facilities, the DS200STBAG1ACB incorporates per-channel electrical isolation and hardware filtering. These features are essential for suppressing contact bounce and electromagnetic interference (EMI), which can otherwise lead to false signaling or control instability. The board's architecture supports deterministic monitoring and protection logic, bridging the gap between field-side instrumentation and the digital processing cores of the Mark V system.

Technical Specifications

• Model Number: DS200STBAG1ACB

• Manufacturer: General Electric (GE / ALSTOM OEM)

• Control Series: Mark V Speedtronic

• Board Type: Terminal Board Assembly (STBA)

• Signal Support: Discrete dry contacts and Analog signals (Voltage/Current)

• Isolation Threshold: Per-channel electrical isolation for enhanced noise immunity

• Filtering Logic: Passive hardware RC filtering for signal conditioning

• Terminal Interface: Industrial screw-type high-density connectors

• Operating Temperature: -20 °C to +60 °C (-4 °F to 140 °F)

• Storage Temperature: -40 °C to +85 °C

• Board Dimensions: 22.9 cm x 17.8 cm x 6.3 cm

• Net Weight: 1.4 kg (3.09 lbs)

• Country of Origin: United States (USA)

• Compliance: IEC 61326-1 (Industrial EMC Standards)

Application & System Maintenance

The DS200STBAG1ACB is typically deployed in Mark V control racks where localized termination for auxiliary turbine equipment is required. It interfaces with the core processors through standardized ribbon cables, fanning out signals to manageable screw terminals for field technicians. Given its critical role in the I/O signal path, periodic inspection of the terminal connections is recommended to prevent oxidation or loosening caused by industrial vibrations.

Frequently Asked Questions

Is the DS200STBAG1ACB interchangeable with other STBA versions?While the base functionality remains the same across the STBA series, the DS200STBAG1ACB contains specific revision level "ACB" which may include updated component tolerances or board layout optimizations. Always confirm your existing ribbon cable pinouts and system configuration before replacing legacy revisions.

Can this board handle high-voltage AC inputs?The DS200STBAG1ACB is primarily designed for low-voltage discrete status signals and analog instrumentation loops. Standard practice involves using external interposing relays or transformers for high-voltage AC circuits before interfacing with the terminal board inputs.