GE DS200TBCAG1AAB Terminal Board – Reliable field I/O termination for GE control cabinets

The GE DS200TBCAG1AAB is a TBC-series terminal board used to land and organize field wiring in GE control systems. From my experience, this model typically sits inside Mark V turbine control panels and GE industrial drive/excitation cabinets, providing clean, labeled screw terminals for discrete and low-voltage signal runs. You might notice that it’s a passive, robust board—no firmware to manage—built to keep signal wiring tidy, shielded, and serviceable.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Lead time: In-stock typically ships in 1 week; no more than one month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express options: FedEx, UPS, DHL
• Order flow: Confirm model/revision → Receive quotation → Place PO & prepay → Functional testing & packing → Balance payment → Express dispatch

Key Features

• Purpose-built terminal landing – Organized screw-type barrier strips for clean field wiring, reducing wiring errors and rework.
• Passive, no firmware – No configuration required; drop-in wiring interface that simplifies commissioning.
• Noise-conscious layout – Trace spacing and grounding provisions that, in many cases, help with industrial EMC and signal integrity.
• Service-friendly labeling – Clear channel markings; maintenance teams can trace circuits quickly during outages.
• Revision AAB – A later hardware revision that is typically backward-compatible within the TBC series envelope.
• Cabinet-ready form factor – Mounts to backpanels or subplates inside GE control cores; pairs with ribbon/plug harnesses to controller I/O cards.

Technical Specifications

Application Fields

This board is commonly found in:

• GE Speedtronic Mark V gas and steam turbine control cabinets
• GE industrial drives and excitation systems where DS200-series I/O termination is required
• Balance-of-plant panels handling status contacts, interlocks, permissives, and alarm fan-outs
• Retrofit/upgrade projects needing a like-for-like TBC board replacement to reduce downtime

A maintenance supervisor recently shared: “Swapping in DS200TBCAG1AAB took us less than an hour. Terminals lined up with our drawings and the harness mated straight away. No surprises during the restart window.”

Advantages & Value

• Reliability in harsh cabinets – The board layout and materials handle vibration and electrical noise typical of turbine halls and MCC rooms.
• Compatibility – Intended as a direct fit in DS200/TBC locations; in many cases, revision AAB is backward-friendly within the TBC family.
• Downtime reduction – Clear labeling and screw terminals speed field replacement during tight outage windows.
• Cost control – Practical alternative to redesigning wiring looms; keeps existing harnessing and documentation usable.
• Support – We assist with model and revision checks against your cabinet BOM, helping avoid mismatches.

Installation & Maintenance

• Cabinet environment – Install in a clean, ventilated enclosure. Maintain adequate spacing from high-heat sources and high-frequency drives.
• Wiring practices – Use ferrules or properly crimped lugs; segregate low-level signals from power cabling; route shield drains to designated ground points.
• Torque & labeling – Tighten terminals to the recommended torque; verify terminal numbering against cabinet drawings before energization.
• ESD handling – Treat as a PCB assembly; use grounding straps and antistatic packaging during handling.
• Routine checks – Periodically re-torque terminals, inspect for discoloration or loosened shields, and remove dust with dry, oil-free air.
• No firmware upkeep – As a passive termination board, there are no configuration files or firmware updates to maintain.

Quality & Certifications

• Typically used within CE/UL compliant control panels when integrated to applicable standards
• Manufacturing quality aligned with industrial control norms (ISO-based processes at OEM level)
• RoHS applicability may vary by production year; many legacy boards predate full RoHS adoption
• Warranty: 365 days (repair/replace)

Related/Supporting Components

Plants often pair the DS200TBCAG1AAB with DS200-series controller I/O cards and other termination boards. Common companions include DS200TCQA/TCQC controller interfaces and additional TBC/TBQ boards for expanded I/O. If you share your cabinet BOM or photos, we can verify inter-board compatibility before shipment.