Description
DS200TCDAH1BGD Product Description
Description
The DS200TCDAH1BGD is a high-performance digital I/O processing board developed by General Electric (GE), a core component of the Speedtronic Mark V turbine control system. It serves as a “digital signal hub” that terminates, processes, and routes bidirectional digital signals between field devices (e.g., valves, relays) and the Mark V controller, enabling real-time command execution and status feedback in industrial automation systems.
Engineered for rugged reliability, this board resolves signal latency and integration issues in complex turbine setups, ensuring seamless communication between discrete control components and the system’s central processing unit—critical for safe, efficient turbine operation.
Application Scenarios
A 400MW combined-cycle power plant in Florida struggled with “valve response lag” in its gas turbine fuel control system. Legacy digital I/O boards processed valve actuation signals at 50ms latency, causing fuel flow mismatches during load changes and triggering 2–3 monthly efficiency alarms. Additionally, the boards lacked robust protection, failing 4–5 times yearly due to accidental reverse polarity during maintenance—each failure cost $50,000 in repairs and downtime. Third-party replacements required custom programming for Mark V compatibility, delaying upgrades by weeks.
After integrating DS200TCDAH1BGD, the plant eliminated response lag entirely. The board’s 5ms signal processing speed synchronized valve actuation with fuel demand, while its built-in reverse polarity protection prevented maintenance-related failures. Within 6 months, the plant avoided $300,000 in downtime costs and reduced I/O board replacements by 100%. The plant’s controls engineer noted, “DS200TCDAH1BGD turned our fuel control system from a bottleneck into a strength—load changes are now smooth, and we haven’t replaced a board since installation.”
Parameter
| Main Parameters | Value/Description |
| Product Model | DS200TCDAH1BGD |
| Manufacturer | General Electric (GE) |
| Product Category | Digital I/O Processing Board (Speedtronic Mark V Series) |
| Core Function | Terminates, processes, and routes bidirectional digital signals; enables real-time communication between field devices and Mark V CPU – Ensures precise control execution |
| I/O Channel Configuration | 32 bidirectional channels – Supports simultaneous input (status feedback) and output (control commands) |
| Signal Processing Latency | ≤5ms – 10x faster than legacy boards, enabling rapid device response |
| Voltage Compatibility | 5V–24V DC – Works with standard industrial digital sensors and actuators |
| Per-Channel Current Capacity | 200mA – Powers small loads like indicator lights and relay coils |
| Protection Features | Reverse polarity protection, overcurrent protection (250mA trip) – Prevents board damage from wiring errors |
| Physical Dimensions | 17cm × 15cm × 8cm – Fits standard Mark V control rack slots without modification |
| Weight | 1.68kg – Robust build for vibration resistance in turbine environments |
| Operating Temperature Range | -40°C to +85°C – Stable in extreme industrial conditions (e.g., desert power plants, arctic pipelines) |
| Communication Interface | IONet network integration – Enables serial data exchange with IO engine and other TCDA boards |
| Configuration Components | 8 programmable jumpers, 10-status LED array – Allows on-site customization and visual fault diagnosis |
DS200TCDAH1BGD
Technical Principles and Innovative Values
Innovation Point 1: Ultra-Low Latency Signal ProcessingUnlike legacy I/O boards with 50–100ms latency, DS200TCDAH1BGD uses a dedicated 32-bit microprocessor to process signals in ≤5ms . This speed advantage ensures turbine components like fuel valves and bypass dampers respond instantly to CPU commands, reducing load change transients by 80% compared to competitor boards (e.g., Siemens S7 digital modules). A Texas refinery reported a 15% improvement in steam turbine efficiency after upgrading, as pressure control valves adjusted faster to demand shifts.
Innovation Point 2: Integrated Hardware ProtectionThe board’s dual-protection design (reverse polarity + overcurrent) addresses a top cause of I/O board failures. In field tests, DS200TCDAH1BGD survived 10+ accidental reverse polarity connections that destroyed legacy boards, cutting replacement costs by 90%. A coal-fired plant in Indiana avoided $200,000 in unplanned downtime after a technician incorrectly wired a valve actuator—DS200TCDAH1BGD shut down the channel safely without damage.
Innovation Point 3: IONet Ecosystem SynergyEngineered for native Mark V integration, DS200TCDAH1BGD connects directly to the system’s IONet network, eliminating the need for custom gateways . Third-party boards require 4–6 hours of protocol configuration; DS200TCDAH1BGD syncs with the IO engine in 30 minutes, slashing commissioning time by 92%. A wind farm in Iowa completed a full I/O upgrade in one shift, vs. three days with non-GE alternatives.
Innovation Point 4: User-Centric Diagnostics & ConfigurationThe 10-LED array provides at-a-glance status for each 4-channel bank (e.g., green = normal, red = fault), while 8 programmable jumpers let users adjust signal thresholds without software . Legacy boards required laptop-based programming for such changes; DS200TCDAH1BGD enables on-site adjustments in 10 minutes, reducing maintenance time by 85%. A Canadian power plant used this feature to reconfigure emergency shutdown signal routing during a routine inspection, avoiding a 2-day outage.
Application Cases and Industry Value
Combined-Cycle Power Plant (Florida, U.S.)The 400MW plant’s gas turbine fuel control system suffered from valve lag and frequent board failures. After installing GE DS200TCDAH1BGD, its 5ms latency synchronized fuel flow with turbine demand, eliminating efficiency alarms. The board’s reverse polarity protection also prevented 3 potential failures during maintenance. Six months later, the plant’s turbine availability rose from 92% to 99%, adding $840,000 in annual generation revenue. A planned shutdown was avoided when the LED array flagged a faulty pressure switch relay—technicians replaced it before it caused a trip.
Steel Mill (Ohio, U.S.)A steel mill’s blast furnace turbine relied on outdated I/O boards that failed monthly due to overcurrent from cooling fan relays. GE DS200TCDAH1BGD’s 250mA overcurrent protection tripped safely during overloads, protecting the board while alerting operators via the LED array. The mill reduced I/O-related downtime by 95% and saved $120,000 in annual replacement costs. The board’s IONet integration also let the mill add remote monitoring, cutting troubleshooting trips to the furnace control room by 60%.
Related Product Combination Solutions
Maximize Mark V system control precision with these GE-compatible components that synergize with GE DS200TCDAH1BGD:
DS200CPUH1A: Mark V Main CPU – Sends control commands and receives status data via DS200TCDAH1BGD.
DS200TBCAG1AAB: Analog I/O Terminal Board – Complements DS200TCDAH1BGD by managing analog signals (e.g., temperature) alongside digital I/O.
DS200DCFBG1BLC: Power Supply Board – Delivers stable 24V DC to DS200TCDAH1BGD and connected field devices .
DS200SLCCG1AAA: LAN Communication Card – Shares DS200TCDAH1BGD data with SCADA systems for remote monitoring.
DTBA Terminal Board: Digital Signal Terminal Block – Terminates field wiring before routing signals to DS200TCDAH1BGD .
ToolboxST Software: GE Configuration Tool – Maps I/O channels on DS200TCDAH1BGD to turbine components, simplifying setup.
IS220PPRFH1A: Regulated Power Supply – Ensures consistent voltage for DS200TCDAH1BGD’s signal processing circuits.
Installation, Maintenance, and Full-Cycle Support
Installing GE DS200TCDAH1BGD is designed for minimal disruption. First, power off the Mark V control rack and align the board with the digital I/O slot, ensuring the IONet connector mates with the backplane. Secure it with the existing mounting screws, then connect field devices to the terminal blocks—no custom wiring adapters are needed. Use the 8 jumpers to configure signal thresholds (e.g., 5V vs. 24V input) and verify connectivity via the LED array. Commissioning takes just 1 hour: sync the board to the IONet network and test signal transmission with the CPU.
Maintenance is intuitive and efficient. Weekly checks involve inspecting the LED array for fault indicators and tightening terminal connections—no calibration is required. If a channel fails, the red LED for that bank pinpoints the issue instantly, and the board’s overcurrent protection isolates the fault without affecting other channels. Replacement is tool-free: slide out the faulty DS200TCDAH1BGD, transfer the removable terminal block, and insert the new unit—total time <20 minutes.
GE backs DS200TCDAH1BGD with a 12-month warranty covering material and workmanship defects. Our 24/7 global technical support team provides guidance for jumper configuration, IONet integration, and troubleshooting, with specialists experienced in Mark V systems. For retrofits, GE engineers can conduct on-site assessments to optimize board placement and wiring, ensuring compatibility with legacy components.
Whether you’re resolving signal lag, reducing board failures, or upgrading your Mark V system’s digital I/O, DS200TCDAH1BGD delivers the speed and reliability industrial operations demand. Contact us for a customized solution tailored to your turbine type and control requirements.
