+86 18030182217
+86 18030182217
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Description
Product Overview
The GE DS200RTBAG5A is a Relay Terminal Board (RTBA) engineered for GE’s Mark V series of industrial control systems, specializing in high-power relay switching and signal conditioning for turbine control, power generation, and heavy machinery applications. As a critical component of the Speedtronic LST TMR (Triple Modular Redundancy) architecture, this board provides ten industrial-grade relays for interfacing low-level control signals with high-power loads, ensuring reliable operation in safety-critical environments.
Integrated into the Mark V system’s drive cabinet, the GE DS200RTBAG5A supports remote relay control via the 531X307LTB LAN I/O terminal board or direct user inputs. Its 7 DPDT (Double Pole Double Throw) and 3 4PDT (Four Pole Double Throw) relays feature 110 VDC coil voltage and 10 A contact ratings (for DPDT) 22, making them suitable for applications like generator excitation control, motor protection, and circuit breaker actuation. The board’s 130 V AC metal oxide varistors (MOVs) protect against voltage surges, while removable connector blocks and screw-terminal wiring simplify field installation and maintenance 1018.
Built for rugged industrial environments, the GE DS200RTBAG5A includes a standard conformal-coated PCB to resist moisture, dust, and electromagnetic interference (EMI). Its vibration-resistant mounting and IP65-rated dust/moisture resistance make it suitable for turbine halls, offshore platforms, and other harsh settings. The board’s hot-swap capability minimizes downtime by allowing faulty units to be replaced without powering down the entire system 810.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | DS200RTBAG5A |
| Manufacturer | General Electric (GE) |
| Product Type | Relay Terminal Board (Mark V Series, EX2000 Configuration) |
| Relay Configuration | 7x DPDT (2 Form C contacts), 3x 4PDT (4 Form C contacts) |
| Coil Voltage | 110 VDC |
| Contact Ratings | DPDT: 10 A @ 250 VAC/30 VDC; 4PDT: 1 A @ 250 VAC/30 VDC |
| Surge Protection | 130 V AC metal oxide varistors (MOVs) per relay |
| Connectors | 1x 16-pin connector (RPL), 1x 2-pin connector (OPT PL), 34x pluggable terminals |
| Operating Temperature | -20°C to +70°C |
| Isolation Voltage | 1000 V AC (continuous) |
| PCB Coating | Standard conformal coating |
| Compatibility | GE Mark V modules (e.g., 531X307LTB, DS200EXPSG1A, DS200TCQAG1B) |
| Functional Revisions | Primary: A, Secondary: H, Artwork: C |
| Hot-Swap Capability | Yes |
| Diagnostics | 10x LED indicators for relay status (green: energized, red: fault) |
| Physical Dimensions | 29.2 x 7.6 x 7.6 cm (11.5 x 3.0 x 3.0 inches) |
| Weight | 0.6 kg (1.32 lbs) |
| Communication Interfaces | Serial (RS232), ARCNET (via optional LAN communications card) |
Main Features and Advantages
High-Power Relay Control: The GE DS200RTBAG5A provides ten relays with 10 A contact ratings for DPDT relays, enabling direct control of high-power loads like circuit breakers, motor starters, and generator exciters. Its removable relay sockets allow individual relay replacement without replacing the entire board, reducing maintenance costs 1018.
Surge Protection and Reliability: Each relay is protected by 130 V AC MOVs, ensuring immunity to voltage spikes and transients. The board’s conformal-coated PCB and IP65-rated enclosure withstand harsh environmental conditions, while dual isolated power inputs (24 VDC and 110 VDC) enhance system redundancy 810.
Modular Flexibility: With 34 pluggable terminals and jumper-configurable relay power sources, the board integrates seamlessly with other Mark V components like DS200EXPSG1A power supply boards and 531X307LTB LAN I/O modules. Its hot-swap capability and EPROM-based programming simplify field upgrades and reduce downtime 1018.
Advanced Diagnostics: On-board LEDs and test points enable real-time monitoring of relay status, while the 16-key alphanumeric programmer provides direct access to fault codes and system settings. This enhances predictive maintenance capabilities, reducing unplanned downtime and extending equipment lifespan 810.
Application Areas
Turbine Control Systems: The GE DS200RTBAG5A is critical for generator excitation control in gas and steam turbines, interfacing with DS200TCQAG1B (Turbine Control Card) to manage grid synchronization and overvoltage protection. Its DPDT relays regulate high-power circuit breakers, ensuring safe shutdowns during fault conditions 1018.
Power Generation: In power plants, the board facilitates motor protection by driving contactors for auxiliary systems like cooling pumps and fans. Its 4PDT relays support redundant control loops, ensuring continuous operation of critical equipment. The board’s ARCNET LAN connectivity also enables integration with supervisory control systems for centralized monitoring 1018.
Heavy Industry: Ideal for refineries and chemical plants, the GE DS200RTBAG5A interfaces with DS200EXPSG1A power supply boards to control high-voltage process valves and actuators. Its remote diagnostics via RS232 reduce manual intervention, improving operational efficiency in distributed control systems 810.
Renewable Energy: In wind turbine systems, the board manages variable frequency drive (VFD) control signals, converting low-level outputs from the Mark V controller into high-power relay commands. This ensures efficient energy conversion and grid integration. Additionally, it is used in solar power systems for control and management of energy distribution 818.
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Installation and Maintenance
Installation Preparation: Before installing the GE DS200RTBAG5A, ensure the Mark V system is powered down and grounded. Use anti-static wrist straps to prevent ESD damage, and verify compatibility with existing modules (e.g., 531X307LTB). Mount the board in the R5 core chassis using DIN rail or panel mounts, securing connectors with torque-controlled tools. Confirm proper jumper configuration based on relay power requirements (24 VDC or 110 VDC) 1018. For configuration, connect the board to a laptop via a serial cable attached to the optional LAN communications card, ensuring the serial port is correctly configured and the GE Proficy software is installed 810.
Maintenance Recommendations: Regularly inspect connectors for corrosion and clean the PCB with compressed air (avoiding direct airflow on components). Use GE’s Proficy software to verify relay status and update firmware during system downtime. Replace faulty relays immediately to maintain system integrity, leveraging the hot-swap capability for seamless replacement. For TMR configurations, perform redundancy tests quarterly to ensure all relays are operational. Configuration files stored on the board’s EPROM chips can be transferred to a replacement board to preserve settings 810.
Product Guarantee
GE offers a 1-year warranty for the GE DS200RTBAG5A, covering defects in materials and workmanship. Units undergo rigorous testing for vibration, temperature, and EMI compliance. For urgent needs, the board is available from stock with 3–5 day delivery post-payment, supported by 24/7 technical assistance for configuration and troubleshooting 810.
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