Product Short Description

Product Introduction

The GE DS200TCQCG1AJD is a TCQC (Thermocouple and RTD Conditioning) RST Overflow Board in the Mark V Speedtronic DS200 series, serving as a specialized interface for temperature signal processing and RST (Rotor Speed Tracking) overflow management in turbine control. It integrates precision thermocouple/RTD signal conditioning, cold junction compensation, linearization, and digital filtering circuits, with 16 dedicated temperature input channels and RST overflow handling capabilities. The board uses an 80196 microprocessor, multiple PROM/EPROM modules for firmware storage, and a 50-pin terminal connector (JRR) for field wiring, plus a side-mounted status LED for real-time diagnostics. It mounts in the Mark V C core via the VME P1 connector, featuring 1500 Vrms isolation between field and logic circuits through optoelectronic isolation to eliminate noise and ground loops. It is designated Group 1 with artwork/functional revision AJD, and is supported by the GEH-6153 reference manual, ensuring seamless integration into Mark V architectures for critical turbine temperature monitoring and RST overflow control.

Description

Technical Specifications

Parameter Details
Brand GE (General Electric) Mark V Speedtronic DS200 Series
Model DS200TCQCG1AJD
Product Type TCQC (Thermocouple and RTD Conditioning) RST Overflow Board, Group 1, Revision AJD
Application Mark V Speedtronic Gas/Steam Turbine Control Systems
Mounting Mark V C core, full VME slot via VME P1 connector
Processor Intel 80196 microprocessor
Firmware Storage Multiple PROM/EPROM modules
Temperature Input Channels 16 dedicated channels (thermocouple/RTD)
Sensor Compatibility K, J, T, E, N type thermocouples; Pt100 RTDs
Signal Conversion Millivolt/resistance to 12-bit digital values
Cold Junction Compensation Integrated precision CJC circuit
Isolation 1500 Vrms (field-logic circuits, optoelectronic)
Connectors 50-pin terminal connector (JRR) for field wiring
Status Indicator 1 side-mounted LED (power/communication/fault)
PCB Coating Industrial-grade protective coating
Operating Temperature -40°C to +70°C
Storage Temperature -40°C to +85°C
Humidity 5% – 95% RH (non-condensing)
Dimensions Approx. 12.5 × 5.5 × 2.5 inches (317.5 × 139.7 × 63.5 mm)
Weight Approx. 2.9 kg (6.3 lbs)
Power Supply 5 V DC ± 5% (from VME backplane)
Data Transfer Rate Up to 2 MB/s (VMEbus standard)
Compliance IEC 61010-1, IEC 61326-1
Reference Manual GEH-6153

Functional Features

  • Dedicated Temperature Conditioning: 16 channels process thermocouple/RTD signals with integrated cold junction compensation, linearization, and digital filtering for accurate temperature measurement.
  • RST Overflow Management: Handles rotor speed tracking overflow to prevent data loss during high-speed turbine operations, ensuring continuous monitoring of rotor dynamics.
  • Microprocessor-Driven Processing: 80196 microprocessor enables firmware-based signal scaling, calibration, and overflow control for consistent performance.
  • Optoelectronic Isolation: 1500 Vrms isolation eliminates noise and ground loops, enhancing signal integrity and system reliability.
  • Multi-Sensor Compatibility: Supports K, J, T, E, N type thermocouples and Pt100 RTDs for flexible integration with turbine temperature sensors.
  • Firmware Upgradeability: PROM/EPROM modules allow field-upgradeable firmware to adapt to evolving turbine control requirements.
  • Status Monitoring: Side-mounted LED provides real-time power, communication, and fault alerts for quick diagnostics and reduced downtime.
  • Industrial-Grade Durability: Protective PCB coating resists dust, moisture, and vibration in power generation environments.
  • Plug-and-Play Integration: VME backplane compatibility enables hot-swappable replacement without full system shutdown, minimizing operational disruptions.
  • High-Precision Conversion: 12-bit resolution ensures accurate temperature data for critical turbine protection and control loops.
  • RST Overflow Handling: Manages RST data overflow to maintain rotor speed tracking accuracy during transient turbine conditions.

Functional Features

  • Dedicated Temperature Signal Processing: 16 channels with integrated cold junction compensation, linearization, and digital filtering ensure precise thermocouple/RTD signal conversion for turbine temperature monitoring.
  • RST Overflow Management: Handles rotor speed tracking data overflow to prevent signal loss and maintain accurate speed measurement during rapid turbine acceleration/deceleration.
  • Microprocessor-Driven Control: 80196 microprocessor executes firmware-based signal scaling, calibration, and overflow logic for consistent performance across all channels.
  • Optoelectronic Isolation: 1500 Vrms isolation eliminates noise and ground loops, safeguarding signal integrity and operator safety.
  • Multi-Sensor Compatibility: Supports K, J, T, E, N type thermocouples and Pt100 RTDs for flexible integration with diverse turbine temperature sensors.
  • Firmware Upgradeability: PROM/EPROM modules enable field firmware updates to align with evolving turbine control strategies.
  • Real-Time Status Monitoring: Side-mounted LED delivers instant power, communication, and fault alerts for rapid diagnostics and reduced downtime.
  • Industrial-Grade Build: Protective PCB coating withstands dust, moisture, and vibration in power generation environments.
  • Hot-Swappable Design: VME backplane compatibility allows module replacement without full system shutdown, minimizing operational disruptions.
  • 12-Bit Conversion Accuracy: Ensures precise temperature data for critical turbine protection loops (exhaust temperature, bearing temperature, winding temperature).
  • Seamless System Integration: JRR connector and VME backplane compatibility enable plug-and-play integration with Mark V C core components.

Application Scenarios

  • Gas Turbine Temperature Monitoring: Processes exhaust gas temperature (EGT), bearing temperature, and winding temperature signals for protection and load regulation in Mark V setups.
  • Steam Turbine Rotor Speed Tracking: Manages RST overflow to maintain accurate rotor speed measurement during steam turbine start-up and load changes.
  • Combined Cycle HRSG Temperature Control: Interfaces with HRSG temperature sensors to optimize heat transfer and steam production in combined-cycle power plants.
  • Industrial Turbine Compressors: Handles temperature signals for turbine-driven compressors in petrochemical refineries and natural gas processing plants, withstanding harsh industrial environments.
  • Mark V System Retrofits: Replaces legacy TCQC RST overflow boards in existing Mark V installations, preserving I/O compatibility and control precision while supporting firmware upgrades.
  • Turbine Commissioning & Calibration: Enables reliable temperature signal processing during parameter calibration and system validation, simplifying setup and reducing commissioning time.
  • Grid-Connected Power Plants: Supports turbine load control via accurate temperature feedback, ensuring stable power output and grid synchronization.
  • Marine Turbine Propulsion: Integrates with shipboard Mark V systems to manage temperature I/O and RST overflow for propulsion control, ensuring reliable at-sea operations.
  • Turbine Safety System Interfacing: Transmits critical temperature signals to ESD systems for safe shutdown during abnormal conditions (overtemperature, overtemperature rate).

Reviews

There are no reviews yet.

Be the first to review “GE DS200TCQCG1AJD”

Your email address will not be published. Required fields are marked *

View Related Products