GE IS200TBCIH1C Speedtronic Mark VI Contact Input Terminal Board

Description

Technical Specifications

• Manufacturer: General Electric (GE)
• Model Number: IS200TBCIH1C
• Product Series: Speedtronic Mark VI (MKVI) Turbine Control System
• Module Type: Contact Input Terminal Board (CITB)
• Input Channels: 24 galvanically isolated dry contact input channels
• Input Voltage Rating: 125 VDC (nominal)
• Input Signal Type: Dry contact / potential-free contact (NO/NC)
• Terminal Configuration: Two barrier-type terminal blocks (24 positions total) for field wiring
• Connector Interface: High-density ribbon cable connectors for system backplane connection
• Power Consumption: 20.6 W (typical at full load)
• Operating Temperature: -30°C to +65°C (-22°F to 149°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Protection Rating: IP20 (dust and solid object protection)
• Physical Dimensions: 220 mm × 110 mm × 30 mm (8.7″ × 4.3″ × 1.2″)
• Weight: 0.55 kg (1.21 lbs)
• Certifications: CE, UL 508, IEC 61158, RoHS
• Compliance: EN 61000-6-4 (industrial EMC standards)
• Warranty: 24 months

Key Features

1. 24 Isolated Contact Inputs: Provides 24 independent, galvanically isolated channels for dry contact signals, eliminating ground loop interference and ensuring signal integrity.
2. Robust Field Wiring Interface: Equipped with two heavy-duty barrier terminal blocks, supporting direct connection to limit switches, pushbuttons, relay contacts, and safety interlocks.
3. High Noise Immunity: Integrated surge suppression, EMI filtering, and opto-isolation protect against voltage spikes, electrical noise, and transients in power plant environments.
4. Seamless Mark VI Integration: Designed for direct compatibility with GE Speedtronic Mark VI systems, supporting simplex, dual, and triple-redundant control configurations.
5. Real-Time Signal Acquisition: Delivers fast, reliable contact status data to the main controller for critical turbine functions like start/stop interlocks, emergency trip systems, and condition monitoring.
6. Hot-Swap Capability: Supports online replacement without system shutdown, minimizing maintenance downtime and enhancing system availability.
7. LED Status Indicators: Individual LED indicators for each input channel provide immediate visual status, simplifying on-site troubleshooting and maintenance.
8. Durable Industrial Construction: Multilayer PCB with SMT components, vibration-resistant design, and conformal coating ensure reliable operation in extreme temperature and vibration conditions.

Application Scenarios

• Gas Turbine Power Plants: Core I/O interface for GE Speedtronic Mark VI-controlled gas turbines, monitoring safety interlocks, fuel system status, and auxiliary equipment contacts.
• Steam Turbine Power Plants: Used in thermal power plants for steam turbine control systems, acquiring contact signals for valve position, bearing condition, and emergency trip systems.
• Combined Cycle Power Plants: Integrates with multi-turbine control systems, coordinating contact input monitoring between gas and steam turbine units.
• Oil & Gas Industry: Deployed in compressor stations, refineries, and petrochemical plants for turbine-driven machinery control and safety interlock monitoring.
• Industrial Cogeneration Facilities: Supports on-site power generation in manufacturing plants, monitoring boiler, turbine, and auxiliary system contact status.
• Power Plant Safety Systems: Critical for emergency shutdown (ESD) systems, fire and gas detection interlocks, and critical equipment status monitoring in power generation facilities.