Description
1. Product Title
GE IS200STCIH6AED – Mark VI Simplex Contact Input Termination Board
2. Product Overview
TheIS200STCIH6AED is a Simplex Contact Input (STCI) termination board designed for the General Electric Mark VI Speedtronic turbine control system. This module serves as the primary physical landing point for discrete field wiring, such as limit switches, pushbuttons, and auxiliary relay contacts. Its core function is to receive digital (on/off) signals from the field and prepare them for processing by the Mark VI I/O modules.
Equipped with a high-density terminal layout, theIS200STCIH6AED provides organized termination for up to 50 contact inputs. It includes onboard signal conditioning and opto-isolation to protect the internal control logic from the high-voltage transients and electrical noise common in industrial power plant environments. This board is an essential component for engineers seeking a reliable, high-density solution for monitoring the mechanical status and interlocking sequences of gas and steam turbines.
3. Technical Specifications
- Brand: General Electric (GE)
- Model:IS200STCIH6AED
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VI Speedtronic
- Input Capacity: 50 Discrete Contact Inputs
- Excitation Voltage: Supports 24 VDC, 48 VDC, or 125 VDC (hardware dependent)
- Termination Type: Two-tier barrier terminal blocks (screw-type)
- Protection: Optical isolation and surge suppression (MOV)
- Compatibility: Designed for use with the TBCI and VBCI I/O processor modules
- Operating Temp: -30°C to +65°C (-22°F to +149°F)
4. Key Features & Benefits
- High-Density Termination: Supports 50 separate input channels on a single PCB, significantly reducing the amount of cabinet space required for large-scale discrete monitoring.
- Galvanic Isolation: Every input channel is optically isolated, ensuring that field faults or electrical surges do not propagate to the sensitive VMEbus or primary processors.
- Flexible Excitation: The IS200STCIH6AED can be configured to use internal system power or external field power for contact excitation, providing versatility for various plant wiring standards.
- Simplified Troubleshooting: Each input group is designed for easy access with standard test probes, allowing technicians to verify field signals directly at the terminal block.
5. Application Scenarios
- Turbine Auxiliary Monitoring: Used to track the status of lube oil pumps, cooling fans, and enclosure doors, providing the Mark VI system with a comprehensive overview of mechanical health.
- Emergency Shutdown (ESD) Interfacing: Serves as the landing point for hardwired emergency stop buttons and fire suppression system triggers.
- Sequence of Events (SOE) Recording: When paired with high-speed I/O packs, the <span style=”color: blue;”>IS200STCIH6AED</span> enables precise time-stamping of contact state changes for post-trip forensic analysis.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the IS200STCIH6AED ?
- A: It is a termination board that provides the physical connection points for up to 50 digital contact inputs from the field to the Mark VI control system.
- Q: Does the “AED” suffix impact system compatibility?
- A: Yes, the “AED” indicates the specific hardware revision. You must ensure this revision matches your system’s configuration to ensure proper physical fit and signal compatibility.
- Q: Can this board handle 125 VDC wetting voltage?
- A: Yes, the IS200STCIH6AED is typically designed to accommodate standard 125 VDC excitation used in many power utility applications.
