Basic Information

• Model: IS200SDIIH1ADB, Spare Part No.: MRP683026

• Brand: General Electric (GE)

• Series: Mark VI / Mark VIe Speedtronic Turbine Control System

• Type: Simplex Analog Input Terminal Board (STAI) – Provides analog signal conditioning, I/O interface and field transmitter connection for Mark VI/VIe controllers (VTUR, VCRC, VCC processor boards).

• Core Function: Delivers 10 analog inputs and 2 analog outputs, compatible with 2-wire, 3-wire, 4-wire and externally powered transmitters for process signal acquisition and control output.

Core Functions

1. 10 Analog Inputs: Supports 4-20mA, 0-5V/10V signals; compatible with 2/3/4-wire and externally powered transmitters with isolation and filtering.

2. 2 Analog Outputs: Jumper-configurable 0-20mA; one output expandable to 0-200mA for field actuator driving.

3. Simplex Design: Non-TMR (Triple Modular Redundant); dual-board combination enables up to 24 contact outputs for non-critical loops.

4. Onboard ID Chip: Auto-identification, system diagnostics and easy module replacement.

5. High-Density Euro-Terminals: 48 screw terminals, shielded twisted-pair compatible for strong EMI resistance.

6. Relay Output Expansion: 12 Type C dry-contact relays, expandable to 24 outputs for status indication and interlock control.

2. Key Hardware Specifications

1. Electrical Parameters

• Power Supply: 24VDC (backplane/external), power consumption ~5W.

• Analog Inputs: 10 channels, 4-20mA, 0-5V/10V; 2/3/4-wire transmitter compatible.

• Analog Outputs: 2 channels, 0-20mA (jumper configurable); 1 channel expandable to 0-200mA.

• Relay Outputs: 12 Type C dry contacts with coil voltage LED indicators.

• Connection: Single cable to VTUR/VCRC/VCC processor boards; onboard ID chip for system recognition.

• Diagnostics: Onboard self-test, ID identification, LED status indication.

2. Physical & Environmental

• Mounting: DIN rail or cabinet mounting with metal carrier and insulator.

• Dimensions: ~216mm × 206mm × 30mm (8.5 × 8.1 inches); Weight: ~2.5kg.

• Operating Temp: -40°C to +70°C; Storage Temp: -55°C to +85°C; Humidity: 5%–95% (non-condensing).

• Protection: Industrial conformal coating, vibration and EMI resistant for harsh power plant environments.

3. Certifications & Manuals

• Certifications: CE, UL, IEC 61010-1 and industrial safety standards.

• Manuals: GE Mark VI/VIe System Hardware Manual, Terminal Board Installation & Wiring Guide.

3. Key Features & Benefits

1. Flexible Signal Compatibility: 10 inputs support all common analog transmitters; 2 outputs meet diverse driving needs with easy field wiring.

2. Cost-Effective Simplex: Ideal for non-redundant loops; dual-board expansion for higher output capacity.

3. Diagnostic & Easy Maintenance: Auto-ID, LED status, plug-and-play to reduce downtime and commissioning time.

4. Industrial Reliability: Wide temperature range, conformal coating and EMI resistance for gas/steam turbines and combined-cycle plants.

5. High-Density Wiring: 48 Euro-terminals with shielding for stable signal transmission.

4. Typical Applications

• Gas/Steam/Combined-Cycle Power Plants: Acquisition of temperature, pressure, flow, level and voltage analog signals.

• Power Plant DCS/Mark VI/VIe Systems: Process I/O interface, transmitter connection, actuator driving and auxiliary system monitoring.

• Industrial Compressors, Pumps & Turbines: Non-critical loop analog signal input, status feedback and interlock control.