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GE IS200TDBSH6ABC｜Boards for Turbine Control｜

Digital Input Terminal Board (Discrete Signal Interface)
GE Mark VI Control System – IS200 Series

Product Overview

This digital input terminal board is designed for the GE Mark VI control system and serves as a field wiring and signal interface for Mark VI series digital input I/O modules. It performs digital signal acquisition, conditioning, and conversion, supporting equipment status monitoring and logic control in turbine and industrial automation applications.

The board installs directly within Mark VI I/O racks and is engineered for reliable operation in harsh industrial environments.

Core Functions

Acquisition of discrete digital input signals

Signal conditioning and conversion for Mark VI I/O modules

Supports equipment status indication, alarms, and logic interlocks

High resistance to electrical noise and surge disturbances

Installation & Mechanical Specifications

Installation method: Cabinet panel mounting

System compatibility: Mark VI system I/O rack

Protection level: IP20 (installed inside control cabinet)

Terminal configuration:

Two sets of terminal blocks: TB1 and TB2

Suitable for multi-channel digital signal wiring

PCB protection: Three-proof conformal coating
(moisture-proof, anti-mold, anti-salt-spray)

Weight: approx. 0.3 kg

Key Technical Parameters

Input Configuration

24 digital input channels

Input Voltage

24 V DC (standard excitation voltage)

Input Current

2.5 mA per channel (standard channels)

Signal Conditioning

Built-in filtering to suppress high-frequency noise and surge interference

Response Performance

Response time: ≤ 10 ms

Isolation & Anti-Interference

Channel-group electrical isolation

Enhanced immunity to industrial electrical noise

Power Supply

Powered from system backplane

Compatible with Mark VI 24 V DC logic power supply

Environmental Conditions

Operating temperature: –30 °C to +65 °C

Relative humidity: 5 % to 95 %, non-condensing

System Adaptation

Compatible with Mark VI series I/O modules
(e.g., IS200IOCCH1A and similar modules)

Typical Applications

Turbine auxiliary equipment status monitoring

Discrete alarm and trip signal acquisition

Logic control and interlock systems

Mark VI DCS and turbine control platforms

GE IS200TDBSH6ABC｜Boards for Turbine Control｜

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GE IS200TDBSH6ABC｜Boards for Turbine Control｜illustration1

By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.

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