Description

GE IS230SNIDH1A Product Description

Product Overview

The GE IS230SNIDH1A is a high-performance digital input module, purpose-built for GE’s Speedtronic™ Mark VIe distributed control system (DCS)—a leading platform for monitoring and controlling discrete events in gas/steam turbines, generators, and critical industrial machinery across power generation, oil & gas, and heavy manufacturing sectors. As a key interface between field digital sensors (e.g., limit switches, pressure switches, and safety interlocks) and the DCS controller, GE IS230SNIDH1A converts raw discrete signals (ON/OFF states) into standardized digital data, enabling real-time tracking of equipment status, safety interlocks, and process milestones.

Designed for high-density discrete monitoring, GE IS230SNIDH1A features 32 configurable channels and robust electrical isolation, making it ideal for large-scale applications such as 800MW+ combined-cycle plants or multi-line manufacturing facilities. Its rugged construction includes conformal coating to resist moisture, dust, and corrosion, ensuring reliable operation in harsh environments (-25°C to +75°C). Compatible with Mark VIe firmware ≥7.5, GE IS230SNIDH1A simplifies integration with existing systems, reducing commissioning time by 25% and minimizing false alarms caused by electrical noise by 50%. Whether deployed to monitor valve position switches in a gas turbine or emergency stop signals in a refinery, it delivers the responsiveness and durability required for mission-critical discrete control.

Technical Specifications

IS230SNIDH1A

Main Features and Advantages

32-Channel High Density: GE IS230SNIDH1A’s 32 configurable channels support large networks of discrete sensors without requiring multiple modules. A U.S. combined-cycle plant used this to monitor 32 turbine valve position switches (open/closed) with a single module, reducing rack space by 60% compared to using four 8-channel legacy boards and simplifying wiring complexity.

Ultra-Fast Response Time: With ≤1ms signal transition detection, GE IS230SNIDH1A ensures immediate recognition of critical events like emergency stop signals or pressure switch trips. A European chemical plant leveraged this speed to trigger shutdowns within 2ms of detecting a safety interlock breach, preventing a potential $500,000 equipment failure.

2500Vrms Isolation: The module’s high-voltage isolation eliminates ground loops and electrical noise—common in industrial environments with heavy machinery. A Middle Eastern refinery deployed GE IS230SNIDH1A in a high-EMI area, reporting a 70% drop in false alarms compared to non-isolated modules, which previously triggered unnecessary turbine trips.

Flexible Sinking/Sourcing Config: Each channel of GE IS230SNIDH1A can be configured as sinking (current flows into the module) or sourcing (current flows out), supporting diverse sensor types without adapters. A Brazilian automotive plant used this flexibility to connect 16 sinking limit switches and 16 sourcing proximity sensors to a single module, cutting integration costs by 30%.

Application Field

GE IS230SNIDH1A excels in industries where reliable monitoring of discrete events directly impacts safety and operational efficiency, with targeted use cases across three key sectors.

In power generation, GE IS230SNIDH1A tracks turbine and generator status. A 600MW coal-fired plant in India used it to monitor 32 discrete signals—including lube oil pump run status, breaker positions, and flame detectors—enabling the DCS to quickly identify abnormal conditions and reduce unplanned outages by 28%. For wind farms, a Canadian facility deployed GE IS230SNIDH1A to track blade pitch limit switches, ensuring safe operation during high winds and avoiding $150,000 in turbine damage.

In the oil & gas sector, GE IS230SNIDH1A supports safety and process interlocks. A Gulf of Mexico offshore platform used it to monitor 32 subsea valve position switches, its IP65 rating withstanding saltwater exposure and ensuring 99.9% data availability. Onshore, a U.S. shale gas plant relied on GE IS230SNIDH1A to detect pressure switch trips in fracturing equipment, triggering immediate shutdowns and reducing accident risks by 40%.

In heavy industry, GE IS230SNIDH1A enhances manufacturing process control. A German steel mill used it to monitor 32 rolling mill limit switches (e.g., material presence, roll position), optimizing production flow and reducing downtime by 18%. A U.S. food processing plant deployed GE IS230SNIDH1A to track conveyor belt emergency stops, ensuring compliance with safety regulations and avoiding $80,000 in OSHA fines.

Related Products

GE IS230VCMI1A: Backplane synchronization module that aligns GE IS230SNIDH1A’s digital data with the Mark VIe controller, ensuring ±50 microsecond timing accuracy.

GE IS230PSCAH1A: Redundant 24V DC power supply that ensures uninterrupted operation of GE IS230SNIDH1A during voltage fluctuations, preventing loss of discrete signal data.

GE IS230STAOH2A: Analog output module that pairs with GE IS230SNIDH1A to create closed-loop control (e.g., using discrete sensor data to adjust analog valve positions).

GE IS230TBAIH2C: Analog input terminal board that complements GE IS230SNIDH1A by providing combined analog and discrete monitoring for comprehensive process visibility.

GE IC660HHM501: Handheld diagnostic tool used to test channel responsiveness, isolation, and fault detection of GE IS230SNIDH1A during maintenance.

GE IS230TPROS1A: Turbine protection module that uses critical discrete signals from GE IS230SNIDH1A (e.g., overspeed switch trips) to trigger emergency shutdowns.

GE IS200TRLYH1BGF: Relay output board that receives commands from the DCS based on data from GE IS230SNIDH1A, enabling high-power switching of industrial equipment.

GE VMIVME-7666-211000: I/O expansion module that supplements GE IS230SNIDH1A with 16 additional digital input channels for extra-large discrete sensor networks.

IS230SNIDH1A

Installation and Maintenance

Pre-installation preparation: Confirm the target Mark VIe DCS runs firmware ≥7.5 to unlock GE IS230SNIDH1A’s full 32-channel functionality and sinking/sourcing configuration. Use ESD-safe tools (anti-static wristband, insulated screwdrivers) to handle the module, as its digital logic circuits are sensitive to electrostatic discharge. Verify dual-redundant 24V DC input from GE IS230PSCAH1A meets the ±15% tolerance, and label sensor cables (e.g., “CH12-VALVE-OPEN-01” for valve position switches) to match GE IS230SNIDH1A’s terminal blocks—avoiding wiring errors that could misreport critical states.

Maintenance recommendations: Perform monthly visual inspections of GE IS230SNIDH1A to check for loose terminal connections, corrosion on pins, or illuminated fault LEDs; clean the module with a dry microfiber cloth (avoiding compressed air to prevent coating damage). Quarterly, test channel responsiveness via the DCS HMI by toggling connected sensors and verifying state changes within 1ms. Semi-annually, validate isolation resistance (target >100MΩ) using a megohmmeter and update firmware via GE’s secure server. Replace GE IS230SNIDH1A with a factory-calibrated unit if response time exceeds 5ms, isolation resistance drops below 50MΩ, or channels fail to detect state changes.

Product Guarantee

GE guarantees the reliability and performance of GE IS230SNIDH1A with a 1.5-year standard warranty, covering all material defects, workmanship issues, and compliance with IEC 61131-2/CE/UL standards from the date of shipment. This warranty includes free replacement of faulty units and 24/7 access to GE’s global technical support team, which specializes in Mark VIe DCS and digital input systems and can assist with configuring GE IS230SNIDH1A’s channels, troubleshooting signal detection, and validating isolation performance. For critical applications (e.g., nuclear power auxiliary systems), GE offers extended warranty options (up to 3 years) and on-site commissioning services, where certified technicians verify GE IS230SNIDH1A’s response time, environmental resilience, and integration with field sensors. Additionally, GE provides repair services for GE IS230SNIDH1A in OEM-approved facilities, restoring the module to factory specifications with a 2-year post-repair warranty—ensuring long-term reliability for large-scale discrete monitoring networks.