IS230TNEAH4A - Emergency Trip DIN-Rail Module

SPECIFICATIONS:

Part Number: IS230TNEAH4A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Emergency Trip DIN-Rail Module
Input Voltage: 24 VDC ±10%
Mounting Type: Standard DIN-rail
Communication Protocol: Modbus RTU
Operating Temperature: -20°C to +70°C
Storage Temperature: -40°C to +85°C
Vibration: IEC 60068-2-6
Communication Interface: RS485
Common Mode Voltage Range: ±5 V
Dimensions: 120 mm x 90 mm x 40 mm
No.of Analog Voltage Inputs: 6
Repair: 3-7 Days
Weight: 250 grams
Availability: In Stock
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

IS230TNEAH4A is an Emergency Trip DIN-Rail Module manufactured and designed by General Electric as part of the VIe Series used in GE Distributed Gas Turbine Control Systems. The module provides high-speed emergency shutdown capability by monitoring analog and digital safety inputs and initiating trips on detection of abnormal conditions. It communicates via Modbus RTU over RS485 for integration with the supervisory control system and supports six analog voltage input channels. The device is DIN-rail mountable and operates over industrial temperature and humidity ranges.

• DIN-rail mountable module for control panel integration.
• Six analog voltage inputs with ±5 V common mode tolerance.
• 24 VDC ±10% input voltage operation with low power consumption.
• Modbus RTU communication over RS485 interface for real-time monitoring and logging.
• LED indicators for status, trip activation, and fault detection.
• Continuous monitoring of system safety inputs.
• Automatic emergency shutdown initiation upon trip condition detection.

INSTALLATION:

The IS230TNEAH4A module must be securely mounted on a standard 35 mm DIN-rail within the control panel using industrial-grade mounting hardware to ensure stability and vibration resistance. Electrical connections for power, analog inputs, and output trip signals must be made according to the provided wiring diagrams, ensuring correct polarity and secure terminal fastening. Proper grounding and isolation practices should be followed to maintain signal integrity and prevent electrical noise interference. The module should be installed in an environment that complies with the specified temperature (-20°C to +70°C) and humidity (5%–95% non-condensing) ranges, avoiding exposure to corrosive gases, excessive dust, or direct moisture. Clearance around the module should be maintained to allow heat dissipation and access for inspection and maintenance, and all wiring must comply with applicable industrial and safety standards.

OPERATION:

The Module continuously monitors analog and digital inputs for emergency conditions and abnormal signal thresholds. Upon detection of a trip condition from connected safety sensors or emergency switches, the module executes an immediate hardware-level shutdown signal to the distributed control system, initiating a deterministic emergency trip sequence. The module’s analog input channels provide precise voltage measurements for verification of system status, while its internal circuitry ensures rapid response with minimal latency. Status and fault conditions are indicated via integrated LEDs, allowing real-time verification of operational readiness. Communication with the supervisory control system is maintained through the Modbus RTU interface over RS485, enabling logging of trip events, input anomalies, and diagnostic data. Preventive maintenance is supported by periodic inspection of input signals, continuity checks, and LED status verification to ensure continued reliability under industrial operating conditions.

WOC maintains one of the largest inventories of OEM replacement parts for GE Distributed Control Systems, ensuring immediate availability for a wide range of modules and components. In addition to supplying unused parts, we offer fully rebuilt and tested modules that meet OEM specifications, providing reliable performance and extended service life. Our repair services are designed to restore faulty boards to original operational standards, with turnaround times optimized for minimal downtime. Supported by a team of experienced automation engineers, we provide technical guidance and troubleshooting assistance around the clock, helping clients integrate, maintain, and optimize their control systems. For detailed information on pricing, availability, or to request a repair or replacement, our team is readily accessible via phone or email to provide prompt, professional support.

FREQUENTLY ASKED QUESTIONS:

What is the IS230TNEAH4A?

The IS230TNEAH4A is an Emergency Trip DIN-Rail Module designed for GE Mark VIe distributed control systems. It functions as a critical safety interface, continuously monitoring analog and digital inputs and initiating high-speed emergency trips to protect personnel, equipment, and processes from hazardous operating conditions.

What is the IS230TNEAH4A Emergency Trip DIN-Rail Module?

It is a DIN-rail mountable safety module that provides rapid shutdown capability in distributed control systems. The module integrates with safety sensors and emergency switches to detect abnormal conditions and execute deterministic trip sequences.

How does the module interface with the control system?

The module communicates via Modbus RTU over RS485, enabling real-time status reporting, trip event logging, and diagnostics. Trip outputs are galvanically isolated to prevent signal interference and maintain system integrity.