IS230TEASH1A - DIN-Rail Mounted I/O Module

SPECIFICATIONS:

Part Number: IS230TEASH1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: DIN-Rail Mounted I/O Module
Number of channels: 24
Excitation voltage: 125 Vdc
Power supply voltage: 28 V dc
Voltage Range: 14 to 32 V dc
Mounting: DIN-rail mounting
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 17.8 cm wide x 33.02 cm
Repair: 3-7 Days
Availability: In Stock
Manual: GEH-6421 M
Country of Origin: United States

FUNCTIONAL DESCRIPTION:

IS230TEASH1A is a DINrail Mounted I/O Module manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Gas Turbine Control Systems. A DIN-rail-mounted Input/Output (I/O) module provides the electrical interface between field sensors/actuators and a higher-level control system such as a PLC, DCS, or industrial controller. The module’s printed circuit board houses signal conditioning circuitry, isolation barriers, and terminal connections arranged according to input and output channel types (digital, analog, TTL, current loop, etc.). Digital input channels detect discrete high/low states by threshold comparators and debounce logic; digital outputs actuate loads through transistor drivers or relay contacts rated for specified voltage and current. Analog channels convert between field-level signals (e.g., 0-10 V, 4-20 mA) and internal high-resolution ADC/DAC representations, applying linearization, filtering, and scaling functions. Isolation mechanisms, optical, magnetic, or transformer, segregate field circuits from logic power and communications to protect against noise, surges, and ground loops.

INSTALLATION:

The module snaps onto a standardized 35 mm DIN EN 60715 rail using its spring-loaded retention clips; modules should be aligned end-to-end with adjacent components without gaps to maintain mechanical stability. Terminate field wiring at the provided removable screw or spring-clamp terminals, ensuring conductor sizes match the module’s rated range and tightening torques meet manufacturer specifications to avoid loose or overheated connections. Apply field power and logic supply voltages within the module’s specified limits, observing polarity and grounding practices; connect protective earth to the designated terminal. If the module uses a backplane or communication connector, ensure correct orientation and secure seating to prevent intermittent contact. Verify isolation clearances and creepage distances in panel layout to comply with relevant safety standards (IEC 61010, UL, etc.). After wiring, apply power and monitor module status indicators (LEDs) to confirm correct initialization before integrating into the control system.

OPERATION:

The I/O module continuously samples input channels, applies required conditioning, and presents processed data to the controller at programmed intervals. Digital inputs detect logic levels and report state changes; internal filters suppress noise and transient spikes. Analog inputs are sampled by successive approximation or sigma-delta ADCs at rates defined by the module firmware, with results scaled to engineering units and optionally filtered to reduce noise. Output channels respond to commands received over the system bus: digital outputs switch semiconductor drivers or mechanical contacts, while analog outputs generate proportional voltage/current signals via precision DACs and output drivers. The module’s onboard firmware manages diagnostics, error reporting, and configuration parameters such as input ranges, update rates, and channel enables. Operational safeguards include overcurrent protection on outputs, open/short detection on inputs, and temperature monitoring. Status bits and diagnostic messages are available to the controller for fault handling and maintenance planning.

COMPATIBILITY:

Electrically, module input/output ranges, common reference points, and isolation ratings must align with sensor/actuator specifications to ensure accurate signal handling and safety compliance. Mechanically, the module must conform to DIN rail standards (typically 35 mm EN 60715) and fit within the panel layout with sufficient clearance for heat dissipation. Communication compatibility requires matching the control system’s bus architecture—whether proprietary backplane, Modbus, Profibus, EtherNet/IP, CANopen, etc.—and supporting the appropriate protocol version, connector type, and termination scheme. Firmware and configuration tools must be compatible with the controller’s engineering environment to allow parameter setting, diagnostics, and firmware updates. Additionally, environmental ratings (temperature, humidity, vibration, EMC) must meet the application’s requirements and relevant industrial standards (IEC 61131-2, CE/UL EMC directives) to ensure reliable long-term operation.

WHY CHOOSE WOC?

WOC is a leading global supplier of OEM replacement parts for GE Distributed Turbine Control Systems, offering one of the largest inventories of new and rebuilt modules in the industry. In addition to supplying high-quality unused and refurbished components, we provide expert repair services with fast turnaround times and warranty-backed assurance. Our experienced team is available 24/7 to support your technical and automation needs, ensuring reliable performance and minimal downtime. For pricing, availability, or repair inquiries, please contact our team by phone or email.

FREQUENTLY ASKED QUESTIONS:

What is a DIN-rail-mounted I/O module?

A DIN-rail-mounted I/O module is an industrial interface device that connects field sensors and actuators to a controller such as a PLC or DCS. It mounts directly on a standardized DIN rail inside control panels, enabling modular expansion of input and output channels. The module converts physical signals into digital data for the controller and vice versa. It typically includes signal conditioning, isolation, and diagnostic functions.

What types of I/O are available in DIN-rail modules?

DIN-rail modules commonly support digital inputs, digital outputs, analog inputs, and analog outputs. Digital inputs detect discrete states (ON/OFF), while digital outputs switch loads like relays and solenoids. Analog channels handle continuous signals such as 4-20 mA or 0-10 V for process measurement and control. Some modules also offer universal I/O that can be configured as either input or output.

What is the purpose of isolation in I/O modules?

Isolation separates the field wiring from the logic and communication circuitry to protect the controller from electrical noise, surges, and ground loops. It also improves safety by preventing high-voltage faults from affecting the control system. Isolation is typically achieved using opto-couplers, transformers, or magnetic barriers. It ensures reliable signal transmission and reduces the risk of equipment damage.

What are the common communication protocols supported?

DIN-rail I/O modules support protocols such as Modbus RTU/TCP, Profibus, EtherNet/IP, Profinet, CANopen, and EtherCAT, depending on the model. Some modules connect directly to a PLC backplane, while others operate as remote I/O over fieldbus networks. Protocol compatibility depends on both the module and the controller. Firmware and configuration tools must match the selected communication standard.