The GE IS230SNRLH2A rev A is a high-reliability simplex networked relay terminal board (SNRL) designed for the Mark VIe and Mark VIeS control systems. This board functions as an interface between the control system and external high-power equipment, providing relay output signals for control and protection logic. The “rev A” indicates the initial hardware design revision, engineered for long-term stability in industrial communication networks and critical safety applications.

Product Specifications Model Number: IS230SNRLH2A Revision: rev A Product Type: Simplex Networked Relay Terminal Board Network Integration: IONet compatible for Mark VIe systems Relay Type: Electromechanical outputs Input Voltage: 24 VDC nominal Board Type: Networked I/O Terminal Board

Dimensions and Physical Attributes Length: 17.8 cm Width: 12.7 cm Height: 3.5 cm Weight: 0.58 kg Country of Origin: USA

Application Fields The IS230SNRLH2A is predominantly used in the power generation industry for turbine and generator control. It is ideally suited for applications requiring high-density relay outputs such as motor starter control, valve actuation, and alarm signaling. Its integration with the Mark VIeS platform also makes it applicable for safety-instrumented systems (SIS) in petrochemical plants and offshore drilling rigs where networked reliability is mandatory.

Product Usage Instructions To install the GE IS230SNRLH2A, mount the board onto a standard DIN rail or within a dedicated I/O cabinet according to the system layout. Connect the IONet cables to the onboard RJ45 ports to establish communication with the control processor. Ensure that all field wiring for the relay contacts is properly labeled and secured to the terminal blocks. When configuring the board in the software toolbox, verify that the hardware revision “A” matches the configuration settings to ensure correct diagnostic reporting and relay timing.

Frequently Asked Questions Q&A Q: Does this board support redundant configurations? A: This specific model is a Simplex (S) board, intended for single-channel relay applications, though it can be used in systems that have overall redundancy at the controller level.

Q: What is the significance of the “rev A” designation? A: It identifies the specific physical layout and component set of the board. Replacement parts should ideally match the revision level of the existing system to ensure seamless compatibility.

Q: How are the relay outputs monitored? A: The board features built-in diagnostics that monitor the status of the relay coils and feedback loops, reporting any discrepancies directly to the IONet controllers.

Related Product News General Electric continues to evolve the Mark VIe series, focusing on cybersecurity enhancements for networked I/O modules like the IS230SNRLH2A. Recent updates emphasize the importance of using original “rev A” hardware in legacy systems to maintain certification for safety-critical loops. As part of a global push for grid modernization, these networked relay boards are being utilized to integrate renewable energy storage systems into existing thermal power plant control infrastructures, allowing for more responsive load balancing.

Recommended Similar Models GE IS230SNRLH1A GE IS200TRLYH1B GE IS230SRLYH2A GE IS200STCIH2A GE IS200TRPAS1A