Description

The IS200SRLYH2A is a Simplex Relay Output Terminal Board designed for the GE Mark VIe control system. This terminal board serves as a critical interface between the control logic and field-level devices, providing 12 independent Form C relay output circuits. It is engineered for high-reliability switching in distributed turbine control systems and heavy industrial drive applications, ensuring precise command execution and system availability.

Features

• 12 Form C Relay Channels: Provides 12 independent, isolated relay output circuits for versatile field device control.
• I/O Pack Compatibility: Supports direct mounting of PDOA or YDOA I/O packs, including double-stacking configurations to maximize cabinet density.
• Feedback Verification: Each relay circuit includes an isolated contact pair to provide position feedback to the I/O pack, enabling closed-loop state monitoring.
• Robust Construction: Features a sheet metal carrier and integrated plastic insulator for secure, reliable cabinet mounting.
• High-Density Wiring: Equipped with 48 customer terminal points to support complex field wiring requirements.

Applications

This terminal board is primarily utilized within GE Mark VIe control architectures for power generation and industrial automation. It is commonly deployed in systems requiring reliable, isolated switching for actuators, solenoids, and alarm signaling in turbine control environments.

Technical Specifications

Installation Guidelines

• Power Down: Always ensure the control system is powered down before installing or removing the terminal board or associated I/O packs.
• Mounting: Secure the board using the provided sheet metal carrier. Ensure the plastic insulator is correctly positioned to prevent short circuits against the cabinet backplane.
• I/O Pack Seating: When installing PDOA or YDOA packs, ensure they are fully seated into the H2A header. The mechanical connector force is designed to maintain integrity without additional fasteners.
• Wiring: Utilize the 48 terminal points according to the specific system wiring diagram. Ensure all field wiring is properly shielded and routed away from high-EMI sources to maintain signal integrity.
• ESD Handling: Handle the module using standard electrostatic discharge (ESD) prevention practices to avoid damage to internal SMT components.

FAQ

What I/O packs are compatible with the IS200SRLYH2A?

This terminal board is designed to interface with PDOA or YDOA I/O packs within the Mark VIe system.

Does this board support redundant configurations?

No, the IS200SRLYH2A is a Simplex terminal board, meaning it is designed for single-path, non-redundant relay output applications.

What is the maximum voltage rating for the relay outputs?

The board is rated for a maximum load of 125 VDC.