GE IS200TRLYH1BED Relay Output Board

Configured for high-density switching and actuator control in Mark VIe turbine control architectures, the GE IS200TRLYH1BED, also cataloged as the IS200TRLYH1BED Relay Output Board, provides direct physical/electrical execution for up to 12 plug-in magnetic relays.

Suffix Breakdown & Model Matrix

Hardware Specifications

Backplane Bus Communication Velocity and Firmware Compatibility

Configured for deterministic industrial network execution, the module maintains strict backplane bus communication velocity and deterministic signal routing across Mark VIe controller nodes. Firmware flash compatibility and internal logic coordination ensure synchronized relay state updates without introducing latency or timing jitter into safety-critical control loops.

Frequently Asked Questions

Q: How are the relay channels configured on the IS200TRLYH1BED board?

A: The board features 12 relay channels total, with the first six relays jumper-configured to provide either dry Form-C contacts or solenoid driver outputs, five dedicated strictly to dry contacts, and flexible power source selection supporting 125 VDC, 115/230 VAC, or an optional 24 VDC source with individual jumper-selectable fuses.

Q: Can this relay output board be replaced while the system rack is powered?

A: No, all system rack power feeds and external loop voltages must be completely isolated and de-energized before handling or replacing the IS200TRLYH1BED board to prevent electrical arcing or terminal pin damage.

Field Installation Guidelines

Ensure all system rack power feeds and field actuator supplies are fully isolated and locked out prior to handling the IS200TRLYH1BED board. Align the 17.8 cm wide by 33.02 cm high printed circuit assembly carefully within the Mark VIe enclosure guide rails, applying steady, uniform pressure to fully engage backplane connectors. Terminate field wiring securely to the onboard terminal blocks, verifying that all signal cable shields and protective earth grounds are properly secured to the cabinet earth bar to mitigate electromagnetic interference.