Description
The GE General Electric IS200TRLYH1B, identified in the supplied listing as IS200TRLYH1BGF, is a Relay Output Terminal Board for the GE Mark VI turbine control system. The TRLY board provides relay-based discrete output interfacing between the control system and external field devices. Available technical references identify the H1B version with 12 magnetic relays, voted coil-drive feedback, MOV suppression, and 48 field terminals. The board can be used in Simplex or TMR configurations depending on the associated Mark VI architecture.
📋 Product Datasheet
| Specification | Details |
|---|---|
| Brand | General Electric (GE) |
| Model | IS200TRLYH1B |
| Alternate / Functional ID | IS200TRLYH1BGF |
| Series | Mark VI IS200 |
| Product Name | Relay Output Terminal Board |
| Board Type | Relay / Discrete Output Terminal Board |
| Relay Type | Magnetic Relay |
| Number of Relays | 12 |
| Output Configuration | Form-C relay outputs |
| Feedback | Voted Coil Drive Feedback |
| Suppression | MOV Suppression |
| Field Terminals | 48 |
| Architecture | Simplex / TMR, application dependent |
| Associated I/O | Mark VI relay-output control architecture |
| Manual Reference | GEH-6721L |
| Condition | Used – Cleaned and Tested |
| Dimensions | Verify from actual board |
| Weight | Verify from actual board |
| Product Status | Legacy / Obsolete-Generation Hardware |
⚙️ Main Functions
• Provides relay-based discrete output interfacing for compatible GE Mark VI control systems.
• Uses 12 relay circuits for switching external field devices.
• Provides coil-drive feedback for monitoring relay operation.
• Uses MOV suppression to help protect relay circuits from transient voltage conditions.
• Provides 48 field terminals through the board’s terminal blocks.
• Supports Simplex and TMR system architectures when paired with the appropriate control and I/O configuration.
• The board is associated with applications involving turbine control field devices such as solenoids, contactors, alarms, and other discrete actuators.
❓ Q&A
Q: What is the GE IS200TRLYH1B?
A: It is a Mark VI Relay Output Terminal Board designed to provide relay-based discrete output interfacing.
Q: What is IS200TRLYH1BGF?
A: IS200TRLYH1BGF is the associated full functional/ordering identification for the IS200TRLYH1B relay terminal board.
Q: How many relays are installed?
A: The IS200TRLYH1B is documented with 12 magnetic relays.
Q: How many field terminals does the board provide?
A: The board provides 48 field terminals arranged through two terminal blocks.
Q: Does it support TMR?
A: Yes. The TRLY architecture supports both Simplex and TMR configurations when the associated system and I/O hardware are configured accordingly.
Q: What should be checked before replacement?
A: Match the complete IS200TRLYH1B / IS200TRLYH1BGF identification, board revision, terminal wiring, system architecture, and associated Mark VI I/O configuration before installation.
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