GE IS200TRLYH1B Mark VI Relay Terminal Board
Manufacturer: GE Fanuc
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Part Number: IS200TRLYH1B
Condition：New with Original Package
Product Type: Relay Terminal Boards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE IS200TRLYH1B Mark VI Relay Terminal Board
The GE IS200TRLYH1B, also cataloged as the IS200TRLY Relay Output Terminal Board, operates as a dedicated hardware component for high-power switching execution within GE Mark VI turbine control systems. The module accepts jumper-selectable 24 VDC or 125 VDC coil drive voltages to drive 12 Form-C magnetic latching relays. Integrated MOV surge suppression circuits and freewheeling diodes protect output channels driving external trip solenoids, ignition transformers, and generator breakers, delivering a trip response time of approximately 10 ms with 1500 Vrms channel-to-channel isolation.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200TRLYH1B |
| Brand | GE |
| Origin | USA |
| Weight | 0.55 kg |
| Dimensions | 178 mm x 330 mm |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | System-dependent (24 VDC or 125 VDC coil drive) |
| Latching Relays | 12 Form-C magnetic latching relays (independently replaceable) |
| Contact Rating (Resistive) | 2 A @ 125 VDC, 3 A @ 120/240 VAC |
| Contact Rating (Inductive) | 0.6 A @ 125 VDC |
| Response Time | ~10 ms (trip output) |
| Circuit Protection | MOV surge suppression, freewheeling diodes, 6 fused / 1 unfused branch |
| Channel Isolation | 1500 Vrms channel-to-channel isolation |
| Hot-Swap Function | Euro-block terminals for 8-channel groups with onboard EEPROM parameter download |
| Storage Temp | -40 deg C to +85 deg C |
Backplane Bus Communication Velocity and Firmware Flash Compatibility
The GE IS200TRLYH1B integrates high-speed onboard memory to maintain backplane bus communication velocity and deterministic state execution across Mark VI control loops. Integrated EEPROM components store board-specific hardware profiles, enabling automatic parameter downloads when replacing 8-channel group blocks online. Through continuous firmware flash compatibility verification over the I/O bus, the terminal board executes fail-safe relay switching operations without interrupting active control tasks on adjacent system racks.
Frequently Asked Questions
Q: How is field replacement executed for individual relay channels or terminal blocks on the IS200TRLYH1B?
A: Each of the 12 Form-C magnetic latching relay channels is independently replaceable directly on the board. For broader maintenance, Euro-block terminals support online hot-swapping of 8-channel groups, where onboard EEPROM automatically downloads module parameters during the swap sequence.
Q: What protective features prevent voltage transients from damaging connected control electronics?
A: The board incorporates MOV surge suppression across contact outputs, freewheeling diodes for inductive kickback protection, 1500 Vrms inter-channel isolation, and a distributed branch configuration containing six fused branches and one unfused branch.
Q: What coil drive voltages and load limits are supported by the output relays?
A: Onboard jumpers allow selection between 24 VDC and 125 VDC coil drive power. Contact ratings support up to 2 A @ 125 VDC or 3 A @ 120/240 VAC for resistive loads, and 0.6 A @ 125 VDC for inductive loads.
Field Installation Guidelines
Installation personnel must execute the following physical and electrical procedures during board deployment:
- Mount the 178 mm x 330 mm board securely into the designated control cabinet panel slot using verified mounting hardware.
- Verify jumper configurations for 24 VDC or 125 VDC coil drive voltage before applying field power to the relay channels.
- Connect field wiring to the Euro-block terminal assemblies, ensuring screw connections are torqued to prevent high-resistance contact points.
- Ground the terminal board chassis directly to the primary enclosure earth bar using low-impedance copper conductors to suppress electromagnetic interference.
- Separate high-power AC/DC inductive load cabling from low-voltage communication leads in dedicated cabinet wire raceways.