Turbine Control Discrete Output Solution — General Electric IS230SRLYH2A / IS200SRLYH2AAA | Mark VI Series
Where This Product Is Used
The GE IS230SRLYH2A and IS200SRLYH2AAA are discrete output relay modules designed for use within GE’s Mark VI and Mark VIe Turbine Control Systems. These modules are deployed in mission-critical environments where reliable digital switching is essential to safe and continuous operation.
Typical installation sites include:
- Gas turbine power plants — controlling fuel valve actuators, ignition sequences, and auxiliary relay logic
- Steam turbine facilities — managing trip relay circuits, lube oil pump commands, and turning gear interlocks
- Combined-cycle (CCGT) plants — coordinating discrete output signals across HRSG bypass dampers and steam bypass valves
- Compressor stations — driving solenoid valves, motor starters, and emergency shutdown (ESD) relay outputs
- LNG and petrochemical facilities — interfacing with safety instrumented systems (SIS) requiring hardwired discrete outputs
- Industrial cogeneration systems — synchronizing generator breaker control and load-shedding relay commands
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Numbers | IS230SRLYH2A / IS200SRLYH2AAA |
| Manufacturer | General Electric (GE Energy) |
| Module Type | Discrete Output — Relay |
| Compatible Platform | Mark VI / Mark VIe Turbine Control System |
| Output Type | Relay contact outputs (dry contact) |
| Form Factor | VME-based plug-in module |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Weight | Approx. 1,140 g |
| Communication Bus | IONet (GE proprietary) |
| Backplane Interface | Mark VI I/O terminal board compatible |
Why Engineers Specify This Model
- Relay isolation — Dry contact relay outputs provide galvanic isolation between the control system and field devices, reducing noise and protecting the controller from inductive load transients.
- Mark VI native integration — Designed and validated by GE for seamless plug-and-play operation within the Mark VI/VIe architecture; no custom configuration adapters required.
- Redundancy support — Compatible with TMR (Triple Modular Redundancy) and simplex configurations, enabling fault-tolerant output voting logic.
- High reliability in harsh environments — Conformal-coated PCB construction tolerates humidity, vibration, and airborne contaminants common in turbine halls.
- Direct replacement availability — IS230SRLYH2A and IS200SRLYH2AAA are functionally interchangeable in most Mark VI I/O racks, simplifying spare parts management.
- Long service life — Relay contact ratings are specified for extended cycle counts, reducing maintenance intervals in high-switching applications.
Complete System Bill of Materials
When specifying this module for a Mark VI turbine control upgrade or spare parts inventory, engineers typically include the following complementary components:
- IS200SRLYH2AAA — Relay output terminal board (paired I/O board)
- IS230SRLYH2A — Relay output module (this item)
- IS200TREGH1B / IS200TREGH1A — Turbine control I/O terminal board
- IS215VCMIH2A — VME communication module
- IS200VSVOH1B — Servo valve output module (for actuator control loops)
- IS200EPCTG1A — Excitation protection card
- DS200TCQAG1BHF — Turbine control board (legacy Mark V cross-reference)
- Mark VI I/O rack chassis and backplane assembly
- GE ToolboxST configuration software license
Compliance & Industry Standards
- IEC 61511 — Functional safety for process industry SIS applications
- IEC 61508 — Functional safety of E/E/PE safety-related systems
- NEMA ICS 2 — Industrial control devices, controllers, and assemblies
- CE Marking — Electromagnetic compatibility (EMC) and low-voltage directive compliance
- RoHS — Restriction of hazardous substances (where applicable to revision)
- IEEE 1613 — Environmental and testing requirements for communications networking devices in electric power substations
Note: Compliance status should be verified against the specific hardware revision. Contact Konmask.com for revision-specific documentation.
Quality Assurance & Sourcing
All GE Mark VI modules supplied by Konmask.com undergo a structured quality process before shipment:
- Visual inspection — PCB, relay contacts, connectors, and conformal coating examined for damage, corrosion, or component anomalies
- Functional bench test — Output relay actuation verified under simulated control signals where test infrastructure permits
- Firmware/revision verification — Hardware revision label and firmware version documented and disclosed prior to sale
- Anti-static packaging — Modules shipped in ESD-safe bags with foam cushioning and moisture barrier packaging
- Traceability documentation — Inspection records and sourcing chain documentation available on request
Konmask.com sources from decommissioned OEM installations, authorized surplus channels, and verified industrial distributors. We do not sell counterfeit or remanufactured-as-new parts.
How to Source This Part
To place an order or request a quotation for the GE IS230SRLYH2A / IS200SRLYH2AAA:
- Email: support@konmask.com
- Phone / WhatsApp: +0086 19859288691
- Website: https://Konmask.com
Please provide your required quantity, delivery timeline, and any revision or firmware requirements when enquiring. Lead time for in-stock units is typically 3–7 business days for international shipment.
For urgent plant outage situations, contact us directly by phone for expedited sourcing support.
Application-Specific FAQ
Q: Are IS230SRLYH2A and IS200SRLYH2AAA interchangeable?
A: In most Mark VI I/O rack configurations, yes — they serve the same discrete relay output function. However, always verify the terminal board pairing and rack slot assignment with your GE ToolboxST configuration before swapping. Contact us if you need clarification on your specific rack layout.
Q: Can this module be used in a TMR (Triple Modular Redundancy) configuration?
A: Yes. The IS230SRLYH2A is compatible with Mark VI TMR architectures. In TMR mode, three modules vote on output state, providing fault-tolerant relay switching for critical trip and control functions.
Q: What is the typical lead time for this module?
A: In-stock units ship within 3–7 business days internationally. For urgent outage support, contact Konmask.com directly for expedited options.
Q: Do you provide a warranty?
A: Yes. Konmask.com provides a standard 12-month warranty covering functional defects under normal operating conditions. Warranty terms are provided with each shipment.
Q: Can you supply the matching terminal board (IS200SRLYH2AAA)?
A: Yes. We can supply the complete module-and-terminal-board assembly or individual components. Specify your requirement when enquiring.
Q: Is this module compatible with Mark VIe (enhanced) systems?
A: The IS230SRLYH2A is primarily a Mark VI module. Mark VIe systems use a different I/O architecture (IONET-based distributed I/O). Please confirm your system generation before ordering. We can assist with cross-referencing if needed.
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Contact: support@konmask.com | +0086 19859288691
