Description
- Brand: GE General Electric
- Model: IS215VPROH1BD
- Functional Acronym: VPRO
- Product Type: Emergency Turbine Protection Module / VME Protection Board
- Series: GE Mark VI Speedtronic
- Primary Function: Independent emergency overspeed and emergency-stop protection
- Architecture: Triple-redundant VPRO protection system
- Physical Construction: Multi-board VME protection assembly with stacked circuit-board construction and a dedicated front-panel interface.
- Estimated Shipping Dimensions: Approximately 10 × 18.6 × 26.1 cm based on supplier packing data; verify actual packed carton before freight booking.
- Estimated Shipping Weight: Approximately 2.1 kg packed; other supplier records report lower or higher values, so the physical shipment should control the final logistics record.
- Typical Box Contents: IS215VPROH1BD assembly, ESD protection, connector protection, cushioning, outer carton, and applicable inspection/test documentation.
Product Introduction
The GE IS215VPROH1BD is a VPRO emergency turbine protection board for the GE Mark VI turbine-control architecture. Unlike a conventional process I/O card, its role is centered on the independent protection path: emergency overspeed detection, emergency-stop processing, trip-interlock evaluation, and relay control associated with the turbine trip circuit. The VPRO system operates separately from the primary turbine controller and uses redundant protection channels to support high-integrity trip behavior.
This distinction is important during replacement. The H1B configuration supports a second TREG board through connector J4, a feature specifically identified for the H1A/H1B VPRO forms. GE documentation also distinguishes the H2B configuration, which does not provide that second-TREG capability; therefore, an H2B assembly should not be treated as an automatic substitute for an H1B application (configuration verification is mandatory before a safety-system change).
Core Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | GE General Electric |
| Model | IS215VPROH1BD |
| Functional Acronym | VPRO |
| Product Type | Emergency Turbine Protection Module |
| Control Platform | GE Mark VI Speedtronic |
| Protection Function | Emergency overspeed and emergency-stop protection |
| Architecture | Triple-redundant VPRO channels |
| Installation | Dedicated protection module, VME-based architecture |
| Input Supply | 125 VDC nominal |
| Input Supply Range | 70–145 VDC |
| Onboard DC Outputs | 5 VDC and 28 VDC |
| Processing Rate | Up to 100 Hz frame rate |
| Speed Input | 2 Hz to 20 kHz MPU pulse range |
| Speed Inputs | 3 passive speed-pickup inputs |
| Voltage Inputs | Generator and bus voltage inputs |
| Thermocouple Inputs | 3 |
| Analog Inputs | One selectable 4–20 mA / voltage input plus two 4–20 mA inputs |
| Trip Interlocks | 7 |
| Emergency-Stop Inputs | 2 |
| Communication | Ethernet / IONet status communication |
| Associated Terminal Boards | TPRO, TREG, and TRPG |
| Trip Output Path | VPRO → TREG/TRPG → turbine trip solenoids |
| Redundancy | Three VPRO boards in the independent protection module |
| H1B Configuration | Supports second TREG through J4 |
The VPRO protection path is not simply an Ethernet-connected supervisory function. Dedicated speed-pickup signals are processed by the protection system, while TREG and TRPG complete the turbine trip-solenoid circuit. Published technical data specifies a 125 VDC supply with a 70–145 VDC operating range and an MPU pulse-rate range of 2 Hz to 20 kHz.
For a replacement asset, record the complete nameplate designation, PCB revision, firmware/configuration information, and associated terminal-board configuration. Do not collapse IS215VPROH1BD into the generic “VPRO” description when preparing an MRO purchase order.
GE IS215VPROH1BD
Global Compliance & Industry Certifications
Because this is turbine protection hardware, certification review should be performed against the actual Mark VI installation, cabinet, protection module, and project specification. CE, UL/cUL, ATEX/IECEx, marine approvals, and other regional requirements may apply depending on the final equipment configuration and installation environment.
The presence of a GE part number does not establish certification for an individual aftermarket, refurbished, or surplus board. Maintain serial-number traceability and condition documentation, particularly when the part is being introduced into a safety-related turbine protection system.
International shipments should retain the complete model number, country-of-origin evidence, commercial invoice description, packing information, and applicable certification records.
Verify specific lot certifications with OEM.
Long-Term Storage & Asset Preservation Guide
Store the IS215VPROH1BD in an ESD-safe sealed package with all external connectors protected from impact, contamination, and moisture. The assembly contains multiple interconnected electronic boards, so mechanical shock can create damage that is not immediately visible during a basic visual inspection.
Maintain controlled temperature and humidity. Avoid condensation cycles, conductive dust, corrosive atmospheres, and storage near high-current switching equipment.
For strategic turbine spares, photograph the complete nameplate and every board-level identification label before shelving. Record revision, serial number, firmware/configuration information, and the associated TPRO/TREG/TRPG arrangement in the asset database (this information becomes critical during an emergency replacement).
Before field deployment after prolonged storage, perform controlled power-up, visual inspection, connector checks, communication verification, input simulation, diagnostic review, and documented trip-path testing under the plant’s approved safety procedure.
Physical Installation Prerequisites
Install the VPRO only in the specified Mark VI protection-module architecture. Verify slot position, backplane condition, connector integrity, module keying, and the exact terminal-board arrangement before installation.
The protection assembly requires particular attention to 125 VDC power quality and grounding. Check the source voltage and polarity, protective bonding, fuse/protection devices, and cabinet grounding before energization.
Allow sufficient cabinet cooling and maintain clear airflow around the electronic assembly. Do not introduce contamination or obstruct ventilation around the protection-module enclosure.
Most importantly, verify the complete trip architecture before replacement. Confirm the installed TPRO, TREG, TRPG, and VPRO configuration, including whether a second TREG is connected through J4. The H1B/H2B distinction is functionally significant and should be treated as a safety-system compatibility issue, not merely a board-revision difference.
Buyer’s FAQ
Q: What HS tariff code should be used for GE ?
A: Classification should be determined under the importing country’s tariff schedule based on the board’s actual function and declaration. Supplier references commonly associate this type of GE control assembly with heading 8537, but the final tariff classification should be validated by your customs broker or internal trade-compliance team.
Q: Can a Certificate of Origin be provided?
A: COO availability depends on the physical inventory lot and supporting supplier documentation. Request the COO together with the commercial invoice and packing list when origin evidence is required for customs or preferential-duty treatment.
Q: Should shipping insurance be purchased?
A: Yes. This is a high-value, safety-related electronic assembly that can be difficult to replace during an outage. Use ESD packaging, rigid cushioning, connector protection, and documented pre-shipment condition photographs.
Q: Will the latest firmware be preloaded?
A: Do not assume it. Firmware and configuration must correspond to the installed Mark VI protection architecture. Confirm the required revision and application configuration before shipment rather than requesting an unspecified “latest” firmware image.
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