Description
🔹 Product Description
The GE General Electric IS215WEMAH1B, associated with IS215WEMAH1BB, is a WEMA Wind Energy Main Converter Control board designed for GE Mark VIe wind turbine control systems. The WEMA functional designation identifies this board as a Wind Energy Main Converter Control used within the wind-turbine control architecture.
The board provides a combination of digital input, thermistor temperature-sensing, relay-contact output, and solid-state relay functions. Technical references identify 27 digital inputs, two analog thermistor sensor inputs, nine relay contact outputs, and three solid-state relay outputs. The H1B version is conformal-coated and belongs to the Group 1 Mark VIe configuration.
🔹 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | General Electric (GE) |
| Model | IS215WEMAH1B |
| Associated Assembly | IS215WEMAH1BB |
| Series | Mark VIe |
| Functional Acronym | WEMA |
| Product Name | Wind Energy Main Converter Control Board |
| Product Type | Printed Circuit Board / Special Assembly |
| Application | Wind Turbine Control |
| Digital Inputs | 27 |
| Analog Thermistor Inputs | 2 |
| Relay Contact Outputs | 9 |
| Solid-State Relay Outputs | 3 |
| 3-Pin Connectors | 6 |
| PCB Coating | Conformal Coating |
| Related Publication | GEZ-S2026 |
| Dimensions | Approx. 26 × 15.2 × 3 cm |
| Weight | Approx. 0.52 kg |
| Product Status | Legacy / Mark VIe wind control spare |
| Compatibility | GE Mark VIe wind turbine control configuration |
| Condition | Verify actual unit condition |
The IS215WEMAH1B is listed as a Wind Energy Main Converter Control, while IS215WEMAH1BB is also cataloged as a related Mark VIe wind-energy control designation.
🔹 Common Questions & Answers
Q: What is the GE IS215WEMAH1B?
A: It is a GE Mark VIe WEMA Wind Energy Main Converter Control board for compatible wind turbine control systems.
Q: What does WEMA stand for?
A: WEMA refers to Wind Energy Main Converter Control.
Q: How many digital inputs does the IS215WEMAH1B have?
A: The documented hardware specification includes 27 digital inputs.
Q: Does the board support temperature sensing?
A: Yes. It has two analog thermistor temperature-sensor inputs.
Q: How many relay outputs are available?
A: Documentation identifies nine relay contact outputs and three solid-state relay outputs.
Q: Is IS215WEMAH1BB the same board family?
A: IS215WEMAH1BB is a related Mark VIe WEMA designation and is listed alongside IS215WEMAH1B in GE parts references. The complete suffix and assembly marking should be checked before replacement.
Q: Is the board designed for gas turbines?
A: The IS215WEMAH1B is specifically documented for GE wind-turbine control applications rather than being a general-purpose gas-turbine I/O board.
Q: Is the PCB conformally coated?
A: Yes. The H1B version is documented as a conformal-coated PCB.
Q: Can another Mark VIe board directly replace the IS215WEMAH1B?
A: Replacement should not be assumed. Verify the WEMA function, complete part number, revision, connector arrangement, I/O configuration, and host wind-control system before substitution.
Q: What should be checked before installation?
A: Verify the complete part number and revision, inspect connectors and components, compare the I/O configuration with the original board, confirm the system wiring, and follow the applicable GE Mark VIe wind-control maintenance procedure.
🔹 Recommended GE Models
- GE IS215WEMAH1A | Wind Energy Main Converter Control Board
- GE IS215WEPAH1A | Wind Energy Pitch Axis Control Board
- GE IS215WEPAH2B | Wind Energy Pitch Axis Control Board
- GE IS215UCCAH3 | Mark VIe Controller Compute Engine
- GE IS215UCCAE03 | Mark VIe Compute Engine
- GE IS215PCMIH1A | VME Card Assembly
- GE IS215PCMIH1AA | VME Card Assembly
- GE IS215ACLEH1C | Application Control Layer Module
- GE IS215VPROH1B | Emergency Turbine Protection Board
- GE IS220PAICH2A | Analog I/O Pack
- GE IS220PAICH2B | Analog I/O Pack
- GE IS220PAOCH1A | Analog Output I/O Pack
- GE IS220PDIIH1B | Isolated Discrete Input Module
- GE IS220PDOAH1B | Discrete Output Module
- GE IS220PCNOH1A | CANopen Master Gateway Module
These models are from the broader GE Mark VIe control family, with the first three particularly relevant to wind-energy control applications.
