Overview
Configured for turbine protection functions in GE turbine control systems, the GE IS215VPROH2B (IS215VPROH2B VME Protection Assembly) provides direct physical and electrical execution for monitored protection circuits. The printed circuit board operates as a turbine protection board with 3 inputs and 6 outputs and uses a 125 VDC power supply. It is specified for operation from -30 to 65 deg C.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS215VPROH2B |
| Brand | General Electric (GE) |
| Product Type | VME Protection Assembly / Turbine Protection Board |
| Product Parameters | VME PROTECTION ASSEM |
| Function | Turbine Protection Board |
| Hardware Form | VPRO Card / Printed Circuit Board |
| Number of Inputs | 3 |
| Number of Outputs | 6 |
| Power Supply Voltage | 125 VDC |
| Power Consumption | Not specified |
| Operating Temp | -30 to 65 deg C |
| Origin | USA |
| Weight | 1.72 kg |
| Dimensions | 10.2 x 18.7 x 26.1 cm |
| Manufacturer | General Electric |
Backplane Communication and Hardware Integration
The IS215VPROH2B operates as a VME-based protection assembly and interfaces with the associated system hardware through its designated card connection architecture. The board processes its assigned protection-related input and output circuits while maintaining the electrical interface required by the turbine control platform.
For GE control hardware, correct backplane seating and connector alignment directly affect communication continuity and electrical contact quality. Therefore, technicians should verify the card guides, connector condition, and mating surfaces before installation. Firmware and hardware revision compatibility should also be confirmed against the installed control system configuration before replacement.
Frequently Asked Questions
Q: What electrical supply does the GE IS215VPROH2B require?
A: The IS215VPROH2B is specified for operation with a 125 VDC power supply. The available source documentation does not specify the board’s individual power consumption.
Q: How many input and output circuits are specified for this protection board?
A: The IS215VPROH2B has 3 inputs and 6 outputs according to the provided technical specifications.
Q: Can the IS215VPROH2B be installed without checking system hardware compatibility?
A: No. The board should be installed only after confirming the model number, hardware revision, VME assembly configuration, connector arrangement, and applicable system documentation.
Field Installation Guidelines
- Disconnect and isolate system power before inserting or removing the protection assembly.
- Use appropriate electrostatic discharge precautions when handling the printed circuit board.
- Inspect the VME connector and card guides for contamination, bent contacts, or mechanical damage.
- Align the board with the designated card guides and apply even insertion force without twisting the assembly.
- Verify that external wiring associated with protection inputs and outputs follows the approved system drawings.
- Keep signal wiring separated from high-energy power conductors where the installation design requires segregation.
- Confirm grounding and shielding connections according to the applicable GE system documentation.
- After installation, verify the 125 VDC supply condition and perform the required system-level functional checks.
