GE IS215UCVEH2A VME Controller Card

GE IS215UCVEH2A VME Controller Card

Configured for deterministic controller execution in Mark VI VME‑based turbine control networks, the GE IS215UCVEH2A (IS215UCVEH2A VME controller card) provides processor‑level task management, Ethernet‑based UDH communication, and backplane coordination for real‑time control logic.

Hardware Specifications

Backplane Bus Communication Velocity & Firmware Flash Compatibility

As a Mark VI controller, UCVEH2A operates on deterministic VME backplane cycles that synchronize logic execution, I/O scanning, and Ethernet communication. Firmware flash blocks store toolbox configuration, subnet assignments, and hardware validation routines. During rack power‑up, the controller compares toolbox configuration against installed hardware; mismatches inhibit startup. Secondary Ethernet ports available on UCVEM modules operate on separate logical subnets, requiring firmware‑recognized IP addressing to maintain deterministic communication timing.

Frequently Asked Questions

Q: Can IS215UCVEH2A be replaced while the VME rack is energized? A: No. The rack must be powered down to avoid undefined backplane states and Ethernet initialization faults.

Q: How does the controller validate its configuration? A: At startup, the controller compares toolbox configuration parameters with detected hardware. Any mismatch prevents the controller from entering RUN mode.

Q: Does the controller support redundant Ethernet paths? A: UCVEH2A supports a single Ethernet port. UCVEM variants add secondary ports and Profibus capability.

Field Installation Guidelines

• Ensure the Mark VI rack is fully powered down before inserting or removing the controller.
• Seat the board using uniform pressure to engage the VME edge connectors.
• Tighten captive screws to maintain retention under vibration.
• Verify RJ‑45 Ethernet cabling and COM1 connections before energizing.
• Maintain shielded wiring practices for Ethernet to reduce noise on UDH networks.
• After startup, confirm RUN/FAIL indicators and validate toolbox configuration before enabling turbine operation.