Description
The GE IS215UCVEH2AE is a high-availability VME Communication Interface Module designed for GE’s Mark VIe turbine control systems, serving as a critical data gateway between controllers, I/O networks, and plant-wide supervisory systems. This ruggedized module features dual 10/100Base-T Ethernet ports with IEEE 1588 Precision Time Protocol (PTP) synchronization and a PCI Mezzanine Card (PMC) slot for protocol-specific daughterboards. Engineered for mission-critical power generation environments, the GE IS215UCVEH2AE enables deterministic communication with <50 μs latency while supporting industrial protocols including Modbus TCP, SRTP (GE’s Secure Real-Time Protocol), and IEC 61850 GOOSE messaging. Its dual-redundant design and conformal-coated circuitry ensure reliable operation in extreme conditions (-40°C to +70°C), making it essential for real-time turbine protection, grid synchronization, and distributed control architectures.

GE IS215UCVEH2AE
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE IS215UCVEH2AE |
| Manufacturer | GE Power (Now part of GE Vernova) |
| Product Type | VME Communication Interface Module |
| Ethernet Ports | 2 × 10/100Base-T (RJ45) with PTPv2 |
| Expansion Slot | PMC Site (for PROFINET/DeviceNet/etc.) |
| Protocol Support | SRTP, Modbus TCP, IEC 61850, OPC UA |
| Latency | <50 μs (port-to-backplane) |
| Time Synchronization | IEEE 1588-2008 (PTP) Class B |
| Backplane Interface | VME64x (32-bit/40 MHz) |
| Operating Temperature | -40°C to +70°C |
| Power Consumption | 7W @ +5V DC |
| Isolation | 1500V AC (ports-to-chassis) |
| Certifications | UL 508, IEC 61800-5-1, DNV-GL, NERC CIP |
Main Features and Advantages
Deterministic networking: Hardware-assisted timestamping enables μs-level synchronization across turbine control subsystems. Dual independent Ethernet stacks segregate control traffic (SRTP) from SCADA data (Modbus TCP), eliminating contention. The GE IS215UCVEH2AE supports jitter-free IEC 61850 GOOSE messaging for grid protection commands.
Cybersecurity hardened: Integrated firewall with MAC/IP whitelisting and role-based access control (RBAC). Firmware signature verification prevents tampering. Conformal coating resists humidity-induced corrosion in coastal installations.
Flexible expansion: The PMC slot accommodates protocol-specific mezzanines (e.g., GE IC693CMM321 for PROFIBUS), enabling legacy system integration without rack space changes. Hot-swappable design allows maintenance during turbine operation.
Application Field
The GE IS215UCVEH2AE orchestrates communication in combined-cycle power plants, synchronizing gas/steam turbine controllers with excitation systems (GE DS200DCFBG1B) and balance-of-plant controls. In hydroelectric facilities, it enables millisecond-grade governor response to grid frequency dips via IEC 61850 GOOSE.
For offshore platforms, this module integrates compressor anti-surge controllers with safety systems (SIL 2). Wind farms utilize its PTP synchronization for phasor measurement units (PMUs) in grid compliance. The GE IS215UCVEH2AE also bridges legacy Mark V systems to modern Mark VIe racks in migration projects.
Related Products
GE IS215UCVEH2A: Base model without enhanced firmware
GE IC693CMM321: PROFIBUS-DP PMC mezzanine card
GE IS200VTCCH1C: Terminal board for signal conditioning
GE DS200DCFBG1B: Excitation control interface
GE IS215ACLEH1A: Analog I/O module (complementary)
GE H201T: Turbine control cabinet with integrated UCVEH2AE

GE IS215UCVEH2AE
Installation and Maintenance
Pre-installation preparation: Verify VME rack compatibility (Mark VIe series). Ground chassis to <1 Ω resistance. Configure IP addresses via ToolboxST before insertion. Install PMC daughterboard prior to module seating.
Maintenance recommendations: Quarterly clean Ethernet ports with CRC contact cleaner. Monitor sync status LEDs—replace if “PTP Lock” indicator flashes amber. Update firmware during planned outages using GE’s Secure Firmware Manager. Never hot-swap during lightning storms.





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