GE IS215UCVEH2AF – VME Controller Board for Mark VI Systems

Overview

The GE IS215UCVEH2AF is a single-slot VME (Versa Module Eurocard) controller board, designed as a core processing component within the GE Mark VI Turbine Control System. Powered by an Intel Celeron processor and enhanced with DRAM, cache, flash memory, and multiple interface options, this board delivers high-speed processing and seamless communication for critical turbine control functions.

Key Features

• Processor: Intel Celeron, 300 MHz
• Memory:
  • 32 MB DRAM
  • 128 KB L2 cache
  • 8 KB battery-backed SRAM (NVRAM)
  • Compact Flash: 16 MB or 128 MB options
• VME Format: Single-slot design
• Operating Temperature: –30°C to +65°C
• Dimensions: 8.6 cm (W) x 16.2 cm (H)

Primary Communication Interfaces

Ethernet Port (Ethernet 1)

• Connection: 10BaseT/100BaseTX via RJ-45
• Protocols Supported:
  • TCP/IP: Controller-to-toolbox communication
  • EGD: Integration with CIMPLICITY HMI and Series 90-70 PLCs
  • Ethernet Modbus: Third-party DCS communication

Serial Ports (COM1 & COM2)

• COM1:
  • Reserved for diagnostics
  • 9600 baud, 8 data bits, no parity, 1 stop bit
• COM2:
  • Supports serial Modbus
  • 9600 or 19200 baud configurable

System Integration

• Peripheral Support: Keyboard, mouse, monitor
• Data Acquisition: Via VCMI board (supports simplex or TMR input)
• Use Case: High-performance control for gas and steam turbine systems

Special Features

• Compact Flash file system support
• Supports up to 3 PROFIBUS-DP masters
• Designed for applications using ISO/OSI layer 1 and 2 communication
• Used in Mark VI control systems, part of GE’s Speedtronic series

Part Details

Replacement Procedure

1. Power Down the rack system and disconnect all cables.
2. Replace the old controller with the new IS215UCVEH2AF.
3. Download Flash File System using a flash programmer.
4. Configure TCP/IP Address before reapplying power.