Product Overview: GE IS215UCVGH1A

The IS215UCVGH1A is one of five UCV controller versions for Mark VI systems. Specifically, it is a single-slot version of the UCV controller family. This IS215UCVGH1A can directly replace any previous UCV controller. Furthermore, it does not require a backplane upgrade during replacement. The board installs into any standard VME rack without modification.

Technical Specifications

The IS215UCVGH1A uses an Intel Ultra Low Voltage Celeron processor. Its clock speed is 650 MHz for reliable control execution. Memory includes 128MB of flash storage for firmware. Additionally, it includes 128MB of SDRAM for runtime operation. The operating system is QNX, a real-time multitasking OS.

• Processor: Intel Ultra Low Voltage Celeron 650 MHz

• Flash Memory: 128 MB

• SDRAM: 128 MB

• Operating System: QNX real-time OS

• Board Format: Single slot, 6U VME

• Weight: 0.45 kg (board only)

The IS215UCVGH1A requires specific power supply voltages. The +5V dc rail draws 4 A typical and 5.4 A maximum. The +12V dc rail draws less than 1 mA typically. Similarly, the -12V dc rail draws less than 1 mA typically. Therefore, total power consumption is approximately 25 Watts.

Communication Ports

The IS215UCVGH1A features two Ethernet ports for networking. Both ports are 10BaseT/100BaseTX with RJ-45 connectors. The first Ethernet port (LAN1) connects to the UDH network. This supports configuration and peer-to-peer communication between controllers. The second Ethernet port (LAN2) uses a separate IP logical subnet.

Ethernet Ports on the IS215UCVGH1A:

• LAN1: UDH connectivity, configuration, peer-to-peer

• LAN2: Modbus or private EGD network

• Speed: 10/100 Mbit/s auto-negotiation

• Connector: RJ-45 shielded

• Configuration: Via Toolbox software

The IS215UCVGH1A also includes two RS-232C serial ports. COM1 is intended for initial system setup. COM2 supports communication with distributed control systems (DCS). For instance, it can act as a Modbus slave device. Both ports use standard 9-pin D-sub connectors.

Front Panel Interfaces

The IS215UCVGH1A has a comprehensive front faceplate arrangement. A reset switch allows manual board restart when needed. An SVGA monitor port supports direct video output. A keyboard and mouse port accepts PS/2 style connectors. Additionally, two USB connectors provide modern peripheral support.

Front Panel Features of the IS215UCVGH1A:

• Reset Switch: Manual board restart

• SVGA Port: Direct video output

• Keyboard/Mouse: PS/2 combo connector

• COM Ports: Two (labeled 1 and 2)

• USB Ports: Two individual connectors

• Ethernet Ports: Two stacked (LAN1 and LAN2)

The IS215UCVGH1A includes four LED indicators on the faceplate. These LEDs show power, status, and communication activity. A faceplate opening allows access to internal components. The board contains standoffs for adding auxiliary hardware. Several auxiliary boards can populate the available space.

Physical Characteristics

The IS215UCVGH1A follows the 6U VME form factor standard. Board height is 2.8 cm (approximately 6U). Width is 8.6 cm for a single slot. The board mounts into any VME rack backplane. Shipping weight including packaging is approximately 2.3 kg.

• Form Factor: 6U VME single slot

• Board Height: 2.8 cm (1.1 inches)

• Board Width: 8.6 cm (3.4 inches)

• Board Depth: Standard 160 mm (6.3 inches)

• Weight: 0.45 kg (1 lb) net, 2.3 kg gross

• Mounting: VME rack backplane

The IS215UCVGH1A has a single backplane connector. This connects to the VME bus for I/O communication. The board does not require any special cooling beyond rack ventilation. However, maintain clearance around the faceplate for airflow.

VME Bus Integration

The IS215UCVGH1A communicates with I/O boards through the VME bus. This is the standard Versa Modular Euro architecture. The controller hosts a family of 6U high single-board computers. Some board types also support local I/O via PMC daughterboards. The VME bus provides high-speed deterministic data exchange.

VME Bus Features of the IS215UCVGH1A:

• Bus Type: VME64 compliant

• Slot Type: Single slot controller

• I/O Access: Via VME backplane

• PMC Support: Optional on some variants

• Data Transfer: High-speed parallel bus

• Arbitration: System controller capable

The IS215UCVGH1A validates its toolbox configuration at each power-up. Specifically, it checks the configuration against existing hardware. Any mismatch generates an error indication. Therefore, always verify hardware settings before applying power.

Software and Configuration

The IS215UCVGH1A runs the QNX real-time operating system. QNX is designed for high-speed, high-reliability industrial applications. It supports multitasking for complex control strategies. The controller loads application-specific software via the Control System Toolbox. The toolbox is also known as simply “Toolbox” in GE documentation.

Software Specifications for the IS215UCVGH1A:

• Operating System: QNX real-time OS

• Configuration Tool: Control System Toolbox

• Application Loading: Via Ethernet or serial

• Peer-to-Peer: UDH network using LAN1

• Modbus Support: COM2 port or LAN2

• EGD Support: Ethernet Global Data on LAN2

The second Ethernet port on the IS215UCVGH1A is configured through Toolbox. It can operate as a Modbus TCP server or client. Alternatively, it can run a private EGD (Ethernet Global Data) network. This flexibility allows integration with many third-party devices.

Environmental Specifications

The IS215UCVGH1A operates in standard industrial control rooms. The temperature range is 0 to 70 degrees Celsius. This suits most turbine control environments. Humidity tolerance is typical for VME equipment. The board does not require forced air cooling but benefits from it.

• Operating Temperature: 0°C to 70°C (32°F to 158°F)

• Storage Temperature: -40°C to 85°C typical

• Humidity: 5% to 95% non-condensing

• Cooling: Convection with rack ventilation

• Vibration: Standard for VME rack equipment

• Altitude: 0 to 2000 meters without derating

The IS215UCVGH1A uses an ultra-low voltage processor. Consequently, it generates less heat than standard processors. This improves reliability in sealed cabinets. The Intel Celeron 650 MHz ULV is optimized for embedded applications.

Mark VI System Compatibility

The IS215UCVGH1A is fully compatible with the Mark VI Speedtronic system. It can replace any previous UCV controller directly. No backplane upgrade is required for this replacement. The board works with all Mark VI I/O modules. Furthermore, it supports the full range of turbine control applications.

Compatible Systems for the IS215UCVGH1A:

• Mark VI Speedtronic: Complete family compatibility

• EX2100 Excitation: Via VME backplane

• HMI: Workstation with CIMPLICITY

• UDH Network: Peer-to-peer with other UCVs

• I/O Boards: All Mark VI VME modules

The IS215UCVGH1A is not compatible with Mark V or Mark VLe systems. It is specifically designed for the Mark VI platform. However, a full system upgrade from Mark V to Mark VI would include this board. Always verify system compatibility before ordering.

Replacement Guidelines

The IS215UCVGH1A directly replaces IS215UCVGH1 and IS215UCVGH1B. It also replaces older UCV board variants. The replacement process is straightforward. Simply remove the old board and insert the IS215UCVGH1A. Then restore the configuration from backup files.

Replacement Steps for the IS215UCVGH1A:

• Power Down: De-energize the VME rack

• Remove Old Board: Extract from backplane

• Insert New Board: Seat firmly in same slot

• Restore Configuration: Via Toolbox software

• Verify Operation: Check LEDs and communication

Before replacement, save the existing controller configuration. After installing the IS215UCVGH1A, reload this configuration. The controller validates the configuration at next power-up. No firmware upgrade is typically required for replacement.

Auxiliary Hardware

The IS215UCVGH1A includes standoffs for adding auxiliary components. Several auxiliary boards can populate the front area. These may include PMC mezzanine cards for additional I/O. The faceplate opening allows access to these add-on boards. Consequently, the controller can be customized for specific applications.

• Standoffs: Pre-installed for auxiliary boards

• PMC Support: PCI Mezzanine Card compatible

• Auxiliary Boards: Several types available

• Installation: Simple plug-in mounting

• Faceplate: Opening for access to add-ons

Refer to GE manual GEH-6421V for auxiliary board options. The IS215UCVGH1A manual GEI-100603A also provides details. Contact technical support for specific customization requirements.

Installation Guidelines

Mount the IS215UCVGH1A into any standard VME rack slot. Align the board with the backplane guides carefully. Push firmly until the connectors seat completely. Secure the front panel with the retaining screws. Finally, connect all required cables to the faceplate ports.

Key Installation Points for the IS215UCVGH1A:

• Rack Type: VME standard (6U)

• Slot Position: Any VME slot, typically primary processor slot

• Grounding: Rack ground must be connected

• Ventilation: Ensure airflow around the board

• Cable Management: Route cables away from ventilation holes

For redundant configurations, install two IS215UCVGH1A controllers. One acts as primary while the other synchronizes as backup. The UDH network handles the synchronization automatically. This provides bumpless transfer in case of primary failure.

Package Contents

Your purchase of the IS215UCVGH1A includes:

• (1) GE Mark VI UCVG Controller – IS215UCVGH1A

• (1) Anti-static protective packaging

• (1) Product identification label (pre-installed)

Frequently Asked Questions (FAQ)

Q: Can the IS215UCVGH1A replace older UCV controllers directly?
A: Yes, the IS215UCVGH1A directly replaces any previous UCV controller. No backplane upgrade is required for this replacement.

Q: What operating system does the IS215UCVGH1A run?
A: The IS215UCVGH1A runs the QNX real-time operating system. This OS is designed for high-speed industrial control applications.

Q: How much memory does the IS215UCVGH1A have?
A: The IS215UCVGH1A includes 128MB of flash memory and 128MB of SDRAM. This provides ample capacity for turbine control applications.

Q: What is the purpose of the second Ethernet port on the IS215UCVGH1A?
A: The second Ethernet port on the IS215UCVGH1A supports Modbus or private EGD networks. It operates on a separate IP logical subnet.

Q: Is the IS215UCVGH1A compatible with the EX2100 excitation system?
A: Yes, the IS215UCVGH1A works with GE’s EX2100 excitation system. Communication occurs through the VME backplane in the same rack.