SPECIFICATIONS
Part No.: IS200VCMIH1CBA
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Board Type: 6U high VME board
Size: 0.787 inch wide
Processor: Texas Instruments TMS320C32
Dual-port memory: 32 Kbytes
SRAM: 64k x 32
Temperature: 0 to 60 oC
Product Type: Bus Master Controller Card
Availability: In Stock
Series: Mark VI
Functional Description
IS200VCMIH1CBA is a Bus Master Controller Card developed by GE. It is a part of Mark VI control system. The board utilizes IONet for data transmission between modules, a special-purpose Ethernet for Mark control I/O packs and controllers, employing the IEEE 1588 protocol. When installed in the Control Module, the card acts as the IONet bus master, communicating with slave stations via Ethernet 10Base2 network connections. Typically, each of the three control modules in a triple-redundant setup has a card installed. Data from these cards undergo voting before transmission to the main processor card for application execution.
Features
- The board serves as the primary communication interface, facilitating seamless data exchange between the controller and the I/O boards. This function is essential for ensuring that the controller can effectively manage and monitor all connected devices, responding to inputs and sending commands as necessary.
- In addition to its role within the control rack, the board also acts as the communication interface to the system control network known as IONet. This network enables inter-device communication, allowing multiple control systems and devices to exchange data in real time. The integration of IONet enhances the overall functionality and responsiveness of the control system, providing operators with the necessary information to make informed decisions.
- As the VME bus master in the control and I/O racks, the board takes on the responsibility of managing the data flow across the VME bus. This includes coordinating communications between various boards and ensuring that data is transmitted accurately and efficiently. By acting as the bus master, the VCMI can control access to the bus, preventing conflicts and ensuring smooth operation of the connected systems.
- A key function of the board is the management of identification (ID) numbers for all boards in the rack and their associated terminal boards. Each board requires a unique ID for proper communication and data management. Ensures that these IDs are correctly assigned and managed, enabling the controller to identify and interact with each board effectively.
- The board is designed with robust communication protocols to ensure data integrity and reliability. This is crucial in industrial environments where precise control and monitoring are necessary for safe and efficient operations. The board's architecture is optimized to minimize errors and provide fault tolerance, making it a reliable component of the control system.
- The design allows for scalability, meaning additional I/O boards can be integrated into the system as needed. This flexibility makes it suitable for a wide range of applications, from small control systems to large, complex industrial setups. The ability to expand the system without significant redesign enhances the overall adaptability of the control architecture.
Communication Features
- The Bus Master Controller Card is equipped with versatile communication features designed to facilitate effective data management and integration within industrial systems. This card is available in two versions, each offering distinct communication capabilities.
- The Communication H1 version of the card includes several key communication ports. It features an IONet Ethernet port that operates on the 10 Base2 Ethernet standard, using a BNC connector and supporting a data rate of 10 megabits per second. This setup is suitable for network configurations that require moderate data transfer speeds and ensures secure and reliable data transmission.
- In addition, the H1 version is equipped with an RS-232C serial port. This serial port uses a Male D style connector and supports data transmission speeds of 9600, 19,200, or 38,400 bits per second. This allows for flexible communication with various serial devices, facilitating easy integration into existing systems.
- The H1 version also includes an eight-bit bi-directional parallel port that operates in EPP (Enhanced Parallel Port) mode, according to Version 1.7 of IEEE 1284-1994. This parallel port supports both sending and receiving data, offering improved data transfer rates and enhanced functionality compared to older parallel port standards.
- The Communication H2 version of the card builds on the H1 version's capabilities with additional communication features. It includes three IONet Ethernet ports, each adhering to the 10 Base2 Ethernet standard and using BNC connectors. These ports support a data rate of 10 megabits per second, providing increased network connectivity and flexibility for more complex network setups.
- Like the H1 version, the H2 version features an RS-232C serial port with a Male D-style connector. This port supports the same speed options—9600, 19,200, or 38,400 bits per second—allowing for flexible and reliable serial communication.
- Additionally, the H2 version includes an eight-bit bi-directional parallel port operating in EPP mode, Version 1.7 of IEEE 1284-1994. This port supports high-speed data transfer and is compatible with a range of parallel devices, ensuring efficient data handling and integration.
Diagnostics
- Internal Power Supply Buses Monitoring: The module monitors the internal 5 V, 12 V, 15 V, and 28 V power supply buses. These buses are crucial for the operation of the system. Alarm settings for these power supply buses are configurable. Typically, the alarms are set at 3.5 percent deviation from the nominal voltage, ensuring early detection of potential issues. However, for the 28 V supplies, the alarm threshold is set at 5.5 percent, providing a slightly wider tolerance due to their critical role in powering certain components.
- Diagnostic Signals from Power Distribution Module (PDM): Connector J301 facilitates communication between the diagnostics module and the power distribution module (PDM).
- Diagnostic signals from the PDM include: Ground fault detection and over/under voltage monitoring on the P125 V bus. This ensures the integrity and stability of the primary power supply. Two differential 5V DC analog inputs, labeled as P28A and PCOM. These inputs are used for external monitoring circuits, providing additional insight into system health. Digital inputs, which can convey various status signals and alarms from the PDM, enhancing the diagnostic capabilities of the system.
The WOC team is always available to help you with your Mark VI requirements. For more information, please contact WOC.
Frequently Asked Questions
What is IS200VCMIH1CBA?
It is a bus master controller card developed by GE under the Mark VI series.
What protocol does the board use for communication?
It utilizes IONet, a specialized Ethernet protocol tailored for Mark control I/O packs and controllers. It employs the IEEE 1588 protocol for precise synchronization.
How does the VCMI card function in a control module?
When installed in a control module, the card acts as the IONet bus master, overseeing communication with slave stations via Ethernet 10Base2 network connections.
Why is redundancy important?
Redundancy ensures system reliability by providing backup communication paths. In a triple-redundant setup, each control module typically features its own VCMI card, enhancing fault tolerance.
How does the board ensure data integrity?
Data integrity is maintained through a voting mechanism where data exchanged between cards is compared and validated before transmission to the main processor card for application execution.
