GE IS200VCMIH1B IS200VCMIH1BCB
The GE IS200VCMI series is a Bus Master Controller (VCMI Communication Board) specifically designed for the Mark VI control system. It enables high-speed and reliable communication between I/O boards and the main controller. Both IS200VCMIH1B and IS200VCMIH1BCB belong to this series, with differences only in hardware configuration and functional details.
Key Technical Specifications
- Processor: Adopts Texas Instruments TMS320C32 DSP, featuring real-time signal processing capability.
- Power Supply: 125 V DC (some documents indicate 24 V DC, depending on the power adapter of the specific model).
- Operating Temperature: -40 °C ~ +70 °C (0 °C ~ 45 °C for some models), suitable for harsh industrial site environments.
- Humidity Range: 5% ~ 95% (non-condensing).
- Interfaces:Communication Features: Supports SIFT (Software Implemented Fault Tolerance) voting fault tolerance, watchdog timer, and power monitoring functions.
- The front panel is equipped with a 9-pin serial port, a DIN connector, and multiple groups of LED indicators (RUN, FAIL, STATUS, etc.).
- Two backplane connectors are used for VME backplane slots.
- Dimensions & Weight: Approximately 2 pounds (about 0.9 kg), compatible with standard VME racks (13-slot or 21-slot).
Product Features
- High Reliability: Hardware watchdog, power supply monitoring, and fault-tolerant voting mechanisms ensure continuous operation in critical power plants or industrial sites.
- Modular Design: Front-panel LEDs and a reset switch facilitate quick on-site diagnosis; the backplane supports plug-and-play and multi-rack expansion.
- Multi-Protocol Compatibility: Can communicate with upper-level systems or on-site devices via protocols such as RS-485, Modbus, Ethernet/IP, and Profibus (specific protocols depend on upper-level software configuration).
- Easy Maintenance: Front-panel LEDs intuitively display operating status and support remote diagnosis; the modular structure simplifies replacement or upgrading.
- Wide Application Range: Widely used in process control and turbine control systems in industries such as power generation, oil and gas, iron and steel, papermaking, and chemical engineering.
Structure & Composition
- Front Panel: LED indicators (RUN, FAIL, STATUS), reset switch, 9-pin serial port, two rows of module indicators (R, S, T), and a DIN connector.
- Main Circuit Board: DSP processor, parallel port, watchdog timer, power monitoring chip, and communication interface circuit.
- Backplane Connectors: Two groups of VME backplane slots for connecting to the high-speed data bus of the rack backplane.
Typical Application Fields
- Power plant turbine control (core component of the Mark VI IS200 series)
- Oil and gas production process automation
- Real-time monitoring of iron and steel, papermaking, and chemical production lines
- Distributed I/O networks for large-scale manufacturing and water treatment systems
Installation & Maintenance Points
- Installation Position: Insert the module into slot 1 (or the corresponding empty slot) of the VME rack, ensuring the backplane connector is aligned with the rack backplane.
- Power Connection: Confirm that the power supply voltage meets the module specifications (125 V DC or 24 V DC), and check power filtering and grounding.
- Wiring Inspection: Ensure the front-panel serial port, DIN connector, and backplane slots are firmly connected to avoid communication interruption caused by looseness.
- Status Indication: After power-on, observe the LED indicators. A green RUN light indicates normal operation, a red FAIL light indicates a fault, and a yellow STATUS light provides warning information.
- Regular Diagnosis: Use the diagnostic software provided by GE to read the internal status of the module (watchdog count, power monitoring value) and perform firmware upgrades if necessary.
- Replacement & Spare Parts: The module is small in size and light in weight, allowing for quick on-site replacement; it is recommended to prepare spare parts of the same model for hot backup or quick recovery.

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Frequently Asked Questions (FAQ)
Q1: When is the earliest you can ship the goods?
A1: Shipment will be arranged promptly upon receipt of your payment.
Q2: Do you have any overseas branches?
A2: While we don’t have overseas branches, our products are distributed to customers across the globe.
Q3: Are you a manufacturer or a trading company?
A3: We operate as a trading company.
Q4: Is technical support available from your side?
A4: Currently, we focus on hardware sales and do not provide technical support services.
Q5: Can you supply data sheets, documents, or technical literature?
A5: Data sheets will be included in the delivery package along with your ordered goods.
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