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Product Overview
The IS200VCMIH2BCC is a bus master controller board developed by GE (General Electric) for the Mark VI turbine control system. It acts as the central communication interface between the controller, I/O boards, and external networks. Designed to ensure precise and high-speed data exchange, the VCMI board plays a crucial role in maintaining synchronized operation across system racks via VME and IONet protocols.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | IS200VCMIH2BCC |
| Series | Mark VI |
| Function | VME Bus Master & System Communication |
| Communication Ports | 3 x IONet 10Base2 (BNC), 1 x RS-232C |
| Ethernet Speed | 10 Mbps |
| Serial Port Baud Rate | 9600 |
| VME Block Transfer | Supported |
| Dual-Port Memory | 32 KB (32-bit) |
| SRAM | 256k x 32 |
| Flash Memory (VCMIH2BCC) | 512k x 8 |
| Power Supply Monitoring | +5V, +12V, +15V, +28V |
| Alarm Thresholds | 3.5% (Standard), 5.5% (28V Supplies) |
| PDM Diagnostics | Ground fault, over/under voltage, etc. |
| Dimensions | 193 x 160 x 43 mm |
| Weight | 0.45 kg |
Applications
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Gas and steam turbine control systems
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Industrial automation and energy sectors
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Synchronization of controller and I/O rack operations
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Power plant monitoring systems
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High-speed data acquisition and fault diagnostics
Key Advantages
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Centralized Control Communication: Acts as the VME bus master, ensuring reliable and fast data communication between all boards.
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IONet Integration: Facilitates seamless connectivity to external networks using three IONet ports.
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Comprehensive Diagnostics: Monitors multiple power supplies and diagnostic signals from the PDM for enhanced safety.
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Reliable Memory System: Incorporates dual-port memory, SRAM, and flash for secure and fast data processing.
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Efficient Bus Management: Manages board addressing and system configuration across the control system.
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Versatile Interface Options: Offers Ethernet, VME, and RS-232C interfaces to adapt to various system requirements.
Frequently Asked Questions (FAQ)
Q1: What is the primary function of IS200VCMIH2BCC?
A1: It functions as the VME Bus Master and primary communication interface within the Mark VI control system.
Q2: Which voltages are monitored on this board?
A2: It monitors +5V, +12V, +15V, and +28V internal power buses.
Q3: What are the alarm thresholds for voltage monitoring?
A3: 3.5% for most voltages; 5.5% for the +28V supply.
Q4: What type of memory is used for storage and processing?
A4: Dual-port memory (32 KB), SRAM (256k x 32), and Flash memory (512k x 8).
Q5: What is the purpose of the IONet ports?
A5: They provide Ethernet-based connectivity for system-level data communication.
Q6: How is the PDM connected to the board?
A6: Through connector J301 for diagnostics and monitoring.
Q7: What protocols does the board support for internal communication?
A7: VME bus block transfers and Ethernet communication.
Q8: Can this board communicate with external devices?
A8: Yes, via the RS-232C serial port at 9600 baud.
Q9: Is the board compatible with all Mark VI I/O racks?
A9: Yes, it is designed specifically for use in Mark VI systems.
Q10: Does the board handle board ID configuration?
A10: Yes, it manages board and terminal identification within the system rack.
Related GE Mark VI Series Models
| Model Number | Function | Memory Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| IS200VCMIH1BBA | VME Master Board | Flash, SRAM | 193 x 160 x 43 | 0.45 |
| IS200TBAIH1CBB | Analog I/O Terminal Board | N/A | 254 x 150 x 40 | 0.40 |
| IS200STCIH2AED | Thermocouple Input Board | N/A | 233 x 190 x 45 | 0.50 |
| IS200VAICH1CDC | Analog Input Board | Flash, SRAM | 200 x 160 x 45 | 0.48 |
| IS200TRLYH1B | Relay Output Terminal Board | N/A | 190 x 140 x 38 | 0.42 |
| IS200DTAOH1ADA | Analog Output Board | Flash, SRAM | 198 x 152 x 41 | 0.46 |
Popular GE Models
| Model Number | Function | Series | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| IS215VCMIH2C | VME Bus Master Controller | Mark VIe | 193 x 160 x 43 | 0.45 |
| IS200DSPXH1D | Digital Signal Processor Board | Mark VI | 215 x 140 x 42 | 0.50 |
| IS200TREGH1B | Trip Emergency Relay Board | Mark VI | 225 x 155 x 40 | 0.48 |
| IS220PDIOH1A | Discrete Input/Output Module | Mark VIe | 210 x 130 x 39 | 0.43 |
| IS200EGDMH1A | Exciter Ground Detector Module | Mark VI | 200 x 120 x 35 | 0.41 |
| IS230TNTCH1B | Thermocouple Input Terminal Board | Mark VIe | 220 x 140 x 42 | 0.44 |
