Overview
The General Electric IS200VCMIH1BCC, also cataloged as the IS200VCMIH1BCC VME Communication Interface Board, operates as a dedicated hardware component for VME bus control and IONet data communication within the GE Mark VI Speedtronic control platform.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200VCMIH1BCC |
| Brand | General Electric (GE) |
| Product Type | VME Communication Interface (VCMI) Board |
| Series | Mark VI Speedtronic Control System |
| Functional Role | VME Bus Master Controller and IONet Communication Interface |
| Board Format | 6U VME Board |
| Processor Architecture | Texas Instruments TMS320C32 Digital Signal Processor |
| SRAM Memory | 64 KB x 32 |
| Flash Memory | 128 KB x 8 |
| IONet Communication | 10Base2 Ethernet with BNC connectors, IEEE 802.3 compatible |
| Serial Interface | RS-232C male D-type connector, selectable 9600, 19200, and 38400 bps |
| Parallel Interface | 8-bit bidirectional parallel port, EPP Version 1.7 mode |
| Frame Rate | Simplex mode: 10 ms; TMR mode: 40 ms |
| Power Monitoring | Supervises 5 V, 12 V, 15 V, and 28 V supply buses |
| Diagnostics | RUN, FAIL, and STATUS front panel LED indicators |
| Coating | Conformal PCB coating |
| Mounting Method | VME rack installation |
| Origin | USA |
| Dimensions | 6U VME board format; exact mechanical dimensions not specified |
| Operating Temp | 0 deg C to 60 deg C |
Industrial Control Backplane Communication
The IS200VCMIH1BCC manages data exchange across the Mark VI VME backplane and coordinates communication between controller modules and connected I/O boards. Furthermore, the board provides IONet network access through dedicated Ethernet interfaces for distributed control data transfer.
The VCMI board supports GE industrial control architectures through deterministic backplane communication, firmware-based processing, and compatibility with redundant system configurations. In addition, it provides module identification, board status monitoring, and communication synchronization functions.
The board uses the VME bus structure to maintain communication velocity across installed control cards. Therefore, it supports coordinated I/O density scaling and firmware flash compatibility within the Mark VI hardware environment.
Frequently Asked Questions
Q: What is the primary communication function of the IS200VCMIH1BCC?
A: The IS200VCMIH1BCC functions as a VME Communication Interface Board that controls VME bus traffic and provides IONet communication connectivity within GE Mark VI systems.
Q: Does the IS200VCMIH1BCC support redundant control configurations?
A: Yes. The board supports simplex and TMR system configurations, with different communication frame rates for each operating mode.
Q: What diagnostic information does the front panel provide?
A: The front panel provides RUN, FAIL, and STATUS LED indicators to display module operating conditions and fault states.
Field Installation Guidelines
Install the IS200VCMIH1BCC only in the designated GE Mark VI VME rack slot according to the system hardware manual.
Verify that the VME backplane connector is clean and correctly aligned before insertion. Avoid applying mechanical force to the PCB assembly during installation.
Use proper grounding practices for the control rack chassis and maintain separation between communication cables and high-current power conductors.
Confirm IONet cable routing follows the recommended shielding and termination practices for 10Base2 Ethernet communication. Inspect connector conditions before system startup.
Before replacing the module, remove system power according to approved maintenance procedures. Verify firmware compatibility and rack configuration settings after installation.

















