Description
Product Introduction (Anti-Template)
When your control system demands more communication bandwidth than standard boards can deliver, the H2 variant steps up with enhanced throughput for demanding applications. The IS200VCMIH2 is the high-throughput variant of the VCMI series, designed for applications requiring higher data communication performance than the H1 variant. This board handles the critical interface between processor modules, I/O modules, and the system communication bus with enhanced throughput.
What does the H2 variant deliver? The H2 offers higher communication throughput than the H1 variant, making it suitable for applications with more demanding data transfer requirements—such as systems with high I/O counts, fast control loops, or extensive data logging. The H2 variant retains the same pinout and mounting as the H1, making it a drop-in replacement with enhanced performance. This board is a drop-in replacement for the IS200VCMIH1B, with no software changes required.
Key Technical Specifications
| Parameter | Value / Detail |
|---|---|
| Manufacturer | General Electric (GE) |
| Part Number | IS200VCMIH2 |
| Series | Mark VIe Speedtronic |
| Function | VCMI Controller (Communication – High Throughput) |
| Nominal Voltage | 24V DC |
| Bus Interface | High-speed communication bus |
| Data Throughput | Higher than H1 variant |
| Variant | H2 (enhanced throughput) |
| Connector Type | 37-pin D-sub and backplane connectors |
| Mounting | Rack-mount |
| Operating Temp | 0 to 60°C (ambient) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Compatible Rack | Mark VIe IS200 series backplane |
Compatible Replacement Models
✅ Drop-in Replacement: IS200VCMIH1B — The H1 variant. Identical pinout, mounting, and software interface. The H2 has higher data throughput. No software changes required.
✅ Drop-in Replacement: IS200VCMIH1A — The ‘A’ revision H1 variant. Direct hardware match. The H2 offers higher throughput.
⚠️ Software Compatible: IS200VCCCH1B — Similar communication board. Verify compatibility with your system.
⚠️ Software Compatible: IS200UCVBG1A — Standard communication board. Verify compatibility.
❌ Hardware Incompatible: IS200TBQGH1A — Excitation termination board. Different application.
Frequently Asked Questions (FAQ)
Q: What’s the difference between the H1 and H2 variants of the VCMI series?
A: The H2 variant offers higher communication throughput than the H1 variant, making it suitable for applications with more demanding data transfer requirements—systems with high I/O counts, fast control loops, or extensive data logging.
Q: Can I replace a VCMIH1B board with a VCMIH2 without any changes?
A: Yes. The H2 is a drop-in replacement. No software changes, no wiring changes, no configuration changes.
Q: What applications require the H2 variant?
A: Applications with high data communication demands—systems with large I/O counts, fast control loops requiring rapid data exchange, extensive data logging, or multiple high-speed communication channels.
Q: Is the VCMIH2 hot-swappable?
A: We advise against hot-swapping communication controller boards. Interrupting the system bus while the system is live can cause communication errors. Power down the cabinet segment before swapping.
Q: What bench testing should I do before installing a VCMIH2?
A: Standard communication controller protocol. First, visual inspection. Second, verify continuity on backplane connectors. Third, power up and verify communication with other modules. Fourth, run diagnostic tests to verify enhanced data throughput.
Q: How do I verify I’m getting a genuine VCMIH2?
A: Check component markings against GE documentation. Weigh the board; should be about 352 grams. Look for the GE holographic security label.
Q: Where do I find the official documentation for the VCMIH2?
A: GE document GEI-100660 series covers the VCMI communication boards. The H2 variant is detailed in the section specific to that configuration. Always cross-reference against your system documentation.

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