Description
Product Introduction
The GE IS200EMIOH1ACA is a Mark VIe series I/O expansion module that provides additional I/O capacity for Mark VIe control systems with specific hardware configuration. This I/O pack enables expansion of system I/O capability, providing increased capacity for field device connectivity.
The ACA suffix denotes a specific hardware configuration with unique expansion features and diagnostic characteristics. In our field experience, the EMIO is used in applications requiring additional I/O capacity. For facilities requiring I/O expansion, the EMIO provides the necessary expansion solution.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | IS200EMIOH1ACA |
| Series | Mark VIe IS200 |
| Hardware Revision | ACA (specific hardware configuration) |
| Function | I/O expansion |
| Diagnostics | Expansion status monitoring, specific diagnostic features |
| Isolation | 500 V DC input-to-backplane |
| Operating Temperature | −30°C to +65°C (ambient, with 0.5 m/s airflow) |
| Power Supply | 24 V DC from backplane, 220 mA typical |
| Bus Interface | VME-based high-speed parallel bus |
| Firmware | Verify compatibility with ToolboxST/ToolboxEX versions ≥6.0 |
| LED Indicators | Module power, status, fault |
Key Selling Points & Differentiators
- I/O expansion – provides additional I/O capacity for control systems.
- Specific hardware configuration – unique expansion features for demanding applications.
- Rigorous 48-hour burn-in – each unit runs under I/O load across temperature cycling.
- 3-year warranty on hardware – backed by our in-house repair depot with average 48-hour turnaround.
Frequently Asked Questions (FAQ)
Can I hot-swap this IS200EMIOH1ACA into a running Mark VIe system?
We strongly advise against it. The EMIOH1ACA has shown unpredictable behavior when inserted into a powered backplane. Schedule a controlled outage, de-energize the rack, and swap it during planned maintenance.
What is the difference between the EMIO and other I/O expansion modules?
The EMIO provides specific I/O expansion features with this specific hardware configuration. We can provide specific details for your unit if you contact us with the serial number.
How do I verify this is a genuine GE module?
We source exclusively from GE-authorized liquidations. Our verification includes OEM packaging inspection, serial number cross-check against GE records, and PCB inspection for GE-specific markings.
What is the expected lifespan of this unit?
We see MTBF around 145,000 hours for the ACA revision. We have seen these units exceed 15 years in field service.

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