Description
Product Introduction
The GE IS200EXMDG1APR1 is a Mark VIe series expansion master module with enhanced features and specific hardware configuration for Mark VIe expansion systems. This I/O pack enables master control functionality for expansion applications requiring enhanced control capability.
The APR1 suffix denotes a specific hardware configuration with unique master control features and diagnostic characteristics. In our field experience, this variant includes enhanced features over the APR version. For facilities requiring expansion master control with enhanced features, the EXMDAPR1 provides the necessary solution.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | IS200EXMDG1APR1 |
| Series | Mark VIe IS200 |
| Hardware Revision | APR1 (specific hardware configuration) |
| Function | Master control, expansion capability |
| Diagnostics | Enhanced master status monitoring |
| 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, 265 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
- Expansion master – provides enhanced master control capability for expansion systems.
- Specific hardware configuration – unique master features for demanding applications.
- Rigorous 48-hour burn-in – each unit runs under master control 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 IS200EXMDG1APR1 into a running Mark VIe system?
We strongly advise against it. The EXMDG1APR1 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 IS200EXMDG1APR and the IS200EXMDG1APR1?
The APR1 has enhanced features compared to the APR version. The exact differences vary by production batch. 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 APR1 revision. We have seen these units exceed 15 years in field service.

SCHNEISER 140DD035300
SCHNEISER 140DDI35300
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