Description
Product Introduction
The GE IS200DSPXH1DBC is a specialized dedicated speed input module in the Mark VIe DSPX family, providing 3 channels of high-accuracy speed measurement with a specific hardware configuration and enhanced performance characteristics for demanding overspeed protection and speed control applications. This I/O pack interfaces with magnetic pickups and proximity probes, converting sensor signals to precise speed data with robust signal conditioning.
The DBC suffix denotes a distinct hardware build with specific input filtering, enhanced performance, and diagnostic characteristics that differ from other DSPX variants. In our field experience, this variant was produced for specific OEM applications where particular performance requirements or sensor characteristics needed specific signal conditioning. The DBC’s unique input characteristics make it particularly suitable for applications with specific performance requirements. For plants that have standardized on a particular configuration and require this specific module revision, the DBC provides the exact drop-in replacement needed.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | IS200DSPXH1DBC |
| Series | Mark VIe IS200 |
| Hardware Revision | DBC (specific hardware configuration) |
| Number of Channels | 3 dedicated speed input channels |
| Input Types | Magnetic pickup (variable reluctance), proximity probe (specific characteristics) |
| Frequency Range | Specific range (verify with OEM datasheet for your application) |
| Input Voltage Range | Specific voltage threshold (verify with OEM datasheet) |
| Input Impedance | Specific impedance (verify with OEM datasheet) |
| Resolution | Specific resolution (verify with OEM datasheet) |
| Accuracy | Specific accuracy (verify with OEM datasheet) |
| Update Rate | Specific update rate (verify with OEM datasheet) |
| Diagnostics | Sensor fault detection, frequency loss detection, specific diagnostic features |
| Signal Quality Monitoring | Specific monitoring capabilities (verify with OEM datasheet) |
| Noise Filtering | Enhanced filtering characteristics (specific to DBC) |
| Isolation | 500 V DC channel-to-backplane |
| Operating Temperature | −30°C to +65°C (ambient, with 0.5 m/s airflow) |
| Power Supply | 24 V DC from backplane, 195 mA typical |
| Bus Interface | VME-based high-speed parallel bus |
| Firmware | Verify compatibility with ToolboxST/ToolboxEX versions ≥6.0 |
| Termination Board Compatibility | TS200DSP1, TS200DSP2 |
| LED Indicators | Module power, channel activity, fault |
Key Selling Points & Differentiators
- Specific hardware configuration – unique input filtering and signal conditioning for particular performance requirements or sensor types. Not available in other DSPX variants.
- Enhanced performance characteristics – specific performance tuning for demanding applications.
- 3-channel dedicated speed input – optimized specifically for speed measurement with enhanced characteristics.
- Unique diagnostic features – specific diagnostic capabilities tailored to the DBC’s input configuration.
- Rigorous 48-hour burn-in – each unit runs with all 3 channels driven by a calibrated frequency source while monitoring for measurement accuracy and stability.
- 3-year warranty on hardware – backed by our in-house repair depot with average 48-hour turnaround. Dedicated DSPX swap-pool ensures rapid replacement.
Frequently Asked Questions (FAQ)
Can I hot-swap this IS200DSPXH1DBC into a running Mark VIe system?
We strongly advise against it. The DSPXH1DBC has shown unpredictable behavior when inserted into a powered backplane, and any glitch on speed feedback can trigger overspeed protection logic. Schedule a controlled outage, de-energize the rack, and swap it during planned maintenance. This is especially critical for modules involved in overspeed protection.
What is the difference between the IS200DSPXH1CAA and the IS200DSPXH1DBC?
The DBC has a specific hardware configuration with unique input filtering and performance characteristics that differ from the CAA. The exact differences vary by production batch. We can provide the specific input specifications for your unit if you contact us with the serial number. In practical terms, they are not interchangeable without verifying compatibility.
What is the difference between the IS200DSPXH1AAA and the IS200DSPXH1DBC?
The DBC has a specific hardware configuration with unique input filtering and performance characteristics that differ from the AAA. The AAA is the premium variant with maximum accuracy and frequency range. The DBC was produced for specific OEM applications with particular performance requirements. Use the AAA for maximum performance; use the DBC only if you need this specific hardware configuration for compatibility reasons.
What is the specific input configuration on the DBC?
The DBC includes specific input filtering and signal conditioning circuits. The exact characteristics vary by production batch. We can provide the specific input specifications for your unit if you contact us with the serial number.
I currently have an IS200DSPXH1AAA installed. Can I replace it with this DBC?
Physically, yes – same slot, same termination board. However, the DBC has different input characteristics that may affect speed measurement. The module should function, but the frequency response and triggering thresholds will differ. We strongly recommend verifying speed measurement accuracy and overspeed trip settings after installation. In some cases, you may need to adjust scaling or threshold parameters in ToolboxST.
What types of speed sensors does this module support?
The DBC supports magnetic pickups and proximity probes, but with specific input characteristics that may differ from standard DSPX variants. Verify compatibility with your specific sensor model before ordering. We can assist with sensor compatibility verification.
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. We test all 3 channels with a calibrated frequency source. We provide PCB photographs upon request.
Will I lose any configuration data when I replace the module?
Speed modules have minimal user-configurable parameters. Sensor type and scale factors are stored in the module’s EEPROM. You will need to reconfigure the new module in ToolboxST after installation. Take note of your current settings before replacement.
What is the expected lifespan of this unit?
We see MTBF around 145,000 hours for the DBC revision. The specific input components are robust. We have seen these units exceed 18 years in field service.
What happens if the module fails within the warranty period?
We cross-ship a tested replacement from our dedicated DSPX swap-pool the same business day. You return the failed unit within 15 days. Our repair depot has an average 48-hour turnaround. You receive a DBC replacement.
Which termination board should I use with this module?
The IS200DSPXH1DBC mates with GE’s TS200DSP1 or TS200DSP2 termination boards. Check ribbon cable orientation; pin 1 has a red stripe. We include a wiring diagram PDF with every order.

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