GE IS200DSPXH2B | Mark VIe Speed Input Module In Stock

Description

Product Introduction

The GE IS200DSPXH2B is a specialized dedicated speed input module in the Mark VIe DSPX family, providing 2 channels of high-accuracy speed measurement with a specific hardware configuration 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 H2B suffix denotes a specific hardware build with distinct input characteristics and configuration that differ from other DSPX variants. In our field experience, this 2-channel variant was produced for applications where only two speed sensors are required, offering a more cost-effective solution than the 3-channel versions. The B hardware configuration includes specific filtering and diagnostic characteristics optimized for particular OEM requirements. For plants requiring dual-channel speed measurement with specific performance characteristics, this module provides an efficient solution.

Key Technical Specifications

Key Selling Points & Differentiators

• 2-channel dedicated speed input – provides dual-channel speed measurement for applications where three sensors are not required. Reduces cost and rack space.
• Specific hardware configuration – unique input filtering and signal conditioning for particular performance requirements or sensor types.
• Enhanced diagnostic features – specific diagnostic capabilities tailored to the H2B’s input configuration.
• Rigorous 48-hour burn-in – each unit runs with both 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 IS200DSPXH2B into a running Mark VIe system?

We strongly advise against it. The DSPXH2B 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 IS200DSPXH1 series and the IS200DSPXH2B?

The IS200DSPXH1 series provides 3 channels of speed input. The IS200DSPXH2B provides 2 channels. The H2B is used in applications where only two speed sensors are required, offering a more cost-effective solution. The H2B’s input characteristics and filtering may also differ.

How many DSPX modules are typically used for overspeed protection?

Most turbine control applications use three DSPX modules with three separate speed sensors for triple-redundant overspeed protection. The controller votes on the three speed measurements and trips if any two indicate overspeed. The 2-channel H2B variant is typically used in redundant configurations or where one channel serves as a backup.

What is the specific input configuration on the H2B?

The H2B 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 H2B?

Physically, the modules are similar, but the channel count is different. The H2B has only 2 channels vs. 3 on the H1 series. Your application logic must be reconfigured to use only 2 speed inputs. This is not a drop-in replacement without software changes. We strongly recommend reviewing your application requirements before making this change.

What types of speed sensors does this module support?

The H2B 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 both 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 150,000 hours for the H2B revision. The module has no wearable components. 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 an H2B replacement.

Which termination board should I use with this module?

The IS200DSPXH2B 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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