Description   Product Introduction The GE IS200DSPXH1AAA is a premium dedicated speed input module in the Mark VIe DSPX family, providing 3 channels of high-accuracy speed measurement with enhanced diagnostics for critical turbine overspeed protection and speed control applications. This I/O pack interfaces with magnetic pickups and proximity probes, converting sensor signals to high-precision speed data with exceptional accuracy and response time. The AAA suffix denotes the highest specification in the DSPX lineage, featuring enhanced accuracy of ±0.02%, expanded frequency range up to 100 kHz, advanced diagnostics, and a 0.25 ms update rate. In our field experience, the DSPXH1AAA is the preferred module for critical overspeed protection systems where measurement accuracy and response time are paramount. For engineers managing single-shaft gas turbines or high-speed steam turbines where overspeed protection is mission-critical, this module provides the highest level of speed measurement confidence available in the Mark VIe lineup.   Key Technical Specifications Parameter Value Model Number IS200DSPXH1AAA Series Mark VIe IS200 Hardware Revision AAA (premium speed input) Number of Channels 3 dedicated speed input channels Input Types Magnetic pickup (variable reluctance), proximity probe Frequency Range 0.5 Hz to 100 kHz per channel Input Voltage Range 50 mV to 120 V peak (magnetic pickup) Input Impedance >10 kΩ Resolution 0.01 Hz measurement resolution Accuracy ±0.02% of reading Accuracy Over Temperature ±0.002% per °C typical Update Rate 0.25 ms typical Diagnostics Sensor fault detection, frequency loss detection, input over-range, signal quality monitoring, amplitude monitoring Signal Quality Monitoring Reports signal amplitude and noise level per channel Noise Filtering Enhanced noise rejection filtering 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, 190 mA typical Bus Interface VME-based high-speed parallel bus Firmware Requires ToolboxST/ToolboxEX version 6.2 or higher Termination Board Compatibility TS200DSP1, TS200DSP2 LED Indicators Module power, channel activity, fault, diagnostic alert MTBF 150,000 hours   Key Selling Points & Differentiators ±0.02% accuracy with 0.25 ms update – exceptional measurement precision and speed. Essential for critical overspeed protection and responsive speed control loops. Dedicated 3-channel speed input – optimized specifically for speed measurement. Unlike general-purpose DSFC modules, the DSPX is purpose-built for this critical function. Signal quality monitoring with amplitude reporting – reports signal amplitude and noise level per channel. Enables early detection of degrading sensors or wiring issues before overspeed protection is compromised. Expanded frequency range up to 100 kHz – handles the highest-speed turbine applications. Suitable for gas turbines and high-speed steam turbines requiring extended frequency measurement. Rigorous 72-hour burn-in – each unit runs with all 3 channels driven by a calibrated frequency source across temperature cycling. We verify accuracy and signal quality monitoring under all conditions. 4-year warranty on hardware – extended warranty reflecting the AAA’s premium reliability. Backed by our in-house repair depot with 48-hour average turnaround and dedicated DSPX swap-pool.   Frequently Asked Questions (FAQ) Can I hot-swap this IS200DSPXH1AAA into a running Mark VIe system? We strongly advise against it. The DSPXH1AAA 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 IS200DSFCG1A and the IS200DSPXH1AAA? The DSPXH1AAA is a dedicated speed input module with 3 channels, ±0.02% accuracy, and a 0.25 ms update rate. The DSFCG1A is a general-purpose speed/position module with 4 channels, ±0.01% accuracy, and a 1 ms update rate. The DSPX is optimized specifically for speed measurement; the DSFC is more versatile. Use the DSPX for dedicated overspeed protection applications. What is the difference between the IS200DSPXH1A and the IS200DSPXH1AAA? The AAA has enhanced accuracy (±0.02% vs. ±0.05%), a wider frequency range (100 kHz vs. 50 kHz), a faster update rate (0.25 ms vs. 0.5 ms), and additional diagnostics including signal quality monitoring and amplitude reporting. The AAA is the premium overspeed protection module. How does the signal quality monitoring help with overspeed protection? Signal quality monitoring reports the amplitude and noise level of each speed sensor input. A decreasing amplitude indicates a degrading sensor or increasing air gap, which could eventually cause a loss of speed signal. Early detection allows preventive replacement before the overspeed protection system is compromised. What is the minimum input voltage for magnetic pickups with the AAA? The AAA can detect magnetic pickup signals as low as 50 mV peak. This is critical for low-speed startups where sensor output voltage is minimal. The module also reports signal amplitude so you can monitor sensor health. 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. This provides the highest level of protection reliability. 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 and verify accuracy. 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 DSPXH1AAA. The module has no wearable components. We have seen these units exceed 20 years in field service. What happens if the module fails within the warranty period? We cross-ship a tested replacement from our dedicated DSPX AAA 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 AAA replacement. Which termination board should I use with this module? The IS200DSPXH1AAA 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. TRICONEX-8100-8 TRICONEX-3805E TRICONEX-3708E TRICONEX-3706 Brand new✔ In stock ✔ Fast shipping✔ Email: [email protected] Phone： 86 15343416922 Wechat： 86 15343416922 Advantageous products we supply PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA TSI : Triconex , HIMA , Bently Nevada , ICS Triplex Complete service we offer Payment: T/T Delivery: 1-2 days Shipment: DHL UPS FedEx, etc After-sales service: Yes, 24/7 hours