{"product_id":"ge-is220ppras1a-proximity-input-i-o-pack","title":"GE IS220PPRAS1A Proximity Input I\/O Pack","description":"\u003ch2\u003eGE IS220PPRAS1A Proximity Input I\/O Pack\u003c\/h2\u003e\n\u003cp\u003eConfigured for proximity probe and Keyphasor signal acquisition in the GE Mark VIe turbine control system, the \u003cstrong\u003eGE IS220PPRAS1A\u003c\/strong\u003e (\u003cstrong\u003eIS220PPRAS1A\u003c\/strong\u003e Proximity Input I\/O Pack) provides direct physical\/electrical execution for shaft displacement, vibration, and speed measurement signals.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS220PPRAS1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eProximity Input I\/O Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eGE Mark VIe Turbine Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e2 proximity probe channels + 1 Keyphasor channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eEddy-current proximity probes, magnetic pickup or proximity Keyphasor sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Excitation\u003c\/td\u003e\n\u003ctd\u003e-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit ADC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffered Outputs\u003c\/td\u003e\n\u003ctd\u003eBNC connectors for external monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e2500 Vrms channel-to-backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e28 VDC nominal from Mark VIe backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Treatment\u003c\/td\u003e\n\u003ctd\u003eConformal coating, S1A revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, CSA, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Signal Processing and Rotor Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPRAS1A interfaces with eddy-current proximity probes for shaft displacement and vibration measurement. Probe calibration requires validation of gap voltage conditions, with approximately -10 VDC used as the nominal probe gap reference. The module processes dynamic vibration signals and Keyphasor timing signals for rotor speed and phase-related monitoring.\u003c\/p\u003e\n\u003cp\u003eSignal conditioning functions include input filtering, channel isolation, and buffered output routing. The 2500 Vrms isolation between channels and backplane reduces interference transfer during turbine control operation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What sensor types can be connected to the IS220PPRAS1A?\u003cbr\u003eA: The module supports eddy-current proximity probes for shaft measurement and magnetic pickup or proximity sensors for Keyphasor input signals.\u003c\/p\u003e\n\u003cp\u003eQ: Does the IS220PPRAS1A provide external monitoring outputs?\u003cbr\u003eA: Yes. Buffered outputs are available through BNC connectors for connection to external diagnostic equipment.\u003c\/p\u003e\n\u003cp\u003eQ: Is the module compatible with redundant Mark VIe configurations?\u003cbr\u003eA: The provided data specifies Mark VIe I\/O rack installation and does not define a specific redundancy configuration. System configuration must follow the Mark VIe hardware design requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the IS220PPRAS1A in the designated Mark VIe I\/O rack position and verify correct mechanical engagement with the rack connectors.\u003c\/p\u003e\n\u003cp\u003eConnect proximity probe and Keyphasor wiring according to the terminal assignment documentation. Sensor cable shields should be terminated according to site grounding practice to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eRoute vibration sensor cables separately from high-current power wiring and switching circuits. Verify probe polarity, excitation wiring, and signal reference connections before system startup.\u003c\/p\u003e\n\u003cp\u003ePerform probe gap calibration and confirm the expected gap voltage before enabling turbine monitoring functions. Configure channel parameters through the applicable Mark VIe engineering software.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44415673532504,"sku":"IS220PPRAS1A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/IS220PPRAS1A.jpg?v=1784708918","url":"https:\/\/www.industriaxplc.com\/ar\/products\/ge-is220ppras1a-proximity-input-i-o-pack","provider":"IndustriaX Limited","version":"1.0","type":"link"}