{"product_id":"ge-is220ppras1b-mark-vie-emergency-turbine-protection-module","title":"GE IS220PPRAS1B Mark VIe Emergency Turbine Protection Module","description":"\u003ch2\u003eGE IS220PPRAS1B Mark VIe Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for pulse rate data acquisition and overspeed protection in GE Mark VIe control loops, the \u003cstrong\u003eGeneral Electric IS220PPRAS1B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIS220PPRAS1B\u003c\/strong\u003e Emergency Turbine Protection (PPRA) I\/O Pack, provides direct physical\/electrical execution. It interfaces directly with speed sensors and proximity probes to deliver turbine monitoring metrics, phase reference signals, and real-time diagnostic outputs to the master controller via deterministic Ethernet links.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eIS220PPRAS1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e233 x 100 x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e28 VDC via backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEmergency Turbine Protection (PPRA) I\/O Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e2 magnetic pickup channels, 2 proximity probe channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003ePulse signals (0.5 to 32 V peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0.1 Hz to 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 microsecond timing accuracy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Reference\u003c\/td\u003e\n\u003ctd\u003e1 phase reference input channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC channel-to-system for 1 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eEthernet 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or panel mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Drive Attributes\u003c\/h3\u003e\n\u003cp\u003eThe IS220PPRAS1B operates within the Mark VIe control infrastructure, adhering strictly to backplane bus communication velocity guidelines. This architecture ensures deterministic network performance when routing frequency inputs to the dual-channel sub-systems. Signal data integrity is maintained across the high-density I\/O footprint via precise time-stamping mechanics, matching structural firmware flash compatibility constraints mandated by the host Mark VIe processing core.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module support hot-swap replacement under live control backplane conditions?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swap capability is dependent on the specific Mark VIe I\/O rack configuration and firmware revision level. The hardware must be unpowered at the local terminal or set to an inactive state in the controller software prior to physical extraction to prevent disruption of the redundant Ethernet network loops.\u003c\/p\u003e\n\u003cp\u003eQ: How is channel-to-channel cross-talk mitigated given the 20 kHz maximum frequency threshold?\u003c\/p\u003e\n\u003cp\u003eA: Cross-talk suppression and electrical isolation are handled internally by dedicated 1500 VAC isolation barriers per channel group, isolating input circuits from backplane logic and adjacent phase reference tracking paths.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum recommended cable length for the magnetic pickup inputs?\u003c\/p\u003e\n\u003cp\u003eA: Cable runs depend heavily on electromagnetic interference and conductor capacitance. Standard field practice dictates maintaining shielded twisted-pair routing under 300 meters, ensuring signal amplitude remains above the 0.5 V peak minimum threshold at the module terminals.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the hardware horizontally or vertically on standard 35 mm DIN-rails or dedicated panel backplates using designated chassis grounding clips.\u003c\/li\u003e\n\u003cli\u003eTerminate all instrumentation cables using individual shielded twisted-pair wiring. Strip shield jackets near the module terminal block and clamp them firmly to the structural ground busbar. Do not float the shield at both ends.\u003c\/li\u003e\n\u003cli\u003eSeparate low-voltage pulse input cables from high-voltage AC distribution lines or variable frequency drive outputs by at least 30 cm to prevent inductive noise injection.\u003c\/li\u003e\n\u003cli\u003eVerify the 28 VDC input distribution power at the backplane connectors matches specifications before engaging the module latch mechanism.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":44368501669987,"sku":"IS220PPRAS1B","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/82_051f179a-8d6c-41c6-a277-f42051b58544.jpg?v=1784279859","url":"https:\/\/www.autocontrolglobal.com\/products\/ge-is220ppras1b-mark-vie-emergency-turbine-protection-module","provider":"AutoControl Global","version":"1.0","type":"link"}