{"product_id":"ge-is220phrah1a-hart-enabled-analog-i-o-module","title":"GE IS220PHRAH1A HART Enabled Analog I\/O Module","description":"\u003ch2\u003eGE IS220PHRAH1A HART Enabled Analog I\/O Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for mixed analog signal acquisition and HART communication within Mark VIe Speedtronic networks, the \u003cstrong\u003eGE IS220PHRAH1A\u003c\/strong\u003e (\u003cstrong\u003eIS220PHRAH1A\u003c\/strong\u003e analog I\/O pack) provides direct electrical execution of 10 analog inputs and 2 analog outputs through a DC‑62 terminal‑board interface.\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\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eIS220PHRAH1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e8.26 cm high x 4.19 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003e-30 to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e12 total (10 AI, 2 AO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Span\u003c\/th\u003e\n\u003ctd\u003e4–20 mA, ±5 V (Ch 1–8), ±1 mA or 4–20 mA (Ch 9–10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eADC Resolution\u003c\/th\u003e\n\u003ctd\u003e16‑bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC Resolution\u003c\/th\u003e\n\u003ctd\u003e14‑bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScan Time\u003c\/th\u003e\n\u003ctd\u003e5 ms (200 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccuracy\u003c\/th\u003e\n\u003ctd\u003eBetter than 0.1 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNoise Suppression\u003c\/th\u003e\n\u003ctd\u003e3 Hz, 6 Hz, 12 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCMRR\u003c\/th\u003e\n\u003ctd\u003e60 dB at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Load\u003c\/th\u003e\n\u003ctd\u003e800 ohm (4–20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnology\u003c\/th\u003e\n\u003ctd\u003eSurface‑mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEthernet\u003c\/th\u003e\n\u003ctd\u003eDual RJ‑45 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eDC‑62 pin terminal‑board interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHART Channels\u003c\/th\u003e\n\u003ctd\u003e12 (10 AI, 2 AO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4–20 mA HART Loop Protocol Behavior\u003c\/h3\u003e\n\u003cp\u003eAs a GE Mark VIe analog pack, the PHRA implements bidirectional HART communication superimposed on standard 4–20 mA loops. Each modem handles six channels, and update latency scales with channel utilization. The pack maintains channel‑to‑channel isolation through burden‑resistor sensing and low‑pass filtering, ensuring stable analog measurement while preserving HART frequency components. The design prevents cross‑talk between adjacent loops and maintains deterministic timing for AMS data retrieval.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the PHRA pack be hot‑plugged?\u003c\/strong\u003e A: Yes. The pack includes soft‑start circuitry that limits inrush current, allowing power to be applied without disconnecting the cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the PHRA impose significant load on the terminal board?\u003c\/strong\u003e A: The pack senses voltage across burden resistors but does not materially increase terminal‑board loading beyond standard loop excitation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the pack maintain output accuracy?\u003c\/strong\u003e A: The current regulator loop tracks DAC command voltage, internal sourced current, and total loop current at the terminal board to detect deviations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the terminal board before attaching the PHRA pack to avoid connector strain.\u003c\/li\u003e\n\u003cli\u003eAdjust the mounting bracket so the DC‑62 connector experiences no lateral force.\u003c\/li\u003e\n\u003cli\u003eMaintain shield continuity for all analog wiring to reduce low‑frequency noise.\u003c\/li\u003e\n\u003cli\u003eRoute analog loops separately from high‑energy conductors.\u003c\/li\u003e\n\u003cli\u003eVerify correct Ethernet port assignment when dual networks are used (ENET1 typically routed to the R controller).\u003c\/li\u003e\n\u003cli\u003eConfirm burden‑resistor configuration on the terminal board before enabling current‑loop inputs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":48079471902910,"sku":"IS220PHRAH1A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-30_10-54-28_33b0977a-c774-45e2-b8cf-41e709627288.png?v=1782973213","url":"https:\/\/www.autooiltech.com\/products\/ge-is220phrah1a-hart-enabled-analog-i-o-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}